./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-96.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-96.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX --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 a853c07cdb9387b63b93be13a2dc9697d60053474c0652611eb00fce1c18c0e9 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 17:40:53,050 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 17:40:53,143 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-08 17:40:53,150 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 17:40:53,153 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 17:40:53,192 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 17:40:53,194 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 17:40:53,194 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 17:40:53,195 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 17:40:53,197 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 17:40:53,198 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 17:40:53,198 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 17:40:53,199 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 17:40:53,199 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 17:40:53,200 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 17:40:53,203 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 17:40:53,204 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 17:40:53,204 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 17:40:53,204 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 17:40:53,205 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 17:40:53,205 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 17:40:53,207 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 17:40:53,207 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 17:40:53,207 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 17:40:53,208 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 17:40:53,208 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 17:40:53,208 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 17:40:53,208 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 17:40:53,209 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 17:40:53,209 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 17:40:53,210 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 17:40:53,211 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 17:40:53,211 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:40:53,228 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 17:40:53,229 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 17:40:53,229 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 17:40:53,230 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 17:40:53,230 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 17:40:53,230 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 17:40:53,231 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 17:40:53,231 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 17:40:53,231 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 17:40:53,232 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_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a853c07cdb9387b63b93be13a2dc9697d60053474c0652611eb00fce1c18c0e9 [2024-11-08 17:40:53,567 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 17:40:53,598 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 17:40:53,601 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 17:40:53,603 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 17:40:53,603 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 17:40:53,605 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-96.i Unable to find full path for "g++" [2024-11-08 17:40:55,767 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 17:40:56,008 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 17:40:56,009 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-96.i [2024-11-08 17:40:56,027 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/data/4c7b96072/9408a21f2f28414cbe1bb537747dc256/FLAG9e534c6cd [2024-11-08 17:40:56,355 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/data/4c7b96072/9408a21f2f28414cbe1bb537747dc256 [2024-11-08 17:40:56,358 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 17:40:56,359 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 17:40:56,361 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 17:40:56,361 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 17:40:56,367 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 17:40:56,368 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:40:56" (1/1) ... [2024-11-08 17:40:56,370 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28c2c847 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:40:56, skipping insertion in model container [2024-11-08 17:40:56,370 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:40:56" (1/1) ... [2024-11-08 17:40:56,412 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 17:40:56,591 WARN L250 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_709aa6bc-1b18-460a-ba0a-d71adf5cb849/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-96.i[916,929] [2024-11-08 17:40:56,699 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:40:56,717 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 17:40:56,734 WARN L250 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_709aa6bc-1b18-460a-ba0a-d71adf5cb849/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-96.i[916,929] [2024-11-08 17:40:56,793 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:40:56,825 INFO L204 MainTranslator]: Completed translation [2024-11-08 17:40:56,826 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:40:56 WrapperNode [2024-11-08 17:40:56,826 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 17:40:56,827 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 17:40:56,828 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 17:40:56,828 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 17:40:56,837 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:40:56" (1/1) ... [2024-11-08 17:40:56,851 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:40:56" (1/1) ... [2024-11-08 17:40:56,903 INFO L138 Inliner]: procedures = 29, calls = 169, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 519 [2024-11-08 17:40:56,904 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 17:40:56,905 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 17:40:56,905 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 17:40:56,905 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 17:40:56,919 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:40:56" (1/1) ... [2024-11-08 17:40:56,919 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:40:56" (1/1) ... [2024-11-08 17:40:56,934 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:40:56" (1/1) ... [2024-11-08 17:40:56,967 INFO L175 MemorySlicer]: Split 127 memory accesses to 16 slices as follows [2, 15, 6, 14, 12, 6, 8, 6, 6, 5, 10, 10, 15, 3, 3, 6]. 12 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]. The 18 writes are split as follows [0, 2, 1, 1, 1, 2, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1]. [2024-11-08 17:40:56,968 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:40:56" (1/1) ... [2024-11-08 17:40:56,968 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:40:56" (1/1) ... [2024-11-08 17:40:56,994 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:40:56" (1/1) ... [2024-11-08 17:40:57,004 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:40:56" (1/1) ... [2024-11-08 17:40:57,014 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:40:56" (1/1) ... [2024-11-08 17:40:57,018 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:40:56" (1/1) ... [2024-11-08 17:40:57,026 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 17:40:57,027 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 17:40:57,027 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 17:40:57,028 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 17:40:57,029 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:40:56" (1/1) ... [2024-11-08 17:40:57,036 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:40:57,049 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:40:57,064 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 17:40:57,072 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 17:40:57,108 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 17:40:57,108 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2024-11-08 17:40:57,108 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2024-11-08 17:40:57,109 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2024-11-08 17:40:57,109 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2024-11-08 17:40:57,109 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2024-11-08 17:40:57,109 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2024-11-08 17:40:57,109 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2024-11-08 17:40:57,109 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#7 [2024-11-08 17:40:57,110 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#8 [2024-11-08 17:40:57,110 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#9 [2024-11-08 17:40:57,110 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#10 [2024-11-08 17:40:57,110 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#11 [2024-11-08 17:40:57,112 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#12 [2024-11-08 17:40:57,112 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#13 [2024-11-08 17:40:57,112 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#14 [2024-11-08 17:40:57,113 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#15 [2024-11-08 17:40:57,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-08 17:40:57,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-08 17:40:57,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-08 17:40:57,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-08 17:40:57,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-08 17:40:57,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-08 17:40:57,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-08 17:40:57,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-08 17:40:57,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-08 17:40:57,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-08 17:40:57,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-08 17:40:57,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-08 17:40:57,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-08 17:40:57,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-08 17:40:57,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-08 17:40:57,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-08 17:40:57,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2024-11-08 17:40:57,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2024-11-08 17:40:57,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2024-11-08 17:40:57,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2024-11-08 17:40:57,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2024-11-08 17:40:57,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2024-11-08 17:40:57,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#6 [2024-11-08 17:40:57,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#7 [2024-11-08 17:40:57,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#8 [2024-11-08 17:40:57,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#9 [2024-11-08 17:40:57,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#10 [2024-11-08 17:40:57,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#11 [2024-11-08 17:40:57,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#12 [2024-11-08 17:40:57,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#13 [2024-11-08 17:40:57,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#14 [2024-11-08 17:40:57,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#15 [2024-11-08 17:40:57,123 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-08 17:40:57,123 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-08 17:40:57,124 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-08 17:40:57,124 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-08 17:40:57,124 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-08 17:40:57,124 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-08 17:40:57,124 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-08 17:40:57,124 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-08 17:40:57,125 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-08 17:40:57,125 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-08 17:40:57,125 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-08 17:40:57,125 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-08 17:40:57,125 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-08 17:40:57,125 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-08 17:40:57,125 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-08 17:40:57,126 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-08 17:40:57,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2024-11-08 17:40:57,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2024-11-08 17:40:57,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2024-11-08 17:40:57,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#3 [2024-11-08 17:40:57,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#4 [2024-11-08 17:40:57,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#5 [2024-11-08 17:40:57,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#6 [2024-11-08 17:40:57,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#7 [2024-11-08 17:40:57,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#8 [2024-11-08 17:40:57,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#9 [2024-11-08 17:40:57,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#10 [2024-11-08 17:40:57,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#11 [2024-11-08 17:40:57,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#12 [2024-11-08 17:40:57,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#13 [2024-11-08 17:40:57,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#14 [2024-11-08 17:40:57,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#15 [2024-11-08 17:40:57,131 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 17:40:57,131 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 17:40:57,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 17:40:57,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-08 17:40:57,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-08 17:40:57,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-08 17:40:57,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-08 17:40:57,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-08 17:40:57,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-08 17:40:57,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-08 17:40:57,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-08 17:40:57,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-08 17:40:57,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-08 17:40:57,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-08 17:40:57,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-08 17:40:57,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-08 17:40:57,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-08 17:40:57,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-08 17:40:57,134 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 17:40:57,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 17:40:57,480 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 17:40:57,483 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 17:40:58,184 INFO L? ?]: Removed 113 outVars from TransFormulas that were not future-live. [2024-11-08 17:40:58,184 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 17:40:58,206 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 17:40:58,206 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 17:40:58,207 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:40:58 BoogieIcfgContainer [2024-11-08 17:40:58,207 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 17:40:58,210 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 17:40:58,210 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 17:40:58,214 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 17:40:58,214 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 05:40:56" (1/3) ... [2024-11-08 17:40:58,215 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38b98eb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:40:58, skipping insertion in model container [2024-11-08 17:40:58,216 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:40:56" (2/3) ... [2024-11-08 17:40:58,216 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38b98eb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:40:58, skipping insertion in model container [2024-11-08 17:40:58,216 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:40:58" (3/3) ... [2024-11-08 17:40:58,218 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-p_file-96.i [2024-11-08 17:40:58,235 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 17:40:58,235 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 17:40:58,320 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 17:40:58,328 INFO L333 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, 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;@1d339414, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 17:40:58,328 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 17:40:58,333 INFO L276 IsEmpty]: Start isEmpty. Operand has 108 states, 89 states have (on average 1.4269662921348314) internal successors, (127), 90 states have internal predecessors, (127), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-08 17:40:58,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-08 17:40:58,350 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:40:58,351 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:40:58,352 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:40:58,359 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:40:58,359 INFO L85 PathProgramCache]: Analyzing trace with hash 864937929, now seen corresponding path program 1 times [2024-11-08 17:40:58,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:40:58,370 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [198465703] [2024-11-08 17:40:58,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:40:58,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:40:58,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:40:58,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 17:40:58,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:40:58,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 17:40:58,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:40:58,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 17:40:58,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:40:58,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 17:40:58,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:40:58,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 17:40:58,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:40:58,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 17:40:58,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:40:58,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 17:40:58,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:40:58,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 17:40:58,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:40:58,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 17:40:58,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:40:58,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 17:40:58,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:40:58,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 17:40:58,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:40:58,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 17:40:58,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:40:58,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-08 17:40:58,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:40:58,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 17:40:58,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:40:58,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 17:40:58,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:40:59,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 17:40:59,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:40:59,015 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-08 17:40:59,017 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:40:59,017 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [198465703] [2024-11-08 17:40:59,018 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [198465703] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:40:59,018 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:40:59,019 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 17:40:59,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [982773677] [2024-11-08 17:40:59,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:40:59,029 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 17:40:59,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:40:59,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 17:40:59,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 17:40:59,058 INFO L87 Difference]: Start difference. First operand has 108 states, 89 states have (on average 1.4269662921348314) internal successors, (127), 90 states have internal predecessors, (127), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-08 17:40:59,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:40:59,093 INFO L93 Difference]: Finished difference Result 209 states and 328 transitions. [2024-11-08 17:40:59,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 17:40:59,097 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) Word has length 131 [2024-11-08 17:40:59,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:40:59,111 INFO L225 Difference]: With dead ends: 209 [2024-11-08 17:40:59,111 INFO L226 Difference]: Without dead ends: 104 [2024-11-08 17:40:59,116 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 17:40:59,124 INFO L432 NwaCegarLoop]: 152 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 17:40:59,125 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 152 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 17:40:59,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2024-11-08 17:40:59,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2024-11-08 17:40:59,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 86 states have (on average 1.3953488372093024) internal successors, (120), 86 states have internal predecessors, (120), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-08 17:40:59,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 152 transitions. [2024-11-08 17:40:59,191 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 152 transitions. Word has length 131 [2024-11-08 17:40:59,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:40:59,193 INFO L471 AbstractCegarLoop]: Abstraction has 104 states and 152 transitions. [2024-11-08 17:40:59,194 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-08 17:40:59,194 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 152 transitions. [2024-11-08 17:40:59,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-08 17:40:59,201 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:40:59,202 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:40:59,202 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 17:40:59,203 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:40:59,203 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:40:59,204 INFO L85 PathProgramCache]: Analyzing trace with hash 1032802925, now seen corresponding path program 1 times [2024-11-08 17:40:59,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:40:59,205 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168953707] [2024-11-08 17:40:59,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:40:59,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:40:59,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:40:59,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 17:40:59,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:40:59,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 17:40:59,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:40:59,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 17:40:59,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:40:59,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 17:40:59,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:40:59,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 17:40:59,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:40:59,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 17:40:59,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:40:59,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 17:40:59,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:40:59,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 17:40:59,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:40:59,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 17:40:59,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:40:59,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 17:40:59,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:40:59,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 17:40:59,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:40:59,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 17:40:59,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:40:59,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-08 17:40:59,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:40:59,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 17:40:59,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:40:59,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 17:40:59,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:40:59,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 17:40:59,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:40:59,728 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-08 17:40:59,731 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:40:59,732 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1168953707] [2024-11-08 17:40:59,732 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1168953707] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:40:59,732 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:40:59,732 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 17:40:59,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1403575470] [2024-11-08 17:40:59,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:40:59,736 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 17:40:59,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:40:59,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 17:40:59,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 17:40:59,740 INFO L87 Difference]: Start difference. First operand 104 states and 152 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-08 17:40:59,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:40:59,813 INFO L93 Difference]: Finished difference Result 208 states and 305 transitions. [2024-11-08 17:40:59,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 17:40:59,817 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 131 [2024-11-08 17:40:59,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:40:59,819 INFO L225 Difference]: With dead ends: 208 [2024-11-08 17:40:59,820 INFO L226 Difference]: Without dead ends: 107 [2024-11-08 17:40:59,823 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 17:40:59,825 INFO L432 NwaCegarLoop]: 149 mSDtfsCounter, 1 mSDsluCounter, 287 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 436 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 17:40:59,826 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 436 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 17:40:59,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2024-11-08 17:40:59,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 106. [2024-11-08 17:40:59,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 88 states have (on average 1.3863636363636365) internal successors, (122), 88 states have internal predecessors, (122), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-08 17:40:59,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 154 transitions. [2024-11-08 17:40:59,846 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 154 transitions. Word has length 131 [2024-11-08 17:40:59,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:40:59,848 INFO L471 AbstractCegarLoop]: Abstraction has 106 states and 154 transitions. [2024-11-08 17:40:59,849 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-08 17:40:59,849 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 154 transitions. [2024-11-08 17:40:59,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-08 17:40:59,853 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:40:59,853 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:40:59,853 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 17:40:59,854 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:40:59,854 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:40:59,854 INFO L85 PathProgramCache]: Analyzing trace with hash 1712861295, now seen corresponding path program 1 times [2024-11-08 17:40:59,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:40:59,855 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1276044432] [2024-11-08 17:40:59,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:40:59,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:40:59,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:00,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 17:41:00,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:00,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 17:41:00,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:00,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 17:41:00,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:00,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 17:41:00,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:00,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 17:41:00,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:00,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 17:41:00,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:00,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 17:41:00,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:00,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 17:41:00,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:00,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 17:41:00,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:00,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 17:41:00,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:00,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 17:41:00,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:00,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 17:41:00,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:00,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-08 17:41:00,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:00,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 17:41:00,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:00,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 17:41:00,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:00,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 17:41:00,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:00,201 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-08 17:41:00,201 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:41:00,203 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1276044432] [2024-11-08 17:41:00,203 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1276044432] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:41:00,203 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:41:00,204 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 17:41:00,204 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1398691710] [2024-11-08 17:41:00,204 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:41:00,205 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 17:41:00,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:41:00,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 17:41:00,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 17:41:00,208 INFO L87 Difference]: Start difference. First operand 106 states and 154 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-08 17:41:00,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:41:00,281 INFO L93 Difference]: Finished difference Result 212 states and 309 transitions. [2024-11-08 17:41:00,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 17:41:00,282 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 131 [2024-11-08 17:41:00,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:41:00,287 INFO L225 Difference]: With dead ends: 212 [2024-11-08 17:41:00,287 INFO L226 Difference]: Without dead ends: 109 [2024-11-08 17:41:00,288 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 17:41:00,289 INFO L432 NwaCegarLoop]: 149 mSDtfsCounter, 1 mSDsluCounter, 288 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 437 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 17:41:00,291 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 437 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 17:41:00,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2024-11-08 17:41:00,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 108. [2024-11-08 17:41:00,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 90 states have (on average 1.3777777777777778) internal successors, (124), 90 states have internal predecessors, (124), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-08 17:41:00,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 156 transitions. [2024-11-08 17:41:00,310 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 156 transitions. Word has length 131 [2024-11-08 17:41:00,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:41:00,311 INFO L471 AbstractCegarLoop]: Abstraction has 108 states and 156 transitions. [2024-11-08 17:41:00,311 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-08 17:41:00,312 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 156 transitions. [2024-11-08 17:41:00,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-08 17:41:00,314 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:41:00,314 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:41:00,315 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-08 17:41:00,315 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:41:00,315 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:41:00,316 INFO L85 PathProgramCache]: Analyzing trace with hash -807098639, now seen corresponding path program 1 times [2024-11-08 17:41:00,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:41:00,316 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [643916440] [2024-11-08 17:41:00,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:41:00,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:41:00,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:00,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 17:41:00,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:00,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 17:41:00,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:00,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 17:41:00,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:00,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 17:41:00,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:00,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 17:41:00,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:00,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 17:41:00,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:00,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 17:41:00,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:00,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 17:41:00,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:00,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 17:41:00,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:00,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 17:41:00,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:00,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 17:41:00,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:00,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 17:41:00,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:00,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-08 17:41:00,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:00,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 17:41:00,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:00,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 17:41:00,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:00,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 17:41:00,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:00,613 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-08 17:41:00,614 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:41:00,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [643916440] [2024-11-08 17:41:00,614 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [643916440] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:41:00,614 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:41:00,615 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 17:41:00,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [400772024] [2024-11-08 17:41:00,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:41:00,617 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 17:41:00,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:41:00,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 17:41:00,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 17:41:00,623 INFO L87 Difference]: Start difference. First operand 108 states and 156 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-08 17:41:00,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:41:00,667 INFO L93 Difference]: Finished difference Result 216 states and 313 transitions. [2024-11-08 17:41:00,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 17:41:00,668 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 131 [2024-11-08 17:41:00,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:41:00,670 INFO L225 Difference]: With dead ends: 216 [2024-11-08 17:41:00,673 INFO L226 Difference]: Without dead ends: 111 [2024-11-08 17:41:00,674 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 17:41:00,676 INFO L432 NwaCegarLoop]: 149 mSDtfsCounter, 1 mSDsluCounter, 290 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 439 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 [2024-11-08 17:41:00,680 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 439 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 17:41:00,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2024-11-08 17:41:00,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 110. [2024-11-08 17:41:00,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 92 states have (on average 1.3695652173913044) internal successors, (126), 92 states have internal predecessors, (126), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-08 17:41:00,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 158 transitions. [2024-11-08 17:41:00,698 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 158 transitions. Word has length 131 [2024-11-08 17:41:00,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:41:00,699 INFO L471 AbstractCegarLoop]: Abstraction has 110 states and 158 transitions. [2024-11-08 17:41:00,700 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-08 17:41:00,700 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 158 transitions. [2024-11-08 17:41:00,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-08 17:41:00,706 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:41:00,707 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:41:00,707 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-08 17:41:00,707 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:41:00,707 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:41:00,708 INFO L85 PathProgramCache]: Analyzing trace with hash -805251597, now seen corresponding path program 1 times [2024-11-08 17:41:00,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:41:00,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [832853523] [2024-11-08 17:41:00,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:41:00,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:41:00,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:01,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 17:41:01,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:01,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 17:41:01,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:01,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 17:41:01,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:01,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 17:41:01,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:01,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 17:41:01,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:01,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 17:41:01,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:01,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 17:41:01,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:01,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 17:41:01,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:01,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 17:41:01,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:01,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 17:41:01,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:01,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 17:41:01,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:01,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 17:41:01,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:01,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-08 17:41:01,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:01,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 17:41:01,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:01,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 17:41:01,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:01,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 17:41:01,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:01,160 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-08 17:41:01,161 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:41:01,162 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [832853523] [2024-11-08 17:41:01,162 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [832853523] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:41:01,163 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:41:01,163 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 17:41:01,163 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180207115] [2024-11-08 17:41:01,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:41:01,164 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 17:41:01,164 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:41:01,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 17:41:01,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 17:41:01,165 INFO L87 Difference]: Start difference. First operand 110 states and 158 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-08 17:41:01,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:41:01,265 INFO L93 Difference]: Finished difference Result 219 states and 316 transitions. [2024-11-08 17:41:01,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 17:41:01,268 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 131 [2024-11-08 17:41:01,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:41:01,269 INFO L225 Difference]: With dead ends: 219 [2024-11-08 17:41:01,286 INFO L226 Difference]: Without dead ends: 112 [2024-11-08 17:41:01,286 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-08 17:41:01,289 INFO L432 NwaCegarLoop]: 148 mSDtfsCounter, 1 mSDsluCounter, 419 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 567 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 17:41:01,295 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 567 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 17:41:01,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2024-11-08 17:41:01,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 112. [2024-11-08 17:41:01,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 94 states have (on average 1.3617021276595744) internal successors, (128), 94 states have internal predecessors, (128), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-08 17:41:01,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 160 transitions. [2024-11-08 17:41:01,308 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 160 transitions. Word has length 131 [2024-11-08 17:41:01,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:41:01,309 INFO L471 AbstractCegarLoop]: Abstraction has 112 states and 160 transitions. [2024-11-08 17:41:01,312 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-08 17:41:01,312 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 160 transitions. [2024-11-08 17:41:01,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-08 17:41:01,314 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:41:01,314 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:41:01,314 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-08 17:41:01,314 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:41:01,315 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:41:01,315 INFO L85 PathProgramCache]: Analyzing trace with hash 1800771957, now seen corresponding path program 1 times [2024-11-08 17:41:01,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:41:01,318 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [370896004] [2024-11-08 17:41:01,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:41:01,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:41:01,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:02,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 17:41:02,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:02,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 17:41:02,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:02,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 17:41:02,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:02,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 17:41:02,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:02,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 17:41:02,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:02,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 17:41:02,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:02,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 17:41:02,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:02,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 17:41:02,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:02,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 17:41:02,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:02,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 17:41:02,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:02,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 17:41:02,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:02,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 17:41:02,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:02,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-08 17:41:02,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:02,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 17:41:02,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:02,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 17:41:02,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:02,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 17:41:02,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:02,430 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-08 17:41:02,430 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:41:02,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [370896004] [2024-11-08 17:41:02,431 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [370896004] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:41:02,431 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:41:02,431 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 17:41:02,432 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1926581211] [2024-11-08 17:41:02,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:41:02,432 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-08 17:41:02,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:41:02,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-08 17:41:02,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-08 17:41:02,434 INFO L87 Difference]: Start difference. First operand 112 states and 160 transitions. Second operand has 8 states, 7 states have (on average 7.714285714285714) internal successors, (54), 8 states have internal predecessors, (54), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 3 states have call predecessors, (16), 4 states have call successors, (16) [2024-11-08 17:41:02,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:41:02,827 INFO L93 Difference]: Finished difference Result 294 states and 419 transitions. [2024-11-08 17:41:02,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 17:41:02,829 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 7.714285714285714) internal successors, (54), 8 states have internal predecessors, (54), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 3 states have call predecessors, (16), 4 states have call successors, (16) Word has length 131 [2024-11-08 17:41:02,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:41:02,831 INFO L225 Difference]: With dead ends: 294 [2024-11-08 17:41:02,831 INFO L226 Difference]: Without dead ends: 185 [2024-11-08 17:41:02,832 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2024-11-08 17:41:02,832 INFO L432 NwaCegarLoop]: 178 mSDtfsCounter, 415 mSDsluCounter, 576 mSDsCounter, 0 mSdLazyCounter, 193 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 415 SdHoareTripleChecker+Valid, 754 SdHoareTripleChecker+Invalid, 230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-08 17:41:02,833 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [415 Valid, 754 Invalid, 230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 193 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-08 17:41:02,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2024-11-08 17:41:02,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 182. [2024-11-08 17:41:02,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 159 states have (on average 1.3773584905660377) internal successors, (219), 160 states have internal predecessors, (219), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 19 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-08 17:41:02,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 259 transitions. [2024-11-08 17:41:02,883 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 259 transitions. Word has length 131 [2024-11-08 17:41:02,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:41:02,884 INFO L471 AbstractCegarLoop]: Abstraction has 182 states and 259 transitions. [2024-11-08 17:41:02,884 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 7.714285714285714) internal successors, (54), 8 states have internal predecessors, (54), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 3 states have call predecessors, (16), 4 states have call successors, (16) [2024-11-08 17:41:02,885 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 259 transitions. [2024-11-08 17:41:02,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-08 17:41:02,887 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:41:02,887 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:41:02,888 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-08 17:41:02,888 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:41:02,889 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:41:02,889 INFO L85 PathProgramCache]: Analyzing trace with hash 210031472, now seen corresponding path program 1 times [2024-11-08 17:41:02,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:41:02,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1623459789] [2024-11-08 17:41:02,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:41:02,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:41:02,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:03,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 17:41:03,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:03,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 17:41:03,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:03,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 17:41:03,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:03,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 17:41:03,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:03,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 17:41:03,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:03,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 17:41:03,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:03,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 17:41:03,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:03,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 17:41:03,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:03,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 17:41:03,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:03,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 17:41:03,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:03,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 17:41:03,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:03,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 17:41:03,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:03,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-08 17:41:03,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:03,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 17:41:03,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:03,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 17:41:03,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:03,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 17:41:03,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:03,138 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-08 17:41:03,139 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:41:03,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1623459789] [2024-11-08 17:41:03,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1623459789] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:41:03,140 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:41:03,140 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 17:41:03,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [991608943] [2024-11-08 17:41:03,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:41:03,143 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 17:41:03,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:41:03,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 17:41:03,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 17:41:03,146 INFO L87 Difference]: Start difference. First operand 182 states and 259 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-08 17:41:03,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:41:03,194 INFO L93 Difference]: Finished difference Result 399 states and 566 transitions. [2024-11-08 17:41:03,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 17:41:03,195 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 133 [2024-11-08 17:41:03,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:41:03,199 INFO L225 Difference]: With dead ends: 399 [2024-11-08 17:41:03,200 INFO L226 Difference]: Without dead ends: 220 [2024-11-08 17:41:03,201 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 17:41:03,202 INFO L432 NwaCegarLoop]: 219 mSDtfsCounter, 66 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 356 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 17:41:03,202 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 356 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 17:41:03,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2024-11-08 17:41:03,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 182. [2024-11-08 17:41:03,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 159 states have (on average 1.371069182389937) internal successors, (218), 160 states have internal predecessors, (218), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 19 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-08 17:41:03,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 258 transitions. [2024-11-08 17:41:03,232 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 258 transitions. Word has length 133 [2024-11-08 17:41:03,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:41:03,234 INFO L471 AbstractCegarLoop]: Abstraction has 182 states and 258 transitions. [2024-11-08 17:41:03,234 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-08 17:41:03,234 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 258 transitions. [2024-11-08 17:41:03,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-08 17:41:03,236 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:41:03,237 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:41:03,237 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-08 17:41:03,237 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:41:03,238 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:41:03,239 INFO L85 PathProgramCache]: Analyzing trace with hash 1249912819, now seen corresponding path program 1 times [2024-11-08 17:41:03,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:41:03,239 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [914445439] [2024-11-08 17:41:03,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:41:03,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:41:03,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:03,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 17:41:03,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:03,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 17:41:03,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:03,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 17:41:03,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:03,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 17:41:03,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:03,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 17:41:03,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:03,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 17:41:03,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:03,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 17:41:03,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:03,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 17:41:03,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:03,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 17:41:03,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:03,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 17:41:03,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:03,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 17:41:03,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:03,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 17:41:03,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:03,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-08 17:41:03,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:03,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 17:41:03,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:03,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 17:41:03,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:03,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 17:41:03,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:03,613 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-08 17:41:03,613 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:41:03,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [914445439] [2024-11-08 17:41:03,614 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [914445439] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:41:03,614 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:41:03,614 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 17:41:03,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [858781344] [2024-11-08 17:41:03,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:41:03,615 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 17:41:03,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:41:03,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 17:41:03,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 17:41:03,616 INFO L87 Difference]: Start difference. First operand 182 states and 258 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-08 17:41:03,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:41:03,671 INFO L93 Difference]: Finished difference Result 367 states and 521 transitions. [2024-11-08 17:41:03,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 17:41:03,674 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 133 [2024-11-08 17:41:03,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:41:03,676 INFO L225 Difference]: With dead ends: 367 [2024-11-08 17:41:03,676 INFO L226 Difference]: Without dead ends: 188 [2024-11-08 17:41:03,677 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 17:41:03,679 INFO L432 NwaCegarLoop]: 149 mSDtfsCounter, 0 mSDsluCounter, 430 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 579 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 17:41:03,679 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 579 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 17:41:03,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2024-11-08 17:41:03,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 188. [2024-11-08 17:41:03,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 188 states, 165 states have (on average 1.3575757575757577) internal successors, (224), 166 states have internal predecessors, (224), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 19 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-08 17:41:03,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 264 transitions. [2024-11-08 17:41:03,696 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 264 transitions. Word has length 133 [2024-11-08 17:41:03,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:41:03,696 INFO L471 AbstractCegarLoop]: Abstraction has 188 states and 264 transitions. [2024-11-08 17:41:03,697 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-08 17:41:03,697 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 264 transitions. [2024-11-08 17:41:03,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-08 17:41:03,699 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:41:03,699 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:41:03,699 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-08 17:41:03,700 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:41:03,700 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:41:03,700 INFO L85 PathProgramCache]: Analyzing trace with hash -1311786194, now seen corresponding path program 1 times [2024-11-08 17:41:03,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:41:03,701 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1335656097] [2024-11-08 17:41:03,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:41:03,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:41:03,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:03,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 17:41:03,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:03,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 17:41:03,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:03,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 17:41:03,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:03,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 17:41:03,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:03,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 17:41:03,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:03,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 17:41:03,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:03,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 17:41:03,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:03,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 17:41:03,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:03,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 17:41:03,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:03,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 17:41:03,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:03,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 17:41:03,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:03,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 17:41:03,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:03,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-08 17:41:03,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:03,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 17:41:03,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:03,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 17:41:03,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:03,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 17:41:03,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:03,894 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-08 17:41:03,894 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:41:03,894 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1335656097] [2024-11-08 17:41:03,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1335656097] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:41:03,895 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:41:03,895 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 17:41:03,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2083059503] [2024-11-08 17:41:03,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:41:03,896 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 17:41:03,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:41:03,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 17:41:03,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 17:41:03,898 INFO L87 Difference]: Start difference. First operand 188 states and 264 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-08 17:41:03,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:41:03,939 INFO L93 Difference]: Finished difference Result 372 states and 521 transitions. [2024-11-08 17:41:03,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 17:41:03,940 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 133 [2024-11-08 17:41:03,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:41:03,942 INFO L225 Difference]: With dead ends: 372 [2024-11-08 17:41:03,942 INFO L226 Difference]: Without dead ends: 187 [2024-11-08 17:41:03,943 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 17:41:03,943 INFO L432 NwaCegarLoop]: 162 mSDtfsCounter, 64 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 304 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 17:41:03,944 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 304 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 17:41:03,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2024-11-08 17:41:03,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 184. [2024-11-08 17:41:03,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 184 states, 161 states have (on average 1.3478260869565217) internal successors, (217), 162 states have internal predecessors, (217), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 19 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-08 17:41:03,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 257 transitions. [2024-11-08 17:41:03,958 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 257 transitions. Word has length 133 [2024-11-08 17:41:03,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:41:03,959 INFO L471 AbstractCegarLoop]: Abstraction has 184 states and 257 transitions. [2024-11-08 17:41:03,959 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-08 17:41:03,959 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 257 transitions. [2024-11-08 17:41:03,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-08 17:41:03,961 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:41:03,962 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:41:03,962 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-08 17:41:03,962 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:41:03,962 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:41:03,963 INFO L85 PathProgramCache]: Analyzing trace with hash -1005034903, now seen corresponding path program 1 times [2024-11-08 17:41:03,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:41:03,963 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1055650981] [2024-11-08 17:41:03,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:41:03,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:41:04,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:04,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 17:41:04,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:04,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 17:41:04,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:04,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 17:41:04,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:04,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 17:41:04,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:04,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 17:41:04,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:04,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 17:41:04,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:04,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 17:41:04,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:04,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 17:41:04,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:04,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 17:41:04,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:04,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 17:41:04,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:04,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 17:41:04,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:04,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 17:41:04,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:04,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-08 17:41:04,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:04,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 17:41:04,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:04,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 17:41:04,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:04,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 17:41:04,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:04,299 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-08 17:41:04,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:41:04,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1055650981] [2024-11-08 17:41:04,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1055650981] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:41:04,301 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:41:04,301 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 17:41:04,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1040205843] [2024-11-08 17:41:04,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:41:04,302 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 17:41:04,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:41:04,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 17:41:04,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 17:41:04,304 INFO L87 Difference]: Start difference. First operand 184 states and 257 transitions. Second operand has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-08 17:41:04,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:41:04,459 INFO L93 Difference]: Finished difference Result 538 states and 748 transitions. [2024-11-08 17:41:04,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 17:41:04,460 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 135 [2024-11-08 17:41:04,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:41:04,463 INFO L225 Difference]: With dead ends: 538 [2024-11-08 17:41:04,463 INFO L226 Difference]: Without dead ends: 357 [2024-11-08 17:41:04,464 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-08 17:41:04,464 INFO L432 NwaCegarLoop]: 143 mSDtfsCounter, 248 mSDsluCounter, 284 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 248 SdHoareTripleChecker+Valid, 427 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 17:41:04,465 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [248 Valid, 427 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 17:41:04,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 357 states. [2024-11-08 17:41:04,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 357 to 300. [2024-11-08 17:41:04,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 300 states, 255 states have (on average 1.3254901960784313) internal successors, (338), 257 states have internal predecessors, (338), 40 states have call successors, (40), 4 states have call predecessors, (40), 4 states have return successors, (40), 38 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-08 17:41:04,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 300 states and 418 transitions. [2024-11-08 17:41:04,489 INFO L78 Accepts]: Start accepts. Automaton has 300 states and 418 transitions. Word has length 135 [2024-11-08 17:41:04,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:41:04,489 INFO L471 AbstractCegarLoop]: Abstraction has 300 states and 418 transitions. [2024-11-08 17:41:04,490 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-08 17:41:04,490 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 418 transitions. [2024-11-08 17:41:04,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-08 17:41:04,492 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:41:04,492 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:41:04,492 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-08 17:41:04,492 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:41:04,493 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:41:04,493 INFO L85 PathProgramCache]: Analyzing trace with hash -1701408471, now seen corresponding path program 1 times [2024-11-08 17:41:04,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:41:04,493 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1380406889] [2024-11-08 17:41:04,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:41:04,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:41:04,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:04,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 17:41:04,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:04,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 17:41:04,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:04,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 17:41:04,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:04,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 17:41:04,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:04,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 17:41:04,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:04,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 17:41:04,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:04,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 17:41:04,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:04,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 17:41:04,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:04,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 17:41:04,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:04,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 17:41:04,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:04,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 17:41:04,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:04,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 17:41:04,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:04,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-08 17:41:04,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:04,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 17:41:04,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:04,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 17:41:04,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:04,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 17:41:04,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:04,839 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-08 17:41:04,840 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:41:04,840 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1380406889] [2024-11-08 17:41:04,840 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1380406889] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:41:04,840 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:41:04,840 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 17:41:04,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1812529057] [2024-11-08 17:41:04,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:41:04,841 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 17:41:04,841 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:41:04,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 17:41:04,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-08 17:41:04,842 INFO L87 Difference]: Start difference. First operand 300 states and 418 transitions. Second operand has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 6 states have internal predecessors, (59), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-08 17:41:04,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:41:04,901 INFO L93 Difference]: Finished difference Result 600 states and 835 transitions. [2024-11-08 17:41:04,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 17:41:04,902 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 6 states have internal predecessors, (59), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 136 [2024-11-08 17:41:04,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:41:04,904 INFO L225 Difference]: With dead ends: 600 [2024-11-08 17:41:04,904 INFO L226 Difference]: Without dead ends: 312 [2024-11-08 17:41:04,905 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-08 17:41:04,906 INFO L432 NwaCegarLoop]: 148 mSDtfsCounter, 0 mSDsluCounter, 571 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 719 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 17:41:04,906 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 719 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 17:41:04,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 312 states. [2024-11-08 17:41:04,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 312 to 303. [2024-11-08 17:41:04,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 303 states, 258 states have (on average 1.321705426356589) internal successors, (341), 260 states have internal predecessors, (341), 40 states have call successors, (40), 4 states have call predecessors, (40), 4 states have return successors, (40), 38 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-08 17:41:04,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 303 states and 421 transitions. [2024-11-08 17:41:04,928 INFO L78 Accepts]: Start accepts. Automaton has 303 states and 421 transitions. Word has length 136 [2024-11-08 17:41:04,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:41:04,929 INFO L471 AbstractCegarLoop]: Abstraction has 303 states and 421 transitions. [2024-11-08 17:41:04,929 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 6 states have internal predecessors, (59), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-08 17:41:04,929 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 421 transitions. [2024-11-08 17:41:04,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-08 17:41:04,931 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:41:04,931 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:41:04,931 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-08 17:41:04,932 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:41:04,932 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:41:04,932 INFO L85 PathProgramCache]: Analyzing trace with hash -1856999786, now seen corresponding path program 1 times [2024-11-08 17:41:04,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:41:04,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1186631755] [2024-11-08 17:41:04,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:41:04,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:41:04,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:05,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 17:41:05,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:05,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 17:41:05,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:05,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 17:41:05,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:05,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 17:41:05,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:05,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 17:41:05,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:05,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 17:41:05,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:05,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 17:41:05,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:05,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 17:41:05,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:05,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 17:41:05,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:05,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 17:41:05,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:05,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 17:41:05,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:05,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 17:41:05,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:05,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-08 17:41:05,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:05,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 17:41:05,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:05,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 17:41:05,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:05,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 17:41:05,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:05,197 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-08 17:41:05,197 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:41:05,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1186631755] [2024-11-08 17:41:05,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1186631755] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:41:05,198 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:41:05,198 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 17:41:05,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1444812109] [2024-11-08 17:41:05,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:41:05,199 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 17:41:05,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:41:05,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 17:41:05,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 17:41:05,200 INFO L87 Difference]: Start difference. First operand 303 states and 421 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-08 17:41:05,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:41:05,386 INFO L93 Difference]: Finished difference Result 638 states and 892 transitions. [2024-11-08 17:41:05,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 17:41:05,387 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 137 [2024-11-08 17:41:05,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:41:05,390 INFO L225 Difference]: With dead ends: 638 [2024-11-08 17:41:05,390 INFO L226 Difference]: Without dead ends: 347 [2024-11-08 17:41:05,391 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-08 17:41:05,392 INFO L432 NwaCegarLoop]: 225 mSDtfsCounter, 136 mSDsluCounter, 494 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 719 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 17:41:05,392 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 719 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 17:41:05,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 347 states. [2024-11-08 17:41:05,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 347 to 335. [2024-11-08 17:41:05,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 335 states, 277 states have (on average 1.2996389891696751) internal successors, (360), 279 states have internal predecessors, (360), 52 states have call successors, (52), 5 states have call predecessors, (52), 5 states have return successors, (52), 50 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-08 17:41:05,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 335 states and 464 transitions. [2024-11-08 17:41:05,427 INFO L78 Accepts]: Start accepts. Automaton has 335 states and 464 transitions. Word has length 137 [2024-11-08 17:41:05,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:41:05,428 INFO L471 AbstractCegarLoop]: Abstraction has 335 states and 464 transitions. [2024-11-08 17:41:05,428 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-08 17:41:05,428 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 464 transitions. [2024-11-08 17:41:05,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-08 17:41:05,430 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:41:05,431 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:41:05,431 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-08 17:41:05,431 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:41:05,432 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:41:05,432 INFO L85 PathProgramCache]: Analyzing trace with hash 1426850260, now seen corresponding path program 1 times [2024-11-08 17:41:05,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:41:05,432 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1332506519] [2024-11-08 17:41:05,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:41:05,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:41:05,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:05,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 17:41:05,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:05,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 17:41:05,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:05,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 17:41:05,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:05,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 17:41:05,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:05,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 17:41:05,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:05,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 17:41:05,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:05,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 17:41:05,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:05,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 17:41:05,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:05,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 17:41:05,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:05,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 17:41:05,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:05,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 17:41:05,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:05,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 17:41:05,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:05,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-08 17:41:05,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:05,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 17:41:05,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:05,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 17:41:05,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:05,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 17:41:05,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:05,993 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-08 17:41:05,993 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:41:05,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1332506519] [2024-11-08 17:41:05,994 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1332506519] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:41:05,994 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:41:05,994 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 17:41:05,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [911970863] [2024-11-08 17:41:05,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:41:05,995 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 17:41:05,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:41:05,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 17:41:05,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-08 17:41:05,997 INFO L87 Difference]: Start difference. First operand 335 states and 464 transitions. Second operand has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-08 17:41:06,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:41:06,111 INFO L93 Difference]: Finished difference Result 354 states and 483 transitions. [2024-11-08 17:41:06,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 17:41:06,112 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 137 [2024-11-08 17:41:06,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:41:06,115 INFO L225 Difference]: With dead ends: 354 [2024-11-08 17:41:06,115 INFO L226 Difference]: Without dead ends: 352 [2024-11-08 17:41:06,115 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-08 17:41:06,116 INFO L432 NwaCegarLoop]: 208 mSDtfsCounter, 104 mSDsluCounter, 705 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 913 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 17:41:06,117 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 913 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 17:41:06,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 352 states. [2024-11-08 17:41:06,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 352 to 352. [2024-11-08 17:41:06,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 352 states, 292 states have (on average 1.2842465753424657) internal successors, (375), 294 states have internal predecessors, (375), 52 states have call successors, (52), 7 states have call predecessors, (52), 7 states have return successors, (52), 50 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-08 17:41:06,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 352 states and 479 transitions. [2024-11-08 17:41:06,161 INFO L78 Accepts]: Start accepts. Automaton has 352 states and 479 transitions. Word has length 137 [2024-11-08 17:41:06,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:41:06,162 INFO L471 AbstractCegarLoop]: Abstraction has 352 states and 479 transitions. [2024-11-08 17:41:06,162 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-08 17:41:06,162 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 479 transitions. [2024-11-08 17:41:06,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-08 17:41:06,164 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:41:06,165 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:41:06,165 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-08 17:41:06,165 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:41:06,166 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:41:06,166 INFO L85 PathProgramCache]: Analyzing trace with hash 1428697302, now seen corresponding path program 1 times [2024-11-08 17:41:06,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:41:06,166 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [709408517] [2024-11-08 17:41:06,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:41:06,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:41:06,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:41:06,256 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 17:41:06,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:41:06,476 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 17:41:06,476 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 17:41:06,477 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-08 17:41:06,480 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-08 17:41:06,485 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:41:06,777 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 17:41:06,782 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 05:41:06 BoogieIcfgContainer [2024-11-08 17:41:06,783 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 17:41:06,783 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 17:41:06,783 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 17:41:06,784 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 17:41:06,784 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:40:58" (3/4) ... [2024-11-08 17:41:06,787 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 17:41:06,788 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 17:41:06,789 INFO L158 Benchmark]: Toolchain (without parser) took 10429.98ms. Allocated memory was 155.2MB in the beginning and 312.5MB in the end (delta: 157.3MB). Free memory was 115.9MB in the beginning and 140.8MB in the end (delta: -24.8MB). Peak memory consumption was 133.5MB. Max. memory is 16.1GB. [2024-11-08 17:41:06,789 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 155.2MB. Free memory was 122.8MB in the beginning and 122.7MB in the end (delta: 161.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 17:41:06,790 INFO L158 Benchmark]: CACSL2BoogieTranslator took 465.95ms. Allocated memory is still 155.2MB. Free memory was 115.4MB in the beginning and 99.6MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-08 17:41:06,790 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.85ms. Allocated memory is still 155.2MB. Free memory was 99.6MB in the beginning and 95.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 17:41:06,791 INFO L158 Benchmark]: Boogie Preprocessor took 121.42ms. Allocated memory is still 155.2MB. Free memory was 95.5MB in the beginning and 89.8MB in the end (delta: 5.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 17:41:06,791 INFO L158 Benchmark]: RCFGBuilder took 1179.98ms. Allocated memory was 155.2MB in the beginning and 216.0MB in the end (delta: 60.8MB). Free memory was 89.8MB in the beginning and 170.7MB in the end (delta: -80.9MB). Peak memory consumption was 49.0MB. Max. memory is 16.1GB. [2024-11-08 17:41:06,792 INFO L158 Benchmark]: TraceAbstraction took 8572.41ms. Allocated memory was 216.0MB in the beginning and 312.5MB in the end (delta: 96.5MB). Free memory was 169.7MB in the beginning and 140.8MB in the end (delta: 28.9MB). Peak memory consumption was 124.3MB. Max. memory is 16.1GB. [2024-11-08 17:41:06,792 INFO L158 Benchmark]: Witness Printer took 5.34ms. Allocated memory is still 312.5MB. Free memory is still 140.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 17:41:06,795 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 was 122.8MB in the beginning and 122.7MB in the end (delta: 161.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 465.95ms. Allocated memory is still 155.2MB. Free memory was 115.4MB in the beginning and 99.6MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 76.85ms. Allocated memory is still 155.2MB. Free memory was 99.6MB in the beginning and 95.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 121.42ms. Allocated memory is still 155.2MB. Free memory was 95.5MB in the beginning and 89.8MB in the end (delta: 5.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1179.98ms. Allocated memory was 155.2MB in the beginning and 216.0MB in the end (delta: 60.8MB). Free memory was 89.8MB in the beginning and 170.7MB in the end (delta: -80.9MB). Peak memory consumption was 49.0MB. Max. memory is 16.1GB. * TraceAbstraction took 8572.41ms. Allocated memory was 216.0MB in the beginning and 312.5MB in the end (delta: 96.5MB). Free memory was 169.7MB in the beginning and 140.8MB in the end (delta: 28.9MB). Peak memory consumption was 124.3MB. Max. memory is 16.1GB. * Witness Printer took 5.34ms. Allocated memory is still 312.5MB. Free memory is still 140.8MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 104, overapproximation of someBinaryFLOATComparisonOperation at line 113. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned short int var_1_1 = 8; [L22] unsigned short int var_1_1 = 8; [L23] unsigned short int* var_1_1_Pointer = &(var_1_1); [L24] unsigned char var_1_2 = 0; [L24] unsigned char var_1_2 = 0; [L25] unsigned char* var_1_2_Pointer = &(var_1_2); [L26] unsigned short int var_1_3 = 8; [L26] unsigned short int var_1_3 = 8; [L27] unsigned short int* var_1_3_Pointer = &(var_1_3); [L28] unsigned short int var_1_4 = 1000; [L28] unsigned short int var_1_4 = 1000; [L29] unsigned short int* var_1_4_Pointer = &(var_1_4); [L30] unsigned char var_1_5 = 1; [L30] unsigned char var_1_5 = 1; [L31] unsigned char* var_1_5_Pointer = &(var_1_5); [L32] unsigned char var_1_6 = 0; [L32] unsigned char var_1_6 = 0; [L33] unsigned char* var_1_6_Pointer = &(var_1_6); [L34] unsigned char var_1_9 = 0; [L34] unsigned char var_1_9 = 0; [L35] unsigned char* var_1_9_Pointer = &(var_1_9); [L36] unsigned char var_1_10 = 0; [L36] unsigned char var_1_10 = 0; [L37] unsigned char* var_1_10_Pointer = &(var_1_10); [L38] double var_1_11 = 4.575; [L38] double var_1_11 = 4.575; [L39] double* var_1_11_Pointer = &(var_1_11); [L40] double var_1_13 = 2.75; [L40] double var_1_13 = 2.75; [L41] double* var_1_13_Pointer = &(var_1_13); [L42] double var_1_14 = 128.5; [L42] double var_1_14 = 128.5; [L43] double* var_1_14_Pointer = &(var_1_14); [L44] signed long int var_1_15 = -1000000000; [L44] signed long int var_1_15 = -1000000000; [L45] signed long int* var_1_15_Pointer = &(var_1_15); [L46] float var_1_16 = 99999.25; [L46] float var_1_16 = 99999.25; [L47] float* var_1_16_Pointer = &(var_1_16); [L48] signed char var_1_17 = 1; [L48] signed char var_1_17 = 1; [L49] signed char* var_1_17_Pointer = &(var_1_17); [L50] signed char var_1_18 = 50; [L50] signed char var_1_18 = 50; [L51] signed char* var_1_18_Pointer = &(var_1_18); [L52] unsigned char last_1_var_1_5 = 1; VAL [isInitial=0, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L117] isInitial = 1 [L118] FCALL initially() [L119] COND TRUE 1 [L120] CALL updateLastVariables() [L110] EXPR \read(var_1_5) [L110] last_1_var_1_5 = var_1_5 [L120] RET updateLastVariables() [L121] CALL updateVariables() [L83] var_1_2 = __VERIFIER_nondet_uchar() [L84] EXPR \read(var_1_2) VAL [isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L84] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L84] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L85] EXPR \read(var_1_2) VAL [isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L85] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L85] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L86] var_1_3 = __VERIFIER_nondet_ushort() [L87] EXPR \read(var_1_3) VAL [isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L87] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L87] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L88] EXPR \read(var_1_3) VAL [isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L88] CALL assume_abort_if_not(var_1_3 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L88] RET assume_abort_if_not(var_1_3 <= 65534) VAL [isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L89] var_1_4 = __VERIFIER_nondet_ushort() [L90] EXPR \read(var_1_4) VAL [isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L90] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L90] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L91] EXPR \read(var_1_4) VAL [isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L91] CALL assume_abort_if_not(var_1_4 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L91] RET assume_abort_if_not(var_1_4 <= 65534) VAL [isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L92] var_1_6 = __VERIFIER_nondet_uchar() [L93] EXPR \read(var_1_6) VAL [isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L93] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L93] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L94] EXPR \read(var_1_6) VAL [isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L94] CALL assume_abort_if_not(var_1_6 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L94] RET assume_abort_if_not(var_1_6 <= 1) VAL [isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L95] var_1_9 = __VERIFIER_nondet_uchar() [L96] EXPR \read(var_1_9) VAL [isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L96] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L96] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L97] EXPR \read(var_1_9) VAL [isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L97] CALL assume_abort_if_not(var_1_9 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L97] RET assume_abort_if_not(var_1_9 <= 0) VAL [isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L98] var_1_10 = __VERIFIER_nondet_uchar() [L99] EXPR \read(var_1_10) VAL [isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L99] CALL assume_abort_if_not(var_1_10 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L99] RET assume_abort_if_not(var_1_10 >= 1) VAL [isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L100] EXPR \read(var_1_10) VAL [isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L100] CALL assume_abort_if_not(var_1_10 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L100] RET assume_abort_if_not(var_1_10 <= 1) VAL [isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L101] var_1_13 = __VERIFIER_nondet_double() [L102] EXPR \read(var_1_13) [L102] EXPR var_1_13 >= -461168.6018427382800e+13F && var_1_13 <= -1.0e-20F VAL [isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L102] EXPR var_1_13 >= -461168.6018427382800e+13F && var_1_13 <= -1.0e-20F [L102] EXPR \read(var_1_13) [L102] EXPR var_1_13 >= -461168.6018427382800e+13F && var_1_13 <= -1.0e-20F VAL [isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L102] EXPR (var_1_13 >= -461168.6018427382800e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 4611686.018427382800e+12F && var_1_13 >= 1.0e-20F ) VAL [isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L102] EXPR (var_1_13 >= -461168.6018427382800e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 4611686.018427382800e+12F && var_1_13 >= 1.0e-20F ) VAL [isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L102] CALL assume_abort_if_not((var_1_13 >= -461168.6018427382800e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 4611686.018427382800e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L102] RET assume_abort_if_not((var_1_13 >= -461168.6018427382800e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 4611686.018427382800e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L103] var_1_14 = __VERIFIER_nondet_double() [L104] EXPR \read(var_1_14) [L104] EXPR var_1_14 >= -461168.6018427382800e+13F && var_1_14 <= -1.0e-20F VAL [isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L104] EXPR var_1_14 >= -461168.6018427382800e+13F && var_1_14 <= -1.0e-20F [L104] EXPR \read(var_1_14) [L104] EXPR var_1_14 >= -461168.6018427382800e+13F && var_1_14 <= -1.0e-20F VAL [isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L104] EXPR (var_1_14 >= -461168.6018427382800e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 4611686.018427382800e+12F && var_1_14 >= 1.0e-20F ) VAL [isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L104] EXPR (var_1_14 >= -461168.6018427382800e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 4611686.018427382800e+12F && var_1_14 >= 1.0e-20F ) VAL [isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L104] CALL assume_abort_if_not((var_1_14 >= -461168.6018427382800e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 4611686.018427382800e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L104] RET assume_abort_if_not((var_1_14 >= -461168.6018427382800e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 4611686.018427382800e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L105] var_1_18 = __VERIFIER_nondet_char() [L106] EXPR \read(var_1_18) VAL [isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L106] CALL assume_abort_if_not(var_1_18 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L106] RET assume_abort_if_not(var_1_18 >= -127) VAL [isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L107] EXPR \read(var_1_18) VAL [isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L107] CALL assume_abort_if_not(var_1_18 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L107] RET assume_abort_if_not(var_1_18 <= 126) VAL [isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L121] RET updateVariables() [L122] CALL step() [L56] COND FALSE !(! last_1_var_1_5) [L59] EXPR \read(*var_1_4_Pointer) [L59] (*(var_1_1_Pointer)) = (*(var_1_4_Pointer)) [L61] EXPR \read(*var_1_6_Pointer) [L61] unsigned char stepLocal_0 = (*(var_1_6_Pointer)); [L62] EXPR \read(*var_1_2_Pointer) VAL [isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L62] COND FALSE !((*(var_1_2_Pointer))) [L71] EXPR \read(*var_1_1_Pointer) [L71] (*(var_1_15_Pointer)) = (*(var_1_1_Pointer)) [L72] EXPR \read(*var_1_13_Pointer) [L72] (*(var_1_16_Pointer)) = (*(var_1_13_Pointer)) [L73] EXPR \read(*var_1_18_Pointer) [L73] (*(var_1_17_Pointer)) = (*(var_1_18_Pointer)) [L74] EXPR \read(*var_1_15_Pointer) VAL [isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L74] EXPR (((*(var_1_15_Pointer))) < 0 ) ? -((*(var_1_15_Pointer))) : ((*(var_1_15_Pointer))) [L74] EXPR \read(*var_1_15_Pointer) [L74] EXPR (((*(var_1_15_Pointer))) < 0 ) ? -((*(var_1_15_Pointer))) : ((*(var_1_15_Pointer))) VAL [isInitial=1, last_1_var_1_5=1, stepLocal_0=257, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L74] EXPR \read(*var_1_15_Pointer) VAL [isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L74] COND FALSE !((((((*(var_1_15_Pointer))) < 0 ) ? -((*(var_1_15_Pointer))) : ((*(var_1_15_Pointer))))) > (*(var_1_15_Pointer))) [L122] RET step() [L123] CALL, EXPR property() [L113] EXPR (! last_1_var_1_5) ? ((*(var_1_1_Pointer)) == ((unsigned short int) (((((*(var_1_3_Pointer))) < ((*(var_1_4_Pointer)))) ? ((*(var_1_3_Pointer))) : ((*(var_1_4_Pointer))))))) : ((*(var_1_1_Pointer)) == ((unsigned short int) (*(var_1_4_Pointer)))) [L113] EXPR \read(*var_1_1_Pointer) [L113] EXPR \read(*var_1_4_Pointer) [L113] EXPR (! last_1_var_1_5) ? ((*(var_1_1_Pointer)) == ((unsigned short int) (((((*(var_1_3_Pointer))) < ((*(var_1_4_Pointer)))) ? ((*(var_1_3_Pointer))) : ((*(var_1_4_Pointer))))))) : ((*(var_1_1_Pointer)) == ((unsigned short int) (*(var_1_4_Pointer)))) VAL [isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L113] EXPR ((! last_1_var_1_5) ? ((*(var_1_1_Pointer)) == ((unsigned short int) (((((*(var_1_3_Pointer))) < ((*(var_1_4_Pointer)))) ? ((*(var_1_3_Pointer))) : ((*(var_1_4_Pointer))))))) : ((*(var_1_1_Pointer)) == ((unsigned short int) (*(var_1_4_Pointer))))) && ((*(var_1_2_Pointer)) ? (((*(var_1_6_Pointer)) && (((*(var_1_3_Pointer)) >= 16) || last_1_var_1_5)) ? ((*(var_1_6_Pointer)) ? ((*(var_1_5_Pointer)) == ((unsigned char) (((*(var_1_1_Pointer)) < (*(var_1_1_Pointer))) && (*(var_1_9_Pointer))))) : ((*(var_1_5_Pointer)) == ((unsigned char) (*(var_1_10_Pointer))))) : 1) : 1) VAL [isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L113] EXPR ((! last_1_var_1_5) ? ((*(var_1_1_Pointer)) == ((unsigned short int) (((((*(var_1_3_Pointer))) < ((*(var_1_4_Pointer)))) ? ((*(var_1_3_Pointer))) : ((*(var_1_4_Pointer))))))) : ((*(var_1_1_Pointer)) == ((unsigned short int) (*(var_1_4_Pointer))))) && ((*(var_1_2_Pointer)) ? (((*(var_1_6_Pointer)) && (((*(var_1_3_Pointer)) >= 16) || last_1_var_1_5)) ? ((*(var_1_6_Pointer)) ? ((*(var_1_5_Pointer)) == ((unsigned char) (((*(var_1_1_Pointer)) < (*(var_1_1_Pointer))) && (*(var_1_9_Pointer))))) : ((*(var_1_5_Pointer)) == ((unsigned char) (*(var_1_10_Pointer))))) : 1) : 1) [L113] EXPR \read(*var_1_2_Pointer) VAL [isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L113] EXPR (*(var_1_2_Pointer)) ? (((*(var_1_6_Pointer)) && (((*(var_1_3_Pointer)) >= 16) || last_1_var_1_5)) ? ((*(var_1_6_Pointer)) ? ((*(var_1_5_Pointer)) == ((unsigned char) (((*(var_1_1_Pointer)) < (*(var_1_1_Pointer))) && (*(var_1_9_Pointer))))) : ((*(var_1_5_Pointer)) == ((unsigned char) (*(var_1_10_Pointer))))) : 1) : 1 [L113] EXPR (*(var_1_2_Pointer)) ? (((*(var_1_6_Pointer)) && (((*(var_1_3_Pointer)) >= 16) || last_1_var_1_5)) ? ((*(var_1_6_Pointer)) ? ((*(var_1_5_Pointer)) == ((unsigned char) (((*(var_1_1_Pointer)) < (*(var_1_1_Pointer))) && (*(var_1_9_Pointer))))) : ((*(var_1_5_Pointer)) == ((unsigned char) (*(var_1_10_Pointer))))) : 1) : 1 VAL [isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L113] EXPR ((! last_1_var_1_5) ? ((*(var_1_1_Pointer)) == ((unsigned short int) (((((*(var_1_3_Pointer))) < ((*(var_1_4_Pointer)))) ? ((*(var_1_3_Pointer))) : ((*(var_1_4_Pointer))))))) : ((*(var_1_1_Pointer)) == ((unsigned short int) (*(var_1_4_Pointer))))) && ((*(var_1_2_Pointer)) ? (((*(var_1_6_Pointer)) && (((*(var_1_3_Pointer)) >= 16) || last_1_var_1_5)) ? ((*(var_1_6_Pointer)) ? ((*(var_1_5_Pointer)) == ((unsigned char) (((*(var_1_1_Pointer)) < (*(var_1_1_Pointer))) && (*(var_1_9_Pointer))))) : ((*(var_1_5_Pointer)) == ((unsigned char) (*(var_1_10_Pointer))))) : 1) : 1) VAL [isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L113] EXPR (((! last_1_var_1_5) ? ((*(var_1_1_Pointer)) == ((unsigned short int) (((((*(var_1_3_Pointer))) < ((*(var_1_4_Pointer)))) ? ((*(var_1_3_Pointer))) : ((*(var_1_4_Pointer))))))) : ((*(var_1_1_Pointer)) == ((unsigned short int) (*(var_1_4_Pointer))))) && ((*(var_1_2_Pointer)) ? (((*(var_1_6_Pointer)) && (((*(var_1_3_Pointer)) >= 16) || last_1_var_1_5)) ? ((*(var_1_6_Pointer)) ? ((*(var_1_5_Pointer)) == ((unsigned char) (((*(var_1_1_Pointer)) < (*(var_1_1_Pointer))) && (*(var_1_9_Pointer))))) : ((*(var_1_5_Pointer)) == ((unsigned char) (*(var_1_10_Pointer))))) : 1) : 1)) && (((((((*(var_1_15_Pointer))) < 0 ) ? -((*(var_1_15_Pointer))) : ((*(var_1_15_Pointer))))) > (*(var_1_15_Pointer))) ? ((((*(var_1_15_Pointer)) / -5) >= (((*(var_1_4_Pointer)) + (*(var_1_15_Pointer))) - (((((*(var_1_1_Pointer))) < ((*(var_1_3_Pointer)))) ? ((*(var_1_1_Pointer))) : ((*(var_1_3_Pointer))))))) ? ((*(var_1_11_Pointer)) == ((double) ((*(var_1_13_Pointer)) + (*(var_1_14_Pointer))))) : ((*(var_1_11_Pointer)) == ((double) (*(var_1_14_Pointer))))) : 1) VAL [isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L113] EXPR (((! last_1_var_1_5) ? ((*(var_1_1_Pointer)) == ((unsigned short int) (((((*(var_1_3_Pointer))) < ((*(var_1_4_Pointer)))) ? ((*(var_1_3_Pointer))) : ((*(var_1_4_Pointer))))))) : ((*(var_1_1_Pointer)) == ((unsigned short int) (*(var_1_4_Pointer))))) && ((*(var_1_2_Pointer)) ? (((*(var_1_6_Pointer)) && (((*(var_1_3_Pointer)) >= 16) || last_1_var_1_5)) ? ((*(var_1_6_Pointer)) ? ((*(var_1_5_Pointer)) == ((unsigned char) (((*(var_1_1_Pointer)) < (*(var_1_1_Pointer))) && (*(var_1_9_Pointer))))) : ((*(var_1_5_Pointer)) == ((unsigned char) (*(var_1_10_Pointer))))) : 1) : 1)) && (((((((*(var_1_15_Pointer))) < 0 ) ? -((*(var_1_15_Pointer))) : ((*(var_1_15_Pointer))))) > (*(var_1_15_Pointer))) ? ((((*(var_1_15_Pointer)) / -5) >= (((*(var_1_4_Pointer)) + (*(var_1_15_Pointer))) - (((((*(var_1_1_Pointer))) < ((*(var_1_3_Pointer)))) ? ((*(var_1_1_Pointer))) : ((*(var_1_3_Pointer))))))) ? ((*(var_1_11_Pointer)) == ((double) ((*(var_1_13_Pointer)) + (*(var_1_14_Pointer))))) : ((*(var_1_11_Pointer)) == ((double) (*(var_1_14_Pointer))))) : 1) [L113] EXPR \read(*var_1_15_Pointer) VAL [isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L113] EXPR (((*(var_1_15_Pointer))) < 0 ) ? -((*(var_1_15_Pointer))) : ((*(var_1_15_Pointer))) [L113] EXPR \read(*var_1_15_Pointer) [L113] EXPR (((*(var_1_15_Pointer))) < 0 ) ? -((*(var_1_15_Pointer))) : ((*(var_1_15_Pointer))) VAL [isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L113] EXPR \read(*var_1_15_Pointer) VAL [isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L113] EXPR ((((((*(var_1_15_Pointer))) < 0 ) ? -((*(var_1_15_Pointer))) : ((*(var_1_15_Pointer))))) > (*(var_1_15_Pointer))) ? ((((*(var_1_15_Pointer)) / -5) >= (((*(var_1_4_Pointer)) + (*(var_1_15_Pointer))) - (((((*(var_1_1_Pointer))) < ((*(var_1_3_Pointer)))) ? ((*(var_1_1_Pointer))) : ((*(var_1_3_Pointer))))))) ? ((*(var_1_11_Pointer)) == ((double) ((*(var_1_13_Pointer)) + (*(var_1_14_Pointer))))) : ((*(var_1_11_Pointer)) == ((double) (*(var_1_14_Pointer))))) : 1 [L113] EXPR ((((((*(var_1_15_Pointer))) < 0 ) ? -((*(var_1_15_Pointer))) : ((*(var_1_15_Pointer))))) > (*(var_1_15_Pointer))) ? ((((*(var_1_15_Pointer)) / -5) >= (((*(var_1_4_Pointer)) + (*(var_1_15_Pointer))) - (((((*(var_1_1_Pointer))) < ((*(var_1_3_Pointer)))) ? ((*(var_1_1_Pointer))) : ((*(var_1_3_Pointer))))))) ? ((*(var_1_11_Pointer)) == ((double) ((*(var_1_13_Pointer)) + (*(var_1_14_Pointer))))) : ((*(var_1_11_Pointer)) == ((double) (*(var_1_14_Pointer))))) : 1 VAL [isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L113] EXPR (((! last_1_var_1_5) ? ((*(var_1_1_Pointer)) == ((unsigned short int) (((((*(var_1_3_Pointer))) < ((*(var_1_4_Pointer)))) ? ((*(var_1_3_Pointer))) : ((*(var_1_4_Pointer))))))) : ((*(var_1_1_Pointer)) == ((unsigned short int) (*(var_1_4_Pointer))))) && ((*(var_1_2_Pointer)) ? (((*(var_1_6_Pointer)) && (((*(var_1_3_Pointer)) >= 16) || last_1_var_1_5)) ? ((*(var_1_6_Pointer)) ? ((*(var_1_5_Pointer)) == ((unsigned char) (((*(var_1_1_Pointer)) < (*(var_1_1_Pointer))) && (*(var_1_9_Pointer))))) : ((*(var_1_5_Pointer)) == ((unsigned char) (*(var_1_10_Pointer))))) : 1) : 1)) && (((((((*(var_1_15_Pointer))) < 0 ) ? -((*(var_1_15_Pointer))) : ((*(var_1_15_Pointer))))) > (*(var_1_15_Pointer))) ? ((((*(var_1_15_Pointer)) / -5) >= (((*(var_1_4_Pointer)) + (*(var_1_15_Pointer))) - (((((*(var_1_1_Pointer))) < ((*(var_1_3_Pointer)))) ? ((*(var_1_1_Pointer))) : ((*(var_1_3_Pointer))))))) ? ((*(var_1_11_Pointer)) == ((double) ((*(var_1_13_Pointer)) + (*(var_1_14_Pointer))))) : ((*(var_1_11_Pointer)) == ((double) (*(var_1_14_Pointer))))) : 1) VAL [isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L113] EXPR ((((! last_1_var_1_5) ? ((*(var_1_1_Pointer)) == ((unsigned short int) (((((*(var_1_3_Pointer))) < ((*(var_1_4_Pointer)))) ? ((*(var_1_3_Pointer))) : ((*(var_1_4_Pointer))))))) : ((*(var_1_1_Pointer)) == ((unsigned short int) (*(var_1_4_Pointer))))) && ((*(var_1_2_Pointer)) ? (((*(var_1_6_Pointer)) && (((*(var_1_3_Pointer)) >= 16) || last_1_var_1_5)) ? ((*(var_1_6_Pointer)) ? ((*(var_1_5_Pointer)) == ((unsigned char) (((*(var_1_1_Pointer)) < (*(var_1_1_Pointer))) && (*(var_1_9_Pointer))))) : ((*(var_1_5_Pointer)) == ((unsigned char) (*(var_1_10_Pointer))))) : 1) : 1)) && (((((((*(var_1_15_Pointer))) < 0 ) ? -((*(var_1_15_Pointer))) : ((*(var_1_15_Pointer))))) > (*(var_1_15_Pointer))) ? ((((*(var_1_15_Pointer)) / -5) >= (((*(var_1_4_Pointer)) + (*(var_1_15_Pointer))) - (((((*(var_1_1_Pointer))) < ((*(var_1_3_Pointer)))) ? ((*(var_1_1_Pointer))) : ((*(var_1_3_Pointer))))))) ? ((*(var_1_11_Pointer)) == ((double) ((*(var_1_13_Pointer)) + (*(var_1_14_Pointer))))) : ((*(var_1_11_Pointer)) == ((double) (*(var_1_14_Pointer))))) : 1)) && ((*(var_1_15_Pointer)) == ((signed long int) (*(var_1_1_Pointer)))) VAL [isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L113] EXPR ((((! last_1_var_1_5) ? ((*(var_1_1_Pointer)) == ((unsigned short int) (((((*(var_1_3_Pointer))) < ((*(var_1_4_Pointer)))) ? ((*(var_1_3_Pointer))) : ((*(var_1_4_Pointer))))))) : ((*(var_1_1_Pointer)) == ((unsigned short int) (*(var_1_4_Pointer))))) && ((*(var_1_2_Pointer)) ? (((*(var_1_6_Pointer)) && (((*(var_1_3_Pointer)) >= 16) || last_1_var_1_5)) ? ((*(var_1_6_Pointer)) ? ((*(var_1_5_Pointer)) == ((unsigned char) (((*(var_1_1_Pointer)) < (*(var_1_1_Pointer))) && (*(var_1_9_Pointer))))) : ((*(var_1_5_Pointer)) == ((unsigned char) (*(var_1_10_Pointer))))) : 1) : 1)) && (((((((*(var_1_15_Pointer))) < 0 ) ? -((*(var_1_15_Pointer))) : ((*(var_1_15_Pointer))))) > (*(var_1_15_Pointer))) ? ((((*(var_1_15_Pointer)) / -5) >= (((*(var_1_4_Pointer)) + (*(var_1_15_Pointer))) - (((((*(var_1_1_Pointer))) < ((*(var_1_3_Pointer)))) ? ((*(var_1_1_Pointer))) : ((*(var_1_3_Pointer))))))) ? ((*(var_1_11_Pointer)) == ((double) ((*(var_1_13_Pointer)) + (*(var_1_14_Pointer))))) : ((*(var_1_11_Pointer)) == ((double) (*(var_1_14_Pointer))))) : 1)) && ((*(var_1_15_Pointer)) == ((signed long int) (*(var_1_1_Pointer)))) [L113] EXPR \read(*var_1_15_Pointer) [L113] EXPR \read(*var_1_1_Pointer) [L113] EXPR ((((! last_1_var_1_5) ? ((*(var_1_1_Pointer)) == ((unsigned short int) (((((*(var_1_3_Pointer))) < ((*(var_1_4_Pointer)))) ? ((*(var_1_3_Pointer))) : ((*(var_1_4_Pointer))))))) : ((*(var_1_1_Pointer)) == ((unsigned short int) (*(var_1_4_Pointer))))) && ((*(var_1_2_Pointer)) ? (((*(var_1_6_Pointer)) && (((*(var_1_3_Pointer)) >= 16) || last_1_var_1_5)) ? ((*(var_1_6_Pointer)) ? ((*(var_1_5_Pointer)) == ((unsigned char) (((*(var_1_1_Pointer)) < (*(var_1_1_Pointer))) && (*(var_1_9_Pointer))))) : ((*(var_1_5_Pointer)) == ((unsigned char) (*(var_1_10_Pointer))))) : 1) : 1)) && (((((((*(var_1_15_Pointer))) < 0 ) ? -((*(var_1_15_Pointer))) : ((*(var_1_15_Pointer))))) > (*(var_1_15_Pointer))) ? ((((*(var_1_15_Pointer)) / -5) >= (((*(var_1_4_Pointer)) + (*(var_1_15_Pointer))) - (((((*(var_1_1_Pointer))) < ((*(var_1_3_Pointer)))) ? ((*(var_1_1_Pointer))) : ((*(var_1_3_Pointer))))))) ? ((*(var_1_11_Pointer)) == ((double) ((*(var_1_13_Pointer)) + (*(var_1_14_Pointer))))) : ((*(var_1_11_Pointer)) == ((double) (*(var_1_14_Pointer))))) : 1)) && ((*(var_1_15_Pointer)) == ((signed long int) (*(var_1_1_Pointer)))) VAL [isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L113] EXPR (((((! last_1_var_1_5) ? ((*(var_1_1_Pointer)) == ((unsigned short int) (((((*(var_1_3_Pointer))) < ((*(var_1_4_Pointer)))) ? ((*(var_1_3_Pointer))) : ((*(var_1_4_Pointer))))))) : ((*(var_1_1_Pointer)) == ((unsigned short int) (*(var_1_4_Pointer))))) && ((*(var_1_2_Pointer)) ? (((*(var_1_6_Pointer)) && (((*(var_1_3_Pointer)) >= 16) || last_1_var_1_5)) ? ((*(var_1_6_Pointer)) ? ((*(var_1_5_Pointer)) == ((unsigned char) (((*(var_1_1_Pointer)) < (*(var_1_1_Pointer))) && (*(var_1_9_Pointer))))) : ((*(var_1_5_Pointer)) == ((unsigned char) (*(var_1_10_Pointer))))) : 1) : 1)) && (((((((*(var_1_15_Pointer))) < 0 ) ? -((*(var_1_15_Pointer))) : ((*(var_1_15_Pointer))))) > (*(var_1_15_Pointer))) ? ((((*(var_1_15_Pointer)) / -5) >= (((*(var_1_4_Pointer)) + (*(var_1_15_Pointer))) - (((((*(var_1_1_Pointer))) < ((*(var_1_3_Pointer)))) ? ((*(var_1_1_Pointer))) : ((*(var_1_3_Pointer))))))) ? ((*(var_1_11_Pointer)) == ((double) ((*(var_1_13_Pointer)) + (*(var_1_14_Pointer))))) : ((*(var_1_11_Pointer)) == ((double) (*(var_1_14_Pointer))))) : 1)) && ((*(var_1_15_Pointer)) == ((signed long int) (*(var_1_1_Pointer))))) && ((*(var_1_16_Pointer)) == ((float) (*(var_1_13_Pointer)))) VAL [isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L113] EXPR (((((! last_1_var_1_5) ? ((*(var_1_1_Pointer)) == ((unsigned short int) (((((*(var_1_3_Pointer))) < ((*(var_1_4_Pointer)))) ? ((*(var_1_3_Pointer))) : ((*(var_1_4_Pointer))))))) : ((*(var_1_1_Pointer)) == ((unsigned short int) (*(var_1_4_Pointer))))) && ((*(var_1_2_Pointer)) ? (((*(var_1_6_Pointer)) && (((*(var_1_3_Pointer)) >= 16) || last_1_var_1_5)) ? ((*(var_1_6_Pointer)) ? ((*(var_1_5_Pointer)) == ((unsigned char) (((*(var_1_1_Pointer)) < (*(var_1_1_Pointer))) && (*(var_1_9_Pointer))))) : ((*(var_1_5_Pointer)) == ((unsigned char) (*(var_1_10_Pointer))))) : 1) : 1)) && (((((((*(var_1_15_Pointer))) < 0 ) ? -((*(var_1_15_Pointer))) : ((*(var_1_15_Pointer))))) > (*(var_1_15_Pointer))) ? ((((*(var_1_15_Pointer)) / -5) >= (((*(var_1_4_Pointer)) + (*(var_1_15_Pointer))) - (((((*(var_1_1_Pointer))) < ((*(var_1_3_Pointer)))) ? ((*(var_1_1_Pointer))) : ((*(var_1_3_Pointer))))))) ? ((*(var_1_11_Pointer)) == ((double) ((*(var_1_13_Pointer)) + (*(var_1_14_Pointer))))) : ((*(var_1_11_Pointer)) == ((double) (*(var_1_14_Pointer))))) : 1)) && ((*(var_1_15_Pointer)) == ((signed long int) (*(var_1_1_Pointer))))) && ((*(var_1_16_Pointer)) == ((float) (*(var_1_13_Pointer)))) [L113] EXPR \read(*var_1_16_Pointer) [L113] EXPR \read(*var_1_13_Pointer) [L113] EXPR (((((! last_1_var_1_5) ? ((*(var_1_1_Pointer)) == ((unsigned short int) (((((*(var_1_3_Pointer))) < ((*(var_1_4_Pointer)))) ? ((*(var_1_3_Pointer))) : ((*(var_1_4_Pointer))))))) : ((*(var_1_1_Pointer)) == ((unsigned short int) (*(var_1_4_Pointer))))) && ((*(var_1_2_Pointer)) ? (((*(var_1_6_Pointer)) && (((*(var_1_3_Pointer)) >= 16) || last_1_var_1_5)) ? ((*(var_1_6_Pointer)) ? ((*(var_1_5_Pointer)) == ((unsigned char) (((*(var_1_1_Pointer)) < (*(var_1_1_Pointer))) && (*(var_1_9_Pointer))))) : ((*(var_1_5_Pointer)) == ((unsigned char) (*(var_1_10_Pointer))))) : 1) : 1)) && (((((((*(var_1_15_Pointer))) < 0 ) ? -((*(var_1_15_Pointer))) : ((*(var_1_15_Pointer))))) > (*(var_1_15_Pointer))) ? ((((*(var_1_15_Pointer)) / -5) >= (((*(var_1_4_Pointer)) + (*(var_1_15_Pointer))) - (((((*(var_1_1_Pointer))) < ((*(var_1_3_Pointer)))) ? ((*(var_1_1_Pointer))) : ((*(var_1_3_Pointer))))))) ? ((*(var_1_11_Pointer)) == ((double) ((*(var_1_13_Pointer)) + (*(var_1_14_Pointer))))) : ((*(var_1_11_Pointer)) == ((double) (*(var_1_14_Pointer))))) : 1)) && ((*(var_1_15_Pointer)) == ((signed long int) (*(var_1_1_Pointer))))) && ((*(var_1_16_Pointer)) == ((float) (*(var_1_13_Pointer)))) VAL [isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L113] EXPR ((((((! last_1_var_1_5) ? ((*(var_1_1_Pointer)) == ((unsigned short int) (((((*(var_1_3_Pointer))) < ((*(var_1_4_Pointer)))) ? ((*(var_1_3_Pointer))) : ((*(var_1_4_Pointer))))))) : ((*(var_1_1_Pointer)) == ((unsigned short int) (*(var_1_4_Pointer))))) && ((*(var_1_2_Pointer)) ? (((*(var_1_6_Pointer)) && (((*(var_1_3_Pointer)) >= 16) || last_1_var_1_5)) ? ((*(var_1_6_Pointer)) ? ((*(var_1_5_Pointer)) == ((unsigned char) (((*(var_1_1_Pointer)) < (*(var_1_1_Pointer))) && (*(var_1_9_Pointer))))) : ((*(var_1_5_Pointer)) == ((unsigned char) (*(var_1_10_Pointer))))) : 1) : 1)) && (((((((*(var_1_15_Pointer))) < 0 ) ? -((*(var_1_15_Pointer))) : ((*(var_1_15_Pointer))))) > (*(var_1_15_Pointer))) ? ((((*(var_1_15_Pointer)) / -5) >= (((*(var_1_4_Pointer)) + (*(var_1_15_Pointer))) - (((((*(var_1_1_Pointer))) < ((*(var_1_3_Pointer)))) ? ((*(var_1_1_Pointer))) : ((*(var_1_3_Pointer))))))) ? ((*(var_1_11_Pointer)) == ((double) ((*(var_1_13_Pointer)) + (*(var_1_14_Pointer))))) : ((*(var_1_11_Pointer)) == ((double) (*(var_1_14_Pointer))))) : 1)) && ((*(var_1_15_Pointer)) == ((signed long int) (*(var_1_1_Pointer))))) && ((*(var_1_16_Pointer)) == ((float) (*(var_1_13_Pointer))))) && ((*(var_1_17_Pointer)) == ((signed char) (*(var_1_18_Pointer)))) VAL [isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L113] EXPR ((((((! last_1_var_1_5) ? ((*(var_1_1_Pointer)) == ((unsigned short int) (((((*(var_1_3_Pointer))) < ((*(var_1_4_Pointer)))) ? ((*(var_1_3_Pointer))) : ((*(var_1_4_Pointer))))))) : ((*(var_1_1_Pointer)) == ((unsigned short int) (*(var_1_4_Pointer))))) && ((*(var_1_2_Pointer)) ? (((*(var_1_6_Pointer)) && (((*(var_1_3_Pointer)) >= 16) || last_1_var_1_5)) ? ((*(var_1_6_Pointer)) ? ((*(var_1_5_Pointer)) == ((unsigned char) (((*(var_1_1_Pointer)) < (*(var_1_1_Pointer))) && (*(var_1_9_Pointer))))) : ((*(var_1_5_Pointer)) == ((unsigned char) (*(var_1_10_Pointer))))) : 1) : 1)) && (((((((*(var_1_15_Pointer))) < 0 ) ? -((*(var_1_15_Pointer))) : ((*(var_1_15_Pointer))))) > (*(var_1_15_Pointer))) ? ((((*(var_1_15_Pointer)) / -5) >= (((*(var_1_4_Pointer)) + (*(var_1_15_Pointer))) - (((((*(var_1_1_Pointer))) < ((*(var_1_3_Pointer)))) ? ((*(var_1_1_Pointer))) : ((*(var_1_3_Pointer))))))) ? ((*(var_1_11_Pointer)) == ((double) ((*(var_1_13_Pointer)) + (*(var_1_14_Pointer))))) : ((*(var_1_11_Pointer)) == ((double) (*(var_1_14_Pointer))))) : 1)) && ((*(var_1_15_Pointer)) == ((signed long int) (*(var_1_1_Pointer))))) && ((*(var_1_16_Pointer)) == ((float) (*(var_1_13_Pointer))))) && ((*(var_1_17_Pointer)) == ((signed char) (*(var_1_18_Pointer)))) VAL [isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L113-L114] return ((((((! last_1_var_1_5) ? ((*(var_1_1_Pointer)) == ((unsigned short int) (((((*(var_1_3_Pointer))) < ((*(var_1_4_Pointer)))) ? ((*(var_1_3_Pointer))) : ((*(var_1_4_Pointer))))))) : ((*(var_1_1_Pointer)) == ((unsigned short int) (*(var_1_4_Pointer))))) && ((*(var_1_2_Pointer)) ? (((*(var_1_6_Pointer)) && (((*(var_1_3_Pointer)) >= 16) || last_1_var_1_5)) ? ((*(var_1_6_Pointer)) ? ((*(var_1_5_Pointer)) == ((unsigned char) (((*(var_1_1_Pointer)) < (*(var_1_1_Pointer))) && (*(var_1_9_Pointer))))) : ((*(var_1_5_Pointer)) == ((unsigned char) (*(var_1_10_Pointer))))) : 1) : 1)) && (((((((*(var_1_15_Pointer))) < 0 ) ? -((*(var_1_15_Pointer))) : ((*(var_1_15_Pointer))))) > (*(var_1_15_Pointer))) ? ((((*(var_1_15_Pointer)) / -5) >= (((*(var_1_4_Pointer)) + (*(var_1_15_Pointer))) - (((((*(var_1_1_Pointer))) < ((*(var_1_3_Pointer)))) ? ((*(var_1_1_Pointer))) : ((*(var_1_3_Pointer))))))) ? ((*(var_1_11_Pointer)) == ((double) ((*(var_1_13_Pointer)) + (*(var_1_14_Pointer))))) : ((*(var_1_11_Pointer)) == ((double) (*(var_1_14_Pointer))))) : 1)) && ((*(var_1_15_Pointer)) == ((signed long int) (*(var_1_1_Pointer))))) && ((*(var_1_16_Pointer)) == ((float) (*(var_1_13_Pointer))))) && ((*(var_1_17_Pointer)) == ((signed char) (*(var_1_18_Pointer)))) ; [L123] RET, EXPR property() [L123] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L19] reach_error() VAL [isInitial=1, last_1_var_1_5=1, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 108 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 8.2s, OverallIterations: 14, TraceHistogramMax: 16, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 1.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1037 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1037 mSDsluCounter, 6802 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4623 mSDsCounter, 94 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 485 IncrementalHoareTripleChecker+Invalid, 579 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 94 mSolverCounterUnsat, 2179 mSDtfsCounter, 485 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 507 GetRequests, 463 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=352occurred in iteration=13, InterpolantAutomatonStates: 58, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 13 MinimizatonAttempts, 125 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 4.7s InterpolantComputationTime, 1867 NumberOfCodeBlocks, 1867 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1717 ConstructedInterpolants, 0 QuantifiedInterpolants, 2409 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 13 PerfectInterpolantSequences, 6240/6240 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 [2024-11-08 17:41:06,839 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-96.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX --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 a853c07cdb9387b63b93be13a2dc9697d60053474c0652611eb00fce1c18c0e9 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 17:41:09,486 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 17:41:09,597 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-08 17:41:09,606 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 17:41:09,607 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 17:41:09,661 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 17:41:09,661 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 17:41:09,664 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 17:41:09,665 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 17:41:09,665 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 17:41:09,666 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 17:41:09,667 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 17:41:09,667 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 17:41:09,669 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 17:41:09,671 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 17:41:09,672 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 17:41:09,672 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 17:41:09,673 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 17:41:09,673 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 17:41:09,673 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 17:41:09,677 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 17:41:09,678 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 17:41:09,678 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 17:41:09,679 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 17:41:09,679 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 17:41:09,679 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 17:41:09,680 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 17:41:09,680 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 17:41:09,680 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 17:41:09,681 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 17:41:09,681 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 17:41:09,682 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 17:41:09,683 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 17:41:09,684 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 17:41:09,685 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:41:09,685 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 17:41:09,685 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 17:41:09,686 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 17:41:09,687 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-08 17:41:09,687 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 17:41:09,687 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 17:41:09,688 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 17:41:09,688 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 17:41:09,688 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 17:41:09,688 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_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a853c07cdb9387b63b93be13a2dc9697d60053474c0652611eb00fce1c18c0e9 [2024-11-08 17:41:10,083 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 17:41:10,110 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 17:41:10,113 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 17:41:10,114 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 17:41:10,115 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 17:41:10,116 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-96.i Unable to find full path for "g++" [2024-11-08 17:41:12,276 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 17:41:12,526 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 17:41:12,527 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-96.i [2024-11-08 17:41:12,538 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/data/64d8bca39/962d68ccf1ec49c78a02bd9f0fe77c3e/FLAGe758c60b3 [2024-11-08 17:41:12,868 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/data/64d8bca39/962d68ccf1ec49c78a02bd9f0fe77c3e [2024-11-08 17:41:12,870 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 17:41:12,872 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 17:41:12,874 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 17:41:12,874 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 17:41:12,881 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 17:41:12,882 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:41:12" (1/1) ... [2024-11-08 17:41:12,884 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@692dde89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:41:12, skipping insertion in model container [2024-11-08 17:41:12,884 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:41:12" (1/1) ... [2024-11-08 17:41:12,917 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 17:41:13,119 WARN L250 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_709aa6bc-1b18-460a-ba0a-d71adf5cb849/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-96.i[916,929] [2024-11-08 17:41:13,184 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:41:13,217 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 17:41:13,236 WARN L250 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_709aa6bc-1b18-460a-ba0a-d71adf5cb849/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-96.i[916,929] [2024-11-08 17:41:13,330 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:41:13,381 INFO L204 MainTranslator]: Completed translation [2024-11-08 17:41:13,382 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:41:13 WrapperNode [2024-11-08 17:41:13,382 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 17:41:13,384 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 17:41:13,384 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 17:41:13,384 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 17:41:13,393 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:41:13" (1/1) ... [2024-11-08 17:41:13,422 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:41:13" (1/1) ... [2024-11-08 17:41:13,486 INFO L138 Inliner]: procedures = 39, calls = 169, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 518 [2024-11-08 17:41:13,487 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 17:41:13,492 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 17:41:13,492 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 17:41:13,493 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 17:41:13,514 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:41:13" (1/1) ... [2024-11-08 17:41:13,515 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:41:13" (1/1) ... [2024-11-08 17:41:13,523 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:41:13" (1/1) ... [2024-11-08 17:41:13,592 INFO L175 MemorySlicer]: Split 127 memory accesses to 16 slices as follows [2, 15, 6, 14, 12, 6, 8, 6, 6, 5, 10, 10, 15, 3, 3, 6]. 12 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]. The 18 writes are split as follows [0, 2, 1, 1, 1, 2, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1]. [2024-11-08 17:41:13,594 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:41:13" (1/1) ... [2024-11-08 17:41:13,594 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:41:13" (1/1) ... [2024-11-08 17:41:13,651 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:41:13" (1/1) ... [2024-11-08 17:41:13,660 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:41:13" (1/1) ... [2024-11-08 17:41:13,675 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:41:13" (1/1) ... [2024-11-08 17:41:13,680 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:41:13" (1/1) ... [2024-11-08 17:41:13,691 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 17:41:13,692 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 17:41:13,692 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 17:41:13,692 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 17:41:13,693 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:41:13" (1/1) ... [2024-11-08 17:41:13,706 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:41:13,721 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:41:13,740 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 17:41:13,747 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 17:41:13,789 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 17:41:13,789 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#0 [2024-11-08 17:41:13,789 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#1 [2024-11-08 17:41:13,790 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#2 [2024-11-08 17:41:13,790 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#3 [2024-11-08 17:41:13,792 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#4 [2024-11-08 17:41:13,793 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#5 [2024-11-08 17:41:13,793 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#6 [2024-11-08 17:41:13,794 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#7 [2024-11-08 17:41:13,794 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#8 [2024-11-08 17:41:13,794 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#9 [2024-11-08 17:41:13,795 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#10 [2024-11-08 17:41:13,795 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#11 [2024-11-08 17:41:13,795 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#12 [2024-11-08 17:41:13,795 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#13 [2024-11-08 17:41:13,796 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#14 [2024-11-08 17:41:13,796 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#15 [2024-11-08 17:41:13,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#0 [2024-11-08 17:41:13,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#1 [2024-11-08 17:41:13,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#2 [2024-11-08 17:41:13,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#3 [2024-11-08 17:41:13,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#4 [2024-11-08 17:41:13,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#5 [2024-11-08 17:41:13,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#6 [2024-11-08 17:41:13,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#7 [2024-11-08 17:41:13,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#8 [2024-11-08 17:41:13,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#9 [2024-11-08 17:41:13,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#10 [2024-11-08 17:41:13,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#11 [2024-11-08 17:41:13,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#12 [2024-11-08 17:41:13,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#13 [2024-11-08 17:41:13,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#14 [2024-11-08 17:41:13,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#15 [2024-11-08 17:41:13,804 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-08 17:41:13,804 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-08 17:41:13,805 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-11-08 17:41:13,805 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-11-08 17:41:13,805 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2024-11-08 17:41:13,805 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#5 [2024-11-08 17:41:13,806 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#6 [2024-11-08 17:41:13,807 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#7 [2024-11-08 17:41:13,807 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#8 [2024-11-08 17:41:13,807 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#9 [2024-11-08 17:41:13,807 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#10 [2024-11-08 17:41:13,808 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#11 [2024-11-08 17:41:13,808 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#12 [2024-11-08 17:41:13,808 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#13 [2024-11-08 17:41:13,808 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#14 [2024-11-08 17:41:13,808 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#15 [2024-11-08 17:41:13,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#0 [2024-11-08 17:41:13,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#1 [2024-11-08 17:41:13,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#2 [2024-11-08 17:41:13,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#3 [2024-11-08 17:41:13,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#4 [2024-11-08 17:41:13,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#5 [2024-11-08 17:41:13,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#6 [2024-11-08 17:41:13,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#7 [2024-11-08 17:41:13,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#8 [2024-11-08 17:41:13,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#9 [2024-11-08 17:41:13,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#10 [2024-11-08 17:41:13,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#11 [2024-11-08 17:41:13,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#12 [2024-11-08 17:41:13,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#13 [2024-11-08 17:41:13,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#14 [2024-11-08 17:41:13,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#15 [2024-11-08 17:41:13,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-08 17:41:13,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-08 17:41:13,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-08 17:41:13,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-08 17:41:13,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-08 17:41:13,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-08 17:41:13,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-11-08 17:41:13,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2024-11-08 17:41:13,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2024-11-08 17:41:13,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9 [2024-11-08 17:41:13,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#10 [2024-11-08 17:41:13,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#11 [2024-11-08 17:41:13,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#12 [2024-11-08 17:41:13,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#13 [2024-11-08 17:41:13,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#14 [2024-11-08 17:41:13,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#15 [2024-11-08 17:41:13,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-11-08 17:41:13,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-11-08 17:41:13,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-11-08 17:41:13,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2024-11-08 17:41:13,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#4 [2024-11-08 17:41:13,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#5 [2024-11-08 17:41:13,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#6 [2024-11-08 17:41:13,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#7 [2024-11-08 17:41:13,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#8 [2024-11-08 17:41:13,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#9 [2024-11-08 17:41:13,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#10 [2024-11-08 17:41:13,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#11 [2024-11-08 17:41:13,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#12 [2024-11-08 17:41:13,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#13 [2024-11-08 17:41:13,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#14 [2024-11-08 17:41:13,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#15 [2024-11-08 17:41:13,822 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2024-11-08 17:41:13,822 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2024-11-08 17:41:13,822 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2 [2024-11-08 17:41:13,823 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3 [2024-11-08 17:41:13,823 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#4 [2024-11-08 17:41:13,823 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#5 [2024-11-08 17:41:13,823 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#6 [2024-11-08 17:41:13,823 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#7 [2024-11-08 17:41:13,823 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#8 [2024-11-08 17:41:13,824 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#9 [2024-11-08 17:41:13,824 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#10 [2024-11-08 17:41:13,824 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#11 [2024-11-08 17:41:13,824 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#12 [2024-11-08 17:41:13,824 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#13 [2024-11-08 17:41:13,824 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#14 [2024-11-08 17:41:13,825 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#15 [2024-11-08 17:41:13,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#0 [2024-11-08 17:41:13,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#1 [2024-11-08 17:41:13,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#2 [2024-11-08 17:41:13,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#3 [2024-11-08 17:41:13,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#4 [2024-11-08 17:41:13,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#5 [2024-11-08 17:41:13,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#6 [2024-11-08 17:41:13,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#7 [2024-11-08 17:41:13,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#8 [2024-11-08 17:41:13,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#9 [2024-11-08 17:41:13,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#10 [2024-11-08 17:41:13,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#11 [2024-11-08 17:41:13,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#12 [2024-11-08 17:41:13,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#13 [2024-11-08 17:41:13,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#14 [2024-11-08 17:41:13,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#15 [2024-11-08 17:41:13,830 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-08 17:41:13,830 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-08 17:41:13,831 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-08 17:41:13,831 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-08 17:41:13,832 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-11-08 17:41:13,833 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-11-08 17:41:13,833 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2024-11-08 17:41:13,833 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2024-11-08 17:41:13,833 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8 [2024-11-08 17:41:13,834 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#9 [2024-11-08 17:41:13,834 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#10 [2024-11-08 17:41:13,834 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#11 [2024-11-08 17:41:13,834 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#12 [2024-11-08 17:41:13,835 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#13 [2024-11-08 17:41:13,835 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#14 [2024-11-08 17:41:13,835 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#15 [2024-11-08 17:41:13,835 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#0 [2024-11-08 17:41:13,835 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#1 [2024-11-08 17:41:13,836 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#2 [2024-11-08 17:41:13,837 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#3 [2024-11-08 17:41:13,838 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#4 [2024-11-08 17:41:13,838 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#5 [2024-11-08 17:41:13,838 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#6 [2024-11-08 17:41:13,838 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#7 [2024-11-08 17:41:13,838 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#8 [2024-11-08 17:41:13,838 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#9 [2024-11-08 17:41:13,839 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#10 [2024-11-08 17:41:13,839 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#11 [2024-11-08 17:41:13,839 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#12 [2024-11-08 17:41:13,839 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#13 [2024-11-08 17:41:13,839 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#14 [2024-11-08 17:41:13,839 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#15 [2024-11-08 17:41:13,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2024-11-08 17:41:13,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2024-11-08 17:41:13,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2 [2024-11-08 17:41:13,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3 [2024-11-08 17:41:13,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#4 [2024-11-08 17:41:13,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#5 [2024-11-08 17:41:13,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#6 [2024-11-08 17:41:13,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#7 [2024-11-08 17:41:13,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#8 [2024-11-08 17:41:13,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#9 [2024-11-08 17:41:13,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#10 [2024-11-08 17:41:13,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#11 [2024-11-08 17:41:13,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#12 [2024-11-08 17:41:13,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#13 [2024-11-08 17:41:13,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#14 [2024-11-08 17:41:13,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#15 [2024-11-08 17:41:13,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#0 [2024-11-08 17:41:13,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#1 [2024-11-08 17:41:13,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#2 [2024-11-08 17:41:13,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#3 [2024-11-08 17:41:13,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#4 [2024-11-08 17:41:13,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#5 [2024-11-08 17:41:13,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#6 [2024-11-08 17:41:13,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#7 [2024-11-08 17:41:13,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#8 [2024-11-08 17:41:13,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#9 [2024-11-08 17:41:13,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#10 [2024-11-08 17:41:13,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#11 [2024-11-08 17:41:13,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#12 [2024-11-08 17:41:13,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#13 [2024-11-08 17:41:13,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#14 [2024-11-08 17:41:13,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#15 [2024-11-08 17:41:13,851 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 17:41:13,851 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 17:41:13,851 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 17:41:13,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 17:41:13,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-08 17:41:13,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-08 17:41:13,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-11-08 17:41:13,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-11-08 17:41:13,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2024-11-08 17:41:13,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#5 [2024-11-08 17:41:13,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#6 [2024-11-08 17:41:13,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#7 [2024-11-08 17:41:13,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#8 [2024-11-08 17:41:13,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#9 [2024-11-08 17:41:13,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#10 [2024-11-08 17:41:13,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#11 [2024-11-08 17:41:13,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#12 [2024-11-08 17:41:13,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#13 [2024-11-08 17:41:13,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#14 [2024-11-08 17:41:13,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#15 [2024-11-08 17:41:13,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#0 [2024-11-08 17:41:13,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#1 [2024-11-08 17:41:13,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#2 [2024-11-08 17:41:13,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#3 [2024-11-08 17:41:13,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#4 [2024-11-08 17:41:13,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#5 [2024-11-08 17:41:13,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#6 [2024-11-08 17:41:13,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#7 [2024-11-08 17:41:13,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#8 [2024-11-08 17:41:13,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#9 [2024-11-08 17:41:13,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#10 [2024-11-08 17:41:13,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#11 [2024-11-08 17:41:13,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#12 [2024-11-08 17:41:13,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#13 [2024-11-08 17:41:13,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#14 [2024-11-08 17:41:13,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#15 [2024-11-08 17:41:13,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-08 17:41:13,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-08 17:41:13,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-08 17:41:13,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-08 17:41:13,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-11-08 17:41:13,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-11-08 17:41:13,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2024-11-08 17:41:13,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2024-11-08 17:41:13,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#8 [2024-11-08 17:41:13,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#9 [2024-11-08 17:41:13,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#10 [2024-11-08 17:41:13,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#11 [2024-11-08 17:41:13,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#12 [2024-11-08 17:41:13,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#13 [2024-11-08 17:41:13,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#14 [2024-11-08 17:41:13,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#15 [2024-11-08 17:41:14,272 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 17:41:14,275 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 17:41:15,939 INFO L? ?]: Removed 113 outVars from TransFormulas that were not future-live. [2024-11-08 17:41:15,939 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 17:41:15,955 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 17:41:15,955 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 17:41:15,956 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:41:15 BoogieIcfgContainer [2024-11-08 17:41:15,956 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 17:41:15,958 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 17:41:15,958 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 17:41:15,962 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 17:41:15,962 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 05:41:12" (1/3) ... [2024-11-08 17:41:15,963 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64ef7dd3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:41:15, skipping insertion in model container [2024-11-08 17:41:15,963 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:41:13" (2/3) ... [2024-11-08 17:41:15,963 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64ef7dd3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:41:15, skipping insertion in model container [2024-11-08 17:41:15,964 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:41:15" (3/3) ... [2024-11-08 17:41:15,965 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-p_file-96.i [2024-11-08 17:41:15,985 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 17:41:15,985 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 17:41:16,079 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 17:41:16,086 INFO L333 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, 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;@55f833f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 17:41:16,086 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 17:41:16,091 INFO L276 IsEmpty]: Start isEmpty. Operand has 108 states, 89 states have (on average 1.4269662921348314) internal successors, (127), 90 states have internal predecessors, (127), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-08 17:41:16,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-08 17:41:16,111 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:41:16,112 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:41:16,113 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:41:16,120 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:41:16,121 INFO L85 PathProgramCache]: Analyzing trace with hash 864937929, now seen corresponding path program 1 times [2024-11-08 17:41:16,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:41:16,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [688483017] [2024-11-08 17:41:16,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:41:16,145 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 [2024-11-08 17:41:16,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 17:41:16,147 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 17:41:16,151 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 17:41:16,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:16,807 INFO L255 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-08 17:41:16,817 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:41:16,882 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 254 proven. 0 refuted. 0 times theorem prover too weak. 226 trivial. 0 not checked. [2024-11-08 17:41:16,883 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 17:41:16,884 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 17:41:16,885 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [688483017] [2024-11-08 17:41:16,885 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [688483017] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:41:16,886 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:41:16,886 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 17:41:16,888 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [717619370] [2024-11-08 17:41:16,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:41:16,894 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 17:41:16,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 17:41:16,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 17:41:16,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 17:41:16,935 INFO L87 Difference]: Start difference. First operand has 108 states, 89 states have (on average 1.4269662921348314) internal successors, (127), 90 states have internal predecessors, (127), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-08 17:41:16,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:41:16,978 INFO L93 Difference]: Finished difference Result 209 states and 328 transitions. [2024-11-08 17:41:16,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 17:41:16,981 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 131 [2024-11-08 17:41:16,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:41:16,992 INFO L225 Difference]: With dead ends: 209 [2024-11-08 17:41:16,992 INFO L226 Difference]: Without dead ends: 104 [2024-11-08 17:41:16,996 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 17:41:17,004 INFO L432 NwaCegarLoop]: 152 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 17:41:17,006 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 152 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 17:41:17,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2024-11-08 17:41:17,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2024-11-08 17:41:17,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 86 states have (on average 1.3953488372093024) internal successors, (120), 86 states have internal predecessors, (120), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-08 17:41:17,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 152 transitions. [2024-11-08 17:41:17,091 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 152 transitions. Word has length 131 [2024-11-08 17:41:17,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:41:17,096 INFO L471 AbstractCegarLoop]: Abstraction has 104 states and 152 transitions. [2024-11-08 17:41:17,096 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-08 17:41:17,096 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 152 transitions. [2024-11-08 17:41:17,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-08 17:41:17,101 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:41:17,101 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:41:17,109 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/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)] Ended with exit code 0 [2024-11-08 17:41:17,302 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 17:41:17,302 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:41:17,303 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:41:17,303 INFO L85 PathProgramCache]: Analyzing trace with hash 1032802925, now seen corresponding path program 1 times [2024-11-08 17:41:17,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:41:17,305 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1727821313] [2024-11-08 17:41:17,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:41:17,305 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 [2024-11-08 17:41:17,306 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 17:41:17,309 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 17:41:17,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 17:41:17,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:17,925 INFO L255 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-08 17:41:17,940 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:41:18,038 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 9 treesize of output 5 [2024-11-08 17:41:18,068 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-08 17:41:18,069 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 17:41:18,070 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 17:41:18,071 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1727821313] [2024-11-08 17:41:18,071 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1727821313] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:41:18,072 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:41:18,074 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 17:41:18,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [698540253] [2024-11-08 17:41:18,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:41:18,076 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 17:41:18,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 17:41:18,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 17:41:18,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 17:41:18,079 INFO L87 Difference]: Start difference. First operand 104 states and 152 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-08 17:41:18,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:41:18,157 INFO L93 Difference]: Finished difference Result 205 states and 301 transitions. [2024-11-08 17:41:18,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 17:41:18,159 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 131 [2024-11-08 17:41:18,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:41:18,163 INFO L225 Difference]: With dead ends: 205 [2024-11-08 17:41:18,164 INFO L226 Difference]: Without dead ends: 104 [2024-11-08 17:41:18,166 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 17:41:18,168 INFO L432 NwaCegarLoop]: 150 mSDtfsCounter, 0 mSDsluCounter, 145 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 295 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 17:41:18,168 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 295 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 17:41:18,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2024-11-08 17:41:18,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2024-11-08 17:41:18,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 86 states have (on average 1.3837209302325582) internal successors, (119), 86 states have internal predecessors, (119), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-08 17:41:18,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 151 transitions. [2024-11-08 17:41:18,195 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 151 transitions. Word has length 131 [2024-11-08 17:41:18,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:41:18,199 INFO L471 AbstractCegarLoop]: Abstraction has 104 states and 151 transitions. [2024-11-08 17:41:18,200 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-08 17:41:18,200 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 151 transitions. [2024-11-08 17:41:18,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-08 17:41:18,204 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:41:18,204 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:41:18,215 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 17:41:18,405 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 17:41:18,405 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:41:18,406 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:41:18,406 INFO L85 PathProgramCache]: Analyzing trace with hash -656140817, now seen corresponding path program 1 times [2024-11-08 17:41:18,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:41:18,407 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [982611030] [2024-11-08 17:41:18,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:41:18,407 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 [2024-11-08 17:41:18,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 17:41:18,411 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 17:41:18,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 17:41:18,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:18,952 INFO L255 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 17:41:18,957 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:41:19,025 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-08 17:41:19,026 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 17:41:19,027 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 17:41:19,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [982611030] [2024-11-08 17:41:19,027 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [982611030] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:41:19,027 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:41:19,028 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 17:41:19,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342382318] [2024-11-08 17:41:19,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:41:19,029 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 17:41:19,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 17:41:19,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 17:41:19,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 17:41:19,030 INFO L87 Difference]: Start difference. First operand 104 states and 151 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-08 17:41:19,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:41:19,141 INFO L93 Difference]: Finished difference Result 210 states and 306 transitions. [2024-11-08 17:41:19,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 17:41:19,145 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 131 [2024-11-08 17:41:19,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:41:19,147 INFO L225 Difference]: With dead ends: 210 [2024-11-08 17:41:19,147 INFO L226 Difference]: Without dead ends: 109 [2024-11-08 17:41:19,152 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 17:41:19,153 INFO L432 NwaCegarLoop]: 146 mSDtfsCounter, 1 mSDsluCounter, 422 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 568 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 17:41:19,154 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 568 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 17:41:19,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2024-11-08 17:41:19,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 108. [2024-11-08 17:41:19,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 90 states have (on average 1.3666666666666667) internal successors, (123), 90 states have internal predecessors, (123), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-08 17:41:19,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 155 transitions. [2024-11-08 17:41:19,169 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 155 transitions. Word has length 131 [2024-11-08 17:41:19,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:41:19,170 INFO L471 AbstractCegarLoop]: Abstraction has 108 states and 155 transitions. [2024-11-08 17:41:19,171 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-08 17:41:19,171 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 155 transitions. [2024-11-08 17:41:19,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-08 17:41:19,180 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:41:19,181 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:41:19,193 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-11-08 17:41:19,381 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 17:41:19,382 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:41:19,382 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:41:19,382 INFO L85 PathProgramCache]: Analyzing trace with hash 23917553, now seen corresponding path program 1 times [2024-11-08 17:41:19,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:41:19,383 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [965626031] [2024-11-08 17:41:19,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:41:19,384 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 [2024-11-08 17:41:19,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 17:41:19,387 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 17:41:19,389 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 17:41:19,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:19,997 INFO L255 TraceCheckSpWp]: Trace formula consists of 353 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-08 17:41:20,003 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:41:20,080 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-08 17:41:20,080 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 17:41:20,080 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 17:41:20,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [965626031] [2024-11-08 17:41:20,081 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [965626031] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:41:20,081 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:41:20,081 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 17:41:20,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [448124661] [2024-11-08 17:41:20,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:41:20,082 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 17:41:20,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 17:41:20,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 17:41:20,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-08 17:41:20,087 INFO L87 Difference]: Start difference. First operand 108 states and 155 transitions. Second operand has 6 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-08 17:41:20,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:41:20,421 INFO L93 Difference]: Finished difference Result 216 states and 311 transitions. [2024-11-08 17:41:20,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 17:41:20,425 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 131 [2024-11-08 17:41:20,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:41:20,437 INFO L225 Difference]: With dead ends: 216 [2024-11-08 17:41:20,437 INFO L226 Difference]: Without dead ends: 111 [2024-11-08 17:41:20,438 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-08 17:41:20,439 INFO L432 NwaCegarLoop]: 144 mSDtfsCounter, 1 mSDsluCounter, 556 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 700 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-08 17:41:20,439 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 700 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-08 17:41:20,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2024-11-08 17:41:20,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 110. [2024-11-08 17:41:20,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 92 states have (on average 1.358695652173913) internal successors, (125), 92 states have internal predecessors, (125), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-08 17:41:20,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 157 transitions. [2024-11-08 17:41:20,451 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 157 transitions. Word has length 131 [2024-11-08 17:41:20,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:41:20,452 INFO L471 AbstractCegarLoop]: Abstraction has 110 states and 157 transitions. [2024-11-08 17:41:20,452 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-08 17:41:20,452 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 157 transitions. [2024-11-08 17:41:20,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-08 17:41:20,454 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:41:20,455 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:41:20,468 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2024-11-08 17:41:20,658 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 17:41:20,659 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:41:20,659 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:41:20,659 INFO L85 PathProgramCache]: Analyzing trace with hash 1798924915, now seen corresponding path program 1 times [2024-11-08 17:41:20,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:41:20,660 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1916056496] [2024-11-08 17:41:20,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:41:20,661 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 [2024-11-08 17:41:20,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 17:41:20,666 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 17:41:20,670 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 17:41:21,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:21,149 INFO L255 TraceCheckSpWp]: Trace formula consists of 350 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-08 17:41:21,153 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:41:21,232 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-08 17:41:21,232 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 17:41:21,232 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 17:41:21,232 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1916056496] [2024-11-08 17:41:21,233 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1916056496] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:41:21,233 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:41:21,233 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 17:41:21,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [991531410] [2024-11-08 17:41:21,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:41:21,234 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 17:41:21,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 17:41:21,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 17:41:21,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 17:41:21,236 INFO L87 Difference]: Start difference. First operand 110 states and 157 transitions. Second operand has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 7 states have internal predecessors, (54), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-08 17:41:21,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:41:21,551 INFO L93 Difference]: Finished difference Result 220 states and 315 transitions. [2024-11-08 17:41:21,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 17:41:21,553 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 7 states have internal predecessors, (54), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 131 [2024-11-08 17:41:21,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:41:21,555 INFO L225 Difference]: With dead ends: 220 [2024-11-08 17:41:21,555 INFO L226 Difference]: Without dead ends: 113 [2024-11-08 17:41:21,556 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 17:41:21,556 INFO L432 NwaCegarLoop]: 142 mSDtfsCounter, 1 mSDsluCounter, 691 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 833 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-08 17:41:21,556 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 833 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-08 17:41:21,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2024-11-08 17:41:21,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 112. [2024-11-08 17:41:21,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 94 states have (on average 1.351063829787234) internal successors, (127), 94 states have internal predecessors, (127), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-08 17:41:21,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 159 transitions. [2024-11-08 17:41:21,567 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 159 transitions. Word has length 131 [2024-11-08 17:41:21,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:41:21,568 INFO L471 AbstractCegarLoop]: Abstraction has 112 states and 159 transitions. [2024-11-08 17:41:21,568 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 7 states have internal predecessors, (54), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-08 17:41:21,568 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 159 transitions. [2024-11-08 17:41:21,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-08 17:41:21,570 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:41:21,570 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:41:21,581 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2024-11-08 17:41:21,770 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 17:41:21,771 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:41:21,771 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:41:21,771 INFO L85 PathProgramCache]: Analyzing trace with hash 1800771957, now seen corresponding path program 1 times [2024-11-08 17:41:21,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:41:21,772 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [918526523] [2024-11-08 17:41:21,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:41:21,772 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 [2024-11-08 17:41:21,773 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 17:41:21,774 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 17:41:21,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/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)] Waiting until timeout for monitored process [2024-11-08 17:41:22,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:22,196 INFO L255 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-08 17:41:22,204 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:41:22,682 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 17 treesize of output 13 [2024-11-08 17:41:22,801 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 54 treesize of output 42 [2024-11-08 17:41:22,808 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 42 treesize of output 30 [2024-11-08 17:41:22,860 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 220 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2024-11-08 17:41:22,861 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 17:41:23,103 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-08 17:41:23,104 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 17:41:23,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [918526523] [2024-11-08 17:41:23,104 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [918526523] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 17:41:23,104 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 17:41:23,105 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 8 [2024-11-08 17:41:23,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [235731249] [2024-11-08 17:41:23,105 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:41:23,106 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 17:41:23,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 17:41:23,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 17:41:23,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-08 17:41:23,108 INFO L87 Difference]: Start difference. First operand 112 states and 159 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-08 17:41:23,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:41:23,428 INFO L93 Difference]: Finished difference Result 294 states and 416 transitions. [2024-11-08 17:41:23,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 17:41:23,429 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 131 [2024-11-08 17:41:23,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:41:23,431 INFO L225 Difference]: With dead ends: 294 [2024-11-08 17:41:23,431 INFO L226 Difference]: Without dead ends: 185 [2024-11-08 17:41:23,432 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 262 GetRequests, 254 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-11-08 17:41:23,432 INFO L432 NwaCegarLoop]: 169 mSDtfsCounter, 84 mSDsluCounter, 455 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 624 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-08 17:41:23,433 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 624 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-08 17:41:23,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2024-11-08 17:41:23,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 182. [2024-11-08 17:41:23,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 159 states have (on average 1.3647798742138364) internal successors, (217), 160 states have internal predecessors, (217), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 19 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-08 17:41:23,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 257 transitions. [2024-11-08 17:41:23,461 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 257 transitions. Word has length 131 [2024-11-08 17:41:23,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:41:23,465 INFO L471 AbstractCegarLoop]: Abstraction has 182 states and 257 transitions. [2024-11-08 17:41:23,465 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-08 17:41:23,465 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 257 transitions. [2024-11-08 17:41:23,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-08 17:41:23,467 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:41:23,467 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:41:23,477 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/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)] Ended with exit code 0 [2024-11-08 17:41:23,668 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 17:41:23,668 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:41:23,669 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:41:23,669 INFO L85 PathProgramCache]: Analyzing trace with hash 210031472, now seen corresponding path program 1 times [2024-11-08 17:41:23,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:41:23,670 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1819833697] [2024-11-08 17:41:23,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:41:23,670 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 17:41:23,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 17:41:23,674 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 17:41:23,676 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 17:41:24,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:24,080 INFO L255 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 17:41:24,085 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:41:24,111 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 17 treesize of output 9 [2024-11-08 17:41:24,459 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-08 17:41:24,459 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 17:41:24,459 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 17:41:24,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1819833697] [2024-11-08 17:41:24,460 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1819833697] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:41:24,460 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:41:24,460 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 17:41:24,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [918101601] [2024-11-08 17:41:24,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:41:24,461 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 17:41:24,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 17:41:24,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 17:41:24,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 17:41:24,462 INFO L87 Difference]: Start difference. First operand 182 states and 257 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-08 17:41:24,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:41:24,712 INFO L93 Difference]: Finished difference Result 524 states and 738 transitions. [2024-11-08 17:41:24,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 17:41:24,713 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 133 [2024-11-08 17:41:24,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:41:24,717 INFO L225 Difference]: With dead ends: 524 [2024-11-08 17:41:24,718 INFO L226 Difference]: Without dead ends: 345 [2024-11-08 17:41:24,718 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-08 17:41:24,719 INFO L432 NwaCegarLoop]: 142 mSDtfsCounter, 242 mSDsluCounter, 282 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 242 SdHoareTripleChecker+Valid, 424 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 17:41:24,720 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [242 Valid, 424 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 17:41:24,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2024-11-08 17:41:24,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 304. [2024-11-08 17:41:24,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 304 states, 259 states have (on average 1.3436293436293436) internal successors, (348), 261 states have internal predecessors, (348), 40 states have call successors, (40), 4 states have call predecessors, (40), 4 states have return successors, (40), 38 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-08 17:41:24,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 428 transitions. [2024-11-08 17:41:24,747 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 428 transitions. Word has length 133 [2024-11-08 17:41:24,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:41:24,747 INFO L471 AbstractCegarLoop]: Abstraction has 304 states and 428 transitions. [2024-11-08 17:41:24,747 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-08 17:41:24,748 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 428 transitions. [2024-11-08 17:41:24,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-08 17:41:24,749 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:41:24,750 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:41:24,760 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Ended with exit code 0 [2024-11-08 17:41:24,950 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 17:41:24,951 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:41:24,951 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:41:24,951 INFO L85 PathProgramCache]: Analyzing trace with hash 1249912819, now seen corresponding path program 1 times [2024-11-08 17:41:24,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:41:24,952 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [728358434] [2024-11-08 17:41:24,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:41:24,953 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 [2024-11-08 17:41:24,953 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 17:41:24,957 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 17:41:24,961 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 17:41:25,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:25,422 INFO L255 TraceCheckSpWp]: Trace formula consists of 351 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 17:41:25,426 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:41:25,463 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-08 17:41:25,463 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 17:41:25,464 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 17:41:25,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [728358434] [2024-11-08 17:41:25,464 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [728358434] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:41:25,464 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:41:25,464 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 17:41:25,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1042746247] [2024-11-08 17:41:25,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:41:25,465 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 17:41:25,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 17:41:25,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 17:41:25,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 17:41:25,466 INFO L87 Difference]: Start difference. First operand 304 states and 428 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-08 17:41:25,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:41:25,555 INFO L93 Difference]: Finished difference Result 605 states and 852 transitions. [2024-11-08 17:41:25,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 17:41:25,556 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 133 [2024-11-08 17:41:25,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:41:25,558 INFO L225 Difference]: With dead ends: 605 [2024-11-08 17:41:25,558 INFO L226 Difference]: Without dead ends: 313 [2024-11-08 17:41:25,559 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 17:41:25,560 INFO L432 NwaCegarLoop]: 148 mSDtfsCounter, 0 mSDsluCounter, 427 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 575 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 17:41:25,561 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 575 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 17:41:25,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 313 states. [2024-11-08 17:41:25,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 313 to 313. [2024-11-08 17:41:25,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 313 states, 268 states have (on average 1.3320895522388059) internal successors, (357), 270 states have internal predecessors, (357), 40 states have call successors, (40), 4 states have call predecessors, (40), 4 states have return successors, (40), 38 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-08 17:41:25,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 437 transitions. [2024-11-08 17:41:25,582 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 437 transitions. Word has length 133 [2024-11-08 17:41:25,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:41:25,583 INFO L471 AbstractCegarLoop]: Abstraction has 313 states and 437 transitions. [2024-11-08 17:41:25,583 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-08 17:41:25,583 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 437 transitions. [2024-11-08 17:41:25,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-08 17:41:25,585 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:41:25,585 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:41:25,594 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 17:41:25,786 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 17:41:25,787 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:41:25,787 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:41:25,787 INFO L85 PathProgramCache]: Analyzing trace with hash -1701408471, now seen corresponding path program 1 times [2024-11-08 17:41:25,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:41:25,788 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [752689084] [2024-11-08 17:41:25,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:41:25,790 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 [2024-11-08 17:41:25,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 17:41:25,792 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 17:41:25,796 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 17:41:26,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:26,194 INFO L255 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 17:41:26,199 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:41:26,891 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 14 proven. 102 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-08 17:41:26,891 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 17:41:27,097 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-08 17:41:27,097 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 17:41:27,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [752689084] [2024-11-08 17:41:27,097 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [752689084] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 17:41:27,098 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 17:41:27,098 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10] total 11 [2024-11-08 17:41:27,098 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2028985067] [2024-11-08 17:41:27,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:41:27,099 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 17:41:27,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 17:41:27,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 17:41:27,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-11-08 17:41:27,100 INFO L87 Difference]: Start difference. First operand 313 states and 437 transitions. Second operand has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-08 17:41:27,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:41:27,203 INFO L93 Difference]: Finished difference Result 741 states and 1026 transitions. [2024-11-08 17:41:27,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 17:41:27,204 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 136 [2024-11-08 17:41:27,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:41:27,206 INFO L225 Difference]: With dead ends: 741 [2024-11-08 17:41:27,206 INFO L226 Difference]: Without dead ends: 440 [2024-11-08 17:41:27,207 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 271 GetRequests, 261 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-11-08 17:41:27,208 INFO L432 NwaCegarLoop]: 147 mSDtfsCounter, 45 mSDsluCounter, 425 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 572 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 17:41:27,208 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 572 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 17:41:27,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 440 states. [2024-11-08 17:41:27,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 440 to 352. [2024-11-08 17:41:27,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 352 states, 307 states have (on average 1.3387622149837133) internal successors, (411), 309 states have internal predecessors, (411), 40 states have call successors, (40), 4 states have call predecessors, (40), 4 states have return successors, (40), 38 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-08 17:41:27,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 352 states and 491 transitions. [2024-11-08 17:41:27,234 INFO L78 Accepts]: Start accepts. Automaton has 352 states and 491 transitions. Word has length 136 [2024-11-08 17:41:27,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:41:27,235 INFO L471 AbstractCegarLoop]: Abstraction has 352 states and 491 transitions. [2024-11-08 17:41:27,235 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-08 17:41:27,236 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 491 transitions. [2024-11-08 17:41:27,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-08 17:41:27,237 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:41:27,237 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:41:27,247 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 17:41:27,438 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 17:41:27,438 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:41:27,439 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:41:27,439 INFO L85 PathProgramCache]: Analyzing trace with hash -1856999786, now seen corresponding path program 1 times [2024-11-08 17:41:27,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:41:27,439 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1519152409] [2024-11-08 17:41:27,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:41:27,440 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 [2024-11-08 17:41:27,440 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 17:41:27,443 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 17:41:27,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2024-11-08 17:41:27,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:27,883 INFO L255 TraceCheckSpWp]: Trace formula consists of 368 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-08 17:41:27,888 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:41:27,906 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 17 treesize of output 13 [2024-11-08 17:41:27,912 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 13 treesize of output 9 [2024-11-08 17:41:27,992 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 17 treesize of output 9 [2024-11-08 17:41:28,019 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-08 17:41:28,020 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 17:41:28,020 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 17:41:28,020 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1519152409] [2024-11-08 17:41:28,020 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1519152409] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:41:28,020 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:41:28,021 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 17:41:28,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390685095] [2024-11-08 17:41:28,021 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:41:28,021 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 17:41:28,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 17:41:28,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 17:41:28,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 17:41:28,023 INFO L87 Difference]: Start difference. First operand 352 states and 491 transitions. Second operand has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-08 17:41:28,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:41:28,327 INFO L93 Difference]: Finished difference Result 743 states and 1039 transitions. [2024-11-08 17:41:28,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 17:41:28,334 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 137 [2024-11-08 17:41:28,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:41:28,337 INFO L225 Difference]: With dead ends: 743 [2024-11-08 17:41:28,337 INFO L226 Difference]: Without dead ends: 403 [2024-11-08 17:41:28,338 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-08 17:41:28,338 INFO L432 NwaCegarLoop]: 225 mSDtfsCounter, 136 mSDsluCounter, 307 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 532 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-08 17:41:28,339 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 532 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-08 17:41:28,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 403 states. [2024-11-08 17:41:28,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 403 to 390. [2024-11-08 17:41:28,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 390 states, 332 states have (on average 1.322289156626506) internal successors, (439), 334 states have internal predecessors, (439), 52 states have call successors, (52), 5 states have call predecessors, (52), 5 states have return successors, (52), 50 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-08 17:41:28,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 390 states and 543 transitions. [2024-11-08 17:41:28,369 INFO L78 Accepts]: Start accepts. Automaton has 390 states and 543 transitions. Word has length 137 [2024-11-08 17:41:28,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:41:28,373 INFO L471 AbstractCegarLoop]: Abstraction has 390 states and 543 transitions. [2024-11-08 17:41:28,374 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-08 17:41:28,374 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 543 transitions. [2024-11-08 17:41:28,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-08 17:41:28,375 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:41:28,376 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:41:28,388 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2024-11-08 17:41:28,576 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 17:41:28,577 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:41:28,577 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:41:28,577 INFO L85 PathProgramCache]: Analyzing trace with hash 1426850260, now seen corresponding path program 1 times [2024-11-08 17:41:28,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:41:28,578 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [285243193] [2024-11-08 17:41:28,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:41:28,578 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 [2024-11-08 17:41:28,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 17:41:28,581 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 17:41:28,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 17:41:29,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:29,061 INFO L255 TraceCheckSpWp]: Trace formula consists of 368 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-08 17:41:29,068 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:41:30,036 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 17 treesize of output 13 [2024-11-08 17:41:30,188 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 51 treesize of output 39 [2024-11-08 17:41:30,196 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 39 treesize of output 27 [2024-11-08 17:41:30,277 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 368 trivial. 0 not checked. [2024-11-08 17:41:30,278 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 17:41:30,609 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-08 17:41:30,609 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 17:41:30,609 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [285243193] [2024-11-08 17:41:30,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [285243193] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 17:41:30,610 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 17:41:30,610 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 10 [2024-11-08 17:41:30,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009399808] [2024-11-08 17:41:30,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:41:30,611 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 17:41:30,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 17:41:30,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 17:41:30,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-11-08 17:41:30,612 INFO L87 Difference]: Start difference. First operand 390 states and 543 transitions. Second operand has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-08 17:41:30,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:41:30,796 INFO L93 Difference]: Finished difference Result 409 states and 562 transitions. [2024-11-08 17:41:30,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 17:41:30,797 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 137 [2024-11-08 17:41:30,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:41:30,800 INFO L225 Difference]: With dead ends: 409 [2024-11-08 17:41:30,800 INFO L226 Difference]: Without dead ends: 407 [2024-11-08 17:41:30,800 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 275 GetRequests, 264 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2024-11-08 17:41:30,801 INFO L432 NwaCegarLoop]: 208 mSDtfsCounter, 104 mSDsluCounter, 705 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 913 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 17:41:30,802 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 913 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 17:41:30,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 407 states. [2024-11-08 17:41:30,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 407 to 407. [2024-11-08 17:41:30,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 407 states, 347 states have (on average 1.30835734870317) internal successors, (454), 349 states have internal predecessors, (454), 52 states have call successors, (52), 7 states have call predecessors, (52), 7 states have return successors, (52), 50 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-08 17:41:30,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 558 transitions. [2024-11-08 17:41:30,834 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 558 transitions. Word has length 137 [2024-11-08 17:41:30,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:41:30,836 INFO L471 AbstractCegarLoop]: Abstraction has 407 states and 558 transitions. [2024-11-08 17:41:30,836 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-08 17:41:30,836 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 558 transitions. [2024-11-08 17:41:30,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-08 17:41:30,839 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:41:30,839 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:41:30,848 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/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)] Ended with exit code 0 [2024-11-08 17:41:31,040 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 17:41:31,040 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:41:31,040 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:41:31,040 INFO L85 PathProgramCache]: Analyzing trace with hash 1428697302, now seen corresponding path program 1 times [2024-11-08 17:41:31,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:41:31,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [84877913] [2024-11-08 17:41:31,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:41:31,041 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 [2024-11-08 17:41:31,041 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 17:41:31,042 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 17:41:31,043 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2024-11-08 17:41:31,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:41:31,598 INFO L255 TraceCheckSpWp]: Trace formula consists of 365 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-08 17:41:31,603 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:41:34,991 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 15 treesize of output 1 [2024-11-08 17:41:46,946 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 203 treesize of output 167 [2024-11-08 17:41:46,972 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 17:41:46,973 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 267 treesize of output 117 [2024-11-08 17:41:47,758 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 192 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2024-11-08 17:41:47,758 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 17:42:02,020 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 17:42:02,020 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [84877913] [2024-11-08 17:42:02,020 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [84877913] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 17:42:02,020 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [113553640] [2024-11-08 17:42:02,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:42:02,021 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:42:02,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:42:02,022 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:42:02,023 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-08 17:42:02,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:42:02,566 INFO L255 TraceCheckSpWp]: Trace formula consists of 365 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-08 17:42:02,573 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:42:04,213 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 [2024-11-08 17:42:07,938 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 15 treesize of output 1 [2024-11-08 17:42:30,024 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 185 treesize of output 149 [2024-11-08 17:42:30,049 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 17:42:30,049 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 253 treesize of output 125 [2024-11-08 17:42:30,542 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 192 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2024-11-08 17:42:30,542 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 17:42:44,944 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [113553640] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 17:42:44,944 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-08 17:42:44,944 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2024-11-08 17:42:44,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686693920] [2024-11-08 17:42:44,945 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-08 17:42:44,945 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-08 17:42:44,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 17:42:44,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-08 17:42:44,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=250, Unknown=0, NotChecked=0, Total=306 [2024-11-08 17:42:44,947 INFO L87 Difference]: Start difference. First operand 407 states and 558 transitions. Second operand has 16 states, 16 states have (on average 7.5) internal successors, (120), 15 states have internal predecessors, (120), 4 states have call successors, (32), 4 states have call predecessors, (32), 4 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) [2024-11-08 17:43:09,083 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 17:43:13,146 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 17:43:17,651 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 17:43:18,750 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result VALID. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 17:43:23,238 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 17:43:27,299 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 17:43:33,730 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 17:43:37,856 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 17:43:42,266 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 17:43:46,369 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 17:43:50,763 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 17:43:56,280 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 17:44:00,353 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 17:44:05,685 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 17:44:09,011 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result VALID. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 17:44:13,081 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 17:44:17,850 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 17:44:21,932 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 17:44:26,451 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 17:44:30,523 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 17:44:32,460 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result VALID. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 17:44:36,562 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 17:44:37,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:44:37,417 INFO L93 Difference]: Finished difference Result 1149 states and 1559 transitions. [2024-11-08 17:44:37,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-08 17:44:37,427 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.5) internal successors, (120), 15 states have internal predecessors, (120), 4 states have call successors, (32), 4 states have call predecessors, (32), 4 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) Word has length 137 [2024-11-08 17:44:37,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:44:37,431 INFO L225 Difference]: With dead ends: 1149 [2024-11-08 17:44:37,431 INFO L226 Difference]: Without dead ends: 792 [2024-11-08 17:44:37,432 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 345 GetRequests, 320 SyntacticMatches, 2 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 115 ImplicationChecksByTransitivity, 25.9s TimeCoverageRelationStatistics Valid=125, Invalid=475, Unknown=0, NotChecked=0, Total=600 [2024-11-08 17:44:37,433 INFO L432 NwaCegarLoop]: 177 mSDtfsCounter, 383 mSDsluCounter, 1283 mSDsCounter, 0 mSdLazyCounter, 626 mSolverCounterSat, 62 mSolverCounterUnsat, 19 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 101.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 383 SdHoareTripleChecker+Valid, 1460 SdHoareTripleChecker+Invalid, 707 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 626 IncrementalHoareTripleChecker+Invalid, 19 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 102.5s IncrementalHoareTripleChecker+Time [2024-11-08 17:44:37,434 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [383 Valid, 1460 Invalid, 707 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 626 Invalid, 19 Unknown, 0 Unchecked, 102.5s Time] [2024-11-08 17:44:37,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 792 states. [2024-11-08 17:44:37,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 792 to 788. [2024-11-08 17:44:37,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 788 states, 677 states have (on average 1.3028064992614476) internal successors, (882), 683 states have internal predecessors, (882), 92 states have call successors, (92), 18 states have call predecessors, (92), 18 states have return successors, (92), 86 states have call predecessors, (92), 92 states have call successors, (92) [2024-11-08 17:44:37,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 788 states to 788 states and 1066 transitions. [2024-11-08 17:44:37,523 INFO L78 Accepts]: Start accepts. Automaton has 788 states and 1066 transitions. Word has length 137 [2024-11-08 17:44:37,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:44:37,523 INFO L471 AbstractCegarLoop]: Abstraction has 788 states and 1066 transitions. [2024-11-08 17:44:37,524 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.5) internal successors, (120), 15 states have internal predecessors, (120), 4 states have call successors, (32), 4 states have call predecessors, (32), 4 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) [2024-11-08 17:44:37,524 INFO L276 IsEmpty]: Start isEmpty. Operand 788 states and 1066 transitions. [2024-11-08 17:44:37,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-08 17:44:37,526 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:44:37,526 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:44:37,554 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-08 17:44:37,736 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Ended with exit code 0 [2024-11-08 17:44:37,927 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 17:44:37,927 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:44:37,927 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:44:37,928 INFO L85 PathProgramCache]: Analyzing trace with hash -1091262632, now seen corresponding path program 1 times [2024-11-08 17:44:37,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:44:37,928 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [693011721] [2024-11-08 17:44:37,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:44:37,928 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 [2024-11-08 17:44:37,928 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 17:44:37,929 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 17:44:37,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/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 (15)] Waiting until timeout for monitored process [2024-11-08 17:44:38,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:44:38,327 INFO L255 TraceCheckSpWp]: Trace formula consists of 362 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 17:44:38,331 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:44:38,341 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 17 treesize of output 13 [2024-11-08 17:44:38,470 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-08 17:44:38,470 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 17:44:38,470 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 17:44:38,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [693011721] [2024-11-08 17:44:38,470 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [693011721] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:44:38,470 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:44:38,471 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 17:44:38,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1292539586] [2024-11-08 17:44:38,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:44:38,471 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 17:44:38,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 17:44:38,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 17:44:38,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 17:44:38,472 INFO L87 Difference]: Start difference. First operand 788 states and 1066 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-08 17:44:38,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:44:38,891 INFO L93 Difference]: Finished difference Result 1514 states and 2042 transitions. [2024-11-08 17:44:38,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 17:44:38,892 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 137 [2024-11-08 17:44:38,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:44:38,898 INFO L225 Difference]: With dead ends: 1514 [2024-11-08 17:44:38,899 INFO L226 Difference]: Without dead ends: 794 [2024-11-08 17:44:38,900 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-08 17:44:38,901 INFO L432 NwaCegarLoop]: 204 mSDtfsCounter, 117 mSDsluCounter, 481 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 685 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-08 17:44:38,901 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [117 Valid, 685 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-08 17:44:38,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 794 states. [2024-11-08 17:44:38,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 794 to 788. [2024-11-08 17:44:38,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 788 states, 677 states have (on average 1.293943870014771) internal successors, (876), 683 states have internal predecessors, (876), 92 states have call successors, (92), 18 states have call predecessors, (92), 18 states have return successors, (92), 86 states have call predecessors, (92), 92 states have call successors, (92) [2024-11-08 17:44:38,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 788 states to 788 states and 1060 transitions. [2024-11-08 17:44:38,979 INFO L78 Accepts]: Start accepts. Automaton has 788 states and 1060 transitions. Word has length 137 [2024-11-08 17:44:38,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:44:38,979 INFO L471 AbstractCegarLoop]: Abstraction has 788 states and 1060 transitions. [2024-11-08 17:44:38,980 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-08 17:44:38,981 INFO L276 IsEmpty]: Start isEmpty. Operand 788 states and 1060 transitions. [2024-11-08 17:44:38,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-08 17:44:38,983 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:44:38,984 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:44:39,001 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/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 (15)] Ended with exit code 0 [2024-11-08 17:44:39,184 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 17:44:39,184 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:44:39,185 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:44:39,185 INFO L85 PathProgramCache]: Analyzing trace with hash -411204262, now seen corresponding path program 1 times [2024-11-08 17:44:39,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:44:39,185 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [139736353] [2024-11-08 17:44:39,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:44:39,185 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 [2024-11-08 17:44:39,185 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 17:44:39,186 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 17:44:39,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2024-11-08 17:44:39,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:44:39,583 INFO L255 TraceCheckSpWp]: Trace formula consists of 359 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 17:44:39,586 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:44:39,623 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-08 17:44:39,623 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 17:44:39,623 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 17:44:39,623 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [139736353] [2024-11-08 17:44:39,623 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [139736353] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:44:39,623 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:44:39,623 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 17:44:39,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [579130143] [2024-11-08 17:44:39,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:44:39,624 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 17:44:39,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 17:44:39,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 17:44:39,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 17:44:39,625 INFO L87 Difference]: Start difference. First operand 788 states and 1060 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-08 17:44:39,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:44:39,738 INFO L93 Difference]: Finished difference Result 1526 states and 2048 transitions. [2024-11-08 17:44:39,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 17:44:39,739 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 137 [2024-11-08 17:44:39,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:44:39,743 INFO L225 Difference]: With dead ends: 1526 [2024-11-08 17:44:39,743 INFO L226 Difference]: Without dead ends: 806 [2024-11-08 17:44:39,745 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 17:44:39,745 INFO L432 NwaCegarLoop]: 147 mSDtfsCounter, 0 mSDsluCounter, 425 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 572 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 17:44:39,746 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 572 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 17:44:39,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 806 states. [2024-11-08 17:44:39,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 806 to 806. [2024-11-08 17:44:39,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 806 states, 695 states have (on average 1.2863309352517986) internal successors, (894), 701 states have internal predecessors, (894), 92 states have call successors, (92), 18 states have call predecessors, (92), 18 states have return successors, (92), 86 states have call predecessors, (92), 92 states have call successors, (92) [2024-11-08 17:44:39,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 806 states to 806 states and 1078 transitions. [2024-11-08 17:44:39,826 INFO L78 Accepts]: Start accepts. Automaton has 806 states and 1078 transitions. Word has length 137 [2024-11-08 17:44:39,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:44:39,827 INFO L471 AbstractCegarLoop]: Abstraction has 806 states and 1078 transitions. [2024-11-08 17:44:39,827 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-08 17:44:39,827 INFO L276 IsEmpty]: Start isEmpty. Operand 806 states and 1078 transitions. [2024-11-08 17:44:39,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-08 17:44:39,829 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:44:39,830 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:44:39,838 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Ended with exit code 0 [2024-11-08 17:44:40,030 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 17:44:40,030 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:44:40,031 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:44:40,031 INFO L85 PathProgramCache]: Analyzing trace with hash 1630521236, now seen corresponding path program 1 times [2024-11-08 17:44:40,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:44:40,032 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1888191928] [2024-11-08 17:44:40,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:44:40,032 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 [2024-11-08 17:44:40,032 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 17:44:40,036 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 17:44:40,037 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/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 (17)] Waiting until timeout for monitored process [2024-11-08 17:44:40,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:44:40,506 INFO L255 TraceCheckSpWp]: Trace formula consists of 363 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 17:44:40,509 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:44:40,534 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 192 proven. 0 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2024-11-08 17:44:40,534 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 17:44:40,535 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 17:44:40,535 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1888191928] [2024-11-08 17:44:40,535 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1888191928] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:44:40,535 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:44:40,536 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 17:44:40,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [521819080] [2024-11-08 17:44:40,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:44:40,536 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 17:44:40,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 17:44:40,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 17:44:40,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 17:44:40,538 INFO L87 Difference]: Start difference. First operand 806 states and 1078 transitions. Second operand has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-08 17:44:40,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:44:40,724 INFO L93 Difference]: Finished difference Result 1560 states and 2082 transitions. [2024-11-08 17:44:40,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 17:44:40,725 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 137 [2024-11-08 17:44:40,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:44:40,731 INFO L225 Difference]: With dead ends: 1560 [2024-11-08 17:44:40,731 INFO L226 Difference]: Without dead ends: 806 [2024-11-08 17:44:40,735 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 17:44:40,736 INFO L432 NwaCegarLoop]: 150 mSDtfsCounter, 0 mSDsluCounter, 286 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 436 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 17:44:40,737 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 436 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 17:44:40,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 806 states. [2024-11-08 17:44:40,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 806 to 806. [2024-11-08 17:44:40,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 806 states, 695 states have (on average 1.2820143884892086) internal successors, (891), 701 states have internal predecessors, (891), 92 states have call successors, (92), 18 states have call predecessors, (92), 18 states have return successors, (92), 86 states have call predecessors, (92), 92 states have call successors, (92) [2024-11-08 17:44:40,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 806 states to 806 states and 1075 transitions. [2024-11-08 17:44:40,835 INFO L78 Accepts]: Start accepts. Automaton has 806 states and 1075 transitions. Word has length 137 [2024-11-08 17:44:40,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:44:40,836 INFO L471 AbstractCegarLoop]: Abstraction has 806 states and 1075 transitions. [2024-11-08 17:44:40,836 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-08 17:44:40,836 INFO L276 IsEmpty]: Start isEmpty. Operand 806 states and 1075 transitions. [2024-11-08 17:44:40,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-08 17:44:40,838 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:44:40,839 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:44:40,850 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/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 (17)] Forceful destruction successful, exit code 0 [2024-11-08 17:44:41,039 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 17:44:41,040 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:44:41,040 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:44:41,040 INFO L85 PathProgramCache]: Analyzing trace with hash -2013911185, now seen corresponding path program 1 times [2024-11-08 17:44:41,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:44:41,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [296230723] [2024-11-08 17:44:41,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:44:41,041 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 [2024-11-08 17:44:41,042 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 17:44:41,046 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 17:44:41,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/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 (18)] Waiting until timeout for monitored process [2024-11-08 17:44:41,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:44:41,525 INFO L255 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 17:44:41,529 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:44:41,557 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 17 treesize of output 9 [2024-11-08 17:44:41,984 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-08 17:44:41,984 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 17:44:41,984 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 17:44:41,984 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [296230723] [2024-11-08 17:44:41,984 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [296230723] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:44:41,985 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:44:41,985 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 17:44:41,985 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [116707402] [2024-11-08 17:44:41,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:44:41,986 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 17:44:41,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 17:44:41,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 17:44:41,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 17:44:41,988 INFO L87 Difference]: Start difference. First operand 806 states and 1075 transitions. Second operand has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-08 17:44:42,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:44:42,317 INFO L93 Difference]: Finished difference Result 1642 states and 2176 transitions. [2024-11-08 17:44:42,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 17:44:42,318 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 138 [2024-11-08 17:44:42,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:44:42,323 INFO L225 Difference]: With dead ends: 1642 [2024-11-08 17:44:42,323 INFO L226 Difference]: Without dead ends: 904 [2024-11-08 17:44:42,325 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-08 17:44:42,326 INFO L432 NwaCegarLoop]: 140 mSDtfsCounter, 238 mSDsluCounter, 415 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 238 SdHoareTripleChecker+Valid, 555 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 17:44:42,326 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [238 Valid, 555 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 17:44:42,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 904 states. [2024-11-08 17:44:42,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 904 to 808. [2024-11-08 17:44:42,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 808 states, 697 states have (on average 1.2812051649928264) internal successors, (893), 703 states have internal predecessors, (893), 92 states have call successors, (92), 18 states have call predecessors, (92), 18 states have return successors, (92), 86 states have call predecessors, (92), 92 states have call successors, (92) [2024-11-08 17:44:42,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 808 states to 808 states and 1077 transitions. [2024-11-08 17:44:42,405 INFO L78 Accepts]: Start accepts. Automaton has 808 states and 1077 transitions. Word has length 138 [2024-11-08 17:44:42,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:44:42,406 INFO L471 AbstractCegarLoop]: Abstraction has 808 states and 1077 transitions. [2024-11-08 17:44:42,406 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-08 17:44:42,406 INFO L276 IsEmpty]: Start isEmpty. Operand 808 states and 1077 transitions. [2024-11-08 17:44:42,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-08 17:44:42,408 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:44:42,408 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:44:42,418 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/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 (18)] Forceful destruction successful, exit code 0 [2024-11-08 17:44:42,610 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 17:44:42,611 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:44:42,611 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:44:42,615 INFO L85 PathProgramCache]: Analyzing trace with hash -90683151, now seen corresponding path program 1 times [2024-11-08 17:44:42,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:44:42,616 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1574714995] [2024-11-08 17:44:42,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:44:42,616 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 [2024-11-08 17:44:42,617 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 17:44:42,620 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 17:44:42,621 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/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 (19)] Waiting until timeout for monitored process [2024-11-08 17:44:43,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:44:43,057 INFO L255 TraceCheckSpWp]: Trace formula consists of 359 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-08 17:44:43,059 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:44:43,134 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-08 17:44:43,135 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 17:44:43,135 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 17:44:43,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1574714995] [2024-11-08 17:44:43,135 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1574714995] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:44:43,135 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:44:43,135 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 17:44:43,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044360701] [2024-11-08 17:44:43,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:44:43,136 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 17:44:43,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 17:44:43,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 17:44:43,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-08 17:44:43,137 INFO L87 Difference]: Start difference. First operand 808 states and 1077 transitions. Second operand has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-08 17:44:43,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:44:43,267 INFO L93 Difference]: Finished difference Result 1572 states and 2089 transitions. [2024-11-08 17:44:43,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 17:44:43,268 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 138 [2024-11-08 17:44:43,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:44:43,272 INFO L225 Difference]: With dead ends: 1572 [2024-11-08 17:44:43,272 INFO L226 Difference]: Without dead ends: 832 [2024-11-08 17:44:43,274 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-08 17:44:43,275 INFO L432 NwaCegarLoop]: 146 mSDtfsCounter, 0 mSDsluCounter, 563 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 709 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 17:44:43,275 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 709 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 17:44:43,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 832 states. [2024-11-08 17:44:43,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 832 to 814. [2024-11-08 17:44:43,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 814 states, 703 states have (on average 1.2788051209103841) internal successors, (899), 709 states have internal predecessors, (899), 92 states have call successors, (92), 18 states have call predecessors, (92), 18 states have return successors, (92), 86 states have call predecessors, (92), 92 states have call successors, (92) [2024-11-08 17:44:43,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 814 states to 814 states and 1083 transitions. [2024-11-08 17:44:43,354 INFO L78 Accepts]: Start accepts. Automaton has 814 states and 1083 transitions. Word has length 138 [2024-11-08 17:44:43,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:44:43,356 INFO L471 AbstractCegarLoop]: Abstraction has 814 states and 1083 transitions. [2024-11-08 17:44:43,356 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-08 17:44:43,357 INFO L276 IsEmpty]: Start isEmpty. Operand 814 states and 1083 transitions. [2024-11-08 17:44:43,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-08 17:44:43,359 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:44:43,359 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:44:43,367 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/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 (19)] Forceful destruction successful, exit code 0 [2024-11-08 17:44:43,559 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 17:44:43,560 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:44:43,560 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:44:43,560 INFO L85 PathProgramCache]: Analyzing trace with hash 819916464, now seen corresponding path program 1 times [2024-11-08 17:44:43,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:44:43,561 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [879391532] [2024-11-08 17:44:43,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:44:43,562 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 [2024-11-08 17:44:43,562 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 17:44:43,565 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 17:44:43,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/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 (20)] Waiting until timeout for monitored process [2024-11-08 17:44:44,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:44:44,123 INFO L255 TraceCheckSpWp]: Trace formula consists of 371 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-08 17:44:44,128 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:44:47,397 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 15 treesize of output 1 [2024-11-08 17:45:00,420 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 203 treesize of output 167 [2024-11-08 17:45:00,457 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 17:45:00,458 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 265 treesize of output 115 [2024-11-08 17:45:01,443 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 3 proven. 201 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2024-11-08 17:45:01,444 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 17:45:18,552 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 17:45:18,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [879391532] [2024-11-08 17:45:18,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [879391532] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 17:45:18,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1048823670] [2024-11-08 17:45:18,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:45:18,553 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:45:18,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:45:18,555 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:45:18,559 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-11-08 17:45:24,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:45:24,288 INFO L255 TraceCheckSpWp]: Trace formula consists of 371 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-08 17:45:24,295 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:45:26,812 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 22 treesize of output 1 [2024-11-08 17:45:34,845 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 15 treesize of output 1 [2024-11-08 17:45:55,511 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 185 treesize of output 149 [2024-11-08 17:45:55,542 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 17:45:55,543 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 235 treesize of output 115 [2024-11-08 17:45:56,039 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 3 proven. 201 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2024-11-08 17:45:56,040 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 17:46:08,080 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1048823670] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 17:46:08,080 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-08 17:46:08,080 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 14] total 23 [2024-11-08 17:46:08,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [176710600] [2024-11-08 17:46:08,081 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-08 17:46:08,082 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-08 17:46:08,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 17:46:08,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-08 17:46:08,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=106, Invalid=544, Unknown=0, NotChecked=0, Total=650 [2024-11-08 17:46:08,083 INFO L87 Difference]: Start difference. First operand 814 states and 1083 transitions. Second operand has 24 states, 22 states have (on average 5.909090909090909) internal successors, (130), 21 states have internal predecessors, (130), 6 states have call successors, (32), 6 states have call predecessors, (32), 6 states have return successors, (32), 4 states have call predecessors, (32), 6 states have call successors, (32) [2024-11-08 17:47:01,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:47:01,222 INFO L93 Difference]: Finished difference Result 2369 states and 3132 transitions. [2024-11-08 17:47:01,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-08 17:47:01,224 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 22 states have (on average 5.909090909090909) internal successors, (130), 21 states have internal predecessors, (130), 6 states have call successors, (32), 6 states have call predecessors, (32), 6 states have return successors, (32), 4 states have call predecessors, (32), 6 states have call successors, (32) Word has length 139 [2024-11-08 17:47:01,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:47:01,234 INFO L225 Difference]: With dead ends: 2369 [2024-11-08 17:47:01,234 INFO L226 Difference]: Without dead ends: 1623 [2024-11-08 17:47:01,237 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 362 GetRequests, 315 SyntacticMatches, 1 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 537 ImplicationChecksByTransitivity, 53.8s TimeCoverageRelationStatistics Valid=423, Invalid=1833, Unknown=0, NotChecked=0, Total=2256 [2024-11-08 17:47:01,238 INFO L432 NwaCegarLoop]: 222 mSDtfsCounter, 767 mSDsluCounter, 2153 mSDsCounter, 0 mSdLazyCounter, 1198 mSolverCounterSat, 148 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 767 SdHoareTripleChecker+Valid, 2375 SdHoareTripleChecker+Invalid, 1346 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 148 IncrementalHoareTripleChecker+Valid, 1198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.2s IncrementalHoareTripleChecker+Time [2024-11-08 17:47:01,238 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [767 Valid, 2375 Invalid, 1346 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [148 Valid, 1198 Invalid, 0 Unknown, 0 Unchecked, 22.2s Time] [2024-11-08 17:47:01,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1623 states. [2024-11-08 17:47:01,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1623 to 1209. [2024-11-08 17:47:01,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1209 states, 1046 states have (on average 1.2753346080305927) internal successors, (1334), 1056 states have internal predecessors, (1334), 132 states have call successors, (132), 30 states have call predecessors, (132), 30 states have return successors, (132), 122 states have call predecessors, (132), 132 states have call successors, (132) [2024-11-08 17:47:01,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1209 states to 1209 states and 1598 transitions. [2024-11-08 17:47:01,416 INFO L78 Accepts]: Start accepts. Automaton has 1209 states and 1598 transitions. Word has length 139 [2024-11-08 17:47:01,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:47:01,417 INFO L471 AbstractCegarLoop]: Abstraction has 1209 states and 1598 transitions. [2024-11-08 17:47:01,417 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 22 states have (on average 5.909090909090909) internal successors, (130), 21 states have internal predecessors, (130), 6 states have call successors, (32), 6 states have call predecessors, (32), 6 states have return successors, (32), 4 states have call predecessors, (32), 6 states have call successors, (32) [2024-11-08 17:47:01,417 INFO L276 IsEmpty]: Start isEmpty. Operand 1209 states and 1598 transitions. [2024-11-08 17:47:01,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-08 17:47:01,420 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:47:01,420 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:47:01,461 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2024-11-08 17:47:01,633 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/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 (20)] Ended with exit code 0 [2024-11-08 17:47:01,821 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 17:47:01,821 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:47:01,822 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:47:01,822 INFO L85 PathProgramCache]: Analyzing trace with hash 1380616242, now seen corresponding path program 1 times [2024-11-08 17:47:01,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:47:01,823 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1915885009] [2024-11-08 17:47:01,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:47:01,823 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 [2024-11-08 17:47:01,823 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 17:47:01,827 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 17:47:01,828 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/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 (22)] Waiting until timeout for monitored process [2024-11-08 17:47:02,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:02,371 INFO L255 TraceCheckSpWp]: Trace formula consists of 369 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-08 17:47:02,375 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:47:02,497 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 192 proven. 0 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2024-11-08 17:47:02,497 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 17:47:02,498 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 17:47:02,498 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1915885009] [2024-11-08 17:47:02,498 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1915885009] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:47:02,498 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:47:02,499 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 17:47:02,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1780357130] [2024-11-08 17:47:02,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:47:02,500 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 17:47:02,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 17:47:02,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 17:47:02,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-08 17:47:02,501 INFO L87 Difference]: Start difference. First operand 1209 states and 1598 transitions. Second operand has 6 states, 5 states have (on average 13.6) internal successors, (68), 6 states have internal predecessors, (68), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (16), 2 states have call predecessors, (16), 3 states have call successors, (16) [2024-11-08 17:47:03,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:47:03,070 INFO L93 Difference]: Finished difference Result 2009 states and 2632 transitions. [2024-11-08 17:47:03,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 17:47:03,071 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 13.6) internal successors, (68), 6 states have internal predecessors, (68), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (16), 2 states have call predecessors, (16), 3 states have call successors, (16) Word has length 139 [2024-11-08 17:47:03,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:47:03,076 INFO L225 Difference]: With dead ends: 2009 [2024-11-08 17:47:03,076 INFO L226 Difference]: Without dead ends: 856 [2024-11-08 17:47:03,079 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-08 17:47:03,080 INFO L432 NwaCegarLoop]: 133 mSDtfsCounter, 1 mSDsluCounter, 483 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 616 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-08 17:47:03,080 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 616 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-08 17:47:03,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 856 states. [2024-11-08 17:47:03,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 856 to 834. [2024-11-08 17:47:03,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 834 states, 718 states have (on average 1.2646239554317549) internal successors, (908), 724 states have internal predecessors, (908), 92 states have call successors, (92), 23 states have call predecessors, (92), 23 states have return successors, (92), 86 states have call predecessors, (92), 92 states have call successors, (92) [2024-11-08 17:47:03,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 834 states to 834 states and 1092 transitions. [2024-11-08 17:47:03,197 INFO L78 Accepts]: Start accepts. Automaton has 834 states and 1092 transitions. Word has length 139 [2024-11-08 17:47:03,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:47:03,197 INFO L471 AbstractCegarLoop]: Abstraction has 834 states and 1092 transitions. [2024-11-08 17:47:03,198 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.6) internal successors, (68), 6 states have internal predecessors, (68), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (16), 2 states have call predecessors, (16), 3 states have call successors, (16) [2024-11-08 17:47:03,198 INFO L276 IsEmpty]: Start isEmpty. Operand 834 states and 1092 transitions. [2024-11-08 17:47:03,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-08 17:47:03,200 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:47:03,200 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:47:03,212 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/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 (22)] Forceful destruction successful, exit code 0 [2024-11-08 17:47:03,401 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 17:47:03,401 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:47:03,401 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:47:03,402 INFO L85 PathProgramCache]: Analyzing trace with hash -804265725, now seen corresponding path program 1 times [2024-11-08 17:47:03,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:47:03,402 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [327544255] [2024-11-08 17:47:03,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:47:03,403 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 [2024-11-08 17:47:03,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 17:47:03,404 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 17:47:03,405 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/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 (23)] Waiting until timeout for monitored process [2024-11-08 17:47:03,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:04,006 INFO L255 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-08 17:47:04,009 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:47:05,307 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 8 proven. 276 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2024-11-08 17:47:05,307 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 17:47:05,638 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-08 17:47:05,638 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 17:47:05,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [327544255] [2024-11-08 17:47:05,638 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [327544255] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 17:47:05,639 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 17:47:05,639 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [11] total 13 [2024-11-08 17:47:05,639 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [311344890] [2024-11-08 17:47:05,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:47:05,640 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 17:47:05,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 17:47:05,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 17:47:05,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2024-11-08 17:47:05,641 INFO L87 Difference]: Start difference. First operand 834 states and 1092 transitions. Second operand has 6 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-08 17:47:05,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:47:05,920 INFO L93 Difference]: Finished difference Result 2010 states and 2605 transitions. [2024-11-08 17:47:05,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 17:47:05,921 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 140 [2024-11-08 17:47:05,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:47:05,926 INFO L225 Difference]: With dead ends: 2010 [2024-11-08 17:47:05,926 INFO L226 Difference]: Without dead ends: 1248 [2024-11-08 17:47:05,928 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 279 GetRequests, 267 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2024-11-08 17:47:05,928 INFO L432 NwaCegarLoop]: 195 mSDtfsCounter, 203 mSDsluCounter, 453 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 203 SdHoareTripleChecker+Valid, 648 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 17:47:05,929 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [203 Valid, 648 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 17:47:05,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1248 states. [2024-11-08 17:47:06,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1248 to 1242. [2024-11-08 17:47:06,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1242 states, 1081 states have (on average 1.240518038852914) internal successors, (1341), 1093 states have internal predecessors, (1341), 124 states have call successors, (124), 36 states have call predecessors, (124), 36 states have return successors, (124), 112 states have call predecessors, (124), 124 states have call successors, (124) [2024-11-08 17:47:06,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1242 states to 1242 states and 1589 transitions. [2024-11-08 17:47:06,117 INFO L78 Accepts]: Start accepts. Automaton has 1242 states and 1589 transitions. Word has length 140 [2024-11-08 17:47:06,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:47:06,118 INFO L471 AbstractCegarLoop]: Abstraction has 1242 states and 1589 transitions. [2024-11-08 17:47:06,118 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-08 17:47:06,118 INFO L276 IsEmpty]: Start isEmpty. Operand 1242 states and 1589 transitions. [2024-11-08 17:47:06,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-08 17:47:06,120 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:47:06,120 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:47:06,132 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/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 (23)] Forceful destruction successful, exit code 0 [2024-11-08 17:47:06,321 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 17:47:06,321 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:47:06,321 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:47:06,321 INFO L85 PathProgramCache]: Analyzing trace with hash -2121884030, now seen corresponding path program 1 times [2024-11-08 17:47:06,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:47:06,322 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2522321] [2024-11-08 17:47:06,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:47:06,322 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 [2024-11-08 17:47:06,323 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 17:47:06,324 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 17:47:06,326 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/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 (24)] Waiting until timeout for monitored process [2024-11-08 17:47:06,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:06,964 INFO L255 TraceCheckSpWp]: Trace formula consists of 372 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 17:47:06,968 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:47:06,981 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 17 treesize of output 13 [2024-11-08 17:47:06,987 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 13 treesize of output 9 [2024-11-08 17:47:07,152 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 24 treesize of output 12 [2024-11-08 17:47:07,203 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-08 17:47:07,203 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 17:47:07,203 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 17:47:07,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2522321] [2024-11-08 17:47:07,204 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2522321] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:47:07,204 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:47:07,204 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 17:47:07,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [556045310] [2024-11-08 17:47:07,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:47:07,205 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 17:47:07,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 17:47:07,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 17:47:07,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-08 17:47:07,207 INFO L87 Difference]: Start difference. First operand 1242 states and 1589 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-08 17:47:08,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:47:08,051 INFO L93 Difference]: Finished difference Result 2344 states and 2988 transitions. [2024-11-08 17:47:08,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 17:47:08,057 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 140 [2024-11-08 17:47:08,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:47:08,062 INFO L225 Difference]: With dead ends: 2344 [2024-11-08 17:47:08,062 INFO L226 Difference]: Without dead ends: 1178 [2024-11-08 17:47:08,065 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-08 17:47:08,065 INFO L432 NwaCegarLoop]: 217 mSDtfsCounter, 127 mSDsluCounter, 478 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 695 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-08 17:47:08,066 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 695 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-08 17:47:08,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1178 states. [2024-11-08 17:47:08,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1178 to 1142. [2024-11-08 17:47:08,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1142 states, 981 states have (on average 1.2120285423037718) internal successors, (1189), 993 states have internal predecessors, (1189), 124 states have call successors, (124), 36 states have call predecessors, (124), 36 states have return successors, (124), 112 states have call predecessors, (124), 124 states have call successors, (124) [2024-11-08 17:47:08,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1142 states to 1142 states and 1437 transitions. [2024-11-08 17:47:08,258 INFO L78 Accepts]: Start accepts. Automaton has 1142 states and 1437 transitions. Word has length 140 [2024-11-08 17:47:08,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:47:08,259 INFO L471 AbstractCegarLoop]: Abstraction has 1142 states and 1437 transitions. [2024-11-08 17:47:08,259 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-08 17:47:08,259 INFO L276 IsEmpty]: Start isEmpty. Operand 1142 states and 1437 transitions. [2024-11-08 17:47:08,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-08 17:47:08,262 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:47:08,262 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:47:08,275 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/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 (24)] Ended with exit code 0 [2024-11-08 17:47:08,463 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 17:47:08,463 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:47:08,463 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:47:08,464 INFO L85 PathProgramCache]: Analyzing trace with hash -1657474828, now seen corresponding path program 1 times [2024-11-08 17:47:08,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:47:08,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [605088071] [2024-11-08 17:47:08,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:47:08,464 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 [2024-11-08 17:47:08,465 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 17:47:08,468 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 17:47:08,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/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 (25)] Waiting until timeout for monitored process [2024-11-08 17:47:08,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:08,977 INFO L255 TraceCheckSpWp]: Trace formula consists of 373 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 17:47:08,980 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:47:10,108 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 27 treesize of output 15 [2024-11-08 17:47:10,176 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 8 proven. 276 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2024-11-08 17:47:10,177 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 17:47:10,565 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-08 17:47:10,565 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 17:47:10,566 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [605088071] [2024-11-08 17:47:10,566 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [605088071] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 17:47:10,566 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 17:47:10,566 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [11] total 15 [2024-11-08 17:47:10,566 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1571848632] [2024-11-08 17:47:10,566 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:47:10,567 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 17:47:10,567 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 17:47:10,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 17:47:10,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=172, Unknown=0, NotChecked=0, Total=210 [2024-11-08 17:47:10,568 INFO L87 Difference]: Start difference. First operand 1142 states and 1437 transitions. Second operand has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-08 17:47:10,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:47:10,849 INFO L93 Difference]: Finished difference Result 2322 states and 2887 transitions. [2024-11-08 17:47:10,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 17:47:10,850 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 141 [2024-11-08 17:47:10,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:47:10,856 INFO L225 Difference]: With dead ends: 2322 [2024-11-08 17:47:10,856 INFO L226 Difference]: Without dead ends: 1574 [2024-11-08 17:47:10,858 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 281 GetRequests, 267 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=44, Invalid=196, Unknown=0, NotChecked=0, Total=240 [2024-11-08 17:47:10,859 INFO L432 NwaCegarLoop]: 197 mSDtfsCounter, 93 mSDsluCounter, 549 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 746 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 17:47:10,859 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 746 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 17:47:10,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1574 states. [2024-11-08 17:47:11,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1574 to 1134. [2024-11-08 17:47:11,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1134 states, 973 states have (on average 1.2014388489208634) internal successors, (1169), 985 states have internal predecessors, (1169), 124 states have call successors, (124), 36 states have call predecessors, (124), 36 states have return successors, (124), 112 states have call predecessors, (124), 124 states have call successors, (124) [2024-11-08 17:47:11,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1134 states to 1134 states and 1417 transitions. [2024-11-08 17:47:11,052 INFO L78 Accepts]: Start accepts. Automaton has 1134 states and 1417 transitions. Word has length 141 [2024-11-08 17:47:11,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:47:11,053 INFO L471 AbstractCegarLoop]: Abstraction has 1134 states and 1417 transitions. [2024-11-08 17:47:11,053 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-08 17:47:11,053 INFO L276 IsEmpty]: Start isEmpty. Operand 1134 states and 1417 transitions. [2024-11-08 17:47:11,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-08 17:47:11,055 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:47:11,055 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:47:11,067 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/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 (25)] Ended with exit code 0 [2024-11-08 17:47:11,259 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 17:47:11,260 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:47:11,260 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:47:11,260 INFO L85 PathProgramCache]: Analyzing trace with hash -1194389927, now seen corresponding path program 1 times [2024-11-08 17:47:11,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:47:11,261 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2025474725] [2024-11-08 17:47:11,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:47:11,261 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 [2024-11-08 17:47:11,262 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 17:47:11,263 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 17:47:11,265 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/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 (26)] Waiting until timeout for monitored process [2024-11-08 17:47:11,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:11,790 INFO L255 TraceCheckSpWp]: Trace formula consists of 379 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 17:47:11,792 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:47:11,811 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-08 17:47:11,812 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 17:47:11,812 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 17:47:11,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2025474725] [2024-11-08 17:47:11,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2025474725] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:47:11,812 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:47:11,812 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 17:47:11,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957918696] [2024-11-08 17:47:11,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:47:11,813 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 17:47:11,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 17:47:11,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 17:47:11,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 17:47:11,815 INFO L87 Difference]: Start difference. First operand 1134 states and 1417 transitions. Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-08 17:47:11,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:47:11,957 INFO L93 Difference]: Finished difference Result 1878 states and 2360 transitions. [2024-11-08 17:47:11,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 17:47:11,957 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 143 [2024-11-08 17:47:11,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:47:11,962 INFO L225 Difference]: With dead ends: 1878 [2024-11-08 17:47:11,962 INFO L226 Difference]: Without dead ends: 1134 [2024-11-08 17:47:11,963 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 17:47:11,964 INFO L432 NwaCegarLoop]: 139 mSDtfsCounter, 1 mSDsluCounter, 136 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 275 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 17:47:11,964 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 275 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 17:47:11,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1134 states. [2024-11-08 17:47:12,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1134 to 1134. [2024-11-08 17:47:12,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1134 states, 973 states have (on average 1.1891058581706064) internal successors, (1157), 985 states have internal predecessors, (1157), 124 states have call successors, (124), 36 states have call predecessors, (124), 36 states have return successors, (124), 112 states have call predecessors, (124), 124 states have call successors, (124) [2024-11-08 17:47:12,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1134 states to 1134 states and 1405 transitions. [2024-11-08 17:47:12,129 INFO L78 Accepts]: Start accepts. Automaton has 1134 states and 1405 transitions. Word has length 143 [2024-11-08 17:47:12,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:47:12,130 INFO L471 AbstractCegarLoop]: Abstraction has 1134 states and 1405 transitions. [2024-11-08 17:47:12,130 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-08 17:47:12,130 INFO L276 IsEmpty]: Start isEmpty. Operand 1134 states and 1405 transitions. [2024-11-08 17:47:12,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-08 17:47:12,131 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:47:12,131 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:47:12,142 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/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 (26)] Ended with exit code 0 [2024-11-08 17:47:12,332 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 17:47:12,332 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:47:12,333 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:47:12,333 INFO L85 PathProgramCache]: Analyzing trace with hash 191813467, now seen corresponding path program 1 times [2024-11-08 17:47:12,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:47:12,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [18893845] [2024-11-08 17:47:12,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:47:12,334 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 [2024-11-08 17:47:12,334 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 17:47:12,337 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 17:47:12,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/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 (27)] Waiting until timeout for monitored process [2024-11-08 17:47:12,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:12,911 INFO L255 TraceCheckSpWp]: Trace formula consists of 377 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 17:47:12,915 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:47:14,218 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 27 treesize of output 15 [2024-11-08 17:47:14,289 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 8 proven. 276 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2024-11-08 17:47:14,289 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 17:47:14,764 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-08 17:47:14,764 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 17:47:14,764 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [18893845] [2024-11-08 17:47:14,764 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [18893845] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 17:47:14,764 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 17:47:14,765 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [11] total 15 [2024-11-08 17:47:14,765 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114074363] [2024-11-08 17:47:14,765 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:47:14,765 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 17:47:14,766 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 17:47:14,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 17:47:14,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=172, Unknown=0, NotChecked=0, Total=210 [2024-11-08 17:47:14,767 INFO L87 Difference]: Start difference. First operand 1134 states and 1405 transitions. Second operand has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 states have internal predecessors, (66), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-08 17:47:15,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:47:15,109 INFO L93 Difference]: Finished difference Result 2094 states and 2589 transitions. [2024-11-08 17:47:15,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 17:47:15,111 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 states have internal predecessors, (66), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 143 [2024-11-08 17:47:15,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:47:15,119 INFO L225 Difference]: With dead ends: 2094 [2024-11-08 17:47:15,120 INFO L226 Difference]: Without dead ends: 1386 [2024-11-08 17:47:15,122 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 285 GetRequests, 271 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=44, Invalid=196, Unknown=0, NotChecked=0, Total=240 [2024-11-08 17:47:15,122 INFO L432 NwaCegarLoop]: 195 mSDtfsCounter, 77 mSDsluCounter, 544 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 739 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 17:47:15,123 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 739 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 17:47:15,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1386 states. [2024-11-08 17:47:15,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1386 to 1134. [2024-11-08 17:47:15,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1134 states, 973 states have (on average 1.1849948612538541) internal successors, (1153), 985 states have internal predecessors, (1153), 124 states have call successors, (124), 36 states have call predecessors, (124), 36 states have return successors, (124), 112 states have call predecessors, (124), 124 states have call successors, (124) [2024-11-08 17:47:15,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1134 states to 1134 states and 1401 transitions. [2024-11-08 17:47:15,286 INFO L78 Accepts]: Start accepts. Automaton has 1134 states and 1401 transitions. Word has length 143 [2024-11-08 17:47:15,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:47:15,286 INFO L471 AbstractCegarLoop]: Abstraction has 1134 states and 1401 transitions. [2024-11-08 17:47:15,287 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 states have internal predecessors, (66), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-08 17:47:15,287 INFO L276 IsEmpty]: Start isEmpty. Operand 1134 states and 1401 transitions. [2024-11-08 17:47:15,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-11-08 17:47:15,288 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:47:15,288 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:47:15,302 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/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 (27)] Ended with exit code 0 [2024-11-08 17:47:15,489 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 17:47:15,489 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:47:15,490 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:47:15,490 INFO L85 PathProgramCache]: Analyzing trace with hash -561594848, now seen corresponding path program 1 times [2024-11-08 17:47:15,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:47:15,490 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1908129478] [2024-11-08 17:47:15,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:47:15,491 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 [2024-11-08 17:47:15,491 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 17:47:15,492 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 17:47:15,494 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/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 (28)] Waiting until timeout for monitored process [2024-11-08 17:47:16,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:16,054 INFO L255 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-08 17:47:16,059 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:47:17,075 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 12 treesize of output 8 [2024-11-08 17:47:17,270 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 17 treesize of output 9 [2024-11-08 17:47:17,339 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 33 treesize of output 21 [2024-11-08 17:47:17,685 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 6 proven. 270 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2024-11-08 17:47:17,685 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 17:47:19,266 INFO L349 Elim1Store]: treesize reduction 4, result has 63.6 percent of original size [2024-11-08 17:47:19,267 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 20 treesize of output 19 [2024-11-08 17:47:19,580 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 27 proven. 18 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2024-11-08 17:47:19,580 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 17:47:19,580 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1908129478] [2024-11-08 17:47:19,580 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1908129478] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 17:47:19,580 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-08 17:47:19,581 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 26 [2024-11-08 17:47:19,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1604683670] [2024-11-08 17:47:19,581 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-08 17:47:19,581 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-08 17:47:19,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 17:47:19,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-08 17:47:19,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=574, Unknown=0, NotChecked=0, Total=650 [2024-11-08 17:47:19,583 INFO L87 Difference]: Start difference. First operand 1134 states and 1401 transitions. Second operand has 26 states, 24 states have (on average 4.166666666666667) internal successors, (100), 26 states have internal predecessors, (100), 4 states have call successors, (32), 3 states have call predecessors, (32), 5 states have return successors, (32), 2 states have call predecessors, (32), 4 states have call successors, (32) [2024-11-08 17:47:24,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:47:24,401 INFO L93 Difference]: Finished difference Result 2288 states and 2813 transitions. [2024-11-08 17:47:24,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-08 17:47:24,402 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 24 states have (on average 4.166666666666667) internal successors, (100), 26 states have internal predecessors, (100), 4 states have call successors, (32), 3 states have call predecessors, (32), 5 states have return successors, (32), 2 states have call predecessors, (32), 4 states have call successors, (32) Word has length 145 [2024-11-08 17:47:24,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:47:24,410 INFO L225 Difference]: With dead ends: 2288 [2024-11-08 17:47:24,410 INFO L226 Difference]: Without dead ends: 1580 [2024-11-08 17:47:24,413 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 314 GetRequests, 265 SyntacticMatches, 1 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 344 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=342, Invalid=2108, Unknown=0, NotChecked=0, Total=2450 [2024-11-08 17:47:24,414 INFO L432 NwaCegarLoop]: 168 mSDtfsCounter, 305 mSDsluCounter, 2216 mSDsCounter, 0 mSdLazyCounter, 963 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 305 SdHoareTripleChecker+Valid, 2384 SdHoareTripleChecker+Invalid, 1041 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 963 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2024-11-08 17:47:24,414 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [305 Valid, 2384 Invalid, 1041 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 963 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2024-11-08 17:47:24,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1580 states. [2024-11-08 17:47:24,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1580 to 1510. [2024-11-08 17:47:24,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1510 states, 1309 states have (on average 1.189457601222307) internal successors, (1557), 1325 states have internal predecessors, (1557), 148 states have call successors, (148), 52 states have call predecessors, (148), 52 states have return successors, (148), 132 states have call predecessors, (148), 148 states have call successors, (148) [2024-11-08 17:47:24,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1510 states to 1510 states and 1853 transitions. [2024-11-08 17:47:24,692 INFO L78 Accepts]: Start accepts. Automaton has 1510 states and 1853 transitions. Word has length 145 [2024-11-08 17:47:24,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:47:24,693 INFO L471 AbstractCegarLoop]: Abstraction has 1510 states and 1853 transitions. [2024-11-08 17:47:24,693 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 24 states have (on average 4.166666666666667) internal successors, (100), 26 states have internal predecessors, (100), 4 states have call successors, (32), 3 states have call predecessors, (32), 5 states have return successors, (32), 2 states have call predecessors, (32), 4 states have call successors, (32) [2024-11-08 17:47:24,693 INFO L276 IsEmpty]: Start isEmpty. Operand 1510 states and 1853 transitions. [2024-11-08 17:47:24,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2024-11-08 17:47:24,697 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:47:24,698 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:47:24,710 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/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 (28)] Ended with exit code 0 [2024-11-08 17:47:24,898 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 17:47:24,898 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:47:24,899 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:47:24,899 INFO L85 PathProgramCache]: Analyzing trace with hash -1072870754, now seen corresponding path program 1 times [2024-11-08 17:47:24,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:47:24,900 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [185012267] [2024-11-08 17:47:24,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:47:24,900 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 [2024-11-08 17:47:24,900 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 17:47:24,901 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 17:47:24,903 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/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 (29)] Waiting until timeout for monitored process [2024-11-08 17:47:25,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:25,540 INFO L255 TraceCheckSpWp]: Trace formula consists of 605 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 17:47:25,544 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:47:26,339 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 27 treesize of output 15 [2024-11-08 17:47:26,400 INFO L134 CoverageAnalysis]: Checked inductivity of 2047 backedges. 1090 proven. 102 refuted. 0 times theorem prover too weak. 855 trivial. 0 not checked. [2024-11-08 17:47:26,400 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 17:47:26,859 INFO L134 CoverageAnalysis]: Checked inductivity of 2047 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 1995 trivial. 0 not checked. [2024-11-08 17:47:26,860 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 17:47:26,860 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [185012267] [2024-11-08 17:47:26,860 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [185012267] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 17:47:26,860 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 17:47:26,860 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10] total 13 [2024-11-08 17:47:26,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [714815577] [2024-11-08 17:47:26,860 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:47:26,861 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 17:47:26,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 17:47:26,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 17:47:26,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2024-11-08 17:47:26,862 INFO L87 Difference]: Start difference. First operand 1510 states and 1853 transitions. Second operand has 5 states, 5 states have (on average 21.8) internal successors, (109), 5 states have internal predecessors, (109), 2 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-11-08 17:47:27,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:47:27,083 INFO L93 Difference]: Finished difference Result 2942 states and 3604 transitions. [2024-11-08 17:47:27,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 17:47:27,084 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.8) internal successors, (109), 5 states have internal predecessors, (109), 2 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 272 [2024-11-08 17:47:27,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:47:27,089 INFO L225 Difference]: With dead ends: 2942 [2024-11-08 17:47:27,089 INFO L226 Difference]: Without dead ends: 1512 [2024-11-08 17:47:27,091 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 543 GetRequests, 531 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2024-11-08 17:47:27,092 INFO L432 NwaCegarLoop]: 178 mSDtfsCounter, 96 mSDsluCounter, 283 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 461 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 17:47:27,092 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 461 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 17:47:27,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1512 states. [2024-11-08 17:47:27,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1512 to 1510. [2024-11-08 17:47:27,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1510 states, 1309 states have (on average 1.1757066462948815) internal successors, (1539), 1325 states have internal predecessors, (1539), 148 states have call successors, (148), 52 states have call predecessors, (148), 52 states have return successors, (148), 132 states have call predecessors, (148), 148 states have call successors, (148) [2024-11-08 17:47:27,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1510 states to 1510 states and 1835 transitions. [2024-11-08 17:47:27,324 INFO L78 Accepts]: Start accepts. Automaton has 1510 states and 1835 transitions. Word has length 272 [2024-11-08 17:47:27,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:47:27,325 INFO L471 AbstractCegarLoop]: Abstraction has 1510 states and 1835 transitions. [2024-11-08 17:47:27,325 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.8) internal successors, (109), 5 states have internal predecessors, (109), 2 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-11-08 17:47:27,325 INFO L276 IsEmpty]: Start isEmpty. Operand 1510 states and 1835 transitions. [2024-11-08 17:47:27,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2024-11-08 17:47:27,329 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:47:27,329 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:47:27,341 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/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 (29)] Forceful destruction successful, exit code 0 [2024-11-08 17:47:27,530 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 17:47:27,530 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:47:27,530 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:47:27,530 INFO L85 PathProgramCache]: Analyzing trace with hash 1677207888, now seen corresponding path program 1 times [2024-11-08 17:47:27,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:47:27,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1670276446] [2024-11-08 17:47:27,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:47:27,531 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 [2024-11-08 17:47:27,531 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 17:47:27,532 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 17:47:27,534 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/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 (30)] Waiting until timeout for monitored process [2024-11-08 17:47:28,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:28,145 INFO L255 TraceCheckSpWp]: Trace formula consists of 610 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-08 17:47:28,149 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:47:29,270 INFO L134 CoverageAnalysis]: Checked inductivity of 2047 backedges. 1084 proven. 276 refuted. 0 times theorem prover too weak. 687 trivial. 0 not checked. [2024-11-08 17:47:29,271 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 17:47:29,947 INFO L134 CoverageAnalysis]: Checked inductivity of 2047 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 1995 trivial. 0 not checked. [2024-11-08 17:47:29,947 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 17:47:29,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1670276446] [2024-11-08 17:47:29,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1670276446] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 17:47:29,948 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 17:47:29,948 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [11] total 14 [2024-11-08 17:47:29,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1517949298] [2024-11-08 17:47:29,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:47:29,949 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 17:47:29,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 17:47:29,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 17:47:29,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2024-11-08 17:47:29,950 INFO L87 Difference]: Start difference. First operand 1510 states and 1835 transitions. Second operand has 6 states, 6 states have (on average 18.666666666666668) internal successors, (112), 6 states have internal predecessors, (112), 2 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-11-08 17:47:30,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:47:30,367 INFO L93 Difference]: Finished difference Result 2762 states and 3343 transitions. [2024-11-08 17:47:30,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 17:47:30,368 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 18.666666666666668) internal successors, (112), 6 states have internal predecessors, (112), 2 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 275 [2024-11-08 17:47:30,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:47:30,379 INFO L225 Difference]: With dead ends: 2762 [2024-11-08 17:47:30,380 INFO L226 Difference]: Without dead ends: 1660 [2024-11-08 17:47:30,381 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 549 GetRequests, 536 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=41, Invalid=169, Unknown=0, NotChecked=0, Total=210 [2024-11-08 17:47:30,382 INFO L432 NwaCegarLoop]: 199 mSDtfsCounter, 180 mSDsluCounter, 424 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 180 SdHoareTripleChecker+Valid, 623 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 17:47:30,383 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [180 Valid, 623 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 17:47:30,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1660 states. [2024-11-08 17:47:30,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1660 to 1472. [2024-11-08 17:47:30,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1472 states, 1271 states have (on average 1.163650668764752) internal successors, (1479), 1287 states have internal predecessors, (1479), 148 states have call successors, (148), 52 states have call predecessors, (148), 52 states have return successors, (148), 132 states have call predecessors, (148), 148 states have call successors, (148) [2024-11-08 17:47:30,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1472 states to 1472 states and 1775 transitions. [2024-11-08 17:47:30,644 INFO L78 Accepts]: Start accepts. Automaton has 1472 states and 1775 transitions. Word has length 275 [2024-11-08 17:47:30,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:47:30,645 INFO L471 AbstractCegarLoop]: Abstraction has 1472 states and 1775 transitions. [2024-11-08 17:47:30,645 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 18.666666666666668) internal successors, (112), 6 states have internal predecessors, (112), 2 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-11-08 17:47:30,646 INFO L276 IsEmpty]: Start isEmpty. Operand 1472 states and 1775 transitions. [2024-11-08 17:47:30,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2024-11-08 17:47:30,650 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:47:30,650 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:47:30,665 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/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 (30)] Ended with exit code 0 [2024-11-08 17:47:30,851 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 17:47:30,851 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:47:30,851 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:47:30,852 INFO L85 PathProgramCache]: Analyzing trace with hash -1694591982, now seen corresponding path program 1 times [2024-11-08 17:47:30,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:47:30,853 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [166439818] [2024-11-08 17:47:30,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:47:30,853 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 [2024-11-08 17:47:30,853 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 17:47:30,854 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 17:47:30,856 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/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 (31)] Waiting until timeout for monitored process [2024-11-08 17:47:31,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:31,560 INFO L255 TraceCheckSpWp]: Trace formula consists of 612 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 17:47:31,568 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:47:31,607 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 17 treesize of output 9 [2024-11-08 17:47:32,213 INFO L134 CoverageAnalysis]: Checked inductivity of 2047 backedges. 1076 proven. 0 refuted. 0 times theorem prover too weak. 971 trivial. 0 not checked. [2024-11-08 17:47:32,213 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 17:47:32,214 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 17:47:32,214 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [166439818] [2024-11-08 17:47:32,214 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [166439818] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:47:32,214 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:47:32,214 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 17:47:32,215 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [946403795] [2024-11-08 17:47:32,215 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:47:32,216 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 17:47:32,216 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 17:47:32,216 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 17:47:32,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 17:47:32,217 INFO L87 Difference]: Start difference. First operand 1472 states and 1775 transitions. Second operand has 5 states, 5 states have (on average 23.0) internal successors, (115), 4 states have internal predecessors, (115), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-11-08 17:47:32,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:47:32,653 INFO L93 Difference]: Finished difference Result 2580 states and 3110 transitions. [2024-11-08 17:47:32,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 17:47:32,654 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.0) internal successors, (115), 4 states have internal predecessors, (115), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 275 [2024-11-08 17:47:32,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:47:32,661 INFO L225 Difference]: With dead ends: 2580 [2024-11-08 17:47:32,662 INFO L226 Difference]: Without dead ends: 1528 [2024-11-08 17:47:32,664 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 276 GetRequests, 271 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-08 17:47:32,664 INFO L432 NwaCegarLoop]: 133 mSDtfsCounter, 151 mSDsluCounter, 388 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 521 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 17:47:32,665 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [151 Valid, 521 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 17:47:32,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1528 states. [2024-11-08 17:47:32,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1528 to 1482. [2024-11-08 17:47:32,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1482 states, 1281 states have (on average 1.1623731459797033) internal successors, (1489), 1297 states have internal predecessors, (1489), 148 states have call successors, (148), 52 states have call predecessors, (148), 52 states have return successors, (148), 132 states have call predecessors, (148), 148 states have call successors, (148) [2024-11-08 17:47:32,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1482 states to 1482 states and 1785 transitions. [2024-11-08 17:47:32,918 INFO L78 Accepts]: Start accepts. Automaton has 1482 states and 1785 transitions. Word has length 275 [2024-11-08 17:47:32,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:47:32,918 INFO L471 AbstractCegarLoop]: Abstraction has 1482 states and 1785 transitions. [2024-11-08 17:47:32,918 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.0) internal successors, (115), 4 states have internal predecessors, (115), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-11-08 17:47:32,918 INFO L276 IsEmpty]: Start isEmpty. Operand 1482 states and 1785 transitions. [2024-11-08 17:47:32,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2024-11-08 17:47:32,922 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:47:32,922 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:47:32,939 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/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 (31)] Ended with exit code 0 [2024-11-08 17:47:33,123 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 17:47:33,123 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:47:33,123 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:47:33,124 INFO L85 PathProgramCache]: Analyzing trace with hash 2277931, now seen corresponding path program 1 times [2024-11-08 17:47:33,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:47:33,124 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2050819647] [2024-11-08 17:47:33,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:47:33,125 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 [2024-11-08 17:47:33,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 17:47:33,126 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 17:47:33,128 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/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 (32)] Waiting until timeout for monitored process [2024-11-08 17:47:33,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:33,963 INFO L255 TraceCheckSpWp]: Trace formula consists of 620 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-08 17:47:33,971 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:47:35,345 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 12 treesize of output 8 [2024-11-08 17:47:35,532 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 17 treesize of output 9 [2024-11-08 17:47:35,991 INFO L134 CoverageAnalysis]: Checked inductivity of 2047 backedges. 13 proven. 1074 refuted. 0 times theorem prover too weak. 960 trivial. 0 not checked. [2024-11-08 17:47:35,992 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 17:47:36,546 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 34 treesize of output 30 [2024-11-08 17:47:37,218 INFO L134 CoverageAnalysis]: Checked inductivity of 2047 backedges. 13 proven. 50 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-11-08 17:47:37,218 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 17:47:37,218 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2050819647] [2024-11-08 17:47:37,218 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2050819647] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 17:47:37,218 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-08 17:47:37,219 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6] total 7 [2024-11-08 17:47:37,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1817960377] [2024-11-08 17:47:37,234 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-08 17:47:37,234 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 17:47:37,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 17:47:37,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 17:47:37,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-08 17:47:37,236 INFO L87 Difference]: Start difference. First operand 1482 states and 1785 transitions. Second operand has 7 states, 7 states have (on average 23.285714285714285) internal successors, (163), 7 states have internal predecessors, (163), 2 states have call successors, (64), 3 states have call predecessors, (64), 3 states have return successors, (64), 2 states have call predecessors, (64), 2 states have call successors, (64) [2024-11-08 17:47:38,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:47:38,016 INFO L93 Difference]: Finished difference Result 2144 states and 2584 transitions. [2024-11-08 17:47:38,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 17:47:38,017 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 23.285714285714285) internal successors, (163), 7 states have internal predecessors, (163), 2 states have call successors, (64), 3 states have call predecessors, (64), 3 states have return successors, (64), 2 states have call predecessors, (64), 2 states have call successors, (64) Word has length 279 [2024-11-08 17:47:38,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:47:38,022 INFO L225 Difference]: With dead ends: 2144 [2024-11-08 17:47:38,022 INFO L226 Difference]: Without dead ends: 1092 [2024-11-08 17:47:38,023 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 560 GetRequests, 551 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-11-08 17:47:38,024 INFO L432 NwaCegarLoop]: 279 mSDtfsCounter, 205 mSDsluCounter, 517 mSDsCounter, 0 mSdLazyCounter, 174 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 205 SdHoareTripleChecker+Valid, 796 SdHoareTripleChecker+Invalid, 208 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 174 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-08 17:47:38,025 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [205 Valid, 796 Invalid, 208 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 174 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-08 17:47:38,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1092 states. [2024-11-08 17:47:38,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1092 to 1092. [2024-11-08 17:47:38,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1092 states, 913 states have (on average 1.1292442497261774) internal successors, (1031), 925 states have internal predecessors, (1031), 132 states have call successors, (132), 46 states have call predecessors, (132), 46 states have return successors, (132), 120 states have call predecessors, (132), 132 states have call successors, (132) [2024-11-08 17:47:38,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1092 states to 1092 states and 1295 transitions. [2024-11-08 17:47:38,280 INFO L78 Accepts]: Start accepts. Automaton has 1092 states and 1295 transitions. Word has length 279 [2024-11-08 17:47:38,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:47:38,280 INFO L471 AbstractCegarLoop]: Abstraction has 1092 states and 1295 transitions. [2024-11-08 17:47:38,281 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 23.285714285714285) internal successors, (163), 7 states have internal predecessors, (163), 2 states have call successors, (64), 3 states have call predecessors, (64), 3 states have return successors, (64), 2 states have call predecessors, (64), 2 states have call successors, (64) [2024-11-08 17:47:38,281 INFO L276 IsEmpty]: Start isEmpty. Operand 1092 states and 1295 transitions. [2024-11-08 17:47:38,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2024-11-08 17:47:38,284 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:47:38,285 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:47:38,300 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/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 (32)] Ended with exit code 0 [2024-11-08 17:47:38,485 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 17:47:38,486 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:47:38,486 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:47:38,486 INFO L85 PathProgramCache]: Analyzing trace with hash 1207275108, now seen corresponding path program 1 times [2024-11-08 17:47:38,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:47:38,487 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1442327093] [2024-11-08 17:47:38,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:47:38,487 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 [2024-11-08 17:47:38,487 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 17:47:38,489 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 17:47:38,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/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 (33)] Waiting until timeout for monitored process [2024-11-08 17:47:39,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:39,361 INFO L255 TraceCheckSpWp]: Trace formula consists of 624 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-08 17:47:39,365 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:47:39,485 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 24 treesize of output 16 [2024-11-08 17:47:39,492 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 20 treesize of output 12 [2024-11-08 17:47:39,546 INFO L134 CoverageAnalysis]: Checked inductivity of 2047 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 2026 trivial. 0 not checked. [2024-11-08 17:47:39,546 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 17:47:39,546 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 17:47:39,546 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1442327093] [2024-11-08 17:47:39,546 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1442327093] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:47:39,546 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:47:39,547 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 17:47:39,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1007627320] [2024-11-08 17:47:39,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:47:39,547 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 17:47:39,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 17:47:39,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 17:47:39,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 17:47:39,548 INFO L87 Difference]: Start difference. First operand 1092 states and 1295 transitions. Second operand has 5 states, 5 states have (on average 19.8) internal successors, (99), 5 states have internal predecessors, (99), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-08 17:47:40,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:47:40,025 INFO L93 Difference]: Finished difference Result 2118 states and 2512 transitions. [2024-11-08 17:47:40,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 17:47:40,026 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.8) internal successors, (99), 5 states have internal predecessors, (99), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 281 [2024-11-08 17:47:40,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:47:40,031 INFO L225 Difference]: With dead ends: 2118 [2024-11-08 17:47:40,031 INFO L226 Difference]: Without dead ends: 1530 [2024-11-08 17:47:40,033 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 281 GetRequests, 277 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-08 17:47:40,033 INFO L432 NwaCegarLoop]: 181 mSDtfsCounter, 66 mSDsluCounter, 456 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 637 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-08 17:47:40,034 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 637 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-08 17:47:40,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1530 states. [2024-11-08 17:47:40,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1530 to 1522. [2024-11-08 17:47:40,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1522 states, 1321 states have (on average 1.1347464042392128) internal successors, (1499), 1339 states have internal predecessors, (1499), 144 states have call successors, (144), 56 states have call predecessors, (144), 56 states have return successors, (144), 126 states have call predecessors, (144), 144 states have call successors, (144) [2024-11-08 17:47:40,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1522 states to 1522 states and 1787 transitions. [2024-11-08 17:47:40,330 INFO L78 Accepts]: Start accepts. Automaton has 1522 states and 1787 transitions. Word has length 281 [2024-11-08 17:47:40,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:47:40,331 INFO L471 AbstractCegarLoop]: Abstraction has 1522 states and 1787 transitions. [2024-11-08 17:47:40,331 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.8) internal successors, (99), 5 states have internal predecessors, (99), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-08 17:47:40,331 INFO L276 IsEmpty]: Start isEmpty. Operand 1522 states and 1787 transitions. [2024-11-08 17:47:40,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2024-11-08 17:47:40,335 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:47:40,336 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:47:40,352 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/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 (33)] Forceful destruction successful, exit code 0 [2024-11-08 17:47:40,536 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 17:47:40,536 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:47:40,537 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:47:40,537 INFO L85 PathProgramCache]: Analyzing trace with hash -2066623834, now seen corresponding path program 1 times [2024-11-08 17:47:40,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:47:40,538 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1110729961] [2024-11-08 17:47:40,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:47:40,539 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 [2024-11-08 17:47:40,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 17:47:40,540 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 17:47:40,541 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/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 (34)] Waiting until timeout for monitored process [2024-11-08 17:47:41,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:41,530 INFO L255 TraceCheckSpWp]: Trace formula consists of 624 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 17:47:41,538 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:47:43,527 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 19 treesize of output 15 [2024-11-08 17:47:43,601 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 24 treesize of output 16 [2024-11-08 17:47:43,634 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 22 treesize of output 14 [2024-11-08 17:47:43,756 INFO L134 CoverageAnalysis]: Checked inductivity of 2047 backedges. 11 proven. 1054 refuted. 0 times theorem prover too weak. 982 trivial. 0 not checked. [2024-11-08 17:47:43,757 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 17:47:44,255 INFO L134 CoverageAnalysis]: Checked inductivity of 2047 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 2026 trivial. 0 not checked. [2024-11-08 17:47:44,255 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 17:47:44,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1110729961] [2024-11-08 17:47:44,256 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1110729961] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 17:47:44,256 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 17:47:44,256 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [9] total 13 [2024-11-08 17:47:44,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543311659] [2024-11-08 17:47:44,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:47:44,257 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-08 17:47:44,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 17:47:44,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-08 17:47:44,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-08 17:47:44,259 INFO L87 Difference]: Start difference. First operand 1522 states and 1787 transitions. Second operand has 8 states, 8 states have (on average 12.375) internal successors, (99), 8 states have internal predecessors, (99), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-08 17:47:45,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:47:45,162 INFO L93 Difference]: Finished difference Result 2496 states and 2939 transitions. [2024-11-08 17:47:45,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 17:47:45,162 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.375) internal successors, (99), 8 states have internal predecessors, (99), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 281 [2024-11-08 17:47:45,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:47:45,168 INFO L225 Difference]: With dead ends: 2496 [2024-11-08 17:47:45,168 INFO L226 Difference]: Without dead ends: 1452 [2024-11-08 17:47:45,170 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 564 GetRequests, 548 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2024-11-08 17:47:45,170 INFO L432 NwaCegarLoop]: 180 mSDtfsCounter, 66 mSDsluCounter, 957 mSDsCounter, 0 mSdLazyCounter, 174 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 1137 SdHoareTripleChecker+Invalid, 175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 174 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-08 17:47:45,170 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 1137 Invalid, 175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 174 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-08 17:47:45,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1452 states. [2024-11-08 17:47:45,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1452 to 1444. [2024-11-08 17:47:45,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1444 states, 1243 states have (on average 1.1271118262268705) internal successors, (1401), 1261 states have internal predecessors, (1401), 144 states have call successors, (144), 56 states have call predecessors, (144), 56 states have return successors, (144), 126 states have call predecessors, (144), 144 states have call successors, (144) [2024-11-08 17:47:45,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1444 states to 1444 states and 1689 transitions. [2024-11-08 17:47:45,339 INFO L78 Accepts]: Start accepts. Automaton has 1444 states and 1689 transitions. Word has length 281 [2024-11-08 17:47:45,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:47:45,340 INFO L471 AbstractCegarLoop]: Abstraction has 1444 states and 1689 transitions. [2024-11-08 17:47:45,340 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.375) internal successors, (99), 8 states have internal predecessors, (99), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-08 17:47:45,340 INFO L276 IsEmpty]: Start isEmpty. Operand 1444 states and 1689 transitions. [2024-11-08 17:47:45,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2024-11-08 17:47:45,343 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:47:45,344 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:47:45,355 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/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 (34)] Forceful destruction successful, exit code 0 [2024-11-08 17:47:45,544 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 17:47:45,544 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:47:45,544 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:47:45,545 INFO L85 PathProgramCache]: Analyzing trace with hash 1269314722, now seen corresponding path program 1 times [2024-11-08 17:47:45,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:47:45,545 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [385630043] [2024-11-08 17:47:45,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:47:45,546 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 [2024-11-08 17:47:45,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 17:47:45,549 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 17:47:45,550 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/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 (35)] Waiting until timeout for monitored process [2024-11-08 17:47:46,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:46,231 INFO L255 TraceCheckSpWp]: Trace formula consists of 624 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 17:47:46,236 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:47:47,933 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 19 treesize of output 15 [2024-11-08 17:47:48,005 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 24 treesize of output 16 [2024-11-08 17:47:48,039 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 22 treesize of output 14 [2024-11-08 17:47:48,168 INFO L134 CoverageAnalysis]: Checked inductivity of 2047 backedges. 11 proven. 1002 refuted. 0 times theorem prover too weak. 1034 trivial. 0 not checked. [2024-11-08 17:47:48,168 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 17:47:48,718 INFO L134 CoverageAnalysis]: Checked inductivity of 2047 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 2026 trivial. 0 not checked. [2024-11-08 17:47:48,719 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 17:47:48,719 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [385630043] [2024-11-08 17:47:48,719 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [385630043] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 17:47:48,719 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 17:47:48,719 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [9] total 13 [2024-11-08 17:47:48,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [626284906] [2024-11-08 17:47:48,720 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:47:48,720 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-08 17:47:48,720 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 17:47:48,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-08 17:47:48,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-08 17:47:48,722 INFO L87 Difference]: Start difference. First operand 1444 states and 1689 transitions. Second operand has 8 states, 8 states have (on average 12.375) internal successors, (99), 8 states have internal predecessors, (99), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-08 17:47:49,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:47:49,773 INFO L93 Difference]: Finished difference Result 2478 states and 2896 transitions. [2024-11-08 17:47:49,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 17:47:49,774 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.375) internal successors, (99), 8 states have internal predecessors, (99), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 281 [2024-11-08 17:47:49,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:47:49,781 INFO L225 Difference]: With dead ends: 2478 [2024-11-08 17:47:49,781 INFO L226 Difference]: Without dead ends: 1536 [2024-11-08 17:47:49,783 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 565 GetRequests, 549 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2024-11-08 17:47:49,784 INFO L432 NwaCegarLoop]: 148 mSDtfsCounter, 77 mSDsluCounter, 807 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 955 SdHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-08 17:47:49,784 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 955 Invalid, 151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-08 17:47:49,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1536 states. [2024-11-08 17:47:50,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1536 to 1454. [2024-11-08 17:47:50,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1454 states, 1243 states have (on average 1.1255028157683025) internal successors, (1399), 1259 states have internal predecessors, (1399), 148 states have call successors, (148), 62 states have call predecessors, (148), 62 states have return successors, (148), 132 states have call predecessors, (148), 148 states have call successors, (148) [2024-11-08 17:47:50,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1454 states to 1454 states and 1695 transitions. [2024-11-08 17:47:50,037 INFO L78 Accepts]: Start accepts. Automaton has 1454 states and 1695 transitions. Word has length 281 [2024-11-08 17:47:50,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:47:50,038 INFO L471 AbstractCegarLoop]: Abstraction has 1454 states and 1695 transitions. [2024-11-08 17:47:50,038 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.375) internal successors, (99), 8 states have internal predecessors, (99), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-08 17:47:50,038 INFO L276 IsEmpty]: Start isEmpty. Operand 1454 states and 1695 transitions. [2024-11-08 17:47:50,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2024-11-08 17:47:50,042 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:47:50,043 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:47:50,059 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/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 (35)] Ended with exit code 0 [2024-11-08 17:47:50,243 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 17:47:50,244 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:47:50,244 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:47:50,245 INFO L85 PathProgramCache]: Analyzing trace with hash -2004584220, now seen corresponding path program 1 times [2024-11-08 17:47:50,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:47:50,246 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2016236134] [2024-11-08 17:47:50,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:47:50,246 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 [2024-11-08 17:47:50,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 17:47:50,250 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 17:47:50,252 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/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 (36)] Waiting until timeout for monitored process [2024-11-08 17:47:51,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:51,145 INFO L255 TraceCheckSpWp]: Trace formula consists of 624 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-08 17:47:51,148 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:47:51,293 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 25 treesize of output 17 [2024-11-08 17:47:51,300 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 21 treesize of output 13 [2024-11-08 17:47:51,422 INFO L134 CoverageAnalysis]: Checked inductivity of 2047 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 2026 trivial. 0 not checked. [2024-11-08 17:47:51,422 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 17:47:51,422 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 17:47:51,422 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2016236134] [2024-11-08 17:47:51,422 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2016236134] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:47:51,422 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:47:51,422 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 17:47:51,423 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1056489558] [2024-11-08 17:47:51,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:47:51,423 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 17:47:51,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 17:47:51,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 17:47:51,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 17:47:51,424 INFO L87 Difference]: Start difference. First operand 1454 states and 1695 transitions. Second operand has 5 states, 5 states have (on average 19.8) internal successors, (99), 5 states have internal predecessors, (99), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-08 17:47:52,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:47:52,338 INFO L93 Difference]: Finished difference Result 2482 states and 2871 transitions. [2024-11-08 17:47:52,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 17:47:52,339 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.8) internal successors, (99), 5 states have internal predecessors, (99), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 281 [2024-11-08 17:47:52,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:47:52,345 INFO L225 Difference]: With dead ends: 2482 [2024-11-08 17:47:52,349 INFO L226 Difference]: Without dead ends: 1438 [2024-11-08 17:47:52,350 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 281 GetRequests, 277 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-08 17:47:52,350 INFO L432 NwaCegarLoop]: 201 mSDtfsCounter, 63 mSDsluCounter, 493 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 694 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-08 17:47:52,351 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 694 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-08 17:47:52,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1438 states. [2024-11-08 17:47:52,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1438 to 1428. [2024-11-08 17:47:52,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1428 states, 1208 states have (on average 1.1059602649006623) internal successors, (1336), 1226 states have internal predecessors, (1336), 151 states have call successors, (151), 68 states have call predecessors, (151), 68 states have return successors, (151), 133 states have call predecessors, (151), 151 states have call successors, (151) [2024-11-08 17:47:52,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1428 states to 1428 states and 1638 transitions. [2024-11-08 17:47:52,550 INFO L78 Accepts]: Start accepts. Automaton has 1428 states and 1638 transitions. Word has length 281 [2024-11-08 17:47:52,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:47:52,550 INFO L471 AbstractCegarLoop]: Abstraction has 1428 states and 1638 transitions. [2024-11-08 17:47:52,550 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.8) internal successors, (99), 5 states have internal predecessors, (99), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-08 17:47:52,551 INFO L276 IsEmpty]: Start isEmpty. Operand 1428 states and 1638 transitions. [2024-11-08 17:47:52,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2024-11-08 17:47:52,554 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:47:52,555 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:47:52,568 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/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 (36)] Ended with exit code 0 [2024-11-08 17:47:52,757 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 17:47:52,758 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:47:52,759 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:47:52,759 INFO L85 PathProgramCache]: Analyzing trace with hash 416373367, now seen corresponding path program 1 times [2024-11-08 17:47:52,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:47:52,760 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1832493330] [2024-11-08 17:47:52,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:47:52,761 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 [2024-11-08 17:47:52,761 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 17:47:52,766 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 17:47:52,768 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/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 (37)] Waiting until timeout for monitored process [2024-11-08 17:47:53,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:53,835 INFO L255 TraceCheckSpWp]: Trace formula consists of 650 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 17:47:53,840 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:47:55,028 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 12 treesize of output 8 [2024-11-08 17:47:55,213 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 17 treesize of output 9 [2024-11-08 17:47:55,940 INFO L134 CoverageAnalysis]: Checked inductivity of 2058 backedges. 17 proven. 1081 refuted. 0 times theorem prover too weak. 960 trivial. 0 not checked. [2024-11-08 17:47:55,940 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 17:47:56,408 INFO L134 CoverageAnalysis]: Checked inductivity of 2058 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 2029 trivial. 0 not checked. [2024-11-08 17:47:56,408 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 17:47:56,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1832493330] [2024-11-08 17:47:56,409 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1832493330] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 17:47:56,409 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 17:47:56,409 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 10 [2024-11-08 17:47:56,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759178701] [2024-11-08 17:47:56,409 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:47:56,410 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 17:47:56,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 17:47:56,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 17:47:56,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-11-08 17:47:56,411 INFO L87 Difference]: Start difference. First operand 1428 states and 1638 transitions. Second operand has 5 states, 5 states have (on average 21.6) internal successors, (108), 5 states have internal predecessors, (108), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-08 17:47:56,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:47:56,822 INFO L93 Difference]: Finished difference Result 2376 states and 2705 transitions. [2024-11-08 17:47:56,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 17:47:56,823 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.6) internal successors, (108), 5 states have internal predecessors, (108), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 292 [2024-11-08 17:47:56,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:47:56,825 INFO L225 Difference]: With dead ends: 2376 [2024-11-08 17:47:56,825 INFO L226 Difference]: Without dead ends: 0 [2024-11-08 17:47:56,827 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 583 GetRequests, 573 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2024-11-08 17:47:56,828 INFO L432 NwaCegarLoop]: 162 mSDtfsCounter, 52 mSDsluCounter, 262 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 424 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 17:47:56,828 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 424 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 17:47:56,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-08 17:47:56,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-08 17:47:56,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:47:56,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-08 17:47:56,831 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 292 [2024-11-08 17:47:56,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:47:56,831 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-08 17:47:56,831 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.6) internal successors, (108), 5 states have internal predecessors, (108), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-08 17:47:56,832 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-08 17:47:56,832 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-08 17:47:56,835 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-08 17:47:56,858 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/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 (37)] Forceful destruction successful, exit code 0 [2024-11-08 17:47:57,036 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_709aa6bc-1b18-460a-ba0a-d71adf5cb849/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 17:47:57,040 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:47:57,043 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-08 17:48:51,336 WARN L286 SmtUtils]: Spent 48.30s on a formula simplification. DAG size of input: 143 DAG size of output: 126 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-11-08 17:52:53,048 WARN L286 SmtUtils]: Spent 4.02m on a formula simplification. DAG size of input: 812 DAG size of output: 115 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-11-08 17:53:42,178 WARN L286 SmtUtils]: Spent 49.13s on a formula simplification. DAG size of input: 187 DAG size of output: 145 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-11-08 17:55:19,061 WARN L286 SmtUtils]: Spent 1.61m on a formula simplification. DAG size of input: 231 DAG size of output: 172 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter)