./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-9.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 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_dc24c8a8-d0af-4386-a981-d50f884bb54b/bin/uautomizer-verify-zZY32mL2XJ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24c8a8-d0af-4386-a981-d50f884bb54b/bin/uautomizer-verify-zZY32mL2XJ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24c8a8-d0af-4386-a981-d50f884bb54b/bin/uautomizer-verify-zZY32mL2XJ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24c8a8-d0af-4386-a981-d50f884bb54b/bin/uautomizer-verify-zZY32mL2XJ/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-9.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24c8a8-d0af-4386-a981-d50f884bb54b/bin/uautomizer-verify-zZY32mL2XJ/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24c8a8-d0af-4386-a981-d50f884bb54b/bin/uautomizer-verify-zZY32mL2XJ --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 1c975edcf93ad701ca3189f1eb3683e2db491e10cd89ec62916352d02b9ad719 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 22:36:43,883 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 22:36:43,949 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24c8a8-d0af-4386-a981-d50f884bb54b/bin/uautomizer-verify-zZY32mL2XJ/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-23 22:36:43,955 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 22:36:43,956 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 22:36:43,981 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 22:36:43,982 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 22:36:43,982 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 22:36:43,983 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-23 22:36:43,984 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-23 22:36:43,984 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 22:36:43,985 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 22:36:43,986 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 22:36:43,986 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 22:36:43,987 INFO L153 SettingsManager]: * Use SBE=true [2023-11-23 22:36:43,988 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 22:36:43,988 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 22:36:43,989 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 22:36:43,989 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 22:36:43,990 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 22:36:43,991 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 22:36:43,991 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 22:36:43,996 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 22:36:43,997 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 22:36:43,997 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 22:36:43,997 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 22:36:43,998 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 22:36:43,998 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 22:36:43,998 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 22:36:43,999 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 22:36:43,999 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 22:36:43,999 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 22:36:44,000 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 22:36:44,000 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 22:36:44,000 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 22:36:44,000 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-23 22:36:44,001 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 22:36:44,001 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 22:36:44,001 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-23 22:36:44,001 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 22:36:44,001 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-23 22:36:44,004 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 22:36:44,005 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_dc24c8a8-d0af-4386-a981-d50f884bb54b/bin/uautomizer-verify-zZY32mL2XJ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24c8a8-d0af-4386-a981-d50f884bb54b/bin/uautomizer-verify-zZY32mL2XJ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1c975edcf93ad701ca3189f1eb3683e2db491e10cd89ec62916352d02b9ad719 [2023-11-23 22:36:44,281 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 22:36:44,304 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 22:36:44,307 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 22:36:44,309 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 22:36:44,309 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 22:36:44,311 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24c8a8-d0af-4386-a981-d50f884bb54b/bin/uautomizer-verify-zZY32mL2XJ/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-9.i [2023-11-23 22:36:47,509 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 22:36:47,727 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 22:36:47,728 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24c8a8-d0af-4386-a981-d50f884bb54b/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-9.i [2023-11-23 22:36:47,737 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24c8a8-d0af-4386-a981-d50f884bb54b/bin/uautomizer-verify-zZY32mL2XJ/data/8b99411a7/dd0e6a6ffd3c4cb4b8fd8815b597763d/FLAG58542b00d [2023-11-23 22:36:47,758 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24c8a8-d0af-4386-a981-d50f884bb54b/bin/uautomizer-verify-zZY32mL2XJ/data/8b99411a7/dd0e6a6ffd3c4cb4b8fd8815b597763d [2023-11-23 22:36:47,768 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 22:36:47,770 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 22:36:47,772 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 22:36:47,772 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 22:36:47,778 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 22:36:47,778 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:36:47" (1/1) ... [2023-11-23 22:36:47,780 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@519f21fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:36:47, skipping insertion in model container [2023-11-23 22:36:47,780 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:36:47" (1/1) ... [2023-11-23 22:36:47,809 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 22:36:47,992 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24c8a8-d0af-4386-a981-d50f884bb54b/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-9.i[915,928] [2023-11-23 22:36:48,064 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 22:36:48,078 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 22:36:48,097 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24c8a8-d0af-4386-a981-d50f884bb54b/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-9.i[915,928] [2023-11-23 22:36:48,131 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 22:36:48,151 INFO L206 MainTranslator]: Completed translation [2023-11-23 22:36:48,152 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:36:48 WrapperNode [2023-11-23 22:36:48,152 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 22:36:48,153 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 22:36:48,154 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 22:36:48,154 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 22:36:48,162 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:36:48" (1/1) ... [2023-11-23 22:36:48,174 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:36:48" (1/1) ... [2023-11-23 22:36:48,217 INFO L138 Inliner]: procedures = 29, calls = 107, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 303 [2023-11-23 22:36:48,217 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 22:36:48,218 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 22:36:48,219 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 22:36:48,219 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 22:36:48,231 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:36:48" (1/1) ... [2023-11-23 22:36:48,231 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:36:48" (1/1) ... [2023-11-23 22:36:48,237 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:36:48" (1/1) ... [2023-11-23 22:36:48,258 INFO L189 HeapSplitter]: Split 86 memory accesses to 6 slices as follows [2, 6, 22, 8, 17, 31] [2023-11-23 22:36:48,258 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:36:48" (1/1) ... [2023-11-23 22:36:48,258 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:36:48" (1/1) ... [2023-11-23 22:36:48,280 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:36:48" (1/1) ... [2023-11-23 22:36:48,284 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:36:48" (1/1) ... [2023-11-23 22:36:48,288 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:36:48" (1/1) ... [2023-11-23 22:36:48,291 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:36:48" (1/1) ... [2023-11-23 22:36:48,298 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 22:36:48,299 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 22:36:48,299 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 22:36:48,299 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 22:36:48,300 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:36:48" (1/1) ... [2023-11-23 22:36:48,307 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 22:36:48,338 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24c8a8-d0af-4386-a981-d50f884bb54b/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 22:36:48,350 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24c8a8-d0af-4386-a981-d50f884bb54b/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 22:36:48,373 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24c8a8-d0af-4386-a981-d50f884bb54b/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 22:36:48,401 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 22:36:48,401 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2023-11-23 22:36:48,402 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2023-11-23 22:36:48,402 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2023-11-23 22:36:48,402 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2023-11-23 22:36:48,402 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2023-11-23 22:36:48,403 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2023-11-23 22:36:48,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-23 22:36:48,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-23 22:36:48,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-23 22:36:48,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-11-23 22:36:48,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2023-11-23 22:36:48,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2023-11-23 22:36:48,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2023-11-23 22:36:48,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2023-11-23 22:36:48,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2023-11-23 22:36:48,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2023-11-23 22:36:48,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2023-11-23 22:36:48,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2023-11-23 22:36:48,405 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-23 22:36:48,405 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-23 22:36:48,405 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-23 22:36:48,405 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-11-23 22:36:48,405 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2023-11-23 22:36:48,406 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2023-11-23 22:36:48,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2023-11-23 22:36:48,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2023-11-23 22:36:48,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2023-11-23 22:36:48,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#3 [2023-11-23 22:36:48,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#4 [2023-11-23 22:36:48,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#5 [2023-11-23 22:36:48,407 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 22:36:48,407 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 22:36:48,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-23 22:36:48,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-23 22:36:48,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-23 22:36:48,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-11-23 22:36:48,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2023-11-23 22:36:48,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2023-11-23 22:36:48,409 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 22:36:48,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 22:36:48,581 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 22:36:48,583 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 22:36:49,079 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 22:36:49,157 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 22:36:49,157 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 22:36:49,158 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:36:49 BoogieIcfgContainer [2023-11-23 22:36:49,158 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 22:36:49,164 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 22:36:49,164 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 22:36:49,168 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 22:36:49,168 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 10:36:47" (1/3) ... [2023-11-23 22:36:49,169 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b7f96b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:36:49, skipping insertion in model container [2023-11-23 22:36:49,169 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:36:48" (2/3) ... [2023-11-23 22:36:49,171 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b7f96b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:36:49, skipping insertion in model container [2023-11-23 22:36:49,171 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:36:49" (3/3) ... [2023-11-23 22:36:49,173 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-9.i [2023-11-23 22:36:49,213 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 22:36:49,214 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 22:36:49,284 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 22:36:49,294 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@25f8bc88, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 22:36:49,294 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 22:36:49,299 INFO L276 IsEmpty]: Start isEmpty. Operand has 67 states, 59 states have (on average 1.4915254237288136) internal successors, (88), 60 states have internal predecessors, (88), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-11-23 22:36:49,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-23 22:36:49,312 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 22:36:49,312 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:36:49,313 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 22:36:49,320 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:36:49,320 INFO L85 PathProgramCache]: Analyzing trace with hash -338497259, now seen corresponding path program 1 times [2023-11-23 22:36:49,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:36:49,332 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [737479682] [2023-11-23 22:36:49,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:36:49,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:36:49,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:36:49,542 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:36:49,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [737479682] [2023-11-23 22:36:49,543 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-23 22:36:49,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [543456863] [2023-11-23 22:36:49,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:36:49,544 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 22:36:49,544 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24c8a8-d0af-4386-a981-d50f884bb54b/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 22:36:49,556 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24c8a8-d0af-4386-a981-d50f884bb54b/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 22:36:49,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24c8a8-d0af-4386-a981-d50f884bb54b/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-23 22:36:49,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:36:49,842 INFO L262 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 22:36:49,851 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 22:36:49,886 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-11-23 22:36:49,886 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 22:36:49,887 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [543456863] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:36:49,887 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:36:49,888 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 22:36:49,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2018332128] [2023-11-23 22:36:49,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:36:49,896 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 22:36:49,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:36:49,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 22:36:49,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 22:36:49,934 INFO L87 Difference]: Start difference. First operand has 67 states, 59 states have (on average 1.4915254237288136) internal successors, (88), 60 states have internal predecessors, (88), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-23 22:36:49,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 22:36:49,987 INFO L93 Difference]: Finished difference Result 131 states and 199 transitions. [2023-11-23 22:36:49,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 22:36:49,991 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 2 states have call successors, (5) Word has length 57 [2023-11-23 22:36:49,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 22:36:50,000 INFO L225 Difference]: With dead ends: 131 [2023-11-23 22:36:50,001 INFO L226 Difference]: Without dead ends: 65 [2023-11-23 22:36:50,005 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 22:36:50,011 INFO L413 NwaCegarLoop]: 89 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 22:36:50,013 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 89 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 22:36:50,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2023-11-23 22:36:50,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2023-11-23 22:36:50,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 58 states have (on average 1.4310344827586208) internal successors, (83), 58 states have internal predecessors, (83), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-11-23 22:36:50,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 93 transitions. [2023-11-23 22:36:50,067 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 93 transitions. Word has length 57 [2023-11-23 22:36:50,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 22:36:50,068 INFO L495 AbstractCegarLoop]: Abstraction has 65 states and 93 transitions. [2023-11-23 22:36:50,069 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-23 22:36:50,069 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 93 transitions. [2023-11-23 22:36:50,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-23 22:36:50,073 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 22:36:50,073 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:36:50,102 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24c8a8-d0af-4386-a981-d50f884bb54b/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-11-23 22:36:50,296 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24c8a8-d0af-4386-a981-d50f884bb54b/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 22:36:50,297 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 22:36:50,298 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:36:50,298 INFO L85 PathProgramCache]: Analyzing trace with hash -940245037, now seen corresponding path program 1 times [2023-11-23 22:36:50,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:36:50,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [434223477] [2023-11-23 22:36:50,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:36:50,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:36:50,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:36:50,392 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:36:50,393 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [434223477] [2023-11-23 22:36:50,393 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-23 22:36:50,393 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1932000558] [2023-11-23 22:36:50,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:36:50,394 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 22:36:50,394 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24c8a8-d0af-4386-a981-d50f884bb54b/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 22:36:50,404 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24c8a8-d0af-4386-a981-d50f884bb54b/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 22:36:50,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24c8a8-d0af-4386-a981-d50f884bb54b/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-23 22:36:50,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:36:50,627 INFO L262 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 22:36:50,637 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 22:36:50,725 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-23 22:36:50,726 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 22:36:50,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1932000558] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:36:50,726 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:36:50,727 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-23 22:36:50,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2067051000] [2023-11-23 22:36:50,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:36:50,728 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 22:36:50,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:36:50,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 22:36:50,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-23 22:36:50,730 INFO L87 Difference]: Start difference. First operand 65 states and 93 transitions. Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-23 22:36:50,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 22:36:50,828 INFO L93 Difference]: Finished difference Result 135 states and 194 transitions. [2023-11-23 22:36:50,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 22:36:50,833 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 57 [2023-11-23 22:36:50,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 22:36:50,836 INFO L225 Difference]: With dead ends: 135 [2023-11-23 22:36:50,837 INFO L226 Difference]: Without dead ends: 71 [2023-11-23 22:36:50,838 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-23 22:36:50,840 INFO L413 NwaCegarLoop]: 90 mSDtfsCounter, 10 mSDsluCounter, 169 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 259 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 22:36:50,842 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 259 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 22:36:50,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2023-11-23 22:36:50,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 67. [2023-11-23 22:36:50,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 60 states have (on average 1.4166666666666667) internal successors, (85), 60 states have internal predecessors, (85), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-11-23 22:36:50,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 95 transitions. [2023-11-23 22:36:50,861 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 95 transitions. Word has length 57 [2023-11-23 22:36:50,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 22:36:50,862 INFO L495 AbstractCegarLoop]: Abstraction has 67 states and 95 transitions. [2023-11-23 22:36:50,862 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-23 22:36:50,862 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 95 transitions. [2023-11-23 22:36:50,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-23 22:36:50,866 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 22:36:50,867 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:36:50,890 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24c8a8-d0af-4386-a981-d50f884bb54b/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-23 22:36:51,090 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24c8a8-d0af-4386-a981-d50f884bb54b/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 22:36:51,090 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 22:36:51,091 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:36:51,091 INFO L85 PathProgramCache]: Analyzing trace with hash -42851759, now seen corresponding path program 1 times [2023-11-23 22:36:51,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:36:51,092 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [309959965] [2023-11-23 22:36:51,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:36:51,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:36:51,178 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 22:36:51,178 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1685394035] [2023-11-23 22:36:51,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:36:51,179 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 22:36:51,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24c8a8-d0af-4386-a981-d50f884bb54b/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 22:36:51,189 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24c8a8-d0af-4386-a981-d50f884bb54b/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 22:36:51,208 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24c8a8-d0af-4386-a981-d50f884bb54b/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-23 22:36:51,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:36:51,366 INFO L262 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 22:36:51,372 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 22:36:51,408 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-23 22:36:51,408 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 22:36:51,409 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:36:51,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [309959965] [2023-11-23 22:36:51,409 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-23 22:36:51,410 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1685394035] [2023-11-23 22:36:51,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1685394035] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:36:51,410 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:36:51,410 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-23 22:36:51,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975485299] [2023-11-23 22:36:51,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:36:51,411 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 22:36:51,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:36:51,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 22:36:51,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-23 22:36:51,415 INFO L87 Difference]: Start difference. First operand 67 states and 95 transitions. Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2023-11-23 22:36:51,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 22:36:51,500 INFO L93 Difference]: Finished difference Result 157 states and 224 transitions. [2023-11-23 22:36:51,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 22:36:51,501 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 57 [2023-11-23 22:36:51,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 22:36:51,507 INFO L225 Difference]: With dead ends: 157 [2023-11-23 22:36:51,508 INFO L226 Difference]: Without dead ends: 91 [2023-11-23 22:36:51,510 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-23 22:36:51,514 INFO L413 NwaCegarLoop]: 86 mSDtfsCounter, 48 mSDsluCounter, 181 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 267 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 22:36:51,519 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 267 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 22:36:51,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2023-11-23 22:36:51,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 69. [2023-11-23 22:36:51,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 62 states have (on average 1.403225806451613) internal successors, (87), 62 states have internal predecessors, (87), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-11-23 22:36:51,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 97 transitions. [2023-11-23 22:36:51,539 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 97 transitions. Word has length 57 [2023-11-23 22:36:51,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 22:36:51,540 INFO L495 AbstractCegarLoop]: Abstraction has 69 states and 97 transitions. [2023-11-23 22:36:51,541 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2023-11-23 22:36:51,541 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 97 transitions. [2023-11-23 22:36:51,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-23 22:36:51,545 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 22:36:51,546 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:36:51,575 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24c8a8-d0af-4386-a981-d50f884bb54b/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-23 22:36:51,756 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24c8a8-d0af-4386-a981-d50f884bb54b/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 22:36:51,757 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 22:36:51,757 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:36:51,757 INFO L85 PathProgramCache]: Analyzing trace with hash -435878769, now seen corresponding path program 1 times [2023-11-23 22:36:51,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:36:51,758 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [954481807] [2023-11-23 22:36:51,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:36:51,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:36:51,827 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 22:36:51,841 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2001182423] [2023-11-23 22:36:51,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:36:51,843 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 22:36:51,843 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24c8a8-d0af-4386-a981-d50f884bb54b/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 22:36:51,849 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24c8a8-d0af-4386-a981-d50f884bb54b/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 22:36:51,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24c8a8-d0af-4386-a981-d50f884bb54b/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-23 22:36:52,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:36:52,045 INFO L262 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 22:36:52,058 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 22:36:52,084 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-23 22:36:52,085 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 22:36:52,085 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:36:52,085 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [954481807] [2023-11-23 22:36:52,085 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-23 22:36:52,085 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2001182423] [2023-11-23 22:36:52,085 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2001182423] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:36:52,086 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:36:52,086 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-23 22:36:52,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121513034] [2023-11-23 22:36:52,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:36:52,087 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 22:36:52,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:36:52,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 22:36:52,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-23 22:36:52,088 INFO L87 Difference]: Start difference. First operand 69 states and 97 transitions. Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2023-11-23 22:36:52,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 22:36:52,135 INFO L93 Difference]: Finished difference Result 157 states and 222 transitions. [2023-11-23 22:36:52,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 22:36:52,136 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 57 [2023-11-23 22:36:52,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 22:36:52,138 INFO L225 Difference]: With dead ends: 157 [2023-11-23 22:36:52,138 INFO L226 Difference]: Without dead ends: 89 [2023-11-23 22:36:52,139 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-23 22:36:52,140 INFO L413 NwaCegarLoop]: 86 mSDtfsCounter, 39 mSDsluCounter, 179 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 265 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 22:36:52,141 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 265 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 22:36:52,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2023-11-23 22:36:52,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 71. [2023-11-23 22:36:52,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 64 states have (on average 1.390625) internal successors, (89), 64 states have internal predecessors, (89), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-11-23 22:36:52,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 99 transitions. [2023-11-23 22:36:52,150 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 99 transitions. Word has length 57 [2023-11-23 22:36:52,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 22:36:52,151 INFO L495 AbstractCegarLoop]: Abstraction has 71 states and 99 transitions. [2023-11-23 22:36:52,152 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2023-11-23 22:36:52,152 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 99 transitions. [2023-11-23 22:36:52,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-23 22:36:52,153 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 22:36:52,153 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:36:52,182 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24c8a8-d0af-4386-a981-d50f884bb54b/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-23 22:36:52,376 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24c8a8-d0af-4386-a981-d50f884bb54b/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 22:36:52,377 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 22:36:52,377 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:36:52,377 INFO L85 PathProgramCache]: Analyzing trace with hash -1245225395, now seen corresponding path program 1 times [2023-11-23 22:36:52,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:36:52,378 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589696749] [2023-11-23 22:36:52,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:36:52,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:36:52,438 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 22:36:52,438 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1625300129] [2023-11-23 22:36:52,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:36:52,439 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 22:36:52,440 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24c8a8-d0af-4386-a981-d50f884bb54b/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 22:36:52,441 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24c8a8-d0af-4386-a981-d50f884bb54b/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 22:36:52,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24c8a8-d0af-4386-a981-d50f884bb54b/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-23 22:36:52,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:36:52,644 INFO L262 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 22:36:52,647 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 22:36:52,665 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-23 22:36:52,665 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 22:36:52,665 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:36:52,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [589696749] [2023-11-23 22:36:52,666 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-23 22:36:52,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1625300129] [2023-11-23 22:36:52,666 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1625300129] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:36:52,666 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:36:52,666 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-23 22:36:52,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191690689] [2023-11-23 22:36:52,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:36:52,667 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 22:36:52,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:36:52,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 22:36:52,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-23 22:36:52,669 INFO L87 Difference]: Start difference. First operand 71 states and 99 transitions. Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2023-11-23 22:36:52,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 22:36:52,714 INFO L93 Difference]: Finished difference Result 145 states and 202 transitions. [2023-11-23 22:36:52,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 22:36:52,715 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 57 [2023-11-23 22:36:52,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 22:36:52,717 INFO L225 Difference]: With dead ends: 145 [2023-11-23 22:36:52,717 INFO L226 Difference]: Without dead ends: 75 [2023-11-23 22:36:52,720 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-23 22:36:52,721 INFO L413 NwaCegarLoop]: 87 mSDtfsCounter, 3 mSDsluCounter, 168 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 255 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 22:36:52,721 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 255 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 22:36:52,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2023-11-23 22:36:52,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 73. [2023-11-23 22:36:52,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 66 states have (on average 1.378787878787879) internal successors, (91), 66 states have internal predecessors, (91), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-11-23 22:36:52,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 101 transitions. [2023-11-23 22:36:52,743 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 101 transitions. Word has length 57 [2023-11-23 22:36:52,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 22:36:52,745 INFO L495 AbstractCegarLoop]: Abstraction has 73 states and 101 transitions. [2023-11-23 22:36:52,746 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2023-11-23 22:36:52,746 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 101 transitions. [2023-11-23 22:36:52,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-23 22:36:52,749 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 22:36:52,750 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:36:52,776 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24c8a8-d0af-4386-a981-d50f884bb54b/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-23 22:36:52,963 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24c8a8-d0af-4386-a981-d50f884bb54b/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 22:36:52,964 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 22:36:52,964 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:36:52,964 INFO L85 PathProgramCache]: Analyzing trace with hash -1245165813, now seen corresponding path program 1 times [2023-11-23 22:36:52,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:36:52,965 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1335360026] [2023-11-23 22:36:52,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:36:52,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:36:53,019 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 22:36:53,020 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1044460072] [2023-11-23 22:36:53,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:36:53,021 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 22:36:53,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24c8a8-d0af-4386-a981-d50f884bb54b/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 22:36:53,022 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24c8a8-d0af-4386-a981-d50f884bb54b/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 22:36:53,030 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24c8a8-d0af-4386-a981-d50f884bb54b/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-23 22:36:53,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:36:53,202 INFO L262 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 22:36:53,206 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 22:36:53,482 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 11 [2023-11-23 22:36:53,492 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 15 treesize of output 7 [2023-11-23 22:36:53,501 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-23 22:36:53,501 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 22:36:53,501 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:36:53,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1335360026] [2023-11-23 22:36:53,502 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-23 22:36:53,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1044460072] [2023-11-23 22:36:53,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1044460072] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:36:53,502 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:36:53,502 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-23 22:36:53,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1606625634] [2023-11-23 22:36:53,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:36:53,503 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 22:36:53,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:36:53,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 22:36:53,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-23 22:36:53,504 INFO L87 Difference]: Start difference. First operand 73 states and 101 transitions. Second operand has 5 states, 5 states have (on average 7.0) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2023-11-23 22:36:53,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 22:36:53,642 INFO L93 Difference]: Finished difference Result 217 states and 301 transitions. [2023-11-23 22:36:53,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 22:36:53,642 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 57 [2023-11-23 22:36:53,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 22:36:53,644 INFO L225 Difference]: With dead ends: 217 [2023-11-23 22:36:53,644 INFO L226 Difference]: Without dead ends: 145 [2023-11-23 22:36:53,646 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-11-23 22:36:53,648 INFO L413 NwaCegarLoop]: 72 mSDtfsCounter, 68 mSDsluCounter, 221 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 293 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-23 22:36:53,648 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 293 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-23 22:36:53,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2023-11-23 22:36:53,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 141. [2023-11-23 22:36:53,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141 states, 128 states have (on average 1.375) internal successors, (176), 128 states have internal predecessors, (176), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-23 22:36:53,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 196 transitions. [2023-11-23 22:36:53,675 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 196 transitions. Word has length 57 [2023-11-23 22:36:53,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 22:36:53,676 INFO L495 AbstractCegarLoop]: Abstraction has 141 states and 196 transitions. [2023-11-23 22:36:53,676 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2023-11-23 22:36:53,676 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 196 transitions. [2023-11-23 22:36:53,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-23 22:36:53,677 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 22:36:53,677 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:36:53,707 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24c8a8-d0af-4386-a981-d50f884bb54b/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-23 22:36:53,892 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24c8a8-d0af-4386-a981-d50f884bb54b/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2023-11-23 22:36:53,892 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 22:36:53,893 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:36:53,893 INFO L85 PathProgramCache]: Analyzing trace with hash -2062814263, now seen corresponding path program 1 times [2023-11-23 22:36:53,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:36:53,893 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [162994794] [2023-11-23 22:36:53,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:36:53,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:36:53,927 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 22:36:53,927 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [127763448] [2023-11-23 22:36:53,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:36:53,928 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 22:36:53,928 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24c8a8-d0af-4386-a981-d50f884bb54b/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 22:36:53,929 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24c8a8-d0af-4386-a981-d50f884bb54b/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 22:36:53,948 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24c8a8-d0af-4386-a981-d50f884bb54b/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-23 22:36:54,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:36:54,104 INFO L262 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-23 22:36:54,107 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 22:36:54,117 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 19 [2023-11-23 22:36:54,150 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 22:36:54,151 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 64 treesize of output 28 [2023-11-23 22:36:54,163 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-23 22:36:54,164 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 22:36:54,164 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:36:54,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [162994794] [2023-11-23 22:36:54,164 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-23 22:36:54,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [127763448] [2023-11-23 22:36:54,165 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [127763448] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:36:54,165 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:36:54,165 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-23 22:36:54,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [960725696] [2023-11-23 22:36:54,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:36:54,166 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 22:36:54,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:36:54,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 22:36:54,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-23 22:36:54,167 INFO L87 Difference]: Start difference. First operand 141 states and 196 transitions. Second operand has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2023-11-23 22:36:54,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 22:36:54,286 INFO L93 Difference]: Finished difference Result 349 states and 481 transitions. [2023-11-23 22:36:54,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 22:36:54,287 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 57 [2023-11-23 22:36:54,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 22:36:54,289 INFO L225 Difference]: With dead ends: 349 [2023-11-23 22:36:54,289 INFO L226 Difference]: Without dead ends: 209 [2023-11-23 22:36:54,290 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-23 22:36:54,291 INFO L413 NwaCegarLoop]: 112 mSDtfsCounter, 110 mSDsluCounter, 236 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 348 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-23 22:36:54,291 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 348 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-23 22:36:54,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2023-11-23 22:36:54,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 166. [2023-11-23 22:36:54,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 148 states have (on average 1.3445945945945945) internal successors, (199), 149 states have internal predecessors, (199), 13 states have call successors, (13), 4 states have call predecessors, (13), 4 states have return successors, (13), 12 states have call predecessors, (13), 13 states have call successors, (13) [2023-11-23 22:36:54,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 225 transitions. [2023-11-23 22:36:54,305 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 225 transitions. Word has length 57 [2023-11-23 22:36:54,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 22:36:54,305 INFO L495 AbstractCegarLoop]: Abstraction has 166 states and 225 transitions. [2023-11-23 22:36:54,306 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2023-11-23 22:36:54,306 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 225 transitions. [2023-11-23 22:36:54,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-23 22:36:54,307 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 22:36:54,307 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:36:54,336 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24c8a8-d0af-4386-a981-d50f884bb54b/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-11-23 22:36:54,524 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24c8a8-d0af-4386-a981-d50f884bb54b/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2023-11-23 22:36:54,525 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 22:36:54,525 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:36:54,525 INFO L85 PathProgramCache]: Analyzing trace with hash 412795713, now seen corresponding path program 1 times [2023-11-23 22:36:54,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:36:54,525 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [280319176] [2023-11-23 22:36:54,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:36:54,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:36:54,557 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 22:36:54,557 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1989314587] [2023-11-23 22:36:54,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:36:54,557 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 22:36:54,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24c8a8-d0af-4386-a981-d50f884bb54b/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 22:36:54,558 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24c8a8-d0af-4386-a981-d50f884bb54b/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 22:36:54,565 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24c8a8-d0af-4386-a981-d50f884bb54b/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-23 22:36:54,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:36:54,733 INFO L262 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 22:36:54,739 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 22:36:54,759 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 15 treesize of output 7 [2023-11-23 22:36:54,768 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-23 22:36:54,768 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 22:36:54,768 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:36:54,768 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [280319176] [2023-11-23 22:36:54,769 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-23 22:36:54,769 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1989314587] [2023-11-23 22:36:54,769 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1989314587] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:36:54,769 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:36:54,769 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-23 22:36:54,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [305020409] [2023-11-23 22:36:54,770 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:36:54,771 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 22:36:54,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:36:54,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 22:36:54,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-23 22:36:54,772 INFO L87 Difference]: Start difference. First operand 166 states and 225 transitions. Second operand has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2023-11-23 22:36:54,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 22:36:54,885 INFO L93 Difference]: Finished difference Result 472 states and 634 transitions. [2023-11-23 22:36:54,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 22:36:54,886 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 61 [2023-11-23 22:36:54,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 22:36:54,890 INFO L225 Difference]: With dead ends: 472 [2023-11-23 22:36:54,890 INFO L226 Difference]: Without dead ends: 320 [2023-11-23 22:36:54,891 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-23 22:36:54,892 INFO L413 NwaCegarLoop]: 78 mSDtfsCounter, 116 mSDsluCounter, 236 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 314 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-23 22:36:54,893 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [116 Valid, 314 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-23 22:36:54,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2023-11-23 22:36:54,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 220. [2023-11-23 22:36:54,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 220 states, 195 states have (on average 1.323076923076923) internal successors, (258), 197 states have internal predecessors, (258), 18 states have call successors, (18), 6 states have call predecessors, (18), 6 states have return successors, (18), 16 states have call predecessors, (18), 18 states have call successors, (18) [2023-11-23 22:36:54,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 294 transitions. [2023-11-23 22:36:54,913 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 294 transitions. Word has length 61 [2023-11-23 22:36:54,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 22:36:54,913 INFO L495 AbstractCegarLoop]: Abstraction has 220 states and 294 transitions. [2023-11-23 22:36:54,914 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2023-11-23 22:36:54,914 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 294 transitions. [2023-11-23 22:36:54,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-23 22:36:54,916 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 22:36:54,916 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:36:54,948 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24c8a8-d0af-4386-a981-d50f884bb54b/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-11-23 22:36:55,132 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24c8a8-d0af-4386-a981-d50f884bb54b/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 22:36:55,132 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 22:36:55,133 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:36:55,133 INFO L85 PathProgramCache]: Analyzing trace with hash -1137898761, now seen corresponding path program 1 times [2023-11-23 22:36:55,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:36:55,133 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1477951528] [2023-11-23 22:36:55,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:36:55,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:36:55,168 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 22:36:55,169 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1086930372] [2023-11-23 22:36:55,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:36:55,169 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 22:36:55,169 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24c8a8-d0af-4386-a981-d50f884bb54b/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 22:36:55,170 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24c8a8-d0af-4386-a981-d50f884bb54b/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 22:36:55,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24c8a8-d0af-4386-a981-d50f884bb54b/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-23 22:36:55,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:36:55,353 INFO L262 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-23 22:36:55,357 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 22:36:55,627 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 22:36:55,627 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 28 treesize of output 23 [2023-11-23 22:36:55,640 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 11 treesize of output 7 [2023-11-23 22:36:55,781 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-23 22:36:55,781 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 22:36:55,781 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:36:55,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1477951528] [2023-11-23 22:36:55,781 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-23 22:36:55,782 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1086930372] [2023-11-23 22:36:55,782 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1086930372] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:36:55,782 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:36:55,782 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-23 22:36:55,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [836130601] [2023-11-23 22:36:55,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:36:55,783 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-23 22:36:55,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:36:55,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-23 22:36:55,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-11-23 22:36:55,784 INFO L87 Difference]: Start difference. First operand 220 states and 294 transitions. Second operand has 8 states, 8 states have (on average 4.875) internal successors, (39), 7 states have internal predecessors, (39), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2023-11-23 22:36:56,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 22:36:56,240 INFO L93 Difference]: Finished difference Result 695 states and 923 transitions. [2023-11-23 22:36:56,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-23 22:36:56,241 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.875) internal successors, (39), 7 states have internal predecessors, (39), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 61 [2023-11-23 22:36:56,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 22:36:56,246 INFO L225 Difference]: With dead ends: 695 [2023-11-23 22:36:56,246 INFO L226 Difference]: Without dead ends: 489 [2023-11-23 22:36:56,247 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=81, Invalid=159, Unknown=0, NotChecked=0, Total=240 [2023-11-23 22:36:56,248 INFO L413 NwaCegarLoop]: 92 mSDtfsCounter, 284 mSDsluCounter, 482 mSDsCounter, 0 mSdLazyCounter, 223 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 284 SdHoareTripleChecker+Valid, 574 SdHoareTripleChecker+Invalid, 240 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 223 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-23 22:36:56,248 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [284 Valid, 574 Invalid, 240 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 223 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-23 22:36:56,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 489 states. [2023-11-23 22:36:56,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 489 to 255. [2023-11-23 22:36:56,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 255 states, 227 states have (on average 1.3259911894273129) internal successors, (301), 228 states have internal predecessors, (301), 20 states have call successors, (20), 7 states have call predecessors, (20), 7 states have return successors, (20), 19 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-23 22:36:56,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 341 transitions. [2023-11-23 22:36:56,277 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 341 transitions. Word has length 61 [2023-11-23 22:36:56,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 22:36:56,278 INFO L495 AbstractCegarLoop]: Abstraction has 255 states and 341 transitions. [2023-11-23 22:36:56,278 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.875) internal successors, (39), 7 states have internal predecessors, (39), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2023-11-23 22:36:56,279 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 341 transitions. [2023-11-23 22:36:56,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-23 22:36:56,280 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 22:36:56,280 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:36:56,311 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24c8a8-d0af-4386-a981-d50f884bb54b/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-11-23 22:36:56,505 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24c8a8-d0af-4386-a981-d50f884bb54b/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 22:36:56,505 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 22:36:56,506 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:36:56,506 INFO L85 PathProgramCache]: Analyzing trace with hash 1954694899, now seen corresponding path program 1 times [2023-11-23 22:36:56,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:36:56,506 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1946231658] [2023-11-23 22:36:56,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:36:56,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:36:56,534 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 22:36:56,534 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [132523573] [2023-11-23 22:36:56,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:36:56,535 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 22:36:56,535 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24c8a8-d0af-4386-a981-d50f884bb54b/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 22:36:56,536 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24c8a8-d0af-4386-a981-d50f884bb54b/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 22:36:56,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24c8a8-d0af-4386-a981-d50f884bb54b/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-11-23 22:36:56,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 22:36:56,775 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 22:36:56,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 22:36:56,958 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-23 22:36:56,958 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 22:36:56,960 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 22:36:56,994 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24c8a8-d0af-4386-a981-d50f884bb54b/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-11-23 22:36:57,176 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24c8a8-d0af-4386-a981-d50f884bb54b/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-11-23 22:36:57,179 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:36:57,182 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 22:36:57,263 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem28 could not be translated [2023-11-23 22:36:57,269 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem29 could not be translated [2023-11-23 22:36:57,279 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem31 could not be translated [2023-11-23 22:36:57,281 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem32 could not be translated [2023-11-23 22:36:57,283 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem31 could not be translated [2023-11-23 22:36:57,283 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short33 could not be translated [2023-11-23 22:36:57,284 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short37 could not be translated [2023-11-23 22:36:57,284 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem31 could not be translated [2023-11-23 22:36:57,284 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem32 could not be translated [2023-11-23 22:36:57,285 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short33 could not be translated [2023-11-23 22:36:57,288 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem32 could not be translated [2023-11-23 22:36:57,288 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short37 could not be translated [2023-11-23 22:36:57,289 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem31 could not be translated [2023-11-23 22:36:57,290 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem39 could not be translated [2023-11-23 22:36:57,294 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem40 could not be translated [2023-11-23 22:36:57,298 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet9 could not be translated [2023-11-23 22:36:57,303 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem8 could not be translated [2023-11-23 22:36:57,304 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated [2023-11-23 22:36:57,305 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated [2023-11-23 22:36:57,305 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite63 could not be translated [2023-11-23 22:36:57,305 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated [2023-11-23 22:36:57,305 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated [2023-11-23 22:36:57,306 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short72 could not be translated [2023-11-23 22:36:57,306 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated [2023-11-23 22:36:57,306 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated [2023-11-23 22:36:57,306 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite63 could not be translated [2023-11-23 22:36:57,307 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated [2023-11-23 22:36:57,307 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite63 could not be translated [2023-11-23 22:36:57,307 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated [2023-11-23 22:36:57,307 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated [2023-11-23 22:36:57,308 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet65 could not be translated [2023-11-23 22:36:57,308 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated [2023-11-23 22:36:57,308 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short72 could not be translated [2023-11-23 22:36:57,309 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated [2023-11-23 22:36:57,312 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite63 could not be translated [2023-11-23 22:36:57,312 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated [2023-11-23 22:36:57,312 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet65 could not be translated [2023-11-23 22:36:57,313 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short72 could not be translated [2023-11-23 22:36:57,313 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated [2023-11-23 22:36:57,313 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated [2023-11-23 22:36:57,313 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated [2023-11-23 22:36:57,313 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated [2023-11-23 22:36:57,314 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated [2023-11-23 22:36:57,314 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated [2023-11-23 22:36:57,314 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated [2023-11-23 22:36:57,314 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite71 could not be translated [2023-11-23 22:36:57,315 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet65 could not be translated [2023-11-23 22:36:57,315 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated [2023-11-23 22:36:57,315 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated [2023-11-23 22:36:57,315 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite71 could not be translated [2023-11-23 22:36:57,315 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite63 could not be translated [2023-11-23 22:36:57,316 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated [2023-11-23 22:36:57,316 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated [2023-11-23 22:36:57,316 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated [2023-11-23 22:36:57,316 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated [2023-11-23 22:36:57,316 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated [2023-11-23 22:36:57,317 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short72 could not be translated [2023-11-23 22:36:57,317 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated [2023-11-23 22:36:57,317 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated [2023-11-23 22:36:57,317 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet65 could not be translated [2023-11-23 22:36:57,318 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated [2023-11-23 22:36:57,318 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated [2023-11-23 22:36:57,318 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite71 could not be translated [2023-11-23 22:36:57,318 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated [2023-11-23 22:36:57,318 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated [2023-11-23 22:36:57,318 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite63 could not be translated [2023-11-23 22:36:57,319 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short72 could not be translated [2023-11-23 22:36:57,319 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated [2023-11-23 22:36:57,319 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated [2023-11-23 22:36:57,319 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated [2023-11-23 22:36:57,319 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated [2023-11-23 22:36:57,320 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated [2023-11-23 22:36:57,320 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short74 could not be translated [2023-11-23 22:36:57,321 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated [2023-11-23 22:36:57,325 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet65 could not be translated [2023-11-23 22:36:57,326 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite71 could not be translated [2023-11-23 22:36:57,326 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated [2023-11-23 22:36:57,326 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short74 could not be translated [2023-11-23 22:36:57,326 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated [2023-11-23 22:36:57,326 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short77 could not be translated [2023-11-23 22:36:57,327 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated [2023-11-23 22:36:57,327 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated [2023-11-23 22:36:57,327 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short72 could not be translated [2023-11-23 22:36:57,327 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated [2023-11-23 22:36:57,327 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite63 could not be translated [2023-11-23 22:36:57,328 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated [2023-11-23 22:36:57,328 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated [2023-11-23 22:36:57,328 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated [2023-11-23 22:36:57,329 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated [2023-11-23 22:36:57,329 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated [2023-11-23 22:36:57,329 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated [2023-11-23 22:36:57,329 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated [2023-11-23 22:36:57,329 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short74 could not be translated [2023-11-23 22:36:57,330 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated [2023-11-23 22:36:57,330 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated [2023-11-23 22:36:57,330 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated [2023-11-23 22:36:57,330 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short72 could not be translated [2023-11-23 22:36:57,330 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite71 could not be translated [2023-11-23 22:36:57,331 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet65 could not be translated [2023-11-23 22:36:57,331 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite63 could not be translated [2023-11-23 22:36:57,331 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short77 could not be translated [2023-11-23 22:36:57,331 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated [2023-11-23 22:36:57,331 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short84 could not be translated [2023-11-23 22:36:57,332 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated [2023-11-23 22:36:57,332 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite63 could not be translated [2023-11-23 22:36:57,332 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short84 could not be translated [2023-11-23 22:36:57,333 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite71 could not be translated [2023-11-23 22:36:57,333 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated [2023-11-23 22:36:57,333 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet65 could not be translated [2023-11-23 22:36:57,333 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated [2023-11-23 22:36:57,333 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated [2023-11-23 22:36:57,334 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated [2023-11-23 22:36:57,334 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated [2023-11-23 22:36:57,334 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated [2023-11-23 22:36:57,334 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short74 could not be translated [2023-11-23 22:36:57,334 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated [2023-11-23 22:36:57,334 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated [2023-11-23 22:36:57,335 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short77 could not be translated [2023-11-23 22:36:57,335 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short87 could not be translated [2023-11-23 22:36:57,335 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short72 could not be translated [2023-11-23 22:36:57,335 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated [2023-11-23 22:36:57,365 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 10:36:57 BoogieIcfgContainer [2023-11-23 22:36:57,365 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 22:36:57,365 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 22:36:57,366 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 22:36:57,366 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 22:36:57,366 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:36:49" (3/4) ... [2023-11-23 22:36:57,369 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 22:36:57,370 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 22:36:57,371 INFO L158 Benchmark]: Toolchain (without parser) took 9600.95ms. Allocated memory was 174.1MB in the beginning and 230.7MB in the end (delta: 56.6MB). Free memory was 132.1MB in the beginning and 123.0MB in the end (delta: 9.0MB). Peak memory consumption was 66.6MB. Max. memory is 16.1GB. [2023-11-23 22:36:57,372 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 174.1MB. Free memory was 140.7MB in the beginning and 140.7MB in the end (delta: 43.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 22:36:57,372 INFO L158 Benchmark]: CACSL2BoogieTranslator took 380.91ms. Allocated memory is still 174.1MB. Free memory was 132.1MB in the beginning and 118.5MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-23 22:36:57,373 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.22ms. Allocated memory is still 174.1MB. Free memory was 118.5MB in the beginning and 115.3MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 22:36:57,373 INFO L158 Benchmark]: Boogie Preprocessor took 79.78ms. Allocated memory is still 174.1MB. Free memory was 115.3MB in the beginning and 111.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 22:36:57,374 INFO L158 Benchmark]: RCFGBuilder took 859.58ms. Allocated memory is still 174.1MB. Free memory was 111.1MB in the beginning and 82.2MB in the end (delta: 28.9MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2023-11-23 22:36:57,375 INFO L158 Benchmark]: TraceAbstraction took 8200.80ms. Allocated memory was 174.1MB in the beginning and 230.7MB in the end (delta: 56.6MB). Free memory was 81.8MB in the beginning and 123.0MB in the end (delta: -41.3MB). Peak memory consumption was 16.3MB. Max. memory is 16.1GB. [2023-11-23 22:36:57,376 INFO L158 Benchmark]: Witness Printer took 4.93ms. Allocated memory is still 230.7MB. Free memory is still 123.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 22:36:57,381 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 174.1MB. Free memory was 140.7MB in the beginning and 140.7MB in the end (delta: 43.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 380.91ms. Allocated memory is still 174.1MB. Free memory was 132.1MB in the beginning and 118.5MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.22ms. Allocated memory is still 174.1MB. Free memory was 118.5MB in the beginning and 115.3MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 79.78ms. Allocated memory is still 174.1MB. Free memory was 115.3MB in the beginning and 111.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 859.58ms. Allocated memory is still 174.1MB. Free memory was 111.1MB in the beginning and 82.2MB in the end (delta: 28.9MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * TraceAbstraction took 8200.80ms. Allocated memory was 174.1MB in the beginning and 230.7MB in the end (delta: 56.6MB). Free memory was 81.8MB in the beginning and 123.0MB in the end (delta: -41.3MB). Peak memory consumption was 16.3MB. Max. memory is 16.1GB. * Witness Printer took 4.93ms. Allocated memory is still 230.7MB. Free memory is still 123.0MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem28 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem29 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem31 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem32 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem31 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short33 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short37 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem31 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem32 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short33 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem32 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short37 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem31 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem39 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem40 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet9 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem8 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite63 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short72 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite63 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite63 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet65 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short72 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite63 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet65 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short72 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite71 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet65 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite71 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite63 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short72 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet65 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite71 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite63 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short72 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short74 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet65 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite71 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short74 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short77 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short72 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite63 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short74 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short72 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite71 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet65 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite63 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short77 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short84 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite63 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short84 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite71 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet65 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short74 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short77 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short87 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short72 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 44, overapproximation of shiftLeft at line 87. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[1] = { 0 }; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[1] = { 0 }; [L25-L27] double double_Array_0[2] = { 9.2, 0.975 }; [L25-L27] double double_Array_0[2] = { 9.2, 0.975 }; [L25-L27] double double_Array_0[2] = { 9.2, 0.975 }; [L28-L30] signed long int signed_long_int_Array_0[1] = { -16 }; [L28-L30] signed long int signed_long_int_Array_0[1] = { -16 }; [L31-L33] signed short int signed_short_int_Array_0[2] = { 1, 100 }; [L31-L33] signed short int signed_short_int_Array_0[2] = { 1, 100 }; [L31-L33] signed short int signed_short_int_Array_0[2] = { 1, 100 }; [L34-L36] unsigned char unsigned_char_Array_0[3] = { 32, 4, 10 }; [L34-L36] unsigned char unsigned_char_Array_0[3] = { 32, 4, 10 }; [L34-L36] unsigned char unsigned_char_Array_0[3] = { 32, 4, 10 }; [L34-L36] unsigned char unsigned_char_Array_0[3] = { 32, 4, 10 }; [L37] double last_1_double_Array_0_0_ = 9.2; [L38] signed long int last_1_signed_long_int_Array_0_0_ = -16; [L39] signed short int last_1_signed_short_int_Array_0_0_ = 1; [L40] unsigned char last_1_unsigned_char_Array_0_2_ = 10; [L91] isInitial = 1 [L92] FCALL initially() [L93] COND TRUE 1 [L94] CALL updateLastVariables() [L81] EXPR double_Array_0[0] [L81] last_1_double_Array_0_0_ = double_Array_0[0] [L82] EXPR signed_long_int_Array_0[0] [L82] last_1_signed_long_int_Array_0_0_ = signed_long_int_Array_0[0] [L83] EXPR signed_short_int_Array_0[0] [L83] last_1_signed_short_int_Array_0_0_ = signed_short_int_Array_0[0] [L84] EXPR unsigned_char_Array_0[2] [L84] last_1_unsigned_char_Array_0_2_ = unsigned_char_Array_0[2] [L94] RET updateLastVariables() [L95] CALL updateVariables() [L71] BOOL_unsigned_char_Array_0[0] = __VERIFIER_nondet_uchar() [L72] EXPR BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0_=46/5, last_1_signed_long_int_Array_0_0_=-16, last_1_signed_short_int_Array_0_0_=1, last_1_unsigned_char_Array_0_2_=10, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L72] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0_=46/5, last_1_signed_long_int_Array_0_0_=-16, last_1_signed_short_int_Array_0_0_=1, last_1_unsigned_char_Array_0_2_=10, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0_=46/5, last_1_signed_long_int_Array_0_0_=-16, last_1_signed_short_int_Array_0_0_=1, last_1_unsigned_char_Array_0_2_=10, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L72] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0_=46/5, last_1_signed_long_int_Array_0_0_=-16, last_1_signed_short_int_Array_0_0_=1, last_1_unsigned_char_Array_0_2_=10, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L73] EXPR BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0_=46/5, last_1_signed_long_int_Array_0_0_=-16, last_1_signed_short_int_Array_0_0_=1, last_1_unsigned_char_Array_0_2_=10, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L73] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0_=46/5, last_1_signed_long_int_Array_0_0_=-16, last_1_signed_short_int_Array_0_0_=1, last_1_unsigned_char_Array_0_2_=10, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0_=46/5, last_1_signed_long_int_Array_0_0_=-16, last_1_signed_short_int_Array_0_0_=1, last_1_unsigned_char_Array_0_2_=10, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L73] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0_=46/5, last_1_signed_long_int_Array_0_0_=-16, last_1_signed_short_int_Array_0_0_=1, last_1_unsigned_char_Array_0_2_=10, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L74] double_Array_0[1] = __VERIFIER_nondet_double() [L75] EXPR double_Array_0[1] [L75] EXPR double_Array_0[1] >= -922337.2036854765600e+13F && double_Array_0[1] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0_=46/5, last_1_signed_long_int_Array_0_0_=-16, last_1_signed_short_int_Array_0_0_=1, last_1_unsigned_char_Array_0_2_=10, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L75] EXPR double_Array_0[1] >= -922337.2036854765600e+13F && double_Array_0[1] <= -1.0e-20F [L75] EXPR double_Array_0[1] [L75] EXPR double_Array_0[1] >= -922337.2036854765600e+13F && double_Array_0[1] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0_=46/5, last_1_signed_long_int_Array_0_0_=-16, last_1_signed_short_int_Array_0_0_=1, last_1_unsigned_char_Array_0_2_=10, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L75] EXPR (double_Array_0[1] >= -922337.2036854765600e+13F && double_Array_0[1] <= -1.0e-20F) || (double_Array_0[1] <= 9223372.036854765600e+12F && double_Array_0[1] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0_=46/5, last_1_signed_long_int_Array_0_0_=-16, last_1_signed_short_int_Array_0_0_=1, last_1_unsigned_char_Array_0_2_=10, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L75] EXPR (double_Array_0[1] >= -922337.2036854765600e+13F && double_Array_0[1] <= -1.0e-20F) || (double_Array_0[1] <= 9223372.036854765600e+12F && double_Array_0[1] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0_=46/5, last_1_signed_long_int_Array_0_0_=-16, last_1_signed_short_int_Array_0_0_=1, last_1_unsigned_char_Array_0_2_=10, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L75] CALL assume_abort_if_not((double_Array_0[1] >= -922337.2036854765600e+13F && double_Array_0[1] <= -1.0e-20F) || (double_Array_0[1] <= 9223372.036854765600e+12F && double_Array_0[1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0_=46/5, last_1_signed_long_int_Array_0_0_=-16, last_1_signed_short_int_Array_0_0_=1, last_1_unsigned_char_Array_0_2_=10, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0_=46/5, last_1_signed_long_int_Array_0_0_=-16, last_1_signed_short_int_Array_0_0_=1, last_1_unsigned_char_Array_0_2_=10, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L75] RET assume_abort_if_not((double_Array_0[1] >= -922337.2036854765600e+13F && double_Array_0[1] <= -1.0e-20F) || (double_Array_0[1] <= 9223372.036854765600e+12F && double_Array_0[1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0_=46/5, last_1_signed_long_int_Array_0_0_=-16, last_1_signed_short_int_Array_0_0_=1, last_1_unsigned_char_Array_0_2_=10, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L76] unsigned_char_Array_0[1] = __VERIFIER_nondet_uchar() [L77] EXPR unsigned_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0_=46/5, last_1_signed_long_int_Array_0_0_=-16, last_1_signed_short_int_Array_0_0_=1, last_1_unsigned_char_Array_0_2_=10, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L77] CALL assume_abort_if_not(unsigned_char_Array_0[1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0_=46/5, last_1_signed_long_int_Array_0_0_=-16, last_1_signed_short_int_Array_0_0_=1, last_1_unsigned_char_Array_0_2_=10, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0_=46/5, last_1_signed_long_int_Array_0_0_=-16, last_1_signed_short_int_Array_0_0_=1, last_1_unsigned_char_Array_0_2_=10, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L77] RET assume_abort_if_not(unsigned_char_Array_0[1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0_=46/5, last_1_signed_long_int_Array_0_0_=-16, last_1_signed_short_int_Array_0_0_=1, last_1_unsigned_char_Array_0_2_=10, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L78] EXPR unsigned_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0_=46/5, last_1_signed_long_int_Array_0_0_=-16, last_1_signed_short_int_Array_0_0_=1, last_1_unsigned_char_Array_0_2_=10, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L78] CALL assume_abort_if_not(unsigned_char_Array_0[1] <= 254) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0_=46/5, last_1_signed_long_int_Array_0_0_=-16, last_1_signed_short_int_Array_0_0_=1, last_1_unsigned_char_Array_0_2_=10, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0_=46/5, last_1_signed_long_int_Array_0_0_=-16, last_1_signed_short_int_Array_0_0_=1, last_1_unsigned_char_Array_0_2_=10, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L78] RET assume_abort_if_not(unsigned_char_Array_0[1] <= 254) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0_=46/5, last_1_signed_long_int_Array_0_0_=-16, last_1_signed_short_int_Array_0_0_=1, last_1_unsigned_char_Array_0_2_=10, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L95] RET updateVariables() [L96] CALL step() [L44] unsigned char stepLocal_0 = last_1_double_Array_0_0_ > last_1_double_Array_0_0_; VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0_=46/5, last_1_signed_long_int_Array_0_0_=-16, last_1_signed_short_int_Array_0_0_=1, last_1_unsigned_char_Array_0_2_=10, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, stepLocal_0=0, unsigned_char_Array_0={8:0}] [L45] COND FALSE !(((last_1_signed_short_int_Array_0_0_ + last_1_unsigned_char_Array_0_2_) < 10) || stepLocal_0) [L48] signed_short_int_Array_0[0] = last_1_signed_short_int_Array_0_0_ VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0_=46/5, last_1_signed_long_int_Array_0_0_=-16, last_1_signed_short_int_Array_0_0_=1, last_1_unsigned_char_Array_0_2_=10, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L50] EXPR signed_short_int_Array_0[0] [L50] signed_long_int_Array_0[0] = signed_short_int_Array_0[0] [L51] EXPR signed_short_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0_=46/5, last_1_signed_long_int_Array_0_0_=-16, last_1_signed_short_int_Array_0_0_=1, last_1_unsigned_char_Array_0_2_=10, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L51] EXPR 10 << signed_short_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0_=46/5, last_1_signed_long_int_Array_0_0_=-16, last_1_signed_short_int_Array_0_0_=1, last_1_unsigned_char_Array_0_2_=10, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, stepLocal_0=0, unsigned_char_Array_0={8:0}] [L51] EXPR unsigned_char_Array_0[1] [L51] EXPR signed_long_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0_=46/5, last_1_signed_long_int_Array_0_0_=-16, last_1_signed_short_int_Array_0_0_=1, last_1_unsigned_char_Array_0_2_=10, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L51] COND FALSE !((10 << signed_short_int_Array_0[0]) < (unsigned_char_Array_0[1] * signed_long_int_Array_0[0])) [L54] unsigned_char_Array_0[0] = 64 [L55] EXPR double_Array_0[1] [L55] double_Array_0[0] = double_Array_0[1] [L56] EXPR signed_short_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0_=46/5, last_1_signed_long_int_Array_0_0_=-16, last_1_signed_short_int_Array_0_0_=1, last_1_unsigned_char_Array_0_2_=10, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L56] COND TRUE signed_short_int_Array_0[0] <= 16 [L57] EXPR unsigned_char_Array_0[1] [L57] unsigned_char_Array_0[2] = unsigned_char_Array_0[1] [L96] RET step() [L97] CALL, EXPR property() [L87] EXPR signed_short_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0_=46/5, last_1_signed_long_int_Array_0_0_=-16, last_1_signed_short_int_Array_0_0_=1, last_1_unsigned_char_Array_0_2_=10, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L87] EXPR (signed_short_int_Array_0[0] <= 16) ? (unsigned_char_Array_0[2] == ((unsigned char) unsigned_char_Array_0[1])) : ((((((double_Array_0[0]) > (double_Array_0[0])) ? (double_Array_0[0]) : (double_Array_0[0]))) < double_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0] ? (unsigned_char_Array_0[2] == ((unsigned char) unsigned_char_Array_0[1])) : (unsigned_char_Array_0[2] == ((unsigned char) unsigned_char_Array_0[1]))) : (unsigned_char_Array_0[2] == ((unsigned char) unsigned_char_Array_0[1]))) [L87] EXPR unsigned_char_Array_0[2] [L87] EXPR unsigned_char_Array_0[1] [L87] EXPR (signed_short_int_Array_0[0] <= 16) ? (unsigned_char_Array_0[2] == ((unsigned char) unsigned_char_Array_0[1])) : ((((((double_Array_0[0]) > (double_Array_0[0])) ? (double_Array_0[0]) : (double_Array_0[0]))) < double_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0] ? (unsigned_char_Array_0[2] == ((unsigned char) unsigned_char_Array_0[1])) : (unsigned_char_Array_0[2] == ((unsigned char) unsigned_char_Array_0[1]))) : (unsigned_char_Array_0[2] == ((unsigned char) unsigned_char_Array_0[1]))) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0_=46/5, last_1_signed_long_int_Array_0_0_=-16, last_1_signed_short_int_Array_0_0_=1, last_1_unsigned_char_Array_0_2_=10, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L87] EXPR ((signed_short_int_Array_0[0] <= 16) ? (unsigned_char_Array_0[2] == ((unsigned char) unsigned_char_Array_0[1])) : ((((((double_Array_0[0]) > (double_Array_0[0])) ? (double_Array_0[0]) : (double_Array_0[0]))) < double_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0] ? (unsigned_char_Array_0[2] == ((unsigned char) unsigned_char_Array_0[1])) : (unsigned_char_Array_0[2] == ((unsigned char) unsigned_char_Array_0[1]))) : (unsigned_char_Array_0[2] == ((unsigned char) unsigned_char_Array_0[1])))) && (((10 << signed_short_int_Array_0[0]) < (unsigned_char_Array_0[1] * signed_long_int_Array_0[0])) ? (signed_short_int_Array_0[1] == ((signed short int) (signed_short_int_Array_0[0] + signed_long_int_Array_0[0]))) : 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0_=46/5, last_1_signed_long_int_Array_0_0_=-16, last_1_signed_short_int_Array_0_0_=1, last_1_unsigned_char_Array_0_2_=10, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L87] EXPR ((signed_short_int_Array_0[0] <= 16) ? (unsigned_char_Array_0[2] == ((unsigned char) unsigned_char_Array_0[1])) : ((((((double_Array_0[0]) > (double_Array_0[0])) ? (double_Array_0[0]) : (double_Array_0[0]))) < double_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0] ? (unsigned_char_Array_0[2] == ((unsigned char) unsigned_char_Array_0[1])) : (unsigned_char_Array_0[2] == ((unsigned char) unsigned_char_Array_0[1]))) : (unsigned_char_Array_0[2] == ((unsigned char) unsigned_char_Array_0[1])))) && (((10 << signed_short_int_Array_0[0]) < (unsigned_char_Array_0[1] * signed_long_int_Array_0[0])) ? (signed_short_int_Array_0[1] == ((signed short int) (signed_short_int_Array_0[0] + signed_long_int_Array_0[0]))) : 1) [L87] EXPR signed_short_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0_=46/5, last_1_signed_long_int_Array_0_0_=-16, last_1_signed_short_int_Array_0_0_=1, last_1_unsigned_char_Array_0_2_=10, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L87] EXPR 10 << signed_short_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0_=46/5, last_1_signed_long_int_Array_0_0_=-16, last_1_signed_short_int_Array_0_0_=1, last_1_unsigned_char_Array_0_2_=10, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L87] EXPR unsigned_char_Array_0[1] [L87] EXPR signed_long_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0_=46/5, last_1_signed_long_int_Array_0_0_=-16, last_1_signed_short_int_Array_0_0_=1, last_1_unsigned_char_Array_0_2_=10, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L87] EXPR ((10 << signed_short_int_Array_0[0]) < (unsigned_char_Array_0[1] * signed_long_int_Array_0[0])) ? (signed_short_int_Array_0[1] == ((signed short int) (signed_short_int_Array_0[0] + signed_long_int_Array_0[0]))) : 1 [L87] EXPR signed_short_int_Array_0[1] [L87] EXPR signed_short_int_Array_0[0] [L87] EXPR signed_long_int_Array_0[0] [L87] EXPR ((10 << signed_short_int_Array_0[0]) < (unsigned_char_Array_0[1] * signed_long_int_Array_0[0])) ? (signed_short_int_Array_0[1] == ((signed short int) (signed_short_int_Array_0[0] + signed_long_int_Array_0[0]))) : 1 VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0_=46/5, last_1_signed_long_int_Array_0_0_=-16, last_1_signed_short_int_Array_0_0_=1, last_1_unsigned_char_Array_0_2_=10, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L87] EXPR ((signed_short_int_Array_0[0] <= 16) ? (unsigned_char_Array_0[2] == ((unsigned char) unsigned_char_Array_0[1])) : ((((((double_Array_0[0]) > (double_Array_0[0])) ? (double_Array_0[0]) : (double_Array_0[0]))) < double_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0] ? (unsigned_char_Array_0[2] == ((unsigned char) unsigned_char_Array_0[1])) : (unsigned_char_Array_0[2] == ((unsigned char) unsigned_char_Array_0[1]))) : (unsigned_char_Array_0[2] == ((unsigned char) unsigned_char_Array_0[1])))) && (((10 << signed_short_int_Array_0[0]) < (unsigned_char_Array_0[1] * signed_long_int_Array_0[0])) ? (signed_short_int_Array_0[1] == ((signed short int) (signed_short_int_Array_0[0] + signed_long_int_Array_0[0]))) : 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0_=46/5, last_1_signed_long_int_Array_0_0_=-16, last_1_signed_short_int_Array_0_0_=1, last_1_unsigned_char_Array_0_2_=10, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L87] EXPR (((signed_short_int_Array_0[0] <= 16) ? (unsigned_char_Array_0[2] == ((unsigned char) unsigned_char_Array_0[1])) : ((((((double_Array_0[0]) > (double_Array_0[0])) ? (double_Array_0[0]) : (double_Array_0[0]))) < double_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0] ? (unsigned_char_Array_0[2] == ((unsigned char) unsigned_char_Array_0[1])) : (unsigned_char_Array_0[2] == ((unsigned char) unsigned_char_Array_0[1]))) : (unsigned_char_Array_0[2] == ((unsigned char) unsigned_char_Array_0[1])))) && (((10 << signed_short_int_Array_0[0]) < (unsigned_char_Array_0[1] * signed_long_int_Array_0[0])) ? (signed_short_int_Array_0[1] == ((signed short int) (signed_short_int_Array_0[0] + signed_long_int_Array_0[0]))) : 1)) && (unsigned_char_Array_0[0] == ((unsigned char) 64)) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0_=46/5, last_1_signed_long_int_Array_0_0_=-16, last_1_signed_short_int_Array_0_0_=1, last_1_unsigned_char_Array_0_2_=10, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L87] EXPR (((signed_short_int_Array_0[0] <= 16) ? (unsigned_char_Array_0[2] == ((unsigned char) unsigned_char_Array_0[1])) : ((((((double_Array_0[0]) > (double_Array_0[0])) ? (double_Array_0[0]) : (double_Array_0[0]))) < double_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0] ? (unsigned_char_Array_0[2] == ((unsigned char) unsigned_char_Array_0[1])) : (unsigned_char_Array_0[2] == ((unsigned char) unsigned_char_Array_0[1]))) : (unsigned_char_Array_0[2] == ((unsigned char) unsigned_char_Array_0[1])))) && (((10 << signed_short_int_Array_0[0]) < (unsigned_char_Array_0[1] * signed_long_int_Array_0[0])) ? (signed_short_int_Array_0[1] == ((signed short int) (signed_short_int_Array_0[0] + signed_long_int_Array_0[0]))) : 1)) && (unsigned_char_Array_0[0] == ((unsigned char) 64)) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0_=46/5, last_1_signed_long_int_Array_0_0_=-16, last_1_signed_short_int_Array_0_0_=1, last_1_unsigned_char_Array_0_2_=10, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L87] EXPR ((((signed_short_int_Array_0[0] <= 16) ? (unsigned_char_Array_0[2] == ((unsigned char) unsigned_char_Array_0[1])) : ((((((double_Array_0[0]) > (double_Array_0[0])) ? (double_Array_0[0]) : (double_Array_0[0]))) < double_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0] ? (unsigned_char_Array_0[2] == ((unsigned char) unsigned_char_Array_0[1])) : (unsigned_char_Array_0[2] == ((unsigned char) unsigned_char_Array_0[1]))) : (unsigned_char_Array_0[2] == ((unsigned char) unsigned_char_Array_0[1])))) && (((10 << signed_short_int_Array_0[0]) < (unsigned_char_Array_0[1] * signed_long_int_Array_0[0])) ? (signed_short_int_Array_0[1] == ((signed short int) (signed_short_int_Array_0[0] + signed_long_int_Array_0[0]))) : 1)) && (unsigned_char_Array_0[0] == ((unsigned char) 64))) && (double_Array_0[0] == ((double) double_Array_0[1])) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0_=46/5, last_1_signed_long_int_Array_0_0_=-16, last_1_signed_short_int_Array_0_0_=1, last_1_unsigned_char_Array_0_2_=10, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L87] EXPR ((((signed_short_int_Array_0[0] <= 16) ? (unsigned_char_Array_0[2] == ((unsigned char) unsigned_char_Array_0[1])) : ((((((double_Array_0[0]) > (double_Array_0[0])) ? (double_Array_0[0]) : (double_Array_0[0]))) < double_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0] ? (unsigned_char_Array_0[2] == ((unsigned char) unsigned_char_Array_0[1])) : (unsigned_char_Array_0[2] == ((unsigned char) unsigned_char_Array_0[1]))) : (unsigned_char_Array_0[2] == ((unsigned char) unsigned_char_Array_0[1])))) && (((10 << signed_short_int_Array_0[0]) < (unsigned_char_Array_0[1] * signed_long_int_Array_0[0])) ? (signed_short_int_Array_0[1] == ((signed short int) (signed_short_int_Array_0[0] + signed_long_int_Array_0[0]))) : 1)) && (unsigned_char_Array_0[0] == ((unsigned char) 64))) && (double_Array_0[0] == ((double) double_Array_0[1])) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0_=46/5, last_1_signed_long_int_Array_0_0_=-16, last_1_signed_short_int_Array_0_0_=1, last_1_unsigned_char_Array_0_2_=10, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L87] EXPR (((((signed_short_int_Array_0[0] <= 16) ? (unsigned_char_Array_0[2] == ((unsigned char) unsigned_char_Array_0[1])) : ((((((double_Array_0[0]) > (double_Array_0[0])) ? (double_Array_0[0]) : (double_Array_0[0]))) < double_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0] ? (unsigned_char_Array_0[2] == ((unsigned char) unsigned_char_Array_0[1])) : (unsigned_char_Array_0[2] == ((unsigned char) unsigned_char_Array_0[1]))) : (unsigned_char_Array_0[2] == ((unsigned char) unsigned_char_Array_0[1])))) && (((10 << signed_short_int_Array_0[0]) < (unsigned_char_Array_0[1] * signed_long_int_Array_0[0])) ? (signed_short_int_Array_0[1] == ((signed short int) (signed_short_int_Array_0[0] + signed_long_int_Array_0[0]))) : 1)) && (unsigned_char_Array_0[0] == ((unsigned char) 64))) && (double_Array_0[0] == ((double) double_Array_0[1]))) && ((((last_1_signed_short_int_Array_0_0_ + last_1_unsigned_char_Array_0_2_) < 10) || (last_1_double_Array_0_0_ > last_1_double_Array_0_0_)) ? (signed_short_int_Array_0[0] == ((signed short int) ((((((unsigned_char_Array_0[1] + last_1_signed_short_int_Array_0_0_) - ((((last_1_signed_long_int_Array_0_0_) > (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_long_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_))))) > (last_1_unsigned_char_Array_0_2_)) ? (((unsigned_char_Array_0[1] + last_1_signed_short_int_Array_0_0_) - ((((last_1_signed_long_int_Array_0_0_) > (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_long_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_))))) : (last_1_unsigned_char_Array_0_2_))))) : (signed_short_int_Array_0[0] == ((signed short int) last_1_signed_short_int_Array_0_0_))) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0_=46/5, last_1_signed_long_int_Array_0_0_=-16, last_1_signed_short_int_Array_0_0_=1, last_1_unsigned_char_Array_0_2_=10, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L87] EXPR (((((signed_short_int_Array_0[0] <= 16) ? (unsigned_char_Array_0[2] == ((unsigned char) unsigned_char_Array_0[1])) : ((((((double_Array_0[0]) > (double_Array_0[0])) ? (double_Array_0[0]) : (double_Array_0[0]))) < double_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0] ? (unsigned_char_Array_0[2] == ((unsigned char) unsigned_char_Array_0[1])) : (unsigned_char_Array_0[2] == ((unsigned char) unsigned_char_Array_0[1]))) : (unsigned_char_Array_0[2] == ((unsigned char) unsigned_char_Array_0[1])))) && (((10 << signed_short_int_Array_0[0]) < (unsigned_char_Array_0[1] * signed_long_int_Array_0[0])) ? (signed_short_int_Array_0[1] == ((signed short int) (signed_short_int_Array_0[0] + signed_long_int_Array_0[0]))) : 1)) && (unsigned_char_Array_0[0] == ((unsigned char) 64))) && (double_Array_0[0] == ((double) double_Array_0[1]))) && ((((last_1_signed_short_int_Array_0_0_ + last_1_unsigned_char_Array_0_2_) < 10) || (last_1_double_Array_0_0_ > last_1_double_Array_0_0_)) ? (signed_short_int_Array_0[0] == ((signed short int) ((((((unsigned_char_Array_0[1] + last_1_signed_short_int_Array_0_0_) - ((((last_1_signed_long_int_Array_0_0_) > (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_long_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_))))) > (last_1_unsigned_char_Array_0_2_)) ? (((unsigned_char_Array_0[1] + last_1_signed_short_int_Array_0_0_) - ((((last_1_signed_long_int_Array_0_0_) > (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_long_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_))))) : (last_1_unsigned_char_Array_0_2_))))) : (signed_short_int_Array_0[0] == ((signed short int) last_1_signed_short_int_Array_0_0_))) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0_=46/5, last_1_signed_long_int_Array_0_0_=-16, last_1_signed_short_int_Array_0_0_=1, last_1_unsigned_char_Array_0_2_=10, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L87] EXPR ((((((signed_short_int_Array_0[0] <= 16) ? (unsigned_char_Array_0[2] == ((unsigned char) unsigned_char_Array_0[1])) : ((((((double_Array_0[0]) > (double_Array_0[0])) ? (double_Array_0[0]) : (double_Array_0[0]))) < double_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0] ? (unsigned_char_Array_0[2] == ((unsigned char) unsigned_char_Array_0[1])) : (unsigned_char_Array_0[2] == ((unsigned char) unsigned_char_Array_0[1]))) : (unsigned_char_Array_0[2] == ((unsigned char) unsigned_char_Array_0[1])))) && (((10 << signed_short_int_Array_0[0]) < (unsigned_char_Array_0[1] * signed_long_int_Array_0[0])) ? (signed_short_int_Array_0[1] == ((signed short int) (signed_short_int_Array_0[0] + signed_long_int_Array_0[0]))) : 1)) && (unsigned_char_Array_0[0] == ((unsigned char) 64))) && (double_Array_0[0] == ((double) double_Array_0[1]))) && ((((last_1_signed_short_int_Array_0_0_ + last_1_unsigned_char_Array_0_2_) < 10) || (last_1_double_Array_0_0_ > last_1_double_Array_0_0_)) ? (signed_short_int_Array_0[0] == ((signed short int) ((((((unsigned_char_Array_0[1] + last_1_signed_short_int_Array_0_0_) - ((((last_1_signed_long_int_Array_0_0_) > (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_long_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_))))) > (last_1_unsigned_char_Array_0_2_)) ? (((unsigned_char_Array_0[1] + last_1_signed_short_int_Array_0_0_) - ((((last_1_signed_long_int_Array_0_0_) > (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_long_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_))))) : (last_1_unsigned_char_Array_0_2_))))) : (signed_short_int_Array_0[0] == ((signed short int) last_1_signed_short_int_Array_0_0_)))) && (signed_long_int_Array_0[0] == ((signed long int) signed_short_int_Array_0[0])) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0_=46/5, last_1_signed_long_int_Array_0_0_=-16, last_1_signed_short_int_Array_0_0_=1, last_1_unsigned_char_Array_0_2_=10, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L87] EXPR ((((((signed_short_int_Array_0[0] <= 16) ? (unsigned_char_Array_0[2] == ((unsigned char) unsigned_char_Array_0[1])) : ((((((double_Array_0[0]) > (double_Array_0[0])) ? (double_Array_0[0]) : (double_Array_0[0]))) < double_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0] ? (unsigned_char_Array_0[2] == ((unsigned char) unsigned_char_Array_0[1])) : (unsigned_char_Array_0[2] == ((unsigned char) unsigned_char_Array_0[1]))) : (unsigned_char_Array_0[2] == ((unsigned char) unsigned_char_Array_0[1])))) && (((10 << signed_short_int_Array_0[0]) < (unsigned_char_Array_0[1] * signed_long_int_Array_0[0])) ? (signed_short_int_Array_0[1] == ((signed short int) (signed_short_int_Array_0[0] + signed_long_int_Array_0[0]))) : 1)) && (unsigned_char_Array_0[0] == ((unsigned char) 64))) && (double_Array_0[0] == ((double) double_Array_0[1]))) && ((((last_1_signed_short_int_Array_0_0_ + last_1_unsigned_char_Array_0_2_) < 10) || (last_1_double_Array_0_0_ > last_1_double_Array_0_0_)) ? (signed_short_int_Array_0[0] == ((signed short int) ((((((unsigned_char_Array_0[1] + last_1_signed_short_int_Array_0_0_) - ((((last_1_signed_long_int_Array_0_0_) > (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_long_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_))))) > (last_1_unsigned_char_Array_0_2_)) ? (((unsigned_char_Array_0[1] + last_1_signed_short_int_Array_0_0_) - ((((last_1_signed_long_int_Array_0_0_) > (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_long_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_))))) : (last_1_unsigned_char_Array_0_2_))))) : (signed_short_int_Array_0[0] == ((signed short int) last_1_signed_short_int_Array_0_0_)))) && (signed_long_int_Array_0[0] == ((signed long int) signed_short_int_Array_0[0])) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0_=46/5, last_1_signed_long_int_Array_0_0_=-16, last_1_signed_short_int_Array_0_0_=1, last_1_unsigned_char_Array_0_2_=10, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L87-L88] return ((((((signed_short_int_Array_0[0] <= 16) ? (unsigned_char_Array_0[2] == ((unsigned char) unsigned_char_Array_0[1])) : ((((((double_Array_0[0]) > (double_Array_0[0])) ? (double_Array_0[0]) : (double_Array_0[0]))) < double_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0] ? (unsigned_char_Array_0[2] == ((unsigned char) unsigned_char_Array_0[1])) : (unsigned_char_Array_0[2] == ((unsigned char) unsigned_char_Array_0[1]))) : (unsigned_char_Array_0[2] == ((unsigned char) unsigned_char_Array_0[1])))) && (((10 << signed_short_int_Array_0[0]) < (unsigned_char_Array_0[1] * signed_long_int_Array_0[0])) ? (signed_short_int_Array_0[1] == ((signed short int) (signed_short_int_Array_0[0] + signed_long_int_Array_0[0]))) : 1)) && (unsigned_char_Array_0[0] == ((unsigned char) 64))) && (double_Array_0[0] == ((double) double_Array_0[1]))) && ((((last_1_signed_short_int_Array_0_0_ + last_1_unsigned_char_Array_0_2_) < 10) || (last_1_double_Array_0_0_ > last_1_double_Array_0_0_)) ? (signed_short_int_Array_0[0] == ((signed short int) ((((((unsigned_char_Array_0[1] + last_1_signed_short_int_Array_0_0_) - ((((last_1_signed_long_int_Array_0_0_) > (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_long_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_))))) > (last_1_unsigned_char_Array_0_2_)) ? (((unsigned_char_Array_0[1] + last_1_signed_short_int_Array_0_0_) - ((((last_1_signed_long_int_Array_0_0_) > (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_long_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_))))) : (last_1_unsigned_char_Array_0_2_))))) : (signed_short_int_Array_0[0] == ((signed short int) last_1_signed_short_int_Array_0_0_)))) && (signed_long_int_Array_0[0] == ((signed long int) signed_short_int_Array_0[0])) ; [L97] RET, EXPR property() [L97] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=0, cond=0, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0_=46/5, last_1_signed_long_int_Array_0_0_=-16, last_1_signed_short_int_Array_0_0_=1, last_1_unsigned_char_Array_0_2_=10, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L19] reach_error() VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=0, cond=0, double_Array_0={5:0}, isInitial=1, last_1_double_Array_0_0_=46/5, last_1_signed_long_int_Array_0_0_=-16, last_1_signed_short_int_Array_0_0_=1, last_1_unsigned_char_Array_0_2_=10, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 67 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 7.9s, OverallIterations: 10, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 679 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 678 mSDsluCounter, 2664 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1872 mSDsCounter, 30 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 538 IncrementalHoareTripleChecker+Invalid, 568 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 30 mSolverCounterUnsat, 792 mSDtfsCounter, 538 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 529 GetRequests, 489 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=255occurred in iteration=9, InterpolantAutomatonStates: 51, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 9 MinimizatonAttempts, 427 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 696 NumberOfCodeBlocks, 696 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 512 ConstructedInterpolants, 0 QuantifiedInterpolants, 2012 SizeOfPredicates, 29 NumberOfNonLiveVariables, 2527 ConjunctsInSsa, 58 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 360/360 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-23 22:36:57,459 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24c8a8-d0af-4386-a981-d50f884bb54b/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24c8a8-d0af-4386-a981-d50f884bb54b/bin/uautomizer-verify-zZY32mL2XJ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24c8a8-d0af-4386-a981-d50f884bb54b/bin/uautomizer-verify-zZY32mL2XJ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24c8a8-d0af-4386-a981-d50f884bb54b/bin/uautomizer-verify-zZY32mL2XJ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24c8a8-d0af-4386-a981-d50f884bb54b/bin/uautomizer-verify-zZY32mL2XJ/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-9.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24c8a8-d0af-4386-a981-d50f884bb54b/bin/uautomizer-verify-zZY32mL2XJ/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24c8a8-d0af-4386-a981-d50f884bb54b/bin/uautomizer-verify-zZY32mL2XJ --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 1c975edcf93ad701ca3189f1eb3683e2db491e10cd89ec62916352d02b9ad719 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 22:37:00,365 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 22:37:00,523 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24c8a8-d0af-4386-a981-d50f884bb54b/bin/uautomizer-verify-zZY32mL2XJ/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-23 22:37:00,533 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 22:37:00,534 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 22:37:00,593 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 22:37:00,594 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 22:37:00,595 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 22:37:00,596 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-23 22:37:00,602 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-23 22:37:00,603 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 22:37:00,604 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 22:37:00,605 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 22:37:00,607 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 22:37:00,608 INFO L153 SettingsManager]: * Use SBE=true [2023-11-23 22:37:00,609 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 22:37:00,610 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 22:37:00,610 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 22:37:00,611 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 22:37:00,612 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 22:37:00,613 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 22:37:00,614 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 22:37:00,614 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 22:37:00,615 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 22:37:00,615 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 22:37:00,616 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 22:37:00,617 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 22:37:00,617 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 22:37:00,618 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 22:37:00,618 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 22:37:00,620 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 22:37:00,620 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 22:37:00,621 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 22:37:00,621 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 22:37:00,622 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 22:37:00,622 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 22:37:00,623 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 22:37:00,624 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-23 22:37:00,624 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 22:37:00,624 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 22:37:00,625 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-23 22:37:00,625 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 22:37:00,625 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-23 22:37:00,625 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 22:37:00,626 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-23 22:37:00,627 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_dc24c8a8-d0af-4386-a981-d50f884bb54b/bin/uautomizer-verify-zZY32mL2XJ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24c8a8-d0af-4386-a981-d50f884bb54b/bin/uautomizer-verify-zZY32mL2XJ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1c975edcf93ad701ca3189f1eb3683e2db491e10cd89ec62916352d02b9ad719 [2023-11-23 22:37:01,077 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 22:37:01,099 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 22:37:01,102 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 22:37:01,103 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 22:37:01,104 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 22:37:01,107 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24c8a8-d0af-4386-a981-d50f884bb54b/bin/uautomizer-verify-zZY32mL2XJ/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-9.i [2023-11-23 22:37:04,273 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 22:37:04,625 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 22:37:04,626 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24c8a8-d0af-4386-a981-d50f884bb54b/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-9.i [2023-11-23 22:37:04,636 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24c8a8-d0af-4386-a981-d50f884bb54b/bin/uautomizer-verify-zZY32mL2XJ/data/39b159462/5cb05d94a87e4232a80cc8f2169516ed/FLAG1c3405fc7 [2023-11-23 22:37:04,653 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24c8a8-d0af-4386-a981-d50f884bb54b/bin/uautomizer-verify-zZY32mL2XJ/data/39b159462/5cb05d94a87e4232a80cc8f2169516ed [2023-11-23 22:37:04,656 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 22:37:04,658 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 22:37:04,659 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 22:37:04,660 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 22:37:04,666 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 22:37:04,668 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:37:04" (1/1) ... [2023-11-23 22:37:04,670 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d4ba580 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:37:04, skipping insertion in model container [2023-11-23 22:37:04,670 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:37:04" (1/1) ... [2023-11-23 22:37:04,717 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 22:37:04,889 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24c8a8-d0af-4386-a981-d50f884bb54b/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-9.i[915,928] [2023-11-23 22:37:04,970 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 22:37:04,996 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 22:37:05,012 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24c8a8-d0af-4386-a981-d50f884bb54b/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-9.i[915,928] [2023-11-23 22:37:05,080 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 22:37:05,126 INFO L206 MainTranslator]: Completed translation [2023-11-23 22:37:05,127 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:37:05 WrapperNode [2023-11-23 22:37:05,127 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 22:37:05,129 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 22:37:05,129 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 22:37:05,129 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 22:37:05,138 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:37:05" (1/1) ... [2023-11-23 22:37:05,171 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:37:05" (1/1) ... [2023-11-23 22:37:05,232 INFO L138 Inliner]: procedures = 36, calls = 107, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 294 [2023-11-23 22:37:05,235 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 22:37:05,237 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 22:37:05,237 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 22:37:05,237 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 22:37:05,249 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:37:05" (1/1) ... [2023-11-23 22:37:05,249 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:37:05" (1/1) ... [2023-11-23 22:37:05,269 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:37:05" (1/1) ... [2023-11-23 22:37:05,311 INFO L189 HeapSplitter]: Split 86 memory accesses to 6 slices as follows [2, 6, 22, 8, 17, 31] [2023-11-23 22:37:05,311 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:37:05" (1/1) ... [2023-11-23 22:37:05,311 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:37:05" (1/1) ... [2023-11-23 22:37:05,342 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:37:05" (1/1) ... [2023-11-23 22:37:05,347 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:37:05" (1/1) ... [2023-11-23 22:37:05,364 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:37:05" (1/1) ... [2023-11-23 22:37:05,368 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:37:05" (1/1) ... [2023-11-23 22:37:05,375 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 22:37:05,388 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 22:37:05,389 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 22:37:05,389 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 22:37:05,390 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:37:05" (1/1) ... [2023-11-23 22:37:05,397 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 22:37:05,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24c8a8-d0af-4386-a981-d50f884bb54b/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 22:37:05,424 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24c8a8-d0af-4386-a981-d50f884bb54b/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 22:37:05,457 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24c8a8-d0af-4386-a981-d50f884bb54b/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 22:37:05,473 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 22:37:05,473 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#0 [2023-11-23 22:37:05,473 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#1 [2023-11-23 22:37:05,473 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#2 [2023-11-23 22:37:05,475 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#3 [2023-11-23 22:37:05,475 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#4 [2023-11-23 22:37:05,476 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#5 [2023-11-23 22:37:05,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#0 [2023-11-23 22:37:05,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#1 [2023-11-23 22:37:05,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#2 [2023-11-23 22:37:05,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#3 [2023-11-23 22:37:05,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#4 [2023-11-23 22:37:05,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#5 [2023-11-23 22:37:05,504 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2023-11-23 22:37:05,505 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2023-11-23 22:37:05,505 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2023-11-23 22:37:05,505 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2023-11-23 22:37:05,506 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2023-11-23 22:37:05,507 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#5 [2023-11-23 22:37:05,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#0 [2023-11-23 22:37:05,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#1 [2023-11-23 22:37:05,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#2 [2023-11-23 22:37:05,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#3 [2023-11-23 22:37:05,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#4 [2023-11-23 22:37:05,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#5 [2023-11-23 22:37:05,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-23 22:37:05,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2023-11-23 22:37:05,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2023-11-23 22:37:05,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2023-11-23 22:37:05,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2023-11-23 22:37:05,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2023-11-23 22:37:05,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2023-11-23 22:37:05,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2023-11-23 22:37:05,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2023-11-23 22:37:05,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2023-11-23 22:37:05,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#4 [2023-11-23 22:37:05,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#5 [2023-11-23 22:37:05,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#0 [2023-11-23 22:37:05,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#1 [2023-11-23 22:37:05,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#2 [2023-11-23 22:37:05,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#3 [2023-11-23 22:37:05,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#4 [2023-11-23 22:37:05,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#5 [2023-11-23 22:37:05,514 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2023-11-23 22:37:05,514 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2023-11-23 22:37:05,515 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2023-11-23 22:37:05,515 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2023-11-23 22:37:05,515 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2023-11-23 22:37:05,515 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2023-11-23 22:37:05,516 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#0 [2023-11-23 22:37:05,516 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#1 [2023-11-23 22:37:05,516 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#2 [2023-11-23 22:37:05,516 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#3 [2023-11-23 22:37:05,517 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#4 [2023-11-23 22:37:05,517 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#5 [2023-11-23 22:37:05,517 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 22:37:05,517 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 22:37:05,518 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 22:37:05,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 22:37:05,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2023-11-23 22:37:05,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2023-11-23 22:37:05,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2023-11-23 22:37:05,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2023-11-23 22:37:05,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2023-11-23 22:37:05,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#5 [2023-11-23 22:37:05,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#0 [2023-11-23 22:37:05,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#1 [2023-11-23 22:37:05,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#2 [2023-11-23 22:37:05,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#3 [2023-11-23 22:37:05,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#4 [2023-11-23 22:37:05,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#5 [2023-11-23 22:37:05,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2023-11-23 22:37:05,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2023-11-23 22:37:05,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2023-11-23 22:37:05,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2023-11-23 22:37:05,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2023-11-23 22:37:05,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2023-11-23 22:37:05,781 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 22:37:05,784 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 22:37:06,462 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 22:37:06,553 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 22:37:06,553 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 22:37:06,554 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:37:06 BoogieIcfgContainer [2023-11-23 22:37:06,554 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 22:37:06,557 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 22:37:06,557 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 22:37:06,561 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 22:37:06,561 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 10:37:04" (1/3) ... [2023-11-23 22:37:06,562 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59cece05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:37:06, skipping insertion in model container [2023-11-23 22:37:06,562 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:37:05" (2/3) ... [2023-11-23 22:37:06,563 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59cece05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:37:06, skipping insertion in model container [2023-11-23 22:37:06,563 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:37:06" (3/3) ... [2023-11-23 22:37:06,569 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-9.i [2023-11-23 22:37:06,589 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 22:37:06,589 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 22:37:06,647 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 22:37:06,654 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@5665e9ab, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 22:37:06,655 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 22:37:06,661 INFO L276 IsEmpty]: Start isEmpty. Operand has 63 states, 55 states have (on average 1.490909090909091) internal successors, (82), 56 states have internal predecessors, (82), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-11-23 22:37:06,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-23 22:37:06,673 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 22:37:06,674 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:37:06,675 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 22:37:06,688 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:37:06,690 INFO L85 PathProgramCache]: Analyzing trace with hash 1212209025, now seen corresponding path program 1 times [2023-11-23 22:37:06,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-23 22:37:06,714 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1772954805] [2023-11-23 22:37:06,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:37:06,715 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 22:37:06,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24c8a8-d0af-4386-a981-d50f884bb54b/bin/uautomizer-verify-zZY32mL2XJ/mathsat [2023-11-23 22:37:06,718 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24c8a8-d0af-4386-a981-d50f884bb54b/bin/uautomizer-verify-zZY32mL2XJ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 22:37:06,769 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24c8a8-d0af-4386-a981-d50f884bb54b/bin/uautomizer-verify-zZY32mL2XJ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-23 22:37:07,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:37:07,086 INFO L262 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 22:37:07,094 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 22:37:07,139 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-11-23 22:37:07,140 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 22:37:07,141 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-23 22:37:07,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1772954805] [2023-11-23 22:37:07,142 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1772954805] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:37:07,142 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:37:07,143 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 22:37:07,145 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1613655847] [2023-11-23 22:37:07,145 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:37:07,151 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 22:37:07,151 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-23 22:37:07,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 22:37:07,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 22:37:07,212 INFO L87 Difference]: Start difference. First operand has 63 states, 55 states have (on average 1.490909090909091) internal successors, (82), 56 states have internal predecessors, (82), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-23 22:37:07,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 22:37:07,272 INFO L93 Difference]: Finished difference Result 123 states and 187 transitions. [2023-11-23 22:37:07,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 22:37:07,275 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 2 states have call successors, (5) Word has length 55 [2023-11-23 22:37:07,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 22:37:07,284 INFO L225 Difference]: With dead ends: 123 [2023-11-23 22:37:07,285 INFO L226 Difference]: Without dead ends: 61 [2023-11-23 22:37:07,289 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 22:37:07,294 INFO L413 NwaCegarLoop]: 83 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 22:37:07,296 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 83 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 22:37:07,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2023-11-23 22:37:07,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2023-11-23 22:37:07,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 54 states have (on average 1.4259259259259258) internal successors, (77), 54 states have internal predecessors, (77), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-11-23 22:37:07,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 87 transitions. [2023-11-23 22:37:07,351 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 87 transitions. Word has length 55 [2023-11-23 22:37:07,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 22:37:07,357 INFO L495 AbstractCegarLoop]: Abstraction has 61 states and 87 transitions. [2023-11-23 22:37:07,358 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-23 22:37:07,358 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 87 transitions. [2023-11-23 22:37:07,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-23 22:37:07,363 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 22:37:07,364 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:37:07,380 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24c8a8-d0af-4386-a981-d50f884bb54b/bin/uautomizer-verify-zZY32mL2XJ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-23 22:37:07,580 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24c8a8-d0af-4386-a981-d50f884bb54b/bin/uautomizer-verify-zZY32mL2XJ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 22:37:07,581 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 22:37:07,582 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:37:07,582 INFO L85 PathProgramCache]: Analyzing trace with hash -428638785, now seen corresponding path program 1 times [2023-11-23 22:37:07,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-23 22:37:07,583 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1574891293] [2023-11-23 22:37:07,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:37:07,583 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 22:37:07,583 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24c8a8-d0af-4386-a981-d50f884bb54b/bin/uautomizer-verify-zZY32mL2XJ/mathsat [2023-11-23 22:37:07,625 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24c8a8-d0af-4386-a981-d50f884bb54b/bin/uautomizer-verify-zZY32mL2XJ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 22:37:07,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24c8a8-d0af-4386-a981-d50f884bb54b/bin/uautomizer-verify-zZY32mL2XJ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-23 22:37:07,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:37:07,879 INFO L262 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 22:37:07,884 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 22:37:07,921 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-23 22:37:07,922 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 22:37:07,922 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-23 22:37:07,922 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1574891293] [2023-11-23 22:37:07,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1574891293] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:37:07,923 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:37:07,923 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-23 22:37:07,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1273106606] [2023-11-23 22:37:07,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:37:07,925 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 22:37:07,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-23 22:37:07,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 22:37:07,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-23 22:37:07,927 INFO L87 Difference]: Start difference. First operand 61 states and 87 transitions. Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-23 22:37:08,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 22:37:08,050 INFO L93 Difference]: Finished difference Result 127 states and 182 transitions. [2023-11-23 22:37:08,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 22:37:08,052 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 55 [2023-11-23 22:37:08,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 22:37:08,054 INFO L225 Difference]: With dead ends: 127 [2023-11-23 22:37:08,054 INFO L226 Difference]: Without dead ends: 67 [2023-11-23 22:37:08,055 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-23 22:37:08,057 INFO L413 NwaCegarLoop]: 82 mSDtfsCounter, 10 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 238 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-23 22:37:08,057 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 238 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-23 22:37:08,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2023-11-23 22:37:08,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 63. [2023-11-23 22:37:08,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 56 states have (on average 1.4107142857142858) internal successors, (79), 56 states have internal predecessors, (79), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-11-23 22:37:08,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 89 transitions. [2023-11-23 22:37:08,069 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 89 transitions. Word has length 55 [2023-11-23 22:37:08,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 22:37:08,069 INFO L495 AbstractCegarLoop]: Abstraction has 63 states and 89 transitions. [2023-11-23 22:37:08,070 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-23 22:37:08,070 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 89 transitions. [2023-11-23 22:37:08,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-23 22:37:08,072 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 22:37:08,072 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:37:08,083 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24c8a8-d0af-4386-a981-d50f884bb54b/bin/uautomizer-verify-zZY32mL2XJ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-23 22:37:08,278 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24c8a8-d0af-4386-a981-d50f884bb54b/bin/uautomizer-verify-zZY32mL2XJ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 22:37:08,279 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 22:37:08,279 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:37:08,280 INFO L85 PathProgramCache]: Analyzing trace with hash -852285507, now seen corresponding path program 1 times [2023-11-23 22:37:08,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-23 22:37:08,281 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1795969004] [2023-11-23 22:37:08,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:37:08,281 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 22:37:08,281 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24c8a8-d0af-4386-a981-d50f884bb54b/bin/uautomizer-verify-zZY32mL2XJ/mathsat [2023-11-23 22:37:08,282 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24c8a8-d0af-4386-a981-d50f884bb54b/bin/uautomizer-verify-zZY32mL2XJ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 22:37:08,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24c8a8-d0af-4386-a981-d50f884bb54b/bin/uautomizer-verify-zZY32mL2XJ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-23 22:37:08,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:37:08,570 INFO L262 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 22:37:08,573 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 22:37:08,591 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-23 22:37:08,592 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 22:37:08,592 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-23 22:37:08,592 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1795969004] [2023-11-23 22:37:08,592 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1795969004] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:37:08,593 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:37:08,593 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-23 22:37:08,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1059628720] [2023-11-23 22:37:08,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:37:08,594 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 22:37:08,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-23 22:37:08,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 22:37:08,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-23 22:37:08,595 INFO L87 Difference]: Start difference. First operand 63 states and 89 transitions. Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2023-11-23 22:37:08,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 22:37:08,657 INFO L93 Difference]: Finished difference Result 149 states and 212 transitions. [2023-11-23 22:37:08,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 22:37:08,658 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 55 [2023-11-23 22:37:08,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 22:37:08,660 INFO L225 Difference]: With dead ends: 149 [2023-11-23 22:37:08,660 INFO L226 Difference]: Without dead ends: 87 [2023-11-23 22:37:08,661 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-23 22:37:08,662 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 48 mSDsluCounter, 169 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 249 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 22:37:08,663 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 249 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 22:37:08,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2023-11-23 22:37:08,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 65. [2023-11-23 22:37:08,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 58 states have (on average 1.396551724137931) internal successors, (81), 58 states have internal predecessors, (81), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-11-23 22:37:08,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 91 transitions. [2023-11-23 22:37:08,672 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 91 transitions. Word has length 55 [2023-11-23 22:37:08,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 22:37:08,673 INFO L495 AbstractCegarLoop]: Abstraction has 65 states and 91 transitions. [2023-11-23 22:37:08,673 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2023-11-23 22:37:08,673 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 91 transitions. [2023-11-23 22:37:08,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-23 22:37:08,676 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 22:37:08,676 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:37:08,682 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24c8a8-d0af-4386-a981-d50f884bb54b/bin/uautomizer-verify-zZY32mL2XJ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-11-23 22:37:08,882 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24c8a8-d0af-4386-a981-d50f884bb54b/bin/uautomizer-verify-zZY32mL2XJ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 22:37:08,882 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 22:37:08,883 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:37:08,883 INFO L85 PathProgramCache]: Analyzing trace with hash -1245312517, now seen corresponding path program 1 times [2023-11-23 22:37:08,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-23 22:37:08,884 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [567909954] [2023-11-23 22:37:08,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:37:08,884 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 22:37:08,884 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24c8a8-d0af-4386-a981-d50f884bb54b/bin/uautomizer-verify-zZY32mL2XJ/mathsat [2023-11-23 22:37:08,886 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24c8a8-d0af-4386-a981-d50f884bb54b/bin/uautomizer-verify-zZY32mL2XJ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 22:37:08,896 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24c8a8-d0af-4386-a981-d50f884bb54b/bin/uautomizer-verify-zZY32mL2XJ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-11-23 22:37:09,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:37:09,172 INFO L262 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 22:37:09,176 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 22:37:09,200 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-23 22:37:09,200 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 22:37:09,200 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-23 22:37:09,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [567909954] [2023-11-23 22:37:09,201 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [567909954] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:37:09,201 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:37:09,201 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-23 22:37:09,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [459572141] [2023-11-23 22:37:09,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:37:09,202 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 22:37:09,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-23 22:37:09,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 22:37:09,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-23 22:37:09,204 INFO L87 Difference]: Start difference. First operand 65 states and 91 transitions. Second operand has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2023-11-23 22:37:09,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 22:37:09,321 INFO L93 Difference]: Finished difference Result 160 states and 226 transitions. [2023-11-23 22:37:09,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-23 22:37:09,322 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 55 [2023-11-23 22:37:09,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 22:37:09,330 INFO L225 Difference]: With dead ends: 160 [2023-11-23 22:37:09,330 INFO L226 Difference]: Without dead ends: 96 [2023-11-23 22:37:09,336 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-23 22:37:09,338 INFO L413 NwaCegarLoop]: 78 mSDtfsCounter, 69 mSDsluCounter, 264 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 342 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-23 22:37:09,340 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 342 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-23 22:37:09,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2023-11-23 22:37:09,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 67. [2023-11-23 22:37:09,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 60 states have (on average 1.3833333333333333) internal successors, (83), 60 states have internal predecessors, (83), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-11-23 22:37:09,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 93 transitions. [2023-11-23 22:37:09,362 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 93 transitions. Word has length 55 [2023-11-23 22:37:09,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 22:37:09,362 INFO L495 AbstractCegarLoop]: Abstraction has 67 states and 93 transitions. [2023-11-23 22:37:09,363 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2023-11-23 22:37:09,364 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 93 transitions. [2023-11-23 22:37:09,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-23 22:37:09,368 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 22:37:09,368 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:37:09,381 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24c8a8-d0af-4386-a981-d50f884bb54b/bin/uautomizer-verify-zZY32mL2XJ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2023-11-23 22:37:09,581 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24c8a8-d0af-4386-a981-d50f884bb54b/bin/uautomizer-verify-zZY32mL2XJ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 22:37:09,581 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 22:37:09,582 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:37:09,582 INFO L85 PathProgramCache]: Analyzing trace with hash -2054659143, now seen corresponding path program 1 times [2023-11-23 22:37:09,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-23 22:37:09,583 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1016013531] [2023-11-23 22:37:09,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:37:09,583 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 22:37:09,583 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24c8a8-d0af-4386-a981-d50f884bb54b/bin/uautomizer-verify-zZY32mL2XJ/mathsat [2023-11-23 22:37:09,585 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24c8a8-d0af-4386-a981-d50f884bb54b/bin/uautomizer-verify-zZY32mL2XJ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 22:37:09,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24c8a8-d0af-4386-a981-d50f884bb54b/bin/uautomizer-verify-zZY32mL2XJ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2023-11-23 22:37:09,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:37:09,838 INFO L262 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 22:37:09,841 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 22:37:09,884 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-23 22:37:09,885 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 22:37:09,885 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-23 22:37:09,885 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1016013531] [2023-11-23 22:37:09,886 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1016013531] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:37:09,886 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:37:09,886 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-23 22:37:09,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [485779143] [2023-11-23 22:37:09,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:37:09,887 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-23 22:37:09,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-23 22:37:09,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-23 22:37:09,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-23 22:37:09,889 INFO L87 Difference]: Start difference. First operand 67 states and 93 transitions. Second operand has 7 states, 7 states have (on average 4.714285714285714) internal successors, (33), 7 states have internal predecessors, (33), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2023-11-23 22:37:10,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 22:37:10,121 INFO L93 Difference]: Finished difference Result 154 states and 213 transitions. [2023-11-23 22:37:10,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-23 22:37:10,122 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.714285714285714) internal successors, (33), 7 states have internal predecessors, (33), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 55 [2023-11-23 22:37:10,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 22:37:10,124 INFO L225 Difference]: With dead ends: 154 [2023-11-23 22:37:10,124 INFO L226 Difference]: Without dead ends: 88 [2023-11-23 22:37:10,124 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2023-11-23 22:37:10,125 INFO L413 NwaCegarLoop]: 75 mSDtfsCounter, 34 mSDsluCounter, 371 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 446 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-23 22:37:10,126 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 446 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-23 22:37:10,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2023-11-23 22:37:10,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 71. [2023-11-23 22:37:10,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 64 states have (on average 1.359375) internal successors, (87), 64 states have internal predecessors, (87), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-11-23 22:37:10,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 97 transitions. [2023-11-23 22:37:10,136 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 97 transitions. Word has length 55 [2023-11-23 22:37:10,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 22:37:10,136 INFO L495 AbstractCegarLoop]: Abstraction has 71 states and 97 transitions. [2023-11-23 22:37:10,137 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.714285714285714) internal successors, (33), 7 states have internal predecessors, (33), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2023-11-23 22:37:10,137 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 97 transitions. [2023-11-23 22:37:10,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-23 22:37:10,138 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 22:37:10,139 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:37:10,155 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24c8a8-d0af-4386-a981-d50f884bb54b/bin/uautomizer-verify-zZY32mL2XJ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2023-11-23 22:37:10,355 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24c8a8-d0af-4386-a981-d50f884bb54b/bin/uautomizer-verify-zZY32mL2XJ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 22:37:10,355 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 22:37:10,355 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:37:10,356 INFO L85 PathProgramCache]: Analyzing trace with hash -2054599561, now seen corresponding path program 1 times [2023-11-23 22:37:10,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-23 22:37:10,357 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [480284323] [2023-11-23 22:37:10,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:37:10,357 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 22:37:10,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24c8a8-d0af-4386-a981-d50f884bb54b/bin/uautomizer-verify-zZY32mL2XJ/mathsat [2023-11-23 22:37:10,358 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24c8a8-d0af-4386-a981-d50f884bb54b/bin/uautomizer-verify-zZY32mL2XJ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 22:37:10,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24c8a8-d0af-4386-a981-d50f884bb54b/bin/uautomizer-verify-zZY32mL2XJ/mathsat -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 [2023-11-23 22:37:10,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:37:10,651 INFO L262 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-23 22:37:10,655 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 22:37:10,692 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 14 treesize of output 10 [2023-11-23 22:37:10,823 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 14 [2023-11-23 22:37:10,838 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 25 [2023-11-23 22:37:10,958 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 22:37:10,959 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 76 treesize of output 34 [2023-11-23 22:37:10,996 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-23 22:37:10,997 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 22:37:10,997 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-23 22:37:10,997 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [480284323] [2023-11-23 22:37:10,997 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [480284323] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:37:10,998 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:37:10,998 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-23 22:37:10,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [309033869] [2023-11-23 22:37:10,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:37:10,999 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 22:37:10,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-23 22:37:11,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 22:37:11,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-23 22:37:11,001 INFO L87 Difference]: Start difference. First operand 71 states and 97 transitions. Second operand has 6 states, 6 states have (on average 6.0) internal successors, (36), 6 states have internal predecessors, (36), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-23 22:37:11,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 22:37:11,517 INFO L93 Difference]: Finished difference Result 182 states and 247 transitions. [2023-11-23 22:37:11,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-23 22:37:11,518 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 6 states have internal predecessors, (36), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 55 [2023-11-23 22:37:11,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 22:37:11,519 INFO L225 Difference]: With dead ends: 182 [2023-11-23 22:37:11,520 INFO L226 Difference]: Without dead ends: 112 [2023-11-23 22:37:11,520 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2023-11-23 22:37:11,521 INFO L413 NwaCegarLoop]: 83 mSDtfsCounter, 203 mSDsluCounter, 181 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 203 SdHoareTripleChecker+Valid, 264 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-23 22:37:11,522 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [203 Valid, 264 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-23 22:37:11,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2023-11-23 22:37:11,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 90. [2023-11-23 22:37:11,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 79 states have (on average 1.3291139240506329) internal successors, (105), 80 states have internal predecessors, (105), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-23 22:37:11,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 121 transitions. [2023-11-23 22:37:11,538 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 121 transitions. Word has length 55 [2023-11-23 22:37:11,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 22:37:11,538 INFO L495 AbstractCegarLoop]: Abstraction has 90 states and 121 transitions. [2023-11-23 22:37:11,539 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 6 states have internal predecessors, (36), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-23 22:37:11,539 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 121 transitions. [2023-11-23 22:37:11,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-23 22:37:11,540 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 22:37:11,541 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:37:11,556 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24c8a8-d0af-4386-a981-d50f884bb54b/bin/uautomizer-verify-zZY32mL2XJ/mathsat -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)] Forceful destruction successful, exit code 0 [2023-11-23 22:37:11,746 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24c8a8-d0af-4386-a981-d50f884bb54b/bin/uautomizer-verify-zZY32mL2XJ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 22:37:11,747 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 22:37:11,747 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:37:11,748 INFO L85 PathProgramCache]: Analyzing trace with hash 757046272, now seen corresponding path program 1 times [2023-11-23 22:37:11,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-23 22:37:11,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [713693286] [2023-11-23 22:37:11,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:37:11,749 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 22:37:11,749 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24c8a8-d0af-4386-a981-d50f884bb54b/bin/uautomizer-verify-zZY32mL2XJ/mathsat [2023-11-23 22:37:11,750 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24c8a8-d0af-4386-a981-d50f884bb54b/bin/uautomizer-verify-zZY32mL2XJ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 22:37:11,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24c8a8-d0af-4386-a981-d50f884bb54b/bin/uautomizer-verify-zZY32mL2XJ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2023-11-23 22:37:12,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:37:12,158 INFO L262 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-23 22:37:12,162 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 22:37:12,229 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 25 treesize of output 10 [2023-11-23 22:37:13,223 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 22:37:13,224 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 198 treesize of output 102 [2023-11-23 22:37:13,955 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 22:37:13,955 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 391 treesize of output 135 [2023-11-23 22:37:14,060 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-23 22:37:14,061 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 22:37:14,432 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-23 22:37:14,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [713693286] [2023-11-23 22:37:14,432 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [713693286] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 22:37:14,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1181449940] [2023-11-23 22:37:14,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:37:14,432 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 22:37:14,432 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24c8a8-d0af-4386-a981-d50f884bb54b/bin/uautomizer-verify-zZY32mL2XJ/cvc4 [2023-11-23 22:37:14,438 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24c8a8-d0af-4386-a981-d50f884bb54b/bin/uautomizer-verify-zZY32mL2XJ/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 22:37:14,476 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24c8a8-d0af-4386-a981-d50f884bb54b/bin/uautomizer-verify-zZY32mL2XJ/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-11-23 22:37:15,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:37:15,582 INFO L262 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-23 22:37:15,594 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 22:37:15,793 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2023-11-23 22:37:17,331 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 22:37:17,332 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 166 treesize of output 100 [2023-11-23 22:37:18,387 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 22:37:18,387 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 190 treesize of output 78 [2023-11-23 22:37:18,419 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-23 22:37:18,419 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 22:37:18,638 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1181449940] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 22:37:18,639 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-23 22:37:18,639 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2023-11-23 22:37:18,639 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1171476384] [2023-11-23 22:37:18,639 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-23 22:37:18,640 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-11-23 22:37:18,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-23 22:37:18,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-11-23 22:37:18,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=250, Unknown=0, NotChecked=0, Total=306 [2023-11-23 22:37:18,641 INFO L87 Difference]: Start difference. First operand 90 states and 121 transitions. Second operand has 16 states, 16 states have (on average 4.3125) internal successors, (69), 15 states have internal predecessors, (69), 4 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2023-11-23 22:37:21,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 22:37:21,213 INFO L93 Difference]: Finished difference Result 248 states and 330 transitions. [2023-11-23 22:37:21,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-23 22:37:21,215 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 4.3125) internal successors, (69), 15 states have internal predecessors, (69), 4 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) Word has length 57 [2023-11-23 22:37:21,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 22:37:21,218 INFO L225 Difference]: With dead ends: 248 [2023-11-23 22:37:21,218 INFO L226 Difference]: Without dead ends: 172 [2023-11-23 22:37:21,219 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 143 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 112 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=141, Invalid=509, Unknown=0, NotChecked=0, Total=650 [2023-11-23 22:37:21,220 INFO L413 NwaCegarLoop]: 78 mSDtfsCounter, 325 mSDsluCounter, 568 mSDsCounter, 0 mSdLazyCounter, 359 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 326 SdHoareTripleChecker+Valid, 646 SdHoareTripleChecker+Invalid, 387 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 359 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2023-11-23 22:37:21,220 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [326 Valid, 646 Invalid, 387 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 359 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2023-11-23 22:37:21,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2023-11-23 22:37:21,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 161. [2023-11-23 22:37:21,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 141 states have (on average 1.3191489361702127) internal successors, (186), 144 states have internal predecessors, (186), 14 states have call successors, (14), 5 states have call predecessors, (14), 5 states have return successors, (14), 11 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-23 22:37:21,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 214 transitions. [2023-11-23 22:37:21,246 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 214 transitions. Word has length 57 [2023-11-23 22:37:21,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 22:37:21,246 INFO L495 AbstractCegarLoop]: Abstraction has 161 states and 214 transitions. [2023-11-23 22:37:21,246 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 4.3125) internal successors, (69), 15 states have internal predecessors, (69), 4 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2023-11-23 22:37:21,247 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 214 transitions. [2023-11-23 22:37:21,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-23 22:37:21,248 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 22:37:21,248 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:37:21,260 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24c8a8-d0af-4386-a981-d50f884bb54b/bin/uautomizer-verify-zZY32mL2XJ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Ended with exit code 0 [2023-11-23 22:37:21,461 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24c8a8-d0af-4386-a981-d50f884bb54b/bin/uautomizer-verify-zZY32mL2XJ/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2023-11-23 22:37:21,654 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24c8a8-d0af-4386-a981-d50f884bb54b/bin/uautomizer-verify-zZY32mL2XJ/mathsat -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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24c8a8-d0af-4386-a981-d50f884bb54b/bin/uautomizer-verify-zZY32mL2XJ/cvc4 --incremental --print-success --lang smt [2023-11-23 22:37:21,654 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 22:37:21,655 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:37:21,655 INFO L85 PathProgramCache]: Analyzing trace with hash -52300354, now seen corresponding path program 1 times [2023-11-23 22:37:21,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-23 22:37:21,655 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1366553516] [2023-11-23 22:37:21,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:37:21,656 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 22:37:21,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24c8a8-d0af-4386-a981-d50f884bb54b/bin/uautomizer-verify-zZY32mL2XJ/mathsat [2023-11-23 22:37:21,657 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24c8a8-d0af-4386-a981-d50f884bb54b/bin/uautomizer-verify-zZY32mL2XJ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 22:37:21,658 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24c8a8-d0af-4386-a981-d50f884bb54b/bin/uautomizer-verify-zZY32mL2XJ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2023-11-23 22:37:21,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:37:21,949 INFO L262 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-23 22:37:21,952 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 22:37:21,961 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 [2023-11-23 22:37:21,976 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 22:37:21,977 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 32 [2023-11-23 22:37:22,092 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 22:37:22,093 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 51 treesize of output 27 [2023-11-23 22:37:22,117 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-23 22:37:22,117 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 22:37:22,117 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-23 22:37:22,117 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1366553516] [2023-11-23 22:37:22,118 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1366553516] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:37:22,118 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:37:22,118 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-23 22:37:22,118 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1343050799] [2023-11-23 22:37:22,118 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:37:22,119 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 22:37:22,119 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-23 22:37:22,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 22:37:22,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-23 22:37:22,120 INFO L87 Difference]: Start difference. First operand 161 states and 214 transitions. Second operand has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 6 states have internal predecessors, (35), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2023-11-23 22:37:22,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 22:37:22,560 INFO L93 Difference]: Finished difference Result 341 states and 448 transitions. [2023-11-23 22:37:22,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 22:37:22,562 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 6 states have internal predecessors, (35), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 57 [2023-11-23 22:37:22,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 22:37:22,565 INFO L225 Difference]: With dead ends: 341 [2023-11-23 22:37:22,566 INFO L226 Difference]: Without dead ends: 195 [2023-11-23 22:37:22,566 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-23 22:37:22,567 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 142 mSDsluCounter, 226 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 326 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-23 22:37:22,569 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 326 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-23 22:37:22,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2023-11-23 22:37:22,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 177. [2023-11-23 22:37:22,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 151 states have (on average 1.2847682119205297) internal successors, (194), 154 states have internal predecessors, (194), 18 states have call successors, (18), 7 states have call predecessors, (18), 7 states have return successors, (18), 15 states have call predecessors, (18), 18 states have call successors, (18) [2023-11-23 22:37:22,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 230 transitions. [2023-11-23 22:37:22,606 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 230 transitions. Word has length 57 [2023-11-23 22:37:22,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 22:37:22,607 INFO L495 AbstractCegarLoop]: Abstraction has 177 states and 230 transitions. [2023-11-23 22:37:22,607 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 6 states have internal predecessors, (35), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2023-11-23 22:37:22,608 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 230 transitions. [2023-11-23 22:37:22,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-23 22:37:22,609 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 22:37:22,609 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:37:22,618 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24c8a8-d0af-4386-a981-d50f884bb54b/bin/uautomizer-verify-zZY32mL2XJ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2023-11-23 22:37:22,816 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24c8a8-d0af-4386-a981-d50f884bb54b/bin/uautomizer-verify-zZY32mL2XJ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 22:37:22,816 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 22:37:22,816 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:37:22,817 INFO L85 PathProgramCache]: Analyzing trace with hash -445327364, now seen corresponding path program 1 times [2023-11-23 22:37:22,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-23 22:37:22,817 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1204981657] [2023-11-23 22:37:22,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:37:22,817 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 22:37:22,818 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24c8a8-d0af-4386-a981-d50f884bb54b/bin/uautomizer-verify-zZY32mL2XJ/mathsat [2023-11-23 22:37:22,819 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24c8a8-d0af-4386-a981-d50f884bb54b/bin/uautomizer-verify-zZY32mL2XJ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 22:37:22,833 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24c8a8-d0af-4386-a981-d50f884bb54b/bin/uautomizer-verify-zZY32mL2XJ/mathsat -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 [2023-11-23 22:37:23,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:37:23,106 INFO L262 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-23 22:37:23,110 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 22:37:23,363 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 14 [2023-11-23 22:37:23,379 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 [2023-11-23 22:37:23,401 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 40 [2023-11-23 22:37:23,576 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 22:37:23,577 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 89 treesize of output 59 [2023-11-23 22:37:23,581 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 75 treesize of output 55 [2023-11-23 22:37:23,622 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-23 22:37:23,622 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 22:37:23,622 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-23 22:37:23,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1204981657] [2023-11-23 22:37:23,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1204981657] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:37:23,622 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:37:23,622 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-23 22:37:23,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2122660505] [2023-11-23 22:37:23,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:37:23,623 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-23 22:37:23,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-23 22:37:23,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-23 22:37:23,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2023-11-23 22:37:23,624 INFO L87 Difference]: Start difference. First operand 177 states and 230 transitions. Second operand has 9 states, 9 states have (on average 3.888888888888889) internal successors, (35), 8 states have internal predecessors, (35), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2023-11-23 22:37:24,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 22:37:24,810 INFO L93 Difference]: Finished difference Result 689 states and 896 transitions. [2023-11-23 22:37:24,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-23 22:37:24,811 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.888888888888889) internal successors, (35), 8 states have internal predecessors, (35), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 57 [2023-11-23 22:37:24,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 22:37:24,816 INFO L225 Difference]: With dead ends: 689 [2023-11-23 22:37:24,816 INFO L226 Difference]: Without dead ends: 543 [2023-11-23 22:37:24,817 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 48 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=113, Invalid=229, Unknown=0, NotChecked=0, Total=342 [2023-11-23 22:37:24,822 INFO L413 NwaCegarLoop]: 125 mSDtfsCounter, 386 mSDsluCounter, 669 mSDsCounter, 0 mSdLazyCounter, 293 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 386 SdHoareTripleChecker+Valid, 794 SdHoareTripleChecker+Invalid, 325 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 293 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-23 22:37:24,823 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [386 Valid, 794 Invalid, 325 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 293 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-23 22:37:24,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 543 states. [2023-11-23 22:37:24,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 543 to 469. [2023-11-23 22:37:24,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 469 states, 413 states have (on average 1.2832929782082325) internal successors, (530), 418 states have internal predecessors, (530), 38 states have call successors, (38), 17 states have call predecessors, (38), 17 states have return successors, (38), 33 states have call predecessors, (38), 38 states have call successors, (38) [2023-11-23 22:37:24,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 469 states and 606 transitions. [2023-11-23 22:37:24,919 INFO L78 Accepts]: Start accepts. Automaton has 469 states and 606 transitions. Word has length 57 [2023-11-23 22:37:24,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 22:37:24,919 INFO L495 AbstractCegarLoop]: Abstraction has 469 states and 606 transitions. [2023-11-23 22:37:24,920 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.888888888888889) internal successors, (35), 8 states have internal predecessors, (35), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2023-11-23 22:37:24,920 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 606 transitions. [2023-11-23 22:37:24,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-23 22:37:24,922 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 22:37:24,922 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:37:24,933 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24c8a8-d0af-4386-a981-d50f884bb54b/bin/uautomizer-verify-zZY32mL2XJ/mathsat -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 [2023-11-23 22:37:25,128 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24c8a8-d0af-4386-a981-d50f884bb54b/bin/uautomizer-verify-zZY32mL2XJ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 22:37:25,128 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 22:37:25,129 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:37:25,129 INFO L85 PathProgramCache]: Analyzing trace with hash -1262975814, now seen corresponding path program 1 times [2023-11-23 22:37:25,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-23 22:37:25,129 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1868225071] [2023-11-23 22:37:25,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:37:25,129 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 22:37:25,129 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24c8a8-d0af-4386-a981-d50f884bb54b/bin/uautomizer-verify-zZY32mL2XJ/mathsat [2023-11-23 22:37:25,130 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24c8a8-d0af-4386-a981-d50f884bb54b/bin/uautomizer-verify-zZY32mL2XJ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 22:37:25,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24c8a8-d0af-4386-a981-d50f884bb54b/bin/uautomizer-verify-zZY32mL2XJ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2023-11-23 22:37:25,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:37:25,427 INFO L262 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-23 22:37:25,431 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 22:37:25,628 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 1 [2023-11-23 22:37:25,723 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 14 [2023-11-23 22:37:25,764 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 [2023-11-23 22:37:25,958 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 30 [2023-11-23 22:37:25,989 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 41 [2023-11-23 22:37:26,237 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 22:37:26,238 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 54 treesize of output 30 [2023-11-23 22:37:26,246 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 41 treesize of output 29 [2023-11-23 22:37:26,266 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 26 [2023-11-23 22:37:26,321 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-23 22:37:26,321 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 22:37:26,322 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-23 22:37:26,322 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1868225071] [2023-11-23 22:37:26,322 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1868225071] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:37:26,322 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:37:26,322 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-23 22:37:26,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1815223820] [2023-11-23 22:37:26,323 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:37:26,323 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-23 22:37:26,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-23 22:37:26,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-23 22:37:26,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-11-23 22:37:26,324 INFO L87 Difference]: Start difference. First operand 469 states and 606 transitions. Second operand has 8 states, 8 states have (on average 4.375) internal successors, (35), 7 states have internal predecessors, (35), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2023-11-23 22:37:28,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 22:37:28,152 INFO L93 Difference]: Finished difference Result 1035 states and 1333 transitions. [2023-11-23 22:37:28,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-23 22:37:28,153 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.375) internal successors, (35), 7 states have internal predecessors, (35), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 57 [2023-11-23 22:37:28,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 22:37:28,158 INFO L225 Difference]: With dead ends: 1035 [2023-11-23 22:37:28,159 INFO L226 Difference]: Without dead ends: 597 [2023-11-23 22:37:28,160 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 49 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2023-11-23 22:37:28,161 INFO L413 NwaCegarLoop]: 117 mSDtfsCounter, 141 mSDsluCounter, 435 mSDsCounter, 0 mSdLazyCounter, 265 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 552 SdHoareTripleChecker+Invalid, 277 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 265 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-11-23 22:37:28,161 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 552 Invalid, 277 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 265 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-11-23 22:37:28,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 597 states. [2023-11-23 22:37:28,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 597 to 361. [2023-11-23 22:37:28,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 361 states, 320 states have (on average 1.303125) internal successors, (417), 324 states have internal predecessors, (417), 28 states have call successors, (28), 12 states have call predecessors, (28), 12 states have return successors, (28), 24 states have call predecessors, (28), 28 states have call successors, (28) [2023-11-23 22:37:28,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 361 states and 473 transitions. [2023-11-23 22:37:28,213 INFO L78 Accepts]: Start accepts. Automaton has 361 states and 473 transitions. Word has length 57 [2023-11-23 22:37:28,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 22:37:28,214 INFO L495 AbstractCegarLoop]: Abstraction has 361 states and 473 transitions. [2023-11-23 22:37:28,214 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.375) internal successors, (35), 7 states have internal predecessors, (35), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2023-11-23 22:37:28,214 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 473 transitions. [2023-11-23 22:37:28,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-23 22:37:28,216 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 22:37:28,216 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:37:28,225 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24c8a8-d0af-4386-a981-d50f884bb54b/bin/uautomizer-verify-zZY32mL2XJ/mathsat -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)] Forceful destruction successful, exit code 0 [2023-11-23 22:37:28,422 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24c8a8-d0af-4386-a981-d50f884bb54b/bin/uautomizer-verify-zZY32mL2XJ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 22:37:28,422 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 22:37:28,422 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:37:28,422 INFO L85 PathProgramCache]: Analyzing trace with hash -1685530232, now seen corresponding path program 1 times [2023-11-23 22:37:28,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-23 22:37:28,423 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [326486031] [2023-11-23 22:37:28,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:37:28,423 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 22:37:28,423 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24c8a8-d0af-4386-a981-d50f884bb54b/bin/uautomizer-verify-zZY32mL2XJ/mathsat [2023-11-23 22:37:28,424 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24c8a8-d0af-4386-a981-d50f884bb54b/bin/uautomizer-verify-zZY32mL2XJ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 22:37:28,437 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24c8a8-d0af-4386-a981-d50f884bb54b/bin/uautomizer-verify-zZY32mL2XJ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2023-11-23 22:37:28,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:37:28,698 INFO L262 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-23 22:37:28,700 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 22:37:28,950 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 22:37:28,951 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 175 treesize of output 67 [2023-11-23 22:37:29,018 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 24 proven. 8 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-23 22:37:29,019 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 22:37:29,312 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 22:37:29,314 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 113 treesize of output 1 [2023-11-23 22:37:29,319 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-11-23 22:37:29,320 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-23 22:37:29,320 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [326486031] [2023-11-23 22:37:29,320 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [326486031] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 22:37:29,320 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-23 22:37:29,320 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 12 [2023-11-23 22:37:29,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [961813770] [2023-11-23 22:37:29,321 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-23 22:37:29,321 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-23 22:37:29,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-23 22:37:29,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-23 22:37:29,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2023-11-23 22:37:29,322 INFO L87 Difference]: Start difference. First operand 361 states and 473 transitions. Second operand has 12 states, 11 states have (on average 5.090909090909091) internal successors, (56), 12 states have internal predecessors, (56), 4 states have call successors, (9), 3 states have call predecessors, (9), 4 states have return successors, (9), 3 states have call predecessors, (9), 4 states have call successors, (9) [2023-11-23 22:37:30,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 22:37:30,387 INFO L93 Difference]: Finished difference Result 746 states and 968 transitions. [2023-11-23 22:37:30,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-23 22:37:30,388 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 5.090909090909091) internal successors, (56), 12 states have internal predecessors, (56), 4 states have call successors, (9), 3 states have call predecessors, (9), 4 states have return successors, (9), 3 states have call predecessors, (9), 4 states have call successors, (9) Word has length 59 [2023-11-23 22:37:30,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 22:37:30,391 INFO L225 Difference]: With dead ends: 746 [2023-11-23 22:37:30,392 INFO L226 Difference]: Without dead ends: 375 [2023-11-23 22:37:30,393 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=109, Invalid=353, Unknown=0, NotChecked=0, Total=462 [2023-11-23 22:37:30,394 INFO L413 NwaCegarLoop]: 72 mSDtfsCounter, 95 mSDsluCounter, 431 mSDsCounter, 0 mSdLazyCounter, 202 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 503 SdHoareTripleChecker+Invalid, 211 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-23 22:37:30,394 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 503 Invalid, 211 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 202 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-23 22:37:30,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 375 states. [2023-11-23 22:37:30,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 375 to 355. [2023-11-23 22:37:30,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 355 states, 314 states have (on average 1.2898089171974523) internal successors, (405), 318 states have internal predecessors, (405), 28 states have call successors, (28), 12 states have call predecessors, (28), 12 states have return successors, (28), 24 states have call predecessors, (28), 28 states have call successors, (28) [2023-11-23 22:37:30,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 355 states and 461 transitions. [2023-11-23 22:37:30,441 INFO L78 Accepts]: Start accepts. Automaton has 355 states and 461 transitions. Word has length 59 [2023-11-23 22:37:30,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 22:37:30,442 INFO L495 AbstractCegarLoop]: Abstraction has 355 states and 461 transitions. [2023-11-23 22:37:30,442 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.090909090909091) internal successors, (56), 12 states have internal predecessors, (56), 4 states have call successors, (9), 3 states have call predecessors, (9), 4 states have return successors, (9), 3 states have call predecessors, (9), 4 states have call successors, (9) [2023-11-23 22:37:30,442 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 461 transitions. [2023-11-23 22:37:30,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-23 22:37:30,443 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 22:37:30,444 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:37:30,450 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24c8a8-d0af-4386-a981-d50f884bb54b/bin/uautomizer-verify-zZY32mL2XJ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2023-11-23 22:37:30,650 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24c8a8-d0af-4386-a981-d50f884bb54b/bin/uautomizer-verify-zZY32mL2XJ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 22:37:30,650 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 22:37:30,650 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:37:30,651 INFO L85 PathProgramCache]: Analyzing trace with hash -1770829936, now seen corresponding path program 1 times [2023-11-23 22:37:30,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-23 22:37:30,651 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1173585346] [2023-11-23 22:37:30,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:37:30,651 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 22:37:30,651 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24c8a8-d0af-4386-a981-d50f884bb54b/bin/uautomizer-verify-zZY32mL2XJ/mathsat [2023-11-23 22:37:30,653 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24c8a8-d0af-4386-a981-d50f884bb54b/bin/uautomizer-verify-zZY32mL2XJ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 22:37:30,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24c8a8-d0af-4386-a981-d50f884bb54b/bin/uautomizer-verify-zZY32mL2XJ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2023-11-23 22:37:30,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:37:30,908 INFO L262 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-23 22:37:30,912 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 22:37:31,144 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 14 [2023-11-23 22:37:31,158 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 [2023-11-23 22:37:31,182 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 40 [2023-11-23 22:37:31,704 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-23 22:37:31,705 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 22:37:31,705 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-23 22:37:31,705 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1173585346] [2023-11-23 22:37:31,705 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1173585346] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:37:31,705 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:37:31,705 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-23 22:37:31,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [446774935] [2023-11-23 22:37:31,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:37:31,706 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-23 22:37:31,706 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-23 22:37:31,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-23 22:37:31,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2023-11-23 22:37:31,707 INFO L87 Difference]: Start difference. First operand 355 states and 461 transitions. Second operand has 11 states, 11 states have (on average 3.3636363636363638) internal successors, (37), 10 states have internal predecessors, (37), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2023-11-23 22:37:32,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 22:37:32,874 INFO L93 Difference]: Finished difference Result 533 states and 685 transitions. [2023-11-23 22:37:32,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-23 22:37:32,875 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.3636363636363638) internal successors, (37), 10 states have internal predecessors, (37), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 59 [2023-11-23 22:37:32,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 22:37:32,879 INFO L225 Difference]: With dead ends: 533 [2023-11-23 22:37:32,879 INFO L226 Difference]: Without dead ends: 531 [2023-11-23 22:37:32,880 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 48 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=115, Invalid=265, Unknown=0, NotChecked=0, Total=380 [2023-11-23 22:37:32,880 INFO L413 NwaCegarLoop]: 86 mSDtfsCounter, 342 mSDsluCounter, 509 mSDsCounter, 0 mSdLazyCounter, 279 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 342 SdHoareTripleChecker+Valid, 595 SdHoareTripleChecker+Invalid, 319 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 279 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-23 22:37:32,881 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [342 Valid, 595 Invalid, 319 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 279 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-23 22:37:32,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 531 states. [2023-11-23 22:37:32,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 531 to 359. [2023-11-23 22:37:32,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 359 states, 318 states have (on average 1.2861635220125787) internal successors, (409), 322 states have internal predecessors, (409), 28 states have call successors, (28), 12 states have call predecessors, (28), 12 states have return successors, (28), 24 states have call predecessors, (28), 28 states have call successors, (28) [2023-11-23 22:37:32,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 359 states and 465 transitions. [2023-11-23 22:37:32,924 INFO L78 Accepts]: Start accepts. Automaton has 359 states and 465 transitions. Word has length 59 [2023-11-23 22:37:32,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 22:37:32,925 INFO L495 AbstractCegarLoop]: Abstraction has 359 states and 465 transitions. [2023-11-23 22:37:32,925 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.3636363636363638) internal successors, (37), 10 states have internal predecessors, (37), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2023-11-23 22:37:32,925 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 465 transitions. [2023-11-23 22:37:32,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-23 22:37:32,927 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 22:37:32,927 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:37:32,940 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24c8a8-d0af-4386-a981-d50f884bb54b/bin/uautomizer-verify-zZY32mL2XJ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Ended with exit code 0 [2023-11-23 22:37:33,132 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24c8a8-d0af-4386-a981-d50f884bb54b/bin/uautomizer-verify-zZY32mL2XJ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 22:37:33,133 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 22:37:33,133 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:37:33,133 INFO L85 PathProgramCache]: Analyzing trace with hash -1770770354, now seen corresponding path program 1 times [2023-11-23 22:37:33,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-23 22:37:33,133 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [215882098] [2023-11-23 22:37:33,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:37:33,134 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 22:37:33,134 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24c8a8-d0af-4386-a981-d50f884bb54b/bin/uautomizer-verify-zZY32mL2XJ/mathsat [2023-11-23 22:37:33,136 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24c8a8-d0af-4386-a981-d50f884bb54b/bin/uautomizer-verify-zZY32mL2XJ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 22:37:33,137 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24c8a8-d0af-4386-a981-d50f884bb54b/bin/uautomizer-verify-zZY32mL2XJ/mathsat -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 [2023-11-23 22:37:33,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:37:33,365 INFO L262 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-23 22:37:33,369 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 22:37:33,646 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2023-11-23 22:37:33,677 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 [2023-11-23 22:37:33,704 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 44 [2023-11-23 22:37:33,890 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 97 treesize of output 81 [2023-11-23 22:37:34,189 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-23 22:37:34,190 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 22:37:34,190 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-23 22:37:34,190 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [215882098] [2023-11-23 22:37:34,190 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [215882098] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:37:34,190 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:37:34,190 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-23 22:37:34,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1408939295] [2023-11-23 22:37:34,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:37:34,191 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-23 22:37:34,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-23 22:37:34,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-23 22:37:34,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2023-11-23 22:37:34,192 INFO L87 Difference]: Start difference. First operand 359 states and 465 transitions. Second operand has 13 states, 13 states have (on average 2.8461538461538463) internal successors, (37), 12 states have internal predecessors, (37), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2023-11-23 22:37:35,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 22:37:35,725 INFO L93 Difference]: Finished difference Result 873 states and 1125 transitions. [2023-11-23 22:37:35,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-23 22:37:35,733 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 2.8461538461538463) internal successors, (37), 12 states have internal predecessors, (37), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 59 [2023-11-23 22:37:35,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 22:37:35,737 INFO L225 Difference]: With dead ends: 873 [2023-11-23 22:37:35,737 INFO L226 Difference]: Without dead ends: 543 [2023-11-23 22:37:35,738 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 46 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=165, Invalid=387, Unknown=0, NotChecked=0, Total=552 [2023-11-23 22:37:35,739 INFO L413 NwaCegarLoop]: 86 mSDtfsCounter, 402 mSDsluCounter, 653 mSDsCounter, 0 mSdLazyCounter, 404 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 402 SdHoareTripleChecker+Valid, 739 SdHoareTripleChecker+Invalid, 432 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 404 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-11-23 22:37:35,740 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [402 Valid, 739 Invalid, 432 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 404 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-11-23 22:37:35,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 543 states. [2023-11-23 22:37:35,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 543 to 365. [2023-11-23 22:37:35,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 365 states, 324 states have (on average 1.2808641975308641) internal successors, (415), 328 states have internal predecessors, (415), 28 states have call successors, (28), 12 states have call predecessors, (28), 12 states have return successors, (28), 24 states have call predecessors, (28), 28 states have call successors, (28) [2023-11-23 22:37:35,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 365 states and 471 transitions. [2023-11-23 22:37:35,782 INFO L78 Accepts]: Start accepts. Automaton has 365 states and 471 transitions. Word has length 59 [2023-11-23 22:37:35,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 22:37:35,783 INFO L495 AbstractCegarLoop]: Abstraction has 365 states and 471 transitions. [2023-11-23 22:37:35,783 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 2.8461538461538463) internal successors, (37), 12 states have internal predecessors, (37), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2023-11-23 22:37:35,783 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 471 transitions. [2023-11-23 22:37:35,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-23 22:37:35,785 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 22:37:35,785 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:37:35,792 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24c8a8-d0af-4386-a981-d50f884bb54b/bin/uautomizer-verify-zZY32mL2XJ/mathsat -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)] Forceful destruction successful, exit code 0 [2023-11-23 22:37:35,992 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24c8a8-d0af-4386-a981-d50f884bb54b/bin/uautomizer-verify-zZY32mL2XJ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 22:37:35,992 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 22:37:35,992 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:37:35,992 INFO L85 PathProgramCache]: Analyzing trace with hash -958649553, now seen corresponding path program 1 times [2023-11-23 22:37:35,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-23 22:37:35,993 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [951398560] [2023-11-23 22:37:35,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:37:35,993 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 22:37:35,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24c8a8-d0af-4386-a981-d50f884bb54b/bin/uautomizer-verify-zZY32mL2XJ/mathsat [2023-11-23 22:37:35,995 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24c8a8-d0af-4386-a981-d50f884bb54b/bin/uautomizer-verify-zZY32mL2XJ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 22:37:35,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24c8a8-d0af-4386-a981-d50f884bb54b/bin/uautomizer-verify-zZY32mL2XJ/mathsat -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 [2023-11-23 22:37:36,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:37:36,220 INFO L262 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 22:37:36,222 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 22:37:36,259 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 18 treesize of output 10 [2023-11-23 22:37:36,283 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-23 22:37:36,284 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 22:37:36,284 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-23 22:37:36,285 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [951398560] [2023-11-23 22:37:36,285 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [951398560] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:37:36,285 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:37:36,285 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-23 22:37:36,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [429694151] [2023-11-23 22:37:36,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:37:36,287 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 22:37:36,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-23 22:37:36,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 22:37:36,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-23 22:37:36,289 INFO L87 Difference]: Start difference. First operand 365 states and 471 transitions. Second operand has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5)