/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-igbvf-igbvf.cil.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-22 17:13:33,014 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-22 17:13:33,019 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-22 17:13:33,078 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-22 17:13:33,079 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-22 17:13:33,084 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-22 17:13:33,089 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-22 17:13:33,098 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-22 17:13:33,102 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-22 17:13:33,109 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-22 17:13:33,111 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-22 17:13:33,113 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-22 17:13:33,113 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-22 17:13:33,117 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-22 17:13:33,119 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-22 17:13:33,145 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-22 17:13:33,147 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-22 17:13:33,150 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-22 17:13:33,158 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-22 17:13:33,166 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-22 17:13:33,168 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-22 17:13:33,171 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-22 17:13:33,173 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-22 17:13:33,176 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-22 17:13:33,186 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-22 17:13:33,187 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-22 17:13:33,187 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-22 17:13:33,190 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-22 17:13:33,191 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-22 17:13:33,192 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-22 17:13:33,193 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-22 17:13:33,194 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-22 17:13:33,196 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-22 17:13:33,198 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-22 17:13:33,199 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-22 17:13:33,200 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-22 17:13:33,201 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-22 17:13:33,201 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-22 17:13:33,201 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-22 17:13:33,202 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-22 17:13:33,203 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-22 17:13:33,205 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-22 17:13:33,261 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-22 17:13:33,262 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-22 17:13:33,267 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-22 17:13:33,268 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-22 17:13:33,268 INFO L138 SettingsManager]: * Use SBE=true [2020-12-22 17:13:33,269 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-22 17:13:33,269 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-22 17:13:33,269 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-22 17:13:33,270 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-22 17:13:33,270 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-22 17:13:33,272 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-22 17:13:33,273 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-22 17:13:33,273 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-22 17:13:33,273 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-22 17:13:33,274 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-22 17:13:33,274 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-22 17:13:33,274 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-22 17:13:33,275 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 17:13:33,275 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-22 17:13:33,275 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-22 17:13:33,276 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-22 17:13:33,276 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-22 17:13:33,277 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-22 17:13:33,277 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-22 17:13:33,277 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-22 17:13:33,277 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-22 17:13:33,751 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-22 17:13:33,792 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-22 17:13:33,796 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-22 17:13:33,798 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-22 17:13:33,799 INFO L275 PluginConnector]: CDTParser initialized [2020-12-22 17:13:33,800 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-igbvf-igbvf.cil.i [2020-12-22 17:13:33,899 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c7e01cc1d/8603c6a77e1844d6ad08dc73060a2f26/FLAG9ea3188ad [2020-12-22 17:13:35,244 INFO L306 CDTParser]: Found 1 translation units. [2020-12-22 17:13:35,244 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-igbvf-igbvf.cil.i [2020-12-22 17:13:35,359 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c7e01cc1d/8603c6a77e1844d6ad08dc73060a2f26/FLAG9ea3188ad [2020-12-22 17:13:35,848 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c7e01cc1d/8603c6a77e1844d6ad08dc73060a2f26 [2020-12-22 17:13:35,852 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-22 17:13:35,856 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-22 17:13:35,860 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-22 17:13:35,860 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-22 17:13:35,865 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-22 17:13:35,866 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 05:13:35" (1/1) ... [2020-12-22 17:13:35,868 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3eb869b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 05:13:35, skipping insertion in model container [2020-12-22 17:13:35,868 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 05:13:35" (1/1) ... [2020-12-22 17:13:35,877 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-22 17:13:36,187 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-22 17:13:41,236 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-igbvf-igbvf.cil.i[485804,485817] [2020-12-22 17:13:41,242 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-igbvf-igbvf.cil.i[485973,485986] [2020-12-22 17:13:41,243 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-igbvf-igbvf.cil.i[486140,486153] [2020-12-22 17:13:41,243 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-igbvf-igbvf.cil.i[486308,486321] [2020-12-22 17:13:41,271 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 17:13:41,404 INFO L203 MainTranslator]: Completed pre-run [2020-12-22 17:13:41,973 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-igbvf-igbvf.cil.i[485804,485817] [2020-12-22 17:13:41,974 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-igbvf-igbvf.cil.i[485973,485986] [2020-12-22 17:13:41,974 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-igbvf-igbvf.cil.i[486140,486153] [2020-12-22 17:13:41,975 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-igbvf-igbvf.cil.i[486308,486321] [2020-12-22 17:13:41,989 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 17:13:43,409 INFO L208 MainTranslator]: Completed translation [2020-12-22 17:13:43,410 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 05:13:43 WrapperNode [2020-12-22 17:13:43,410 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-22 17:13:43,411 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-22 17:13:43,411 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-22 17:13:43,411 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-22 17:13:43,420 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 05:13:43" (1/1) ... [2020-12-22 17:13:43,642 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 05:13:43" (1/1) ... [2020-12-22 17:13:45,476 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-22 17:13:45,478 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-22 17:13:45,478 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-22 17:13:45,479 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-22 17:13:45,491 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 05:13:43" (1/1) ... [2020-12-22 17:13:45,491 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 05:13:43" (1/1) ... [2020-12-22 17:13:45,961 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 05:13:43" (1/1) ... [2020-12-22 17:13:45,962 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 05:13:43" (1/1) ... [2020-12-22 17:13:47,471 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 05:13:43" (1/1) ... [2020-12-22 17:13:47,930 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 05:13:43" (1/1) ... [2020-12-22 17:13:48,229 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 05:13:43" (1/1) ... [2020-12-22 17:13:48,726 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-22 17:13:48,729 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-22 17:13:48,729 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-22 17:13:48,729 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-22 17:13:48,730 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 05:13:43" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 17:13:48,926 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_reset_hw_vf [2020-12-22 17:13:48,927 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_reset_hw_vf [2020-12-22 17:13:48,927 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-22 17:13:48,928 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-12-22 17:13:48,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-12-22 17:13:48,931 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-22 17:13:48,931 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-12-22 17:13:48,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-12-22 17:13:48,931 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_write_posted_mbx [2020-12-22 17:13:48,931 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_write_posted_mbx [2020-12-22 17:13:48,932 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_init_hw_vf [2020-12-22 17:13:48,932 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_init_hw_vf [2020-12-22 17:13:48,932 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-22 17:13:48,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-22 17:13:48,932 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_poll_for_ack [2020-12-22 17:13:48,932 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_poll_for_ack [2020-12-22 17:13:48,932 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-12-22 17:13:48,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-12-22 17:13:48,933 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_rar_set_vf [2020-12-22 17:13:48,933 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_rar_set_vf [2020-12-22 17:13:48,933 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_for_link_vf [2020-12-22 17:13:48,933 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_for_link_vf [2020-12-22 17:13:48,933 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-22 17:13:48,933 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-12-22 17:13:48,933 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~~s32~0 [2020-12-22 17:13:48,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~~s32~0 [2020-12-22 17:13:48,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-12-22 17:13:48,934 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~u16~0~TO~~s32~0 [2020-12-22 17:13:48,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~u16~0~TO~~s32~0 [2020-12-22 17:13:48,934 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_poll_for_msg [2020-12-22 17:13:48,934 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_poll_for_msg [2020-12-22 17:13:48,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-22 17:13:48,934 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_read_posted_mbx [2020-12-22 17:13:48,935 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_read_posted_mbx [2020-12-22 17:13:48,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-22 17:13:48,935 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2020-12-22 17:14:40,331 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#2: ldv_switch_1_#res := 0; [2020-12-22 17:14:40,332 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#3: ldv_switch_1_#res := 0; [2020-12-22 17:14:40,332 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break: ldv_switch_1_#res := 0; [2020-12-22 17:14:40,333 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#2: ldv_switch_0_#res := 0; [2020-12-22 17:14:40,337 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2020-12-22 17:14:40,338 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break: ldv_switch_0_#res := 0; [2020-12-22 17:14:40,415 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-22 17:14:40,415 INFO L299 CfgBuilder]: Removed 9691 assume(true) statements. [2020-12-22 17:14:40,425 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 05:14:40 BoogieIcfgContainer [2020-12-22 17:14:40,426 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-22 17:14:40,427 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-22 17:14:40,428 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-22 17:14:40,431 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-22 17:14:40,431 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 05:13:35" (1/3) ... [2020-12-22 17:14:40,432 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c47ea77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 05:14:40, skipping insertion in model container [2020-12-22 17:14:40,432 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 05:13:43" (2/3) ... [2020-12-22 17:14:40,433 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c47ea77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 05:14:40, skipping insertion in model container [2020-12-22 17:14:40,433 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 05:14:40" (3/3) ... [2020-12-22 17:14:40,435 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-igbvf-igbvf.cil.i [2020-12-22 17:14:40,441 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-22 17:14:40,452 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 42 error locations. [2020-12-22 17:14:40,474 INFO L253 AbstractCegarLoop]: Starting to check reachability of 42 error locations. [2020-12-22 17:14:40,530 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 17:14:40,530 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-22 17:14:40,530 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 17:14:40,530 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 17:14:40,530 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 17:14:40,530 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 17:14:40,531 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 17:14:40,531 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 17:14:40,665 INFO L276 IsEmpty]: Start isEmpty. Operand 9382 states. [2020-12-22 17:14:40,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-12-22 17:14:40,680 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 17:14:40,681 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 17:14:40,681 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 17:14:40,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 17:14:40,688 INFO L82 PathProgramCache]: Analyzing trace with hash -623206203, now seen corresponding path program 1 times [2020-12-22 17:14:40,698 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 17:14:40,699 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [834007729] [2020-12-22 17:14:40,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 17:14:41,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 17:14:41,741 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 17:14:41,742 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [834007729] [2020-12-22 17:14:41,743 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 17:14:41,743 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 17:14:41,744 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121112789] [2020-12-22 17:14:41,751 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 17:14:41,752 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 17:14:41,770 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 17:14:41,772 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 17:14:41,774 INFO L87 Difference]: Start difference. First operand 9382 states. Second operand 3 states. [2020-12-22 17:14:44,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 17:14:44,613 INFO L93 Difference]: Finished difference Result 27424 states and 36462 transitions. [2020-12-22 17:14:44,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 17:14:44,616 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 90 [2020-12-22 17:14:44,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 17:14:44,754 INFO L225 Difference]: With dead ends: 27424 [2020-12-22 17:14:44,755 INFO L226 Difference]: Without dead ends: 17758 [2020-12-22 17:14:44,798 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 17:14:44,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17758 states. [2020-12-22 17:14:45,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17758 to 17758. [2020-12-22 17:14:45,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17758 states. [2020-12-22 17:14:45,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17758 states to 17758 states and 22894 transitions. [2020-12-22 17:14:45,830 INFO L78 Accepts]: Start accepts. Automaton has 17758 states and 22894 transitions. Word has length 90 [2020-12-22 17:14:45,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 17:14:45,835 INFO L481 AbstractCegarLoop]: Abstraction has 17758 states and 22894 transitions. [2020-12-22 17:14:45,835 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 17:14:45,835 INFO L276 IsEmpty]: Start isEmpty. Operand 17758 states and 22894 transitions. [2020-12-22 17:14:45,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2020-12-22 17:14:45,860 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 17:14:45,861 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 17:14:45,861 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-22 17:14:45,861 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 17:14:45,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 17:14:45,869 INFO L82 PathProgramCache]: Analyzing trace with hash -968367872, now seen corresponding path program 1 times [2020-12-22 17:14:45,869 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 17:14:45,870 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [735801738] [2020-12-22 17:14:45,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 17:14:46,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 17:14:46,545 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 17:14:46,545 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [735801738] [2020-12-22 17:14:46,546 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 17:14:46,550 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 17:14:46,550 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [366617902] [2020-12-22 17:14:46,552 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 17:14:46,552 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 17:14:46,555 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 17:14:46,556 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 17:14:46,556 INFO L87 Difference]: Start difference. First operand 17758 states and 22894 transitions. Second operand 3 states. [2020-12-22 17:14:48,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 17:14:48,728 INFO L93 Difference]: Finished difference Result 35318 states and 45570 transitions. [2020-12-22 17:14:48,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 17:14:48,731 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 119 [2020-12-22 17:14:48,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 17:14:48,876 INFO L225 Difference]: With dead ends: 35318 [2020-12-22 17:14:48,877 INFO L226 Difference]: Without dead ends: 26428 [2020-12-22 17:14:48,909 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 17:14:48,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26428 states. [2020-12-22 17:14:49,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26428 to 26428. [2020-12-22 17:14:49,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26428 states. [2020-12-22 17:14:49,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26428 states to 26428 states and 34116 transitions. [2020-12-22 17:14:49,758 INFO L78 Accepts]: Start accepts. Automaton has 26428 states and 34116 transitions. Word has length 119 [2020-12-22 17:14:49,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 17:14:49,762 INFO L481 AbstractCegarLoop]: Abstraction has 26428 states and 34116 transitions. [2020-12-22 17:14:49,763 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 17:14:49,763 INFO L276 IsEmpty]: Start isEmpty. Operand 26428 states and 34116 transitions. [2020-12-22 17:14:49,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2020-12-22 17:14:49,779 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 17:14:49,780 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 17:14:49,780 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-22 17:14:49,780 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 17:14:49,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 17:14:49,782 INFO L82 PathProgramCache]: Analyzing trace with hash 2046735746, now seen corresponding path program 1 times [2020-12-22 17:14:49,783 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 17:14:49,783 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86000702] [2020-12-22 17:14:49,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 17:14:50,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 17:14:50,260 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 17:14:50,260 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [86000702] [2020-12-22 17:14:50,260 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 17:14:50,261 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 17:14:50,261 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [575048050] [2020-12-22 17:14:50,263 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 17:14:50,263 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 17:14:50,264 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 17:14:50,264 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 17:14:50,265 INFO L87 Difference]: Start difference. First operand 26428 states and 34116 transitions. Second operand 3 states. [2020-12-22 17:14:52,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 17:14:52,696 INFO L93 Difference]: Finished difference Result 52659 states and 68016 transitions. [2020-12-22 17:14:52,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 17:14:52,697 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 119 [2020-12-22 17:14:52,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 17:14:52,814 INFO L225 Difference]: With dead ends: 52659 [2020-12-22 17:14:52,814 INFO L226 Difference]: Without dead ends: 35099 [2020-12-22 17:14:52,863 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 17:14:52,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35099 states. [2020-12-22 17:14:53,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35099 to 35099. [2020-12-22 17:14:53,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35099 states. [2020-12-22 17:14:53,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35099 states to 35099 states and 45339 transitions. [2020-12-22 17:14:53,962 INFO L78 Accepts]: Start accepts. Automaton has 35099 states and 45339 transitions. Word has length 119 [2020-12-22 17:14:53,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 17:14:53,964 INFO L481 AbstractCegarLoop]: Abstraction has 35099 states and 45339 transitions. [2020-12-22 17:14:53,964 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 17:14:53,964 INFO L276 IsEmpty]: Start isEmpty. Operand 35099 states and 45339 transitions. [2020-12-22 17:14:53,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-12-22 17:14:53,971 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 17:14:53,971 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 17:14:53,971 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-22 17:14:53,972 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 17:14:53,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 17:14:53,975 INFO L82 PathProgramCache]: Analyzing trace with hash 764247360, now seen corresponding path program 1 times [2020-12-22 17:14:53,976 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 17:14:53,976 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1372996009] [2020-12-22 17:14:53,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 17:14:54,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 17:14:54,675 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-22 17:14:54,676 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1372996009] [2020-12-22 17:14:54,676 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 17:14:54,676 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 17:14:54,676 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [386250340] [2020-12-22 17:14:54,677 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 17:14:54,678 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 17:14:54,679 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 17:14:54,679 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 17:14:54,679 INFO L87 Difference]: Start difference. First operand 35099 states and 45339 transitions. Second operand 4 states. [2020-12-22 17:14:55,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 17:14:55,711 INFO L93 Difference]: Finished difference Result 35099 states and 45339 transitions. [2020-12-22 17:14:55,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 17:14:55,712 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 120 [2020-12-22 17:14:55,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 17:14:55,824 INFO L225 Difference]: With dead ends: 35099 [2020-12-22 17:14:55,824 INFO L226 Difference]: Without dead ends: 35093 [2020-12-22 17:14:55,838 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-22 17:14:55,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35093 states. [2020-12-22 17:14:57,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35093 to 35093. [2020-12-22 17:14:57,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35093 states. [2020-12-22 17:14:57,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35093 states to 35093 states and 45333 transitions. [2020-12-22 17:14:57,152 INFO L78 Accepts]: Start accepts. Automaton has 35093 states and 45333 transitions. Word has length 120 [2020-12-22 17:14:57,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 17:14:57,153 INFO L481 AbstractCegarLoop]: Abstraction has 35093 states and 45333 transitions. [2020-12-22 17:14:57,153 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 17:14:57,153 INFO L276 IsEmpty]: Start isEmpty. Operand 35093 states and 45333 transitions. [2020-12-22 17:14:57,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2020-12-22 17:14:57,160 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 17:14:57,160 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 17:14:57,161 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-22 17:14:57,161 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 17:14:57,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 17:14:57,162 INFO L82 PathProgramCache]: Analyzing trace with hash 2485027, now seen corresponding path program 1 times [2020-12-22 17:14:57,162 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 17:14:57,162 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [370176013] [2020-12-22 17:14:57,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 17:14:57,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 17:14:57,829 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-22 17:14:57,829 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [370176013] [2020-12-22 17:14:57,829 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 17:14:57,830 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 17:14:57,830 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [304546802] [2020-12-22 17:14:57,830 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 17:14:57,830 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 17:14:57,831 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 17:14:57,831 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 17:14:57,831 INFO L87 Difference]: Start difference. First operand 35093 states and 45333 transitions. Second operand 4 states. [2020-12-22 17:14:59,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 17:14:59,199 INFO L93 Difference]: Finished difference Result 35093 states and 45333 transitions. [2020-12-22 17:14:59,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 17:14:59,199 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 122 [2020-12-22 17:14:59,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 17:14:59,304 INFO L225 Difference]: With dead ends: 35093 [2020-12-22 17:14:59,304 INFO L226 Difference]: Without dead ends: 35087 [2020-12-22 17:14:59,314 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-22 17:14:59,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35087 states. [2020-12-22 17:15:00,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35087 to 35087. [2020-12-22 17:15:00,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35087 states. [2020-12-22 17:15:00,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35087 states to 35087 states and 45327 transitions. [2020-12-22 17:15:00,837 INFO L78 Accepts]: Start accepts. Automaton has 35087 states and 45327 transitions. Word has length 122 [2020-12-22 17:15:00,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 17:15:00,838 INFO L481 AbstractCegarLoop]: Abstraction has 35087 states and 45327 transitions. [2020-12-22 17:15:00,838 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 17:15:00,840 INFO L276 IsEmpty]: Start isEmpty. Operand 35087 states and 45327 transitions. [2020-12-22 17:15:00,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2020-12-22 17:15:00,853 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 17:15:00,853 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 17:15:00,853 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-22 17:15:00,856 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 17:15:00,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 17:15:00,856 INFO L82 PathProgramCache]: Analyzing trace with hash -1906676346, now seen corresponding path program 1 times [2020-12-22 17:15:00,856 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 17:15:00,857 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2048715865] [2020-12-22 17:15:00,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 17:15:00,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 17:15:01,354 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-22 17:15:01,355 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2048715865] [2020-12-22 17:15:01,355 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 17:15:01,355 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 17:15:01,355 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1666366170] [2020-12-22 17:15:01,356 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 17:15:01,356 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 17:15:01,357 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 17:15:01,357 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 17:15:01,357 INFO L87 Difference]: Start difference. First operand 35087 states and 45327 transitions. Second operand 4 states. [2020-12-22 17:15:03,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 17:15:03,069 INFO L93 Difference]: Finished difference Result 35087 states and 45327 transitions. [2020-12-22 17:15:03,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 17:15:03,070 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 124 [2020-12-22 17:15:03,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 17:15:03,178 INFO L225 Difference]: With dead ends: 35087 [2020-12-22 17:15:03,178 INFO L226 Difference]: Without dead ends: 35081 [2020-12-22 17:15:03,190 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-22 17:15:03,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35081 states. [2020-12-22 17:15:04,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35081 to 35081. [2020-12-22 17:15:04,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35081 states. [2020-12-22 17:15:04,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35081 states to 35081 states and 45321 transitions. [2020-12-22 17:15:04,737 INFO L78 Accepts]: Start accepts. Automaton has 35081 states and 45321 transitions. Word has length 124 [2020-12-22 17:15:04,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 17:15:04,738 INFO L481 AbstractCegarLoop]: Abstraction has 35081 states and 45321 transitions. [2020-12-22 17:15:04,738 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 17:15:04,738 INFO L276 IsEmpty]: Start isEmpty. Operand 35081 states and 45321 transitions. [2020-12-22 17:15:04,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2020-12-22 17:15:04,873 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 17:15:04,873 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 17:15:04,874 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-22 17:15:04,874 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 17:15:04,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 17:15:04,875 INFO L82 PathProgramCache]: Analyzing trace with hash 1635247209, now seen corresponding path program 1 times [2020-12-22 17:15:04,875 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 17:15:04,875 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [256024941] [2020-12-22 17:15:04,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 17:15:05,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 17:15:05,322 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-22 17:15:05,323 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [256024941] [2020-12-22 17:15:05,323 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 17:15:05,323 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 17:15:05,324 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872563901] [2020-12-22 17:15:05,324 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 17:15:05,324 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 17:15:05,325 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 17:15:05,325 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 17:15:05,325 INFO L87 Difference]: Start difference. First operand 35081 states and 45321 transitions. Second operand 4 states. [2020-12-22 17:15:06,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 17:15:06,893 INFO L93 Difference]: Finished difference Result 35081 states and 45321 transitions. [2020-12-22 17:15:06,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 17:15:06,894 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 126 [2020-12-22 17:15:06,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 17:15:06,986 INFO L225 Difference]: With dead ends: 35081 [2020-12-22 17:15:06,986 INFO L226 Difference]: Without dead ends: 35075 [2020-12-22 17:15:06,998 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-22 17:15:07,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35075 states. [2020-12-22 17:15:08,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35075 to 35075. [2020-12-22 17:15:08,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35075 states. [2020-12-22 17:15:08,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35075 states to 35075 states and 45315 transitions. [2020-12-22 17:15:08,672 INFO L78 Accepts]: Start accepts. Automaton has 35075 states and 45315 transitions. Word has length 126 [2020-12-22 17:15:08,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 17:15:08,672 INFO L481 AbstractCegarLoop]: Abstraction has 35075 states and 45315 transitions. [2020-12-22 17:15:08,672 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 17:15:08,673 INFO L276 IsEmpty]: Start isEmpty. Operand 35075 states and 45315 transitions. [2020-12-22 17:15:08,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2020-12-22 17:15:08,683 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 17:15:08,683 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 17:15:08,683 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-22 17:15:08,684 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 17:15:08,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 17:15:08,684 INFO L82 PathProgramCache]: Analyzing trace with hash -485281844, now seen corresponding path program 1 times [2020-12-22 17:15:08,685 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 17:15:08,685 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1080249476] [2020-12-22 17:15:08,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 17:15:08,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 17:15:09,238 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-22 17:15:09,238 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1080249476] [2020-12-22 17:15:09,239 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 17:15:09,239 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 17:15:09,239 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758633659] [2020-12-22 17:15:09,240 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 17:15:09,240 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 17:15:09,240 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 17:15:09,244 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 17:15:09,245 INFO L87 Difference]: Start difference. First operand 35075 states and 45315 transitions. Second operand 4 states. [2020-12-22 17:15:10,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 17:15:10,704 INFO L93 Difference]: Finished difference Result 35075 states and 45315 transitions. [2020-12-22 17:15:10,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 17:15:10,705 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 128 [2020-12-22 17:15:10,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 17:15:10,774 INFO L225 Difference]: With dead ends: 35075 [2020-12-22 17:15:10,775 INFO L226 Difference]: Without dead ends: 35069 [2020-12-22 17:15:10,789 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-22 17:15:10,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35069 states. [2020-12-22 17:15:12,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35069 to 35069. [2020-12-22 17:15:12,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35069 states. [2020-12-22 17:15:12,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35069 states to 35069 states and 45309 transitions. [2020-12-22 17:15:12,131 INFO L78 Accepts]: Start accepts. Automaton has 35069 states and 45309 transitions. Word has length 128 [2020-12-22 17:15:12,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 17:15:12,131 INFO L481 AbstractCegarLoop]: Abstraction has 35069 states and 45309 transitions. [2020-12-22 17:15:12,131 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 17:15:12,132 INFO L276 IsEmpty]: Start isEmpty. Operand 35069 states and 45309 transitions. [2020-12-22 17:15:12,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2020-12-22 17:15:12,143 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 17:15:12,143 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 17:15:12,143 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-22 17:15:12,143 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 17:15:12,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 17:15:12,144 INFO L82 PathProgramCache]: Analyzing trace with hash 1795764143, now seen corresponding path program 1 times [2020-12-22 17:15:12,144 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 17:15:12,145 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1733537786] [2020-12-22 17:15:12,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 17:15:12,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 17:15:12,555 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-22 17:15:12,556 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1733537786] [2020-12-22 17:15:12,556 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 17:15:12,556 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 17:15:12,556 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1756102665] [2020-12-22 17:15:12,557 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 17:15:12,557 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 17:15:12,557 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 17:15:12,558 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 17:15:12,558 INFO L87 Difference]: Start difference. First operand 35069 states and 45309 transitions. Second operand 4 states. [2020-12-22 17:15:13,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 17:15:13,978 INFO L93 Difference]: Finished difference Result 35069 states and 45309 transitions. [2020-12-22 17:15:13,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 17:15:13,978 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 130 [2020-12-22 17:15:13,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 17:15:14,041 INFO L225 Difference]: With dead ends: 35069 [2020-12-22 17:15:14,042 INFO L226 Difference]: Without dead ends: 35063 [2020-12-22 17:15:14,055 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-22 17:15:14,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35063 states. [2020-12-22 17:15:15,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35063 to 35063. [2020-12-22 17:15:15,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35063 states. [2020-12-22 17:15:15,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35063 states to 35063 states and 45303 transitions. [2020-12-22 17:15:15,420 INFO L78 Accepts]: Start accepts. Automaton has 35063 states and 45303 transitions. Word has length 130 [2020-12-22 17:15:15,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 17:15:15,420 INFO L481 AbstractCegarLoop]: Abstraction has 35063 states and 45303 transitions. [2020-12-22 17:15:15,420 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 17:15:15,421 INFO L276 IsEmpty]: Start isEmpty. Operand 35063 states and 45303 transitions. [2020-12-22 17:15:15,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-12-22 17:15:15,434 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 17:15:15,434 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 17:15:15,434 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-22 17:15:15,435 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 17:15:15,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 17:15:15,436 INFO L82 PathProgramCache]: Analyzing trace with hash -847330286, now seen corresponding path program 1 times [2020-12-22 17:15:15,436 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 17:15:15,436 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1863497279] [2020-12-22 17:15:15,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 17:15:15,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 17:15:15,902 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-22 17:15:15,902 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1863497279] [2020-12-22 17:15:15,903 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 17:15:15,903 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 17:15:15,904 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [114159078] [2020-12-22 17:15:15,904 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 17:15:15,904 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 17:15:15,905 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 17:15:15,905 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 17:15:15,905 INFO L87 Difference]: Start difference. First operand 35063 states and 45303 transitions. Second operand 4 states. [2020-12-22 17:15:17,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 17:15:17,399 INFO L93 Difference]: Finished difference Result 35063 states and 45303 transitions. [2020-12-22 17:15:17,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 17:15:17,399 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 132 [2020-12-22 17:15:17,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 17:15:17,460 INFO L225 Difference]: With dead ends: 35063 [2020-12-22 17:15:17,460 INFO L226 Difference]: Without dead ends: 35057 [2020-12-22 17:15:17,473 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-22 17:15:17,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35057 states. [2020-12-22 17:15:18,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35057 to 35057. [2020-12-22 17:15:18,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35057 states. [2020-12-22 17:15:18,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35057 states to 35057 states and 45297 transitions. [2020-12-22 17:15:18,704 INFO L78 Accepts]: Start accepts. Automaton has 35057 states and 45297 transitions. Word has length 132 [2020-12-22 17:15:18,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 17:15:18,705 INFO L481 AbstractCegarLoop]: Abstraction has 35057 states and 45297 transitions. [2020-12-22 17:15:18,705 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 17:15:18,705 INFO L276 IsEmpty]: Start isEmpty. Operand 35057 states and 45297 transitions. [2020-12-22 17:15:18,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2020-12-22 17:15:18,718 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 17:15:18,718 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 17:15:18,718 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-22 17:15:18,719 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 17:15:18,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 17:15:18,719 INFO L82 PathProgramCache]: Analyzing trace with hash 1759562997, now seen corresponding path program 1 times [2020-12-22 17:15:18,720 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 17:15:18,720 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819011686] [2020-12-22 17:15:18,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 17:15:18,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 17:15:19,147 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-22 17:15:19,148 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [819011686] [2020-12-22 17:15:19,148 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 17:15:19,148 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 17:15:19,148 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456192296] [2020-12-22 17:15:19,149 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 17:15:19,149 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 17:15:19,156 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 17:15:19,156 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 17:15:19,157 INFO L87 Difference]: Start difference. First operand 35057 states and 45297 transitions. Second operand 4 states. [2020-12-22 17:15:20,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 17:15:20,762 INFO L93 Difference]: Finished difference Result 35057 states and 45297 transitions. [2020-12-22 17:15:20,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 17:15:20,763 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 134 [2020-12-22 17:15:20,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 17:15:20,811 INFO L225 Difference]: With dead ends: 35057 [2020-12-22 17:15:20,811 INFO L226 Difference]: Without dead ends: 35051 [2020-12-22 17:15:20,820 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-22 17:15:20,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35051 states. [2020-12-22 17:15:21,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35051 to 35051. [2020-12-22 17:15:21,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35051 states. [2020-12-22 17:15:22,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35051 states to 35051 states and 45291 transitions. [2020-12-22 17:15:22,076 INFO L78 Accepts]: Start accepts. Automaton has 35051 states and 45291 transitions. Word has length 134 [2020-12-22 17:15:22,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 17:15:22,076 INFO L481 AbstractCegarLoop]: Abstraction has 35051 states and 45291 transitions. [2020-12-22 17:15:22,076 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 17:15:22,076 INFO L276 IsEmpty]: Start isEmpty. Operand 35051 states and 45291 transitions. [2020-12-22 17:15:22,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-12-22 17:15:22,089 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 17:15:22,089 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 17:15:22,089 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-12-22 17:15:22,090 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 17:15:22,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 17:15:22,090 INFO L82 PathProgramCache]: Analyzing trace with hash -1276892584, now seen corresponding path program 1 times [2020-12-22 17:15:22,091 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 17:15:22,091 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1304298420] [2020-12-22 17:15:22,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 17:15:22,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 17:15:22,477 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-22 17:15:22,477 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1304298420] [2020-12-22 17:15:22,478 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 17:15:22,478 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 17:15:22,478 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [139180100] [2020-12-22 17:15:22,478 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 17:15:22,479 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 17:15:22,479 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 17:15:22,479 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 17:15:22,479 INFO L87 Difference]: Start difference. First operand 35051 states and 45291 transitions. Second operand 4 states. [2020-12-22 17:15:23,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 17:15:23,994 INFO L93 Difference]: Finished difference Result 35051 states and 45291 transitions. [2020-12-22 17:15:23,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 17:15:23,995 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 136 [2020-12-22 17:15:23,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 17:15:24,041 INFO L225 Difference]: With dead ends: 35051 [2020-12-22 17:15:24,042 INFO L226 Difference]: Without dead ends: 35045 [2020-12-22 17:15:24,052 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-22 17:15:24,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35045 states. [2020-12-22 17:15:25,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35045 to 35045. [2020-12-22 17:15:25,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35045 states. [2020-12-22 17:15:25,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35045 states to 35045 states and 45285 transitions. [2020-12-22 17:15:25,342 INFO L78 Accepts]: Start accepts. Automaton has 35045 states and 45285 transitions. Word has length 136 [2020-12-22 17:15:25,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 17:15:25,342 INFO L481 AbstractCegarLoop]: Abstraction has 35045 states and 45285 transitions. [2020-12-22 17:15:25,342 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 17:15:25,342 INFO L276 IsEmpty]: Start isEmpty. Operand 35045 states and 45285 transitions. [2020-12-22 17:15:25,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-12-22 17:15:25,355 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 17:15:25,355 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 17:15:25,356 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-12-22 17:15:25,356 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 17:15:25,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 17:15:25,357 INFO L82 PathProgramCache]: Analyzing trace with hash 1267055675, now seen corresponding path program 1 times [2020-12-22 17:15:25,357 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 17:15:25,357 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [771499462] [2020-12-22 17:15:25,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 17:15:25,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 17:15:25,781 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-22 17:15:25,781 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [771499462] [2020-12-22 17:15:25,781 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 17:15:25,781 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 17:15:25,782 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1343194129] [2020-12-22 17:15:25,782 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 17:15:25,782 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 17:15:25,783 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 17:15:25,783 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 17:15:25,783 INFO L87 Difference]: Start difference. First operand 35045 states and 45285 transitions. Second operand 4 states. [2020-12-22 17:15:27,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 17:15:27,075 INFO L93 Difference]: Finished difference Result 35045 states and 45285 transitions. [2020-12-22 17:15:27,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 17:15:27,076 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 138 [2020-12-22 17:15:27,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 17:15:27,136 INFO L225 Difference]: With dead ends: 35045 [2020-12-22 17:15:27,137 INFO L226 Difference]: Without dead ends: 35039 [2020-12-22 17:15:27,152 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-22 17:15:27,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35039 states. [2020-12-22 17:15:28,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35039 to 35039. [2020-12-22 17:15:28,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35039 states. [2020-12-22 17:15:28,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35039 states to 35039 states and 45279 transitions. [2020-12-22 17:15:28,472 INFO L78 Accepts]: Start accepts. Automaton has 35039 states and 45279 transitions. Word has length 138 [2020-12-22 17:15:28,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 17:15:28,473 INFO L481 AbstractCegarLoop]: Abstraction has 35039 states and 45279 transitions. [2020-12-22 17:15:28,473 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 17:15:28,473 INFO L276 IsEmpty]: Start isEmpty. Operand 35039 states and 45279 transitions. [2020-12-22 17:15:28,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2020-12-22 17:15:28,488 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 17:15:28,488 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 17:15:28,488 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-12-22 17:15:28,489 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 17:15:28,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 17:15:28,489 INFO L82 PathProgramCache]: Analyzing trace with hash -2130025826, now seen corresponding path program 1 times [2020-12-22 17:15:28,489 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 17:15:28,490 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [711879257] [2020-12-22 17:15:28,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 17:15:28,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 17:15:28,944 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-22 17:15:28,944 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [711879257] [2020-12-22 17:15:28,945 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 17:15:28,945 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 17:15:28,945 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1240798386] [2020-12-22 17:15:28,946 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 17:15:28,946 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 17:15:28,946 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 17:15:28,947 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 17:15:28,947 INFO L87 Difference]: Start difference. First operand 35039 states and 45279 transitions. Second operand 4 states. [2020-12-22 17:15:30,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 17:15:30,627 INFO L93 Difference]: Finished difference Result 35039 states and 45279 transitions. [2020-12-22 17:15:30,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 17:15:30,628 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 140 [2020-12-22 17:15:30,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 17:15:30,687 INFO L225 Difference]: With dead ends: 35039 [2020-12-22 17:15:30,687 INFO L226 Difference]: Without dead ends: 35033 [2020-12-22 17:15:30,698 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-22 17:15:30,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35033 states. [2020-12-22 17:15:32,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35033 to 35033. [2020-12-22 17:15:32,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35033 states. [2020-12-22 17:15:32,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35033 states to 35033 states and 45273 transitions. [2020-12-22 17:15:32,287 INFO L78 Accepts]: Start accepts. Automaton has 35033 states and 45273 transitions. Word has length 140 [2020-12-22 17:15:32,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 17:15:32,287 INFO L481 AbstractCegarLoop]: Abstraction has 35033 states and 45273 transitions. [2020-12-22 17:15:32,287 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 17:15:32,287 INFO L276 IsEmpty]: Start isEmpty. Operand 35033 states and 45273 transitions. [2020-12-22 17:15:32,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-12-22 17:15:32,301 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 17:15:32,301 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 17:15:32,301 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-12-22 17:15:32,302 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 17:15:32,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 17:15:32,302 INFO L82 PathProgramCache]: Analyzing trace with hash 1744764289, now seen corresponding path program 1 times [2020-12-22 17:15:32,302 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 17:15:32,303 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1704592549] [2020-12-22 17:15:32,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 17:15:32,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 17:15:32,675 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-22 17:15:32,676 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1704592549] [2020-12-22 17:15:32,676 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 17:15:32,676 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 17:15:32,676 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1119374379] [2020-12-22 17:15:32,677 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 17:15:32,677 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 17:15:32,677 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 17:15:32,677 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 17:15:32,678 INFO L87 Difference]: Start difference. First operand 35033 states and 45273 transitions. Second operand 4 states. [2020-12-22 17:15:34,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 17:15:34,362 INFO L93 Difference]: Finished difference Result 35033 states and 45273 transitions. [2020-12-22 17:15:34,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 17:15:34,363 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 142 [2020-12-22 17:15:34,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 17:15:34,412 INFO L225 Difference]: With dead ends: 35033 [2020-12-22 17:15:34,412 INFO L226 Difference]: Without dead ends: 35027 [2020-12-22 17:15:34,422 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-22 17:15:34,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35027 states. [2020-12-22 17:15:35,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35027 to 35027. [2020-12-22 17:15:35,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35027 states. [2020-12-22 17:15:36,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35027 states to 35027 states and 45267 transitions. [2020-12-22 17:15:36,043 INFO L78 Accepts]: Start accepts. Automaton has 35027 states and 45267 transitions. Word has length 142 [2020-12-22 17:15:36,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 17:15:36,043 INFO L481 AbstractCegarLoop]: Abstraction has 35027 states and 45267 transitions. [2020-12-22 17:15:36,043 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 17:15:36,044 INFO L276 IsEmpty]: Start isEmpty. Operand 35027 states and 45267 transitions. [2020-12-22 17:15:36,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2020-12-22 17:15:36,055 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 17:15:36,055 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 17:15:36,055 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-12-22 17:15:36,055 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 17:15:36,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 17:15:36,056 INFO L82 PathProgramCache]: Analyzing trace with hash 1681419492, now seen corresponding path program 1 times [2020-12-22 17:15:36,056 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 17:15:36,056 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1272442696] [2020-12-22 17:15:36,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 17:15:36,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 17:15:36,427 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-22 17:15:36,429 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1272442696] [2020-12-22 17:15:36,431 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 17:15:36,431 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 17:15:36,432 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1337591387] [2020-12-22 17:15:36,432 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 17:15:36,432 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 17:15:36,433 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 17:15:36,433 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 17:15:36,433 INFO L87 Difference]: Start difference. First operand 35027 states and 45267 transitions. Second operand 4 states. [2020-12-22 17:15:38,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 17:15:38,772 INFO L93 Difference]: Finished difference Result 35027 states and 45267 transitions. [2020-12-22 17:15:38,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 17:15:38,773 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 144 [2020-12-22 17:15:38,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 17:15:38,818 INFO L225 Difference]: With dead ends: 35027 [2020-12-22 17:15:38,819 INFO L226 Difference]: Without dead ends: 35021 [2020-12-22 17:15:38,828 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-22 17:15:38,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35021 states. [2020-12-22 17:15:40,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35021 to 35021. [2020-12-22 17:15:40,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35021 states. [2020-12-22 17:15:40,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35021 states to 35021 states and 45261 transitions. [2020-12-22 17:15:40,503 INFO L78 Accepts]: Start accepts. Automaton has 35021 states and 45261 transitions. Word has length 144 [2020-12-22 17:15:40,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 17:15:40,504 INFO L481 AbstractCegarLoop]: Abstraction has 35021 states and 45261 transitions. [2020-12-22 17:15:40,504 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 17:15:40,504 INFO L276 IsEmpty]: Start isEmpty. Operand 35021 states and 45261 transitions. [2020-12-22 17:15:40,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2020-12-22 17:15:40,520 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 17:15:40,520 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 17:15:40,520 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-12-22 17:15:40,521 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 17:15:40,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 17:15:40,521 INFO L82 PathProgramCache]: Analyzing trace with hash 936612039, now seen corresponding path program 1 times [2020-12-22 17:15:40,521 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 17:15:40,521 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1086193053] [2020-12-22 17:15:40,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 17:15:40,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 17:15:40,910 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-22 17:15:40,910 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1086193053] [2020-12-22 17:15:40,911 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 17:15:40,911 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 17:15:40,915 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068562286] [2020-12-22 17:15:40,916 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 17:15:40,916 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 17:15:40,917 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 17:15:40,917 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 17:15:40,918 INFO L87 Difference]: Start difference. First operand 35021 states and 45261 transitions. Second operand 4 states. [2020-12-22 17:15:42,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 17:15:42,693 INFO L93 Difference]: Finished difference Result 35021 states and 45261 transitions. [2020-12-22 17:15:42,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 17:15:42,694 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 146 [2020-12-22 17:15:42,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 17:15:42,695 INFO L225 Difference]: With dead ends: 35021 [2020-12-22 17:15:42,695 INFO L226 Difference]: Without dead ends: 0 [2020-12-22 17:15:42,748 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-22 17:15:42,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-22 17:15:42,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-22 17:15:42,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-22 17:15:42,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-22 17:15:42,749 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 146 [2020-12-22 17:15:42,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 17:15:42,750 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-22 17:15:42,750 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 17:15:42,750 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-22 17:15:42,750 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-22 17:15:42,750 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-12-22 17:15:42,752 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-22 17:15:43,228 WARN L197 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 33 [2020-12-22 17:16:12,754 WARN L197 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 30