/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-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rt2x00-rt2500usb.cil.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-22 15:34:43,536 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-22 15:34:43,539 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-22 15:34:43,578 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-22 15:34:43,579 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-22 15:34:43,581 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-22 15:34:43,582 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-22 15:34:43,585 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-22 15:34:43,587 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-22 15:34:43,588 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-22 15:34:43,590 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-22 15:34:43,591 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-22 15:34:43,592 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-22 15:34:43,593 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-22 15:34:43,595 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-22 15:34:43,596 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-22 15:34:43,597 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-22 15:34:43,598 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-22 15:34:43,601 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-22 15:34:43,603 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-22 15:34:43,605 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-22 15:34:43,607 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-22 15:34:43,609 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-22 15:34:43,610 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-22 15:34:43,628 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-22 15:34:43,632 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-22 15:34:43,633 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-22 15:34:43,634 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-22 15:34:43,635 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-22 15:34:43,638 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-22 15:34:43,639 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-22 15:34:43,640 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-22 15:34:43,644 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-22 15:34:43,646 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-22 15:34:43,648 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-22 15:34:43,648 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-22 15:34:43,649 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-22 15:34:43,650 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-22 15:34:43,650 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-22 15:34:43,651 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-22 15:34:43,652 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-22 15:34:43,656 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-22 15:34:43,714 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-22 15:34:43,715 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-22 15:34:43,720 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-22 15:34:43,721 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-22 15:34:43,721 INFO L138 SettingsManager]: * Use SBE=true [2020-12-22 15:34:43,721 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-22 15:34:43,721 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-22 15:34:43,722 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-22 15:34:43,722 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-22 15:34:43,722 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-22 15:34:43,723 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-22 15:34:43,724 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-22 15:34:43,724 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-22 15:34:43,724 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-22 15:34:43,724 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-22 15:34:43,725 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-22 15:34:43,725 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-22 15:34:43,725 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 15:34:43,725 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-22 15:34:43,726 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-22 15:34:43,726 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-22 15:34:43,726 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-22 15:34:43,726 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-22 15:34:43,726 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-22 15:34:43,727 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-22 15:34:43,727 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-22 15:34:44,165 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-22 15:34:44,197 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-22 15:34:44,200 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-22 15:34:44,202 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-22 15:34:44,203 INFO L275 PluginConnector]: CDTParser initialized [2020-12-22 15:34:44,204 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rt2x00-rt2500usb.cil.i [2020-12-22 15:34:44,306 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0318944e0/0bddbdc3cf3a4734b96211af9ce2a0b4/FLAG03e8d37cd [2020-12-22 15:34:45,891 INFO L306 CDTParser]: Found 1 translation units. [2020-12-22 15:34:45,892 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rt2x00-rt2500usb.cil.i [2020-12-22 15:34:45,966 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0318944e0/0bddbdc3cf3a4734b96211af9ce2a0b4/FLAG03e8d37cd [2020-12-22 15:34:46,440 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0318944e0/0bddbdc3cf3a4734b96211af9ce2a0b4 [2020-12-22 15:34:46,443 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-22 15:34:46,446 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-22 15:34:46,448 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-22 15:34:46,448 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-22 15:34:46,453 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-22 15:34:46,454 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 03:34:46" (1/1) ... [2020-12-22 15:34:46,456 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57e25cac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:34:46, skipping insertion in model container [2020-12-22 15:34:46,456 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 03:34:46" (1/1) ... [2020-12-22 15:34:46,466 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-22 15:34:46,772 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-22 15:34:53,411 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-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rt2x00-rt2500usb.cil.i[615371,615384] [2020-12-22 15:34:53,415 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-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rt2x00-rt2500usb.cil.i[615516,615529] [2020-12-22 15:34:53,458 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 15:34:53,555 INFO L203 MainTranslator]: Completed pre-run [2020-12-22 15:34:54,405 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-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rt2x00-rt2500usb.cil.i[615371,615384] [2020-12-22 15:34:54,406 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-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rt2x00-rt2500usb.cil.i[615516,615529] [2020-12-22 15:34:54,416 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 15:34:55,474 INFO L208 MainTranslator]: Completed translation [2020-12-22 15:34:55,475 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:34:55 WrapperNode [2020-12-22 15:34:55,475 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-22 15:34:55,477 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-22 15:34:55,477 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-22 15:34:55,477 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-22 15:34:55,485 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:34:55" (1/1) ... [2020-12-22 15:34:55,725 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:34:55" (1/1) ... [2020-12-22 15:34:57,952 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-22 15:34:57,957 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-22 15:34:57,957 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-22 15:34:57,957 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-22 15:34:57,970 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:34:55" (1/1) ... [2020-12-22 15:34:57,971 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:34:55" (1/1) ... [2020-12-22 15:34:58,946 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:34:55" (1/1) ... [2020-12-22 15:34:58,947 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:34:55" (1/1) ... [2020-12-22 15:35:00,757 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:34:55" (1/1) ... [2020-12-22 15:35:01,176 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:34:55" (1/1) ... [2020-12-22 15:35:01,421 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:34:55" (1/1) ... [2020-12-22 15:35:01,770 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-22 15:35:01,771 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-22 15:35:01,771 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-22 15:35:01,771 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-22 15:35:01,772 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:34:55" (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 15:35:01,903 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-22 15:35:01,903 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-12-22 15:35:01,904 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2020-12-22 15:35:01,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2020-12-22 15:35:01,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-12-22 15:35:01,905 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-22 15:35:01,905 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-12-22 15:35:01,906 INFO L130 BoogieDeclarations]: Found specification of procedure rt2500usb_set_device_state [2020-12-22 15:35:01,906 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2500usb_set_device_state [2020-12-22 15:35:01,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-12-22 15:35:01,909 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-22 15:35:01,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-22 15:35:01,910 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-12-22 15:35:01,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-12-22 15:35:01,910 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-22 15:35:01,910 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-12-22 15:35:01,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-12-22 15:35:01,911 INFO L130 BoogieDeclarations]: Found specification of procedure rt2500usb_init_registers [2020-12-22 15:35:01,911 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2500usb_init_registers [2020-12-22 15:35:01,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-22 15:35:01,911 INFO L130 BoogieDeclarations]: Found specification of procedure rt2500usb_enable_radio [2020-12-22 15:35:01,911 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2500usb_enable_radio [2020-12-22 15:35:01,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-22 15:36:43,984 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break: ldv_switch_1_#res := 0; [2020-12-22 15:36:43,986 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#3: ldv_switch_0_#res := 0; [2020-12-22 15:36:43,986 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#4: ldv_switch_0_#res := 0; [2020-12-22 15:36:43,986 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#5: ldv_switch_0_#res := 0; [2020-12-22 15:36:43,987 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#6: ldv_switch_0_#res := 0; [2020-12-22 15:36:43,987 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#2: ldv_switch_0_#res := 0; [2020-12-22 15:36:43,993 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2020-12-22 15:36:43,994 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break: ldv_switch_0_#res := 0; [2020-12-22 15:36:44,054 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-22 15:36:44,055 INFO L299 CfgBuilder]: Removed 10209 assume(true) statements. [2020-12-22 15:36:44,067 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 03:36:44 BoogieIcfgContainer [2020-12-22 15:36:44,068 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-22 15:36:44,070 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-22 15:36:44,070 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-22 15:36:44,074 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-22 15:36:44,074 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 03:34:46" (1/3) ... [2020-12-22 15:36:44,075 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8c7533 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 03:36:44, skipping insertion in model container [2020-12-22 15:36:44,075 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:34:55" (2/3) ... [2020-12-22 15:36:44,076 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8c7533 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 03:36:44, skipping insertion in model container [2020-12-22 15:36:44,076 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 03:36:44" (3/3) ... [2020-12-22 15:36:44,078 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rt2x00-rt2500usb.cil.i [2020-12-22 15:36:44,085 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-22 15:36:44,096 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 10 error locations. [2020-12-22 15:36:44,118 INFO L253 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2020-12-22 15:36:44,185 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 15:36:44,186 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-22 15:36:44,186 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 15:36:44,186 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 15:36:44,186 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 15:36:44,186 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 15:36:44,186 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 15:36:44,187 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 15:36:44,340 INFO L276 IsEmpty]: Start isEmpty. Operand 10173 states. [2020-12-22 15:36:44,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2020-12-22 15:36:44,430 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 15:36:44,432 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:36:44,433 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 15:36:44,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 15:36:44,441 INFO L82 PathProgramCache]: Analyzing trace with hash 1458685337, now seen corresponding path program 1 times [2020-12-22 15:36:44,453 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 15:36:44,454 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [699234595] [2020-12-22 15:36:44,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 15:36:45,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 15:36:46,434 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 15:36:46,435 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [699234595] [2020-12-22 15:36:46,436 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 15:36:46,436 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 15:36:46,437 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1845663156] [2020-12-22 15:36:46,443 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 15:36:46,443 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 15:36:46,459 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 15:36:46,460 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 15:36:46,462 INFO L87 Difference]: Start difference. First operand 10173 states. Second operand 3 states. [2020-12-22 15:36:49,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 15:36:49,914 INFO L93 Difference]: Finished difference Result 28345 states and 39935 transitions. [2020-12-22 15:36:49,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 15:36:49,916 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 307 [2020-12-22 15:36:49,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 15:36:50,053 INFO L225 Difference]: With dead ends: 28345 [2020-12-22 15:36:50,054 INFO L226 Difference]: Without dead ends: 18400 [2020-12-22 15:36:50,093 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 15:36:50,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18400 states. [2020-12-22 15:36:50,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18400 to 18378. [2020-12-22 15:36:51,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18378 states. [2020-12-22 15:36:51,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18378 states to 18378 states and 25636 transitions. [2020-12-22 15:36:51,081 INFO L78 Accepts]: Start accepts. Automaton has 18378 states and 25636 transitions. Word has length 307 [2020-12-22 15:36:51,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 15:36:51,092 INFO L481 AbstractCegarLoop]: Abstraction has 18378 states and 25636 transitions. [2020-12-22 15:36:51,092 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 15:36:51,092 INFO L276 IsEmpty]: Start isEmpty. Operand 18378 states and 25636 transitions. [2020-12-22 15:36:51,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2020-12-22 15:36:51,140 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 15:36:51,140 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:36:51,140 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-22 15:36:51,143 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 15:36:51,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 15:36:51,146 INFO L82 PathProgramCache]: Analyzing trace with hash -1307081468, now seen corresponding path program 1 times [2020-12-22 15:36:51,146 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 15:36:51,147 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1111961205] [2020-12-22 15:36:51,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 15:36:51,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 15:36:52,356 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 15:36:52,359 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1111961205] [2020-12-22 15:36:52,359 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 15:36:52,360 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 15:36:52,361 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342596783] [2020-12-22 15:36:52,366 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 15:36:52,366 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 15:36:52,369 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 15:36:52,370 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 15:36:52,370 INFO L87 Difference]: Start difference. First operand 18378 states and 25636 transitions. Second operand 3 states. [2020-12-22 15:36:56,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 15:36:56,437 INFO L93 Difference]: Finished difference Result 47346 states and 66286 transitions. [2020-12-22 15:36:56,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 15:36:56,438 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 309 [2020-12-22 15:36:56,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 15:36:56,575 INFO L225 Difference]: With dead ends: 47346 [2020-12-22 15:36:56,575 INFO L226 Difference]: Without dead ends: 29468 [2020-12-22 15:36:56,618 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 15:36:56,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29468 states. [2020-12-22 15:36:57,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29468 to 29444. [2020-12-22 15:36:57,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29444 states. [2020-12-22 15:36:57,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29444 states to 29444 states and 41170 transitions. [2020-12-22 15:36:57,751 INFO L78 Accepts]: Start accepts. Automaton has 29444 states and 41170 transitions. Word has length 309 [2020-12-22 15:36:57,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 15:36:57,753 INFO L481 AbstractCegarLoop]: Abstraction has 29444 states and 41170 transitions. [2020-12-22 15:36:57,753 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 15:36:57,753 INFO L276 IsEmpty]: Start isEmpty. Operand 29444 states and 41170 transitions. [2020-12-22 15:36:57,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2020-12-22 15:36:57,817 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 15:36:57,821 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:36:57,822 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-22 15:36:57,823 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 15:36:57,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 15:36:57,831 INFO L82 PathProgramCache]: Analyzing trace with hash -1292227686, now seen corresponding path program 1 times [2020-12-22 15:36:57,831 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 15:36:57,832 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1572327127] [2020-12-22 15:36:57,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 15:36:58,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 15:36:59,008 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 15:36:59,008 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1572327127] [2020-12-22 15:36:59,009 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 15:36:59,009 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 15:36:59,009 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [973173647] [2020-12-22 15:36:59,010 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 15:36:59,010 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 15:36:59,011 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 15:36:59,012 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 15:36:59,012 INFO L87 Difference]: Start difference. First operand 29444 states and 41170 transitions. Second operand 3 states. [2020-12-22 15:37:03,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 15:37:03,380 INFO L93 Difference]: Finished difference Result 70834 states and 99356 transitions. [2020-12-22 15:37:03,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 15:37:03,382 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 310 [2020-12-22 15:37:03,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 15:37:03,526 INFO L225 Difference]: With dead ends: 70834 [2020-12-22 15:37:03,526 INFO L226 Difference]: Without dead ends: 41890 [2020-12-22 15:37:03,575 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 15:37:03,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41890 states. [2020-12-22 15:37:04,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41890 to 41862. [2020-12-22 15:37:04,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41862 states. [2020-12-22 15:37:04,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41862 states to 41862 states and 58678 transitions. [2020-12-22 15:37:04,975 INFO L78 Accepts]: Start accepts. Automaton has 41862 states and 58678 transitions. Word has length 310 [2020-12-22 15:37:04,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 15:37:04,976 INFO L481 AbstractCegarLoop]: Abstraction has 41862 states and 58678 transitions. [2020-12-22 15:37:04,976 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 15:37:04,976 INFO L276 IsEmpty]: Start isEmpty. Operand 41862 states and 58678 transitions. [2020-12-22 15:37:05,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 322 [2020-12-22 15:37:05,070 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 15:37:05,070 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:37:05,071 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-22 15:37:05,071 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 15:37:05,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 15:37:05,072 INFO L82 PathProgramCache]: Analyzing trace with hash -1803570226, now seen corresponding path program 1 times [2020-12-22 15:37:05,072 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 15:37:05,072 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1362763265] [2020-12-22 15:37:05,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 15:37:05,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 15:37:06,155 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 15:37:06,156 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1362763265] [2020-12-22 15:37:06,156 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 15:37:06,157 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 15:37:06,158 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [325972284] [2020-12-22 15:37:06,159 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 15:37:06,163 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 15:37:06,164 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 15:37:06,165 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-12-22 15:37:06,165 INFO L87 Difference]: Start difference. First operand 41862 states and 58678 transitions. Second operand 5 states. [2020-12-22 15:37:14,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 15:37:14,443 INFO L93 Difference]: Finished difference Result 165876 states and 232946 transitions. [2020-12-22 15:37:14,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 15:37:14,444 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 321 [2020-12-22 15:37:14,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 15:37:14,875 INFO L225 Difference]: With dead ends: 165876 [2020-12-22 15:37:14,875 INFO L226 Difference]: Without dead ends: 124514 [2020-12-22 15:37:14,967 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-12-22 15:37:15,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124514 states. [2020-12-22 15:37:18,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124514 to 124394. [2020-12-22 15:37:18,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124394 states. [2020-12-22 15:37:19,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124394 states to 124394 states and 174698 transitions. [2020-12-22 15:37:19,172 INFO L78 Accepts]: Start accepts. Automaton has 124394 states and 174698 transitions. Word has length 321 [2020-12-22 15:37:19,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 15:37:19,175 INFO L481 AbstractCegarLoop]: Abstraction has 124394 states and 174698 transitions. [2020-12-22 15:37:19,175 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 15:37:19,175 INFO L276 IsEmpty]: Start isEmpty. Operand 124394 states and 174698 transitions. [2020-12-22 15:37:19,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2020-12-22 15:37:19,292 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 15:37:19,293 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:37:19,293 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-22 15:37:19,293 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 15:37:19,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 15:37:19,294 INFO L82 PathProgramCache]: Analyzing trace with hash -2146189922, now seen corresponding path program 1 times [2020-12-22 15:37:19,294 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 15:37:19,295 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [860083921] [2020-12-22 15:37:19,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 15:37:19,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 15:37:20,380 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 15:37:20,381 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [860083921] [2020-12-22 15:37:20,381 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 15:37:20,381 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 15:37:20,381 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869085318] [2020-12-22 15:37:20,382 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 15:37:20,382 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 15:37:20,383 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 15:37:20,383 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 15:37:20,383 INFO L87 Difference]: Start difference. First operand 124394 states and 174698 transitions. Second operand 3 states. [2020-12-22 15:37:26,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 15:37:26,635 INFO L93 Difference]: Finished difference Result 289366 states and 406618 transitions. [2020-12-22 15:37:26,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 15:37:26,637 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 322 [2020-12-22 15:37:26,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 15:37:27,287 INFO L225 Difference]: With dead ends: 289366 [2020-12-22 15:37:27,288 INFO L226 Difference]: Without dead ends: 165472 [2020-12-22 15:37:27,461 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 15:37:27,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165472 states. [2020-12-22 15:37:33,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165472 to 165452. [2020-12-22 15:37:33,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 165452 states. [2020-12-22 15:37:33,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165452 states to 165452 states and 232440 transitions. [2020-12-22 15:37:33,596 INFO L78 Accepts]: Start accepts. Automaton has 165452 states and 232440 transitions. Word has length 322 [2020-12-22 15:37:33,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 15:37:33,598 INFO L481 AbstractCegarLoop]: Abstraction has 165452 states and 232440 transitions. [2020-12-22 15:37:33,598 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 15:37:33,598 INFO L276 IsEmpty]: Start isEmpty. Operand 165452 states and 232440 transitions. [2020-12-22 15:37:33,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2020-12-22 15:37:33,747 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 15:37:33,747 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:37:33,748 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-22 15:37:33,748 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 15:37:33,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 15:37:33,749 INFO L82 PathProgramCache]: Analyzing trace with hash 640800545, now seen corresponding path program 1 times [2020-12-22 15:37:33,749 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 15:37:33,749 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [963830435] [2020-12-22 15:37:33,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 15:37:34,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 15:37:34,836 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 15:37:34,836 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [963830435] [2020-12-22 15:37:34,837 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 15:37:34,838 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 15:37:34,842 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [129632106] [2020-12-22 15:37:34,843 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 15:37:34,843 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 15:37:34,844 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 15:37:34,844 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 15:37:34,848 INFO L87 Difference]: Start difference. First operand 165452 states and 232440 transitions. Second operand 3 states. [2020-12-22 15:37:41,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 15:37:41,580 INFO L93 Difference]: Finished difference Result 310304 states and 435420 transitions. [2020-12-22 15:37:41,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 15:37:41,582 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 328 [2020-12-22 15:37:41,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 15:37:41,918 INFO L225 Difference]: With dead ends: 310304 [2020-12-22 15:37:41,919 INFO L226 Difference]: Without dead ends: 145352 [2020-12-22 15:37:42,311 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 15:37:42,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145352 states. [2020-12-22 15:37:46,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145352 to 145304. [2020-12-22 15:37:46,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145304 states. [2020-12-22 15:37:46,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145304 states to 145304 states and 203484 transitions. [2020-12-22 15:37:46,958 INFO L78 Accepts]: Start accepts. Automaton has 145304 states and 203484 transitions. Word has length 328 [2020-12-22 15:37:46,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 15:37:46,959 INFO L481 AbstractCegarLoop]: Abstraction has 145304 states and 203484 transitions. [2020-12-22 15:37:46,959 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 15:37:46,959 INFO L276 IsEmpty]: Start isEmpty. Operand 145304 states and 203484 transitions. [2020-12-22 15:37:47,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2020-12-22 15:37:47,098 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 15:37:47,098 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:37:47,099 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-22 15:37:47,099 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 15:37:47,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 15:37:47,100 INFO L82 PathProgramCache]: Analyzing trace with hash -1385734957, now seen corresponding path program 1 times [2020-12-22 15:37:47,100 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 15:37:47,100 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [984221443] [2020-12-22 15:37:47,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 15:37:47,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 15:37:48,214 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 15:37:48,215 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [984221443] [2020-12-22 15:37:48,215 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 15:37:48,215 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 15:37:48,216 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1225333410] [2020-12-22 15:37:48,216 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 15:37:48,216 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 15:37:48,217 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 15:37:48,218 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 15:37:48,218 INFO L87 Difference]: Start difference. First operand 145304 states and 203484 transitions. Second operand 3 states. [2020-12-22 15:37:54,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 15:37:54,592 INFO L93 Difference]: Finished difference Result 278664 states and 390006 transitions. [2020-12-22 15:37:54,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 15:37:54,593 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 329 [2020-12-22 15:37:54,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 15:37:54,870 INFO L225 Difference]: With dead ends: 278664 [2020-12-22 15:37:54,871 INFO L226 Difference]: Without dead ends: 133860 [2020-12-22 15:37:55,051 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 15:37:55,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133860 states. [2020-12-22 15:37:58,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133860 to 133800. [2020-12-22 15:37:58,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133800 states. [2020-12-22 15:37:58,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133800 states to 133800 states and 187016 transitions. [2020-12-22 15:37:58,519 INFO L78 Accepts]: Start accepts. Automaton has 133800 states and 187016 transitions. Word has length 329 [2020-12-22 15:37:58,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 15:37:58,520 INFO L481 AbstractCegarLoop]: Abstraction has 133800 states and 187016 transitions. [2020-12-22 15:37:58,520 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 15:37:58,520 INFO L276 IsEmpty]: Start isEmpty. Operand 133800 states and 187016 transitions. [2020-12-22 15:37:58,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2020-12-22 15:37:58,604 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 15:37:58,605 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:37:58,605 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-22 15:37:58,605 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 15:37:58,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 15:37:58,606 INFO L82 PathProgramCache]: Analyzing trace with hash -448305631, now seen corresponding path program 1 times [2020-12-22 15:37:58,606 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 15:37:58,606 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [399778463] [2020-12-22 15:37:58,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 15:37:59,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 15:37:59,622 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 15:37:59,623 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [399778463] [2020-12-22 15:37:59,623 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 15:37:59,623 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 15:37:59,624 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2081920317] [2020-12-22 15:37:59,624 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 15:37:59,625 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 15:37:59,625 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 15:37:59,625 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 15:37:59,626 INFO L87 Difference]: Start difference. First operand 133800 states and 187016 transitions. Second operand 3 states.