/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-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--amd--pcnet32.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-22 14:53:42,443 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-22 14:53:42,448 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-22 14:53:42,514 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-22 14:53:42,515 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-22 14:53:42,520 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-22 14:53:42,525 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-22 14:53:42,533 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-22 14:53:42,536 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-22 14:53:42,541 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-22 14:53:42,543 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-22 14:53:42,545 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-22 14:53:42,546 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-22 14:53:42,555 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-22 14:53:42,558 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-22 14:53:42,560 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-22 14:53:42,574 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-22 14:53:42,579 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-22 14:53:42,588 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-22 14:53:42,592 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-22 14:53:42,597 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-22 14:53:42,599 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-22 14:53:42,602 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-22 14:53:42,605 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-22 14:53:42,615 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-22 14:53:42,616 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-22 14:53:42,616 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-22 14:53:42,617 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-22 14:53:42,618 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-22 14:53:42,622 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-22 14:53:42,622 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-22 14:53:42,623 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-22 14:53:42,625 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-22 14:53:42,626 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-22 14:53:42,628 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-22 14:53:42,628 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-22 14:53:42,629 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-22 14:53:42,629 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-22 14:53:42,630 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-22 14:53:42,631 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-22 14:53:42,632 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-22 14:53:42,633 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-22 14:53:42,691 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-22 14:53:42,691 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-22 14:53:42,697 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-22 14:53:42,698 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-22 14:53:42,698 INFO L138 SettingsManager]: * Use SBE=true [2020-12-22 14:53:42,698 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-22 14:53:42,699 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-22 14:53:42,699 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-22 14:53:42,699 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-22 14:53:42,700 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-22 14:53:42,701 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-22 14:53:42,702 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-22 14:53:42,702 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-22 14:53:42,702 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-22 14:53:42,702 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-22 14:53:42,703 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-22 14:53:42,703 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-22 14:53:42,703 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 14:53:42,703 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-22 14:53:42,704 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-22 14:53:42,704 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-22 14:53:42,704 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-22 14:53:42,705 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-22 14:53:42,705 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-22 14:53:42,705 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-22 14:53:42,705 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-22 14:53:43,146 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-22 14:53:43,188 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-22 14:53:43,192 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-22 14:53:43,194 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-22 14:53:43,198 INFO L275 PluginConnector]: CDTParser initialized [2020-12-22 14:53:43,200 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--amd--pcnet32.ko-entry_point.cil.out.i [2020-12-22 14:53:43,307 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1c2668ab5/33e17ab945cf4ef4a296d454bf9c3566/FLAGcedf56600 [2020-12-22 14:53:44,748 INFO L306 CDTParser]: Found 1 translation units. [2020-12-22 14:53:44,751 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--amd--pcnet32.ko-entry_point.cil.out.i [2020-12-22 14:53:44,841 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1c2668ab5/33e17ab945cf4ef4a296d454bf9c3566/FLAGcedf56600 [2020-12-22 14:53:45,359 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1c2668ab5/33e17ab945cf4ef4a296d454bf9c3566 [2020-12-22 14:53:45,363 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-22 14:53:45,367 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-22 14:53:45,370 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-22 14:53:45,370 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-22 14:53:45,374 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-22 14:53:45,375 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 02:53:45" (1/1) ... [2020-12-22 14:53:45,378 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23173a4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:53:45, skipping insertion in model container [2020-12-22 14:53:45,378 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 02:53:45" (1/1) ... [2020-12-22 14:53:45,394 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-22 14:53:45,648 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-22 14:53:48,679 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-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--amd--pcnet32.ko-entry_point.cil.out.i[329649,329662] [2020-12-22 14:53:48,782 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 14:53:48,865 INFO L203 MainTranslator]: Completed pre-run [2020-12-22 14:53:49,535 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-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--amd--pcnet32.ko-entry_point.cil.out.i[329649,329662] [2020-12-22 14:53:49,552 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 14:53:50,393 INFO L208 MainTranslator]: Completed translation [2020-12-22 14:53:50,394 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:53:50 WrapperNode [2020-12-22 14:53:50,394 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-22 14:53:50,396 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-22 14:53:50,396 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-22 14:53:50,396 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-22 14:53:50,407 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:53:50" (1/1) ... [2020-12-22 14:53:50,538 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:53:50" (1/1) ... [2020-12-22 14:53:53,378 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-22 14:53:53,379 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-22 14:53:53,379 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-22 14:53:53,380 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-22 14:53:53,393 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:53:50" (1/1) ... [2020-12-22 14:53:53,393 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:53:50" (1/1) ... [2020-12-22 14:53:54,025 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:53:50" (1/1) ... [2020-12-22 14:53:54,026 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:53:50" (1/1) ... [2020-12-22 14:53:55,181 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:53:50" (1/1) ... [2020-12-22 14:53:55,490 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:53:50" (1/1) ... [2020-12-22 14:53:55,802 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:53:50" (1/1) ... [2020-12-22 14:53:56,543 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-22 14:53:56,545 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-22 14:53:56,546 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-22 14:53:56,546 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-22 14:53:56,547 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:53:50" (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 14:53:56,668 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-12-22 14:53:56,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-12-22 14:53:56,669 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2020-12-22 14:53:56,669 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-22 14:53:56,669 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-12-22 14:53:56,670 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-22 14:53:56,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-12-22 14:53:56,671 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-12-22 14:53:56,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-12-22 14:53:56,672 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-22 14:53:56,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-22 14:53:56,673 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-12-22 14:53:56,674 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2020-12-22 14:53:56,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-12-22 14:53:56,674 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2020-12-22 14:53:56,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-22 14:53:56,674 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-22 14:53:56,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-22 14:54:58,199 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-22 14:54:58,199 INFO L299 CfgBuilder]: Removed 16101 assume(true) statements. [2020-12-22 14:54:58,212 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 02:54:58 BoogieIcfgContainer [2020-12-22 14:54:58,212 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-22 14:54:58,214 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-22 14:54:58,214 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-22 14:54:58,219 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-22 14:54:58,219 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 02:53:45" (1/3) ... [2020-12-22 14:54:58,220 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@441de3d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 02:54:58, skipping insertion in model container [2020-12-22 14:54:58,220 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:53:50" (2/3) ... [2020-12-22 14:54:58,221 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@441de3d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 02:54:58, skipping insertion in model container [2020-12-22 14:54:58,221 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 02:54:58" (3/3) ... [2020-12-22 14:54:58,223 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--amd--pcnet32.ko-entry_point.cil.out.i [2020-12-22 14:54:58,230 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-22 14:54:58,241 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 29 error locations. [2020-12-22 14:54:58,263 INFO L253 AbstractCegarLoop]: Starting to check reachability of 29 error locations. [2020-12-22 14:54:58,325 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 14:54:58,325 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-22 14:54:58,325 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 14:54:58,325 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 14:54:58,326 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 14:54:58,326 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 14:54:58,326 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 14:54:58,326 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 14:54:58,476 INFO L276 IsEmpty]: Start isEmpty. Operand 9912 states. [2020-12-22 14:54:58,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2020-12-22 14:54:58,519 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 14:54:58,520 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] [2020-12-22 14:54:58,522 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_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.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 14:54:58,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 14:54:58,530 INFO L82 PathProgramCache]: Analyzing trace with hash -299569302, now seen corresponding path program 1 times [2020-12-22 14:54:58,541 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 14:54:58,541 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1772800057] [2020-12-22 14:54:58,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 14:54:59,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 14:54:59,627 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 14:54:59,628 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1772800057] [2020-12-22 14:54:59,629 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 14:54:59,629 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 14:54:59,630 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1279778076] [2020-12-22 14:54:59,639 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-22 14:54:59,640 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 14:54:59,660 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-22 14:54:59,661 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-22 14:54:59,664 INFO L87 Difference]: Start difference. First operand 9912 states. Second operand 2 states. [2020-12-22 14:55:00,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 14:55:00,217 INFO L93 Difference]: Finished difference Result 19802 states and 26085 transitions. [2020-12-22 14:55:00,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-22 14:55:00,218 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 191 [2020-12-22 14:55:00,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 14:55:00,311 INFO L225 Difference]: With dead ends: 19802 [2020-12-22 14:55:00,312 INFO L226 Difference]: Without dead ends: 9802 [2020-12-22 14:55:00,350 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-22 14:55:00,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9802 states. [2020-12-22 14:55:00,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9802 to 9802. [2020-12-22 14:55:00,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9802 states. [2020-12-22 14:55:00,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9802 states to 9802 states and 12799 transitions. [2020-12-22 14:55:00,750 INFO L78 Accepts]: Start accepts. Automaton has 9802 states and 12799 transitions. Word has length 191 [2020-12-22 14:55:00,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 14:55:00,750 INFO L481 AbstractCegarLoop]: Abstraction has 9802 states and 12799 transitions. [2020-12-22 14:55:00,751 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-22 14:55:00,751 INFO L276 IsEmpty]: Start isEmpty. Operand 9802 states and 12799 transitions. [2020-12-22 14:55:00,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2020-12-22 14:55:00,770 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 14:55:00,771 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] [2020-12-22 14:55:00,772 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-22 14:55:00,772 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_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.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 14:55:00,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 14:55:00,774 INFO L82 PathProgramCache]: Analyzing trace with hash -1756658342, now seen corresponding path program 1 times [2020-12-22 14:55:00,774 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 14:55:00,775 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [851396336] [2020-12-22 14:55:00,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 14:55:01,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 14:55:01,418 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 14:55:01,419 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [851396336] [2020-12-22 14:55:01,419 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 14:55:01,420 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 14:55:01,420 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1629061932] [2020-12-22 14:55:01,424 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 14:55:01,424 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 14:55:01,425 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 14:55:01,426 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 14:55:01,426 INFO L87 Difference]: Start difference. First operand 9802 states and 12799 transitions. Second operand 3 states. [2020-12-22 14:55:02,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 14:55:02,789 INFO L93 Difference]: Finished difference Result 25781 states and 33726 transitions. [2020-12-22 14:55:02,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 14:55:02,790 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 191 [2020-12-22 14:55:02,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 14:55:02,886 INFO L225 Difference]: With dead ends: 25781 [2020-12-22 14:55:02,886 INFO L226 Difference]: Without dead ends: 16127 [2020-12-22 14:55:03,231 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 14:55:03,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16127 states. [2020-12-22 14:55:03,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16127 to 15267. [2020-12-22 14:55:03,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15267 states. [2020-12-22 14:55:03,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15267 states to 15267 states and 19997 transitions. [2020-12-22 14:55:03,706 INFO L78 Accepts]: Start accepts. Automaton has 15267 states and 19997 transitions. Word has length 191 [2020-12-22 14:55:03,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 14:55:03,708 INFO L481 AbstractCegarLoop]: Abstraction has 15267 states and 19997 transitions. [2020-12-22 14:55:03,708 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 14:55:03,708 INFO L276 IsEmpty]: Start isEmpty. Operand 15267 states and 19997 transitions. [2020-12-22 14:55:03,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2020-12-22 14:55:03,715 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 14:55:03,716 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] [2020-12-22 14:55:03,716 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-22 14:55:03,716 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_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.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 14:55:03,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 14:55:03,717 INFO L82 PathProgramCache]: Analyzing trace with hash -1578754068, now seen corresponding path program 1 times [2020-12-22 14:55:03,717 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 14:55:03,718 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [56383410] [2020-12-22 14:55:03,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 14:55:04,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 14:55:04,596 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 14:55:04,597 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [56383410] [2020-12-22 14:55:04,598 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 14:55:04,598 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 14:55:04,599 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266909215] [2020-12-22 14:55:04,601 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 14:55:04,605 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 14:55:04,606 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 14:55:04,608 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 14:55:04,609 INFO L87 Difference]: Start difference. First operand 15267 states and 19997 transitions. Second operand 3 states. [2020-12-22 14:55:05,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 14:55:05,924 INFO L93 Difference]: Finished difference Result 42281 states and 55406 transitions. [2020-12-22 14:55:05,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 14:55:05,925 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 196 [2020-12-22 14:55:05,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 14:55:06,040 INFO L225 Difference]: With dead ends: 42281 [2020-12-22 14:55:06,041 INFO L226 Difference]: Without dead ends: 27162 [2020-12-22 14:55:06,100 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 14:55:06,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27162 states. [2020-12-22 14:55:07,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27162 to 27126. [2020-12-22 14:55:07,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27126 states. [2020-12-22 14:55:07,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27126 states to 27126 states and 35572 transitions. [2020-12-22 14:55:07,210 INFO L78 Accepts]: Start accepts. Automaton has 27126 states and 35572 transitions. Word has length 196 [2020-12-22 14:55:07,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 14:55:07,211 INFO L481 AbstractCegarLoop]: Abstraction has 27126 states and 35572 transitions. [2020-12-22 14:55:07,211 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 14:55:07,211 INFO L276 IsEmpty]: Start isEmpty. Operand 27126 states and 35572 transitions. [2020-12-22 14:55:07,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2020-12-22 14:55:07,228 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 14:55:07,229 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] [2020-12-22 14:55:07,229 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-22 14:55:07,229 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_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.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 14:55:07,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 14:55:07,230 INFO L82 PathProgramCache]: Analyzing trace with hash -1766880080, now seen corresponding path program 1 times [2020-12-22 14:55:07,231 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 14:55:07,231 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018423198] [2020-12-22 14:55:07,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 14:55:07,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 14:55:07,996 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 14:55:07,996 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2018423198] [2020-12-22 14:55:07,996 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 14:55:07,997 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 14:55:07,997 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [196396305] [2020-12-22 14:55:07,998 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 14:55:07,998 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 14:55:07,999 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 14:55:07,999 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 14:55:08,000 INFO L87 Difference]: Start difference. First operand 27126 states and 35572 transitions. Second operand 3 states. [2020-12-22 14:55:09,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 14:55:09,294 INFO L93 Difference]: Finished difference Result 66358 states and 86977 transitions. [2020-12-22 14:55:09,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 14:55:09,295 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 237 [2020-12-22 14:55:09,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 14:55:09,406 INFO L225 Difference]: With dead ends: 66358 [2020-12-22 14:55:09,406 INFO L226 Difference]: Without dead ends: 39380 [2020-12-22 14:55:09,477 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 14:55:09,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39380 states. [2020-12-22 14:55:10,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39380 to 39320. [2020-12-22 14:55:10,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39320 states. [2020-12-22 14:55:11,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39320 states to 39320 states and 51530 transitions. [2020-12-22 14:55:11,084 INFO L78 Accepts]: Start accepts. Automaton has 39320 states and 51530 transitions. Word has length 237 [2020-12-22 14:55:11,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 14:55:11,085 INFO L481 AbstractCegarLoop]: Abstraction has 39320 states and 51530 transitions. [2020-12-22 14:55:11,086 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 14:55:11,086 INFO L276 IsEmpty]: Start isEmpty. Operand 39320 states and 51530 transitions. [2020-12-22 14:55:11,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2020-12-22 14:55:11,106 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 14:55:11,107 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-12-22 14:55:11,108 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-22 14:55:11,108 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_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.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 14:55:11,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 14:55:11,109 INFO L82 PathProgramCache]: Analyzing trace with hash 1371265079, now seen corresponding path program 1 times [2020-12-22 14:55:11,109 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 14:55:11,115 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1637320365] [2020-12-22 14:55:11,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 14:55:11,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 14:55:12,440 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 14:55:12,440 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1637320365] [2020-12-22 14:55:12,440 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 14:55:12,441 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 14:55:12,441 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307194252] [2020-12-22 14:55:12,442 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 14:55:12,442 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 14:55:12,443 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 14:55:12,443 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 14:55:12,443 INFO L87 Difference]: Start difference. First operand 39320 states and 51530 transitions. Second operand 3 states. [2020-12-22 14:55:13,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 14:55:13,973 INFO L93 Difference]: Finished difference Result 78492 states and 102877 transitions. [2020-12-22 14:55:13,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 14:55:13,974 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 240 [2020-12-22 14:55:13,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 14:55:14,087 INFO L225 Difference]: With dead ends: 78492 [2020-12-22 14:55:14,088 INFO L226 Difference]: Without dead ends: 39320 [2020-12-22 14:55:14,167 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 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 14:55:14,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39320 states. [2020-12-22 14:55:15,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39320 to 39320. [2020-12-22 14:55:15,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39320 states. [2020-12-22 14:55:15,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39320 states to 39320 states and 51526 transitions. [2020-12-22 14:55:15,817 INFO L78 Accepts]: Start accepts. Automaton has 39320 states and 51526 transitions. Word has length 240 [2020-12-22 14:55:15,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 14:55:15,818 INFO L481 AbstractCegarLoop]: Abstraction has 39320 states and 51526 transitions. [2020-12-22 14:55:15,818 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 14:55:15,818 INFO L276 IsEmpty]: Start isEmpty. Operand 39320 states and 51526 transitions. [2020-12-22 14:55:15,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2020-12-22 14:55:15,837 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 14:55:15,838 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-12-22 14:55:15,838 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-22 14:55:15,839 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_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.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 14:55:15,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 14:55:15,839 INFO L82 PathProgramCache]: Analyzing trace with hash -2084668555, now seen corresponding path program 1 times [2020-12-22 14:55:15,840 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 14:55:15,840 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [340593520] [2020-12-22 14:55:15,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 14:55:16,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 14:55:16,808 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 14:55:16,809 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [340593520] [2020-12-22 14:55:16,809 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 14:55:16,809 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 14:55:16,810 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [272552296] [2020-12-22 14:55:16,811 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 14:55:16,811 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 14:55:16,812 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 14:55:16,812 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 14:55:16,812 INFO L87 Difference]: Start difference. First operand 39320 states and 51526 transitions. Second operand 3 states. [2020-12-22 14:55:23,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 14:55:23,301 INFO L93 Difference]: Finished difference Result 92689 states and 121540 transitions. [2020-12-22 14:55:23,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 14:55:23,302 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 240 [2020-12-22 14:55:23,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 14:55:23,491 INFO L225 Difference]: With dead ends: 92689 [2020-12-22 14:55:23,491 INFO L226 Difference]: Without dead ends: 53517 [2020-12-22 14:55:23,611 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 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 14:55:23,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53517 states. [2020-12-22 14:55:25,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53517 to 53461. [2020-12-22 14:55:25,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53461 states. [2020-12-22 14:55:25,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53461 states to 53461 states and 70153 transitions. [2020-12-22 14:55:25,537 INFO L78 Accepts]: Start accepts. Automaton has 53461 states and 70153 transitions. Word has length 240 [2020-12-22 14:55:25,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 14:55:25,541 INFO L481 AbstractCegarLoop]: Abstraction has 53461 states and 70153 transitions. [2020-12-22 14:55:25,541 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 14:55:25,542 INFO L276 IsEmpty]: Start isEmpty. Operand 53461 states and 70153 transitions. [2020-12-22 14:55:25,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2020-12-22 14:55:25,564 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 14:55:25,564 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-12-22 14:55:25,565 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-22 14:55:25,565 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_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.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 14:55:25,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 14:55:25,566 INFO L82 PathProgramCache]: Analyzing trace with hash 994145015, now seen corresponding path program 1 times [2020-12-22 14:55:25,566 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 14:55:25,567 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1436091020] [2020-12-22 14:55:25,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 14:55:25,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 14:55:26,227 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-22 14:55:26,227 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1436091020] [2020-12-22 14:55:26,228 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 14:55:26,228 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 14:55:26,228 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [728061829] [2020-12-22 14:55:26,229 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 14:55:26,229 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 14:55:26,229 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 14:55:26,230 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 14:55:26,230 INFO L87 Difference]: Start difference. First operand 53461 states and 70153 transitions. Second operand 3 states. [2020-12-22 14:55:29,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 14:55:29,782 INFO L93 Difference]: Finished difference Result 159691 states and 209499 transitions. [2020-12-22 14:55:29,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 14:55:29,783 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 240 [2020-12-22 14:55:29,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 14:55:30,103 INFO L225 Difference]: With dead ends: 159691 [2020-12-22 14:55:30,103 INFO L226 Difference]: Without dead ends: 106378 [2020-12-22 14:55:30,256 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 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 14:55:30,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106378 states. [2020-12-22 14:55:32,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106378 to 53473. [2020-12-22 14:55:32,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53473 states. [2020-12-22 14:55:32,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53473 states to 53473 states and 70165 transitions. [2020-12-22 14:55:32,776 INFO L78 Accepts]: Start accepts. Automaton has 53473 states and 70165 transitions. Word has length 240 [2020-12-22 14:55:32,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 14:55:32,777 INFO L481 AbstractCegarLoop]: Abstraction has 53473 states and 70165 transitions. [2020-12-22 14:55:32,777 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 14:55:32,777 INFO L276 IsEmpty]: Start isEmpty. Operand 53473 states and 70165 transitions. [2020-12-22 14:55:32,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2020-12-22 14:55:32,791 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 14:55:32,791 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-12-22 14:55:32,791 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-22 14:55:32,792 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_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.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 14:55:32,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 14:55:32,792 INFO L82 PathProgramCache]: Analyzing trace with hash -1366210311, now seen corresponding path program 1 times [2020-12-22 14:55:32,793 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 14:55:32,793 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [740210662] [2020-12-22 14:55:32,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 14:55:35,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 14:55:35,500 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-22 14:55:35,500 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [740210662] [2020-12-22 14:55:35,501 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 14:55:35,501 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 14:55:35,501 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1130782432] [2020-12-22 14:55:35,502 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 14:55:35,502 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 14:55:35,502 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 14:55:35,502 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 14:55:35,503 INFO L87 Difference]: Start difference. First operand 53473 states and 70165 transitions. Second operand 3 states. [2020-12-22 14:55:38,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 14:55:38,177 INFO L93 Difference]: Finished difference Result 106916 states and 140313 transitions. [2020-12-22 14:55:38,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 14:55:38,178 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 241 [2020-12-22 14:55:38,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 14:55:38,304 INFO L225 Difference]: With dead ends: 106916 [2020-12-22 14:55:38,304 INFO L226 Difference]: Without dead ends: 53487 [2020-12-22 14:55:38,432 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 14:55:38,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53487 states. [2020-12-22 14:55:40,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53487 to 53487. [2020-12-22 14:55:40,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53487 states. [2020-12-22 14:55:40,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53487 states to 53487 states and 70179 transitions. [2020-12-22 14:55:40,458 INFO L78 Accepts]: Start accepts. Automaton has 53487 states and 70179 transitions. Word has length 241 [2020-12-22 14:55:40,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 14:55:40,458 INFO L481 AbstractCegarLoop]: Abstraction has 53487 states and 70179 transitions. [2020-12-22 14:55:40,458 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 14:55:40,458 INFO L276 IsEmpty]: Start isEmpty. Operand 53487 states and 70179 transitions. [2020-12-22 14:55:40,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2020-12-22 14:55:40,472 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 14:55:40,472 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-12-22 14:55:40,472 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-22 14:55:40,473 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_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.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 14:55:40,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 14:55:40,474 INFO L82 PathProgramCache]: Analyzing trace with hash 522644981, now seen corresponding path program 1 times [2020-12-22 14:55:40,474 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 14:55:40,474 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1375125301] [2020-12-22 14:55:40,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 14:55:42,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 14:55:42,305 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-12-22 14:55:42,305 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1375125301] [2020-12-22 14:55:42,306 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 14:55:42,306 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 14:55:42,306 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [127218107] [2020-12-22 14:55:42,307 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 14:55:42,307 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 14:55:42,308 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 14:55:42,308 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 14:55:42,308 INFO L87 Difference]: Start difference. First operand 53487 states and 70179 transitions. Second operand 3 states. [2020-12-22 14:55:44,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 14:55:44,584 INFO L93 Difference]: Finished difference Result 106949 states and 140354 transitions. [2020-12-22 14:55:44,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 14:55:44,585 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 255 [2020-12-22 14:55:44,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 14:55:44,697 INFO L225 Difference]: With dead ends: 106949 [2020-12-22 14:55:44,697 INFO L226 Difference]: Without dead ends: 53510 [2020-12-22 14:55:44,783 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 14:55:44,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53510 states. [2020-12-22 14:55:46,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53510 to 53510. [2020-12-22 14:55:46,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53510 states. [2020-12-22 14:55:46,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53510 states to 53510 states and 70202 transitions. [2020-12-22 14:55:46,580 INFO L78 Accepts]: Start accepts. Automaton has 53510 states and 70202 transitions. Word has length 255 [2020-12-22 14:55:46,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 14:55:46,581 INFO L481 AbstractCegarLoop]: Abstraction has 53510 states and 70202 transitions. [2020-12-22 14:55:46,581 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 14:55:46,581 INFO L276 IsEmpty]: Start isEmpty. Operand 53510 states and 70202 transitions. [2020-12-22 14:55:46,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2020-12-22 14:55:46,595 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 14:55:46,595 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-12-22 14:55:46,595 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-22 14:55:46,596 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_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.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 14:55:46,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 14:55:46,596 INFO L82 PathProgramCache]: Analyzing trace with hash 1674057481, now seen corresponding path program 1 times [2020-12-22 14:55:46,596 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 14:55:46,597 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1513917639] [2020-12-22 14:55:46,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 14:55:48,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 14:55:48,842 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2020-12-22 14:55:48,842 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1513917639] [2020-12-22 14:55:48,843 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 14:55:48,843 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 14:55:48,843 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [28324878] [2020-12-22 14:55:48,844 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 14:55:48,844 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 14:55:48,844 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 14:55:48,845 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 14:55:48,845 INFO L87 Difference]: Start difference. First operand 53510 states and 70202 transitions. Second operand 3 states. [2020-12-22 14:55:50,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 14:55:50,704 INFO L93 Difference]: Finished difference Result 106966 states and 140351 transitions. [2020-12-22 14:55:50,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 14:55:50,705 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 270 [2020-12-22 14:55:50,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 14:55:50,784 INFO L225 Difference]: With dead ends: 106966 [2020-12-22 14:55:50,784 INFO L226 Difference]: Without dead ends: 53516 [2020-12-22 14:55:50,831 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 14:55:51,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53516 states. [2020-12-22 14:55:52,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53516 to 53516. [2020-12-22 14:55:52,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53516 states. [2020-12-22 14:55:52,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53516 states to 53516 states and 70208 transitions. [2020-12-22 14:55:52,608 INFO L78 Accepts]: Start accepts. Automaton has 53516 states and 70208 transitions. Word has length 270 [2020-12-22 14:55:52,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 14:55:52,609 INFO L481 AbstractCegarLoop]: Abstraction has 53516 states and 70208 transitions. [2020-12-22 14:55:52,609 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 14:55:52,616 INFO L276 IsEmpty]: Start isEmpty. Operand 53516 states and 70208 transitions. [2020-12-22 14:55:52,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2020-12-22 14:55:52,630 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 14:55:52,631 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-12-22 14:55:52,631 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-22 14:55:52,631 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_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.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 14:55:52,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 14:55:52,632 INFO L82 PathProgramCache]: Analyzing trace with hash 171901791, now seen corresponding path program 1 times [2020-12-22 14:55:52,632 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 14:55:52,632 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2027453794] [2020-12-22 14:55:52,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 14:55:54,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 14:55:55,101 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2020-12-22 14:55:55,102 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2027453794] [2020-12-22 14:55:55,102 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [52540224] [2020-12-22 14:55:55,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true