/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-SP.epf -i ../../../trunk/examples/svcomp/ldv-races/race-3_2-container_of-global.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-7a177ad [2020-11-09 17:17:56,423 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-09 17:17:56,428 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-09 17:17:56,484 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-09 17:17:56,485 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-09 17:17:56,489 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-09 17:17:56,495 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-09 17:17:56,504 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-09 17:17:56,508 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-09 17:17:56,514 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-09 17:17:56,516 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-09 17:17:56,518 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-09 17:17:56,519 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-09 17:17:56,523 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-09 17:17:56,525 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-09 17:17:56,527 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-09 17:17:56,528 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-09 17:17:56,533 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-09 17:17:56,542 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-09 17:17:56,580 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-09 17:17:56,583 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-09 17:17:56,588 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-09 17:17:56,592 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-09 17:17:56,603 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-09 17:17:56,618 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-09 17:17:56,618 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-09 17:17:56,619 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-09 17:17:56,625 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-09 17:17:56,629 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-09 17:17:56,630 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-09 17:17:56,631 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-09 17:17:56,634 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-09 17:17:56,639 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-09 17:17:56,641 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-09 17:17:56,642 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-09 17:17:56,643 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-09 17:17:56,644 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-09 17:17:56,644 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-09 17:17:56,645 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-09 17:17:56,646 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-09 17:17:56,647 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-09 17:17:56,648 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-SP.epf [2020-11-09 17:17:56,712 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-09 17:17:56,713 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-09 17:17:56,720 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-09 17:17:56,720 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-09 17:17:56,721 INFO L138 SettingsManager]: * Use SBE=true [2020-11-09 17:17:56,721 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-09 17:17:56,721 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-09 17:17:56,722 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-09 17:17:56,722 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-09 17:17:56,722 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-09 17:17:56,724 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-09 17:17:56,724 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-09 17:17:56,724 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-09 17:17:56,725 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-09 17:17:56,725 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-09 17:17:56,725 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-09 17:17:56,725 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-09 17:17:56,726 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-09 17:17:56,726 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-09 17:17:56,726 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-09 17:17:56,727 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-09 17:17:56,727 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-09 17:17:56,727 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-09 17:17:56,727 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-11-09 17:17:56,728 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-09 17:17:56,728 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-09 17:17:56,728 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-09 17:17:56,728 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2020-11-09 17:17:56,729 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-11-09 17:17:56,729 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-09 17:17:56,729 INFO L138 SettingsManager]: * Interpolant automaton=MCR 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-11-09 17:17:57,145 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-09 17:17:57,174 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-09 17:17:57,178 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-09 17:17:57,179 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-09 17:17:57,180 INFO L275 PluginConnector]: CDTParser initialized [2020-11-09 17:17:57,181 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-3_2-container_of-global.i [2020-11-09 17:17:57,261 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9ddf70be9/70a770c006b340aa8025a1e5f0b8832f/FLAG93272ac72 [2020-11-09 17:17:58,103 INFO L306 CDTParser]: Found 1 translation units. [2020-11-09 17:17:58,104 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-3_2-container_of-global.i [2020-11-09 17:17:58,131 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9ddf70be9/70a770c006b340aa8025a1e5f0b8832f/FLAG93272ac72 [2020-11-09 17:17:58,282 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9ddf70be9/70a770c006b340aa8025a1e5f0b8832f [2020-11-09 17:17:58,288 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-09 17:17:58,298 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-11-09 17:17:58,302 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-09 17:17:58,303 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-09 17:17:58,307 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-09 17:17:58,308 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:17:58" (1/1) ... [2020-11-09 17:17:58,313 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4042ade and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:17:58, skipping insertion in model container [2020-11-09 17:17:58,313 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:17:58" (1/1) ... [2020-11-09 17:17:58,323 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-09 17:17:58,415 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-09 17:17:58,614 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2020-11-09 17:17:59,347 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-09 17:17:59,356 INFO L203 MainTranslator]: Completed pre-run [2020-11-09 17:17:59,369 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2020-11-09 17:17:59,437 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-09 17:17:59,889 INFO L208 MainTranslator]: Completed translation [2020-11-09 17:17:59,890 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:17:59 WrapperNode [2020-11-09 17:17:59,892 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-09 17:17:59,896 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-09 17:17:59,896 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-09 17:17:59,896 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-09 17:17:59,905 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:17:59" (1/1) ... [2020-11-09 17:17:59,937 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:17:59" (1/1) ... [2020-11-09 17:17:59,970 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-09 17:17:59,971 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-09 17:17:59,971 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-09 17:17:59,971 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-09 17:17:59,982 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:17:59" (1/1) ... [2020-11-09 17:17:59,983 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:17:59" (1/1) ... [2020-11-09 17:17:59,989 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:17:59" (1/1) ... [2020-11-09 17:17:59,990 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:17:59" (1/1) ... [2020-11-09 17:18:00,006 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:17:59" (1/1) ... [2020-11-09 17:18:00,009 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:17:59" (1/1) ... [2020-11-09 17:18:00,022 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:17:59" (1/1) ... [2020-11-09 17:18:00,030 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-09 17:18:00,042 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-09 17:18:00,042 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-09 17:18:00,042 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-09 17:18:00,043 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:17:59" (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 [2020-11-09 17:18:00,127 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-11-09 17:18:00,128 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-09 17:18:00,128 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-11-09 17:18:00,128 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-09 17:18:00,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-11-09 17:18:00,129 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-09 17:18:00,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-09 17:18:00,130 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2020-11-09 17:18:00,131 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2020-11-09 17:18:00,131 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-09 17:18:00,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-09 17:18:00,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-09 17:18:00,133 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-11-09 17:18:00,919 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-09 17:18:00,919 INFO L298 CfgBuilder]: Removed 36 assume(true) statements. [2020-11-09 17:18:00,922 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:18:00 BoogieIcfgContainer [2020-11-09 17:18:00,922 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-09 17:18:00,924 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-09 17:18:00,924 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-09 17:18:00,927 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-09 17:18:00,928 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 05:17:58" (1/3) ... [2020-11-09 17:18:00,928 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1131696a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:18:00, skipping insertion in model container [2020-11-09 17:18:00,929 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:17:59" (2/3) ... [2020-11-09 17:18:00,929 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1131696a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:18:00, skipping insertion in model container [2020-11-09 17:18:00,929 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:18:00" (3/3) ... [2020-11-09 17:18:00,931 INFO L111 eAbstractionObserver]: Analyzing ICFG race-3_2-container_of-global.i [2020-11-09 17:18:00,947 WARN L168 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-11-09 17:18:00,947 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-11-09 17:18:00,951 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2020-11-09 17:18:00,952 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-11-09 17:18:00,990 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:18:00,990 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:18:00,990 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:18:00,990 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:18:00,991 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:18:00,991 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:18:00,991 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:18:00,991 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:18:00,992 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:18:00,992 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:18:00,992 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:18:00,992 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:18:00,992 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:18:00,993 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:18:00,993 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:18:00,993 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:18:00,993 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:18:00,993 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:18:00,994 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:18:00,994 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:18:00,994 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:18:00,994 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:18:00,994 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:18:00,994 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:18:00,995 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:18:00,995 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:18:00,995 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:18:00,995 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:18:00,996 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:18:00,996 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:18:00,996 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:18:00,996 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:18:00,997 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:18:00,997 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:18:00,997 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:18:00,997 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:18:00,998 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:18:00,998 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:18:00,998 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:18:00,998 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:18:00,999 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:18:00,999 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:18:00,999 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:18:00,999 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:18:00,999 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:18:00,999 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:18:01,000 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:18:01,000 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:18:01,000 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:18:01,000 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:18:01,000 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:18:01,001 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:18:01,001 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:18:01,001 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:18:01,001 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:18:01,001 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:18:01,002 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:18:01,002 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:18:01,002 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:18:01,002 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:18:01,002 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:18:01,003 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:18:01,003 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:18:01,003 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:18:01,003 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:18:01,003 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:18:01,004 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:18:01,004 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:18:01,004 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:18:01,004 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:18:01,005 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:18:01,005 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:18:01,005 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:18:01,005 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:18:01,005 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:18:01,006 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:18:01,008 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:18:01,009 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:18:01,009 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:18:01,009 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:18:01,009 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:18:01,009 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:18:01,010 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:18:01,010 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:18:01,010 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:18:01,015 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:18:01,015 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:18:01,015 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:18:01,016 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:18:01,016 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:18:01,016 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:18:01,016 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:18:01,016 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:18:01,017 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:18:01,030 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2020-11-09 17:18:01,046 INFO L253 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2020-11-09 17:18:01,071 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-09 17:18:01,071 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-09 17:18:01,071 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-11-09 17:18:01,072 INFO L380 AbstractCegarLoop]: Backedges is MCR [2020-11-09 17:18:01,072 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-09 17:18:01,072 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-09 17:18:01,072 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-09 17:18:01,072 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-09 17:18:01,090 INFO L128 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-11-09 17:18:01,091 INFO L135 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 168 places, 178 transitions, 378 flow [2020-11-09 17:18:01,095 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 168 places, 178 transitions, 378 flow [2020-11-09 17:18:01,097 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 168 places, 178 transitions, 378 flow [2020-11-09 17:18:01,175 INFO L129 PetriNetUnfolder]: 19/226 cut-off events. [2020-11-09 17:18:01,175 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2020-11-09 17:18:01,181 INFO L84 FinitePrefix]: Finished finitePrefix Result has 237 conditions, 226 events. 19/226 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 444 event pairs, 0 based on Foata normal form. 0/198 useless extension candidates. Maximal degree in co-relation 126. Up to 4 conditions per place. [2020-11-09 17:18:01,186 INFO L116 LiptonReduction]: Number of co-enabled transitions 1872 [2020-11-09 17:18:04,456 INFO L547 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-11-09 17:18:04,480 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-09 17:18:04,484 INFO L547 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-11-09 17:18:04,505 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-09 17:18:04,507 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-11-09 17:18:04,507 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:95, output treesize:67 [2020-11-09 17:18:04,568 INFO L547 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-11-09 17:18:04,590 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-09 17:18:04,595 INFO L547 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-11-09 17:18:04,610 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-09 17:18:04,611 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-11-09 17:18:04,612 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:95, output treesize:67 [2020-11-09 17:18:06,256 WARN L194 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 51 [2020-11-09 17:18:06,443 WARN L194 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 51 [2020-11-09 17:18:08,989 WARN L194 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 69 [2020-11-09 17:18:09,323 WARN L194 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 69 [2020-11-09 17:18:10,501 WARN L194 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 88 [2020-11-09 17:18:10,518 INFO L547 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-11-09 17:18:10,626 WARN L194 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-11-09 17:18:10,627 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-09 17:18:10,637 INFO L547 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-11-09 17:18:10,725 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-09 17:18:10,727 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-11-09 17:18:10,727 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:163, output treesize:135 [2020-11-09 17:18:11,123 WARN L194 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 88 [2020-11-09 17:18:11,144 INFO L547 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-11-09 17:18:11,248 WARN L194 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-11-09 17:18:11,249 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-09 17:18:11,257 INFO L547 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-11-09 17:18:11,345 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-09 17:18:11,347 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-11-09 17:18:11,347 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:163, output treesize:135 [2020-11-09 17:18:11,774 WARN L194 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 96 [2020-11-09 17:18:11,790 INFO L547 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-11-09 17:18:11,916 WARN L194 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-11-09 17:18:11,918 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-09 17:18:11,932 INFO L547 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-11-09 17:18:12,048 WARN L194 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-11-09 17:18:12,049 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-09 17:18:12,051 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-11-09 17:18:12,051 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:172, output treesize:144 [2020-11-09 17:18:12,175 WARN L194 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-11-09 17:18:12,632 WARN L194 SmtUtils]: Spent 455.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 100 [2020-11-09 17:18:12,646 INFO L547 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-11-09 17:18:12,790 WARN L194 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-11-09 17:18:12,791 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-09 17:18:12,804 INFO L547 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-11-09 17:18:12,924 WARN L194 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-11-09 17:18:12,925 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-09 17:18:12,927 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-11-09 17:18:12,927 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:175, output treesize:147 [2020-11-09 17:18:13,044 WARN L194 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-11-09 17:18:13,453 WARN L194 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 55 [2020-11-09 17:18:13,642 WARN L194 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2020-11-09 17:18:13,752 WARN L194 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2020-11-09 17:18:13,858 WARN L194 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2020-11-09 17:18:13,985 WARN L194 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2020-11-09 17:18:14,294 WARN L194 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 40 [2020-11-09 17:18:14,463 WARN L194 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 52 [2020-11-09 17:18:15,341 WARN L194 SmtUtils]: Spent 805.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 144 [2020-11-09 17:18:15,805 WARN L194 SmtUtils]: Spent 452.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2020-11-09 17:18:16,710 WARN L194 SmtUtils]: Spent 903.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 151 [2020-11-09 17:18:17,154 WARN L194 SmtUtils]: Spent 437.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2020-11-09 17:18:17,477 WARN L194 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 70 [2020-11-09 17:18:17,803 WARN L194 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 82 [2020-11-09 17:18:19,544 WARN L194 SmtUtils]: Spent 1.62 s on a formula simplification. DAG size of input: 173 DAG size of output: 171 [2020-11-09 17:18:19,575 INFO L547 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-11-09 17:18:20,332 WARN L194 SmtUtils]: Spent 756.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2020-11-09 17:18:20,333 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-09 17:18:20,346 INFO L547 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-11-09 17:18:21,062 WARN L194 SmtUtils]: Spent 714.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2020-11-09 17:18:21,062 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-09 17:18:21,064 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2020-11-09 17:18:21,064 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:350, output treesize:362 [2020-11-09 17:18:21,800 WARN L194 SmtUtils]: Spent 734.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2020-11-09 17:18:24,029 WARN L194 SmtUtils]: Spent 2.23 s on a formula simplification. DAG size of input: 185 DAG size of output: 183 [2020-11-09 17:18:24,061 INFO L547 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-11-09 17:18:25,016 WARN L194 SmtUtils]: Spent 954.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2020-11-09 17:18:25,017 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-09 17:18:25,029 INFO L547 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-11-09 17:18:25,925 WARN L194 SmtUtils]: Spent 895.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2020-11-09 17:18:25,926 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-09 17:18:25,927 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2020-11-09 17:18:25,927 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:362, output treesize:374 [2020-11-09 17:18:26,883 WARN L194 SmtUtils]: Spent 954.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2020-11-09 17:18:27,911 WARN L194 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 161 DAG size of output: 159 [2020-11-09 17:18:28,413 WARN L194 SmtUtils]: Spent 494.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2020-11-09 17:18:29,603 WARN L194 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 173 DAG size of output: 171 [2020-11-09 17:18:30,141 WARN L194 SmtUtils]: Spent 532.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2020-11-09 17:18:30,147 INFO L131 LiptonReduction]: Checked pairs total: 3600 [2020-11-09 17:18:30,148 INFO L133 LiptonReduction]: Total number of compositions: 222 [2020-11-09 17:18:30,154 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 34 places, 32 transitions, 86 flow [2020-11-09 17:18:30,168 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 121 states. [2020-11-09 17:18:30,172 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states. [2020-11-09 17:18:30,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2020-11-09 17:18:30,177 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 17:18:30,178 INFO L422 BasicCegarLoop]: trace histogram [1] [2020-11-09 17:18:30,178 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 17:18:30,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 17:18:30,191 INFO L82 PathProgramCache]: Analyzing trace with hash 688, now seen corresponding path program 1 times [2020-11-09 17:18:30,213 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 17:18:30,213 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [990939963] [2020-11-09 17:18:30,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 17:18:30,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 17:18:30,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 17:18:30,445 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [990939963] [2020-11-09 17:18:30,446 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 17:18:30,446 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2020-11-09 17:18:30,447 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1020501100] [2020-11-09 17:18:30,451 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 17:18:30,454 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 17:18:30,467 INFO L252 McrAutomatonBuilder]: Finished intersection with 2 states and 1 transitions. [2020-11-09 17:18:30,468 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 17:18:30,474 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 17:18:30,476 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-09 17:18:30,478 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 17:18:30,505 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-09 17:18:30,507 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-09 17:18:30,509 INFO L87 Difference]: Start difference. First operand 121 states. Second operand 2 states. [2020-11-09 17:18:30,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 17:18:30,544 INFO L93 Difference]: Finished difference Result 119 states and 236 transitions. [2020-11-09 17:18:30,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-09 17:18:30,548 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 1 [2020-11-09 17:18:30,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 17:18:30,565 INFO L225 Difference]: With dead ends: 119 [2020-11-09 17:18:30,565 INFO L226 Difference]: Without dead ends: 108 [2020-11-09 17:18:30,566 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-09 17:18:30,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2020-11-09 17:18:30,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2020-11-09 17:18:30,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2020-11-09 17:18:30,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 213 transitions. [2020-11-09 17:18:30,641 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 213 transitions. Word has length 1 [2020-11-09 17:18:30,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 17:18:30,642 INFO L481 AbstractCegarLoop]: Abstraction has 108 states and 213 transitions. [2020-11-09 17:18:30,642 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-09 17:18:30,642 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 213 transitions. [2020-11-09 17:18:30,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-11-09 17:18:30,643 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 17:18:30,643 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-11-09 17:18:30,644 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-09 17:18:30,644 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 17:18:30,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 17:18:30,649 INFO L82 PathProgramCache]: Analyzing trace with hash 654434250, now seen corresponding path program 1 times [2020-11-09 17:18:30,653 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 17:18:30,654 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1335637140] [2020-11-09 17:18:30,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 17:18:30,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 17:18:30,891 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 17:18:30,891 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1335637140] [2020-11-09 17:18:30,891 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 17:18:30,891 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-09 17:18:30,892 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [102130013] [2020-11-09 17:18:30,892 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 17:18:30,893 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 17:18:30,895 INFO L252 McrAutomatonBuilder]: Finished intersection with 6 states and 5 transitions. [2020-11-09 17:18:30,895 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 17:18:30,895 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 17:18:30,897 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-09 17:18:30,897 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 17:18:30,898 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-09 17:18:30,898 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-09 17:18:30,898 INFO L87 Difference]: Start difference. First operand 108 states and 213 transitions. Second operand 4 states. [2020-11-09 17:18:31,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 17:18:31,075 INFO L93 Difference]: Finished difference Result 146 states and 291 transitions. [2020-11-09 17:18:31,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-09 17:18:31,076 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 5 [2020-11-09 17:18:31,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 17:18:31,080 INFO L225 Difference]: With dead ends: 146 [2020-11-09 17:18:31,083 INFO L226 Difference]: Without dead ends: 146 [2020-11-09 17:18:31,084 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-09 17:18:31,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2020-11-09 17:18:31,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 130. [2020-11-09 17:18:31,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2020-11-09 17:18:31,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 263 transitions. [2020-11-09 17:18:31,114 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 263 transitions. Word has length 5 [2020-11-09 17:18:31,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 17:18:31,115 INFO L481 AbstractCegarLoop]: Abstraction has 130 states and 263 transitions. [2020-11-09 17:18:31,115 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-09 17:18:31,115 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 263 transitions. [2020-11-09 17:18:31,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-11-09 17:18:31,116 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 17:18:31,116 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-11-09 17:18:31,116 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-09 17:18:31,116 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 17:18:31,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 17:18:31,117 INFO L82 PathProgramCache]: Analyzing trace with hash 654434302, now seen corresponding path program 1 times [2020-11-09 17:18:31,118 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 17:18:31,118 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1753537999] [2020-11-09 17:18:31,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 17:18:31,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 17:18:31,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 17:18:31,235 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1753537999] [2020-11-09 17:18:31,235 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 17:18:31,235 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-09 17:18:31,236 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [2042570730] [2020-11-09 17:18:31,236 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 17:18:31,237 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 17:18:31,238 INFO L252 McrAutomatonBuilder]: Finished intersection with 6 states and 5 transitions. [2020-11-09 17:18:31,241 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 17:18:31,242 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 17:18:31,242 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-09 17:18:31,242 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 17:18:31,243 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-09 17:18:31,243 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-09 17:18:31,243 INFO L87 Difference]: Start difference. First operand 130 states and 263 transitions. Second operand 3 states. [2020-11-09 17:18:31,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 17:18:31,327 INFO L93 Difference]: Finished difference Result 160 states and 315 transitions. [2020-11-09 17:18:31,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-09 17:18:31,328 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2020-11-09 17:18:31,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 17:18:31,330 INFO L225 Difference]: With dead ends: 160 [2020-11-09 17:18:31,330 INFO L226 Difference]: Without dead ends: 153 [2020-11-09 17:18:31,330 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 [2020-11-09 17:18:31,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2020-11-09 17:18:31,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 145. [2020-11-09 17:18:31,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states. [2020-11-09 17:18:31,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 297 transitions. [2020-11-09 17:18:31,342 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 297 transitions. Word has length 5 [2020-11-09 17:18:31,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 17:18:31,342 INFO L481 AbstractCegarLoop]: Abstraction has 145 states and 297 transitions. [2020-11-09 17:18:31,342 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-09 17:18:31,342 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 297 transitions. [2020-11-09 17:18:31,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-09 17:18:31,344 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 17:18:31,344 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 17:18:31,344 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-09 17:18:31,344 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 17:18:31,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 17:18:31,345 INFO L82 PathProgramCache]: Analyzing trace with hash -1212118520, now seen corresponding path program 1 times [2020-11-09 17:18:31,346 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 17:18:31,347 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [325080314] [2020-11-09 17:18:31,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 17:18:31,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 17:18:31,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 17:18:31,429 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [325080314] [2020-11-09 17:18:31,429 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 17:18:31,430 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-09 17:18:31,430 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [821150063] [2020-11-09 17:18:31,430 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 17:18:31,431 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 17:18:31,435 INFO L252 McrAutomatonBuilder]: Finished intersection with 11 states and 10 transitions. [2020-11-09 17:18:31,435 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 17:18:31,436 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 17:18:31,436 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-09 17:18:31,437 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 17:18:31,438 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-09 17:18:31,438 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-09 17:18:31,438 INFO L87 Difference]: Start difference. First operand 145 states and 297 transitions. Second operand 3 states. [2020-11-09 17:18:31,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 17:18:31,459 INFO L93 Difference]: Finished difference Result 57 states and 101 transitions. [2020-11-09 17:18:31,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-09 17:18:31,461 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2020-11-09 17:18:31,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 17:18:31,461 INFO L225 Difference]: With dead ends: 57 [2020-11-09 17:18:31,462 INFO L226 Difference]: Without dead ends: 57 [2020-11-09 17:18:31,462 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 [2020-11-09 17:18:31,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2020-11-09 17:18:31,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2020-11-09 17:18:31,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2020-11-09 17:18:31,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 101 transitions. [2020-11-09 17:18:31,468 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 101 transitions. Word has length 10 [2020-11-09 17:18:31,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 17:18:31,469 INFO L481 AbstractCegarLoop]: Abstraction has 57 states and 101 transitions. [2020-11-09 17:18:31,469 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-09 17:18:31,469 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 101 transitions. [2020-11-09 17:18:31,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-09 17:18:31,470 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 17:18:31,470 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 17:18:31,470 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-09 17:18:31,471 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 17:18:31,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 17:18:31,472 INFO L82 PathProgramCache]: Analyzing trace with hash 1197590593, now seen corresponding path program 1 times [2020-11-09 17:18:31,474 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 17:18:31,474 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2004600132] [2020-11-09 17:18:31,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 17:18:31,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 17:18:31,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 17:18:31,912 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2004600132] [2020-11-09 17:18:31,913 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 17:18:31,913 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-09 17:18:31,913 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [602236785] [2020-11-09 17:18:31,913 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 17:18:31,917 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 17:18:31,923 INFO L252 McrAutomatonBuilder]: Finished intersection with 19 states and 20 transitions. [2020-11-09 17:18:31,923 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 17:18:31,936 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-09 17:18:31,939 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-11-09 17:18:31,941 INFO L547 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-11-09 17:18:31,986 INFO L625 ElimStorePlain]: treesize reduction 98, result has 27.4 percent of original size [2020-11-09 17:18:31,987 INFO L515 ElimStorePlain]: Eliminatee |v_#memory_$Pointer$.offset_195| vanished before elimination [2020-11-09 17:18:31,987 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 5 xjuncts. [2020-11-09 17:18:31,987 INFO L244 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:195, output treesize:37 [2020-11-09 17:18:31,997 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 17:18:31,998 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-09 17:18:31,998 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 17:18:32,000 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-09 17:18:32,001 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-11-09 17:18:32,001 INFO L87 Difference]: Start difference. First operand 57 states and 101 transitions. Second operand 7 states. [2020-11-09 17:18:32,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 17:18:32,363 INFO L93 Difference]: Finished difference Result 98 states and 161 transitions. [2020-11-09 17:18:32,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-09 17:18:32,364 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 16 [2020-11-09 17:18:32,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 17:18:32,365 INFO L225 Difference]: With dead ends: 98 [2020-11-09 17:18:32,366 INFO L226 Difference]: Without dead ends: 98 [2020-11-09 17:18:32,366 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=44, Invalid=66, Unknown=0, NotChecked=0, Total=110 [2020-11-09 17:18:32,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2020-11-09 17:18:32,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 74. [2020-11-09 17:18:32,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2020-11-09 17:18:32,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 124 transitions. [2020-11-09 17:18:32,377 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 124 transitions. Word has length 16 [2020-11-09 17:18:32,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 17:18:32,382 INFO L481 AbstractCegarLoop]: Abstraction has 74 states and 124 transitions. [2020-11-09 17:18:32,382 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-09 17:18:32,382 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 124 transitions. [2020-11-09 17:18:32,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-09 17:18:32,383 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 17:18:32,384 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 17:18:32,384 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-09 17:18:32,384 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 17:18:32,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 17:18:32,384 INFO L82 PathProgramCache]: Analyzing trace with hash 1197590631, now seen corresponding path program 1 times [2020-11-09 17:18:32,389 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 17:18:32,389 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1875509276] [2020-11-09 17:18:32,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 17:18:32,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 17:18:33,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 17:18:33,125 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1875509276] [2020-11-09 17:18:33,125 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 17:18:33,125 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-11-09 17:18:33,125 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [569445732] [2020-11-09 17:18:33,125 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 17:18:33,130 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 17:18:33,141 INFO L252 McrAutomatonBuilder]: Finished intersection with 19 states and 20 transitions. [2020-11-09 17:18:33,141 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 17:18:33,161 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-09 17:18:33,162 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-11-09 17:18:33,163 INFO L547 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-11-09 17:18:33,205 INFO L625 ElimStorePlain]: treesize reduction 98, result has 25.2 percent of original size [2020-11-09 17:18:33,206 INFO L515 ElimStorePlain]: Eliminatee |v_#memory_$Pointer$.offset_196| vanished before elimination [2020-11-09 17:18:33,206 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 6 xjuncts. [2020-11-09 17:18:33,206 INFO L244 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:191, output treesize:33 [2020-11-09 17:18:33,207 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 17:18:33,207 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-11-09 17:18:33,207 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 17:18:33,208 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-11-09 17:18:33,208 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-11-09 17:18:33,209 INFO L87 Difference]: Start difference. First operand 74 states and 124 transitions. Second operand 10 states. [2020-11-09 17:18:33,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 17:18:33,702 INFO L93 Difference]: Finished difference Result 88 states and 141 transitions. [2020-11-09 17:18:33,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-09 17:18:33,703 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 16 [2020-11-09 17:18:33,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 17:18:33,704 INFO L225 Difference]: With dead ends: 88 [2020-11-09 17:18:33,704 INFO L226 Difference]: Without dead ends: 77 [2020-11-09 17:18:33,704 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2020-11-09 17:18:33,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2020-11-09 17:18:33,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 72. [2020-11-09 17:18:33,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2020-11-09 17:18:33,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 120 transitions. [2020-11-09 17:18:33,711 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 120 transitions. Word has length 16 [2020-11-09 17:18:33,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 17:18:33,711 INFO L481 AbstractCegarLoop]: Abstraction has 72 states and 120 transitions. [2020-11-09 17:18:33,711 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-11-09 17:18:33,711 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 120 transitions. [2020-11-09 17:18:33,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-09 17:18:33,713 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 17:18:33,714 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 17:18:33,714 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-09 17:18:33,716 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 17:18:33,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 17:18:33,717 INFO L82 PathProgramCache]: Analyzing trace with hash -1365975115, now seen corresponding path program 2 times [2020-11-09 17:18:33,719 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 17:18:33,720 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [787792322] [2020-11-09 17:18:33,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 17:18:33,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 17:18:34,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 17:18:34,442 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [787792322] [2020-11-09 17:18:34,442 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 17:18:34,442 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-11-09 17:18:34,443 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [701584993] [2020-11-09 17:18:34,443 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 17:18:34,448 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 17:18:34,454 INFO L252 McrAutomatonBuilder]: Finished intersection with 18 states and 18 transitions. [2020-11-09 17:18:34,454 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 17:18:34,457 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 17:18:34,457 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-11-09 17:18:34,457 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 17:18:34,458 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-11-09 17:18:34,458 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-11-09 17:18:34,458 INFO L87 Difference]: Start difference. First operand 72 states and 120 transitions. Second operand 10 states. [2020-11-09 17:18:34,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 17:18:34,992 INFO L93 Difference]: Finished difference Result 77 states and 127 transitions. [2020-11-09 17:18:34,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-09 17:18:34,993 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 16 [2020-11-09 17:18:34,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 17:18:34,994 INFO L225 Difference]: With dead ends: 77 [2020-11-09 17:18:34,994 INFO L226 Difference]: Without dead ends: 62 [2020-11-09 17:18:34,995 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2020-11-09 17:18:34,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2020-11-09 17:18:34,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 57. [2020-11-09 17:18:34,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2020-11-09 17:18:34,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 99 transitions. [2020-11-09 17:18:34,999 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 99 transitions. Word has length 16 [2020-11-09 17:18:34,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 17:18:34,999 INFO L481 AbstractCegarLoop]: Abstraction has 57 states and 99 transitions. [2020-11-09 17:18:35,000 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-11-09 17:18:35,000 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 99 transitions. [2020-11-09 17:18:35,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-09 17:18:35,000 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 17:18:35,001 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 17:18:35,001 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-09 17:18:35,001 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 17:18:35,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 17:18:35,001 INFO L82 PathProgramCache]: Analyzing trace with hash -1825504767, now seen corresponding path program 2 times [2020-11-09 17:18:35,016 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 17:18:35,016 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1298109175] [2020-11-09 17:18:35,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 17:18:35,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 17:18:35,354 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 17:18:35,354 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1298109175] [2020-11-09 17:18:35,355 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 17:18:35,355 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-09 17:18:35,355 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1677806694] [2020-11-09 17:18:35,355 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 17:18:35,359 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 17:18:35,365 INFO L252 McrAutomatonBuilder]: Finished intersection with 17 states and 16 transitions. [2020-11-09 17:18:35,365 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 17:18:35,366 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 17:18:35,366 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-09 17:18:35,366 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 17:18:35,367 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-09 17:18:35,367 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-11-09 17:18:35,367 INFO L87 Difference]: Start difference. First operand 57 states and 99 transitions. Second operand 7 states. [2020-11-09 17:18:35,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 17:18:35,755 INFO L93 Difference]: Finished difference Result 86 states and 145 transitions. [2020-11-09 17:18:35,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-09 17:18:35,759 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 16 [2020-11-09 17:18:35,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 17:18:35,760 INFO L225 Difference]: With dead ends: 86 [2020-11-09 17:18:35,761 INFO L226 Difference]: Without dead ends: 86 [2020-11-09 17:18:35,761 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2020-11-09 17:18:35,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2020-11-09 17:18:35,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 70. [2020-11-09 17:18:35,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2020-11-09 17:18:35,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 116 transitions. [2020-11-09 17:18:35,782 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 116 transitions. Word has length 16 [2020-11-09 17:18:35,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 17:18:35,782 INFO L481 AbstractCegarLoop]: Abstraction has 70 states and 116 transitions. [2020-11-09 17:18:35,782 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-09 17:18:35,782 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 116 transitions. [2020-11-09 17:18:35,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-09 17:18:35,783 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 17:18:35,783 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 17:18:35,783 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-09 17:18:35,784 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 17:18:35,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 17:18:35,784 INFO L82 PathProgramCache]: Analyzing trace with hash -1825504729, now seen corresponding path program 3 times [2020-11-09 17:18:35,788 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 17:18:35,788 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [170268928] [2020-11-09 17:18:35,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 17:18:35,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 17:18:36,394 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 17:18:36,395 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [170268928] [2020-11-09 17:18:36,395 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 17:18:36,395 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-11-09 17:18:36,396 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [349076825] [2020-11-09 17:18:36,396 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 17:18:36,399 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 17:18:36,404 INFO L252 McrAutomatonBuilder]: Finished intersection with 17 states and 16 transitions. [2020-11-09 17:18:36,404 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 17:18:36,405 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 17:18:36,405 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-11-09 17:18:36,405 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 17:18:36,406 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-11-09 17:18:36,406 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-11-09 17:18:36,406 INFO L87 Difference]: Start difference. First operand 70 states and 116 transitions. Second operand 10 states. [2020-11-09 17:18:36,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 17:18:36,926 INFO L93 Difference]: Finished difference Result 91 states and 146 transitions. [2020-11-09 17:18:36,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-09 17:18:36,926 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 16 [2020-11-09 17:18:36,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 17:18:36,928 INFO L225 Difference]: With dead ends: 91 [2020-11-09 17:18:36,928 INFO L226 Difference]: Without dead ends: 70 [2020-11-09 17:18:36,928 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2020-11-09 17:18:36,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2020-11-09 17:18:36,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 66. [2020-11-09 17:18:36,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2020-11-09 17:18:36,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 108 transitions. [2020-11-09 17:18:36,932 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 108 transitions. Word has length 16 [2020-11-09 17:18:36,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 17:18:36,932 INFO L481 AbstractCegarLoop]: Abstraction has 66 states and 108 transitions. [2020-11-09 17:18:36,932 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-11-09 17:18:36,933 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 108 transitions. [2020-11-09 17:18:36,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-09 17:18:36,933 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 17:18:36,934 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 17:18:36,934 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-09 17:18:36,934 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 17:18:36,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 17:18:36,934 INFO L82 PathProgramCache]: Analyzing trace with hash -1400756409, now seen corresponding path program 3 times [2020-11-09 17:18:36,936 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 17:18:36,936 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1402189590] [2020-11-09 17:18:36,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 17:18:36,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 17:18:37,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 17:18:37,374 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1402189590] [2020-11-09 17:18:37,374 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 17:18:37,374 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-09 17:18:37,374 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [973267310] [2020-11-09 17:18:37,374 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 17:18:37,377 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 17:18:37,382 INFO L252 McrAutomatonBuilder]: Finished intersection with 20 states and 22 transitions. [2020-11-09 17:18:37,383 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 17:18:37,409 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-09 17:18:37,410 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-11-09 17:18:37,412 INFO L547 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-11-09 17:18:37,458 INFO L625 ElimStorePlain]: treesize reduction 98, result has 27.4 percent of original size [2020-11-09 17:18:37,459 INFO L515 ElimStorePlain]: Eliminatee |v_#memory_$Pointer$.base_197| vanished before elimination [2020-11-09 17:18:37,459 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 5 xjuncts. [2020-11-09 17:18:37,459 INFO L244 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:195, output treesize:37 [2020-11-09 17:18:37,509 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-09 17:18:37,513 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-11-09 17:18:37,515 INFO L547 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-11-09 17:18:37,516 INFO L547 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-11-09 17:18:37,518 INFO L547 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2020-11-09 17:18:37,582 INFO L625 ElimStorePlain]: treesize reduction 177, result has 20.6 percent of original size [2020-11-09 17:18:37,583 INFO L515 ElimStorePlain]: Eliminatee |v_#memory_$Pointer$.base_198| vanished before elimination [2020-11-09 17:18:37,583 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 7 xjuncts. [2020-11-09 17:18:37,583 INFO L244 ElimStorePlain]: Needed 6 recursive calls to eliminate 2 variables, input treesize:323, output treesize:46 [2020-11-09 17:18:37,595 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 17:18:37,595 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-09 17:18:37,596 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 17:18:37,597 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-09 17:18:37,597 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-11-09 17:18:37,597 INFO L87 Difference]: Start difference. First operand 66 states and 108 transitions. Second operand 9 states. [2020-11-09 17:18:38,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 17:18:38,210 INFO L93 Difference]: Finished difference Result 118 states and 181 transitions. [2020-11-09 17:18:38,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-11-09 17:18:38,211 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 16 [2020-11-09 17:18:38,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 17:18:38,212 INFO L225 Difference]: With dead ends: 118 [2020-11-09 17:18:38,212 INFO L226 Difference]: Without dead ends: 118 [2020-11-09 17:18:38,212 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=75, Invalid=135, Unknown=0, NotChecked=0, Total=210 [2020-11-09 17:18:38,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2020-11-09 17:18:38,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 77. [2020-11-09 17:18:38,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2020-11-09 17:18:38,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 128 transitions. [2020-11-09 17:18:38,217 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 128 transitions. Word has length 16 [2020-11-09 17:18:38,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 17:18:38,218 INFO L481 AbstractCegarLoop]: Abstraction has 77 states and 128 transitions. [2020-11-09 17:18:38,218 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-11-09 17:18:38,218 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 128 transitions. [2020-11-09 17:18:38,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-09 17:18:38,221 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 17:18:38,221 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 17:18:38,221 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-09 17:18:38,222 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 17:18:38,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 17:18:38,222 INFO L82 PathProgramCache]: Analyzing trace with hash -1400756371, now seen corresponding path program 4 times [2020-11-09 17:18:38,225 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 17:18:38,225 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2040558511] [2020-11-09 17:18:38,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 17:18:38,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 17:18:38,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 17:18:38,849 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2040558511] [2020-11-09 17:18:38,850 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 17:18:38,850 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-11-09 17:18:38,850 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1193164715] [2020-11-09 17:18:38,850 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 17:18:38,853 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 17:18:38,858 INFO L252 McrAutomatonBuilder]: Finished intersection with 20 states and 22 transitions. [2020-11-09 17:18:38,858 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 17:18:38,882 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-09 17:18:38,886 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-11-09 17:18:38,888 INFO L547 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-11-09 17:18:38,935 INFO L625 ElimStorePlain]: treesize reduction 98, result has 25.2 percent of original size [2020-11-09 17:18:38,935 INFO L515 ElimStorePlain]: Eliminatee |v_#memory_$Pointer$.base_199| vanished before elimination [2020-11-09 17:18:38,935 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 6 xjuncts. [2020-11-09 17:18:38,936 INFO L244 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:191, output treesize:33 [2020-11-09 17:18:38,951 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-09 17:18:38,958 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-11-09 17:18:38,960 INFO L547 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-11-09 17:18:38,962 INFO L547 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-11-09 17:18:38,964 INFO L547 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2020-11-09 17:18:38,968 INFO L547 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2020-11-09 17:18:39,044 INFO L625 ElimStorePlain]: treesize reduction 194, result has 13.4 percent of original size [2020-11-09 17:18:39,045 INFO L515 ElimStorePlain]: Eliminatee |v_#memory_$Pointer$.offset_200| vanished before elimination [2020-11-09 17:18:39,045 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 7 xjuncts. [2020-11-09 17:18:39,045 INFO L244 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:344, output treesize:30 [2020-11-09 17:18:39,046 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 17:18:39,046 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-11-09 17:18:39,046 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 17:18:39,047 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-11-09 17:18:39,047 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-11-09 17:18:39,047 INFO L87 Difference]: Start difference. First operand 77 states and 128 transitions. Second operand 10 states. [2020-11-09 17:18:39,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 17:18:39,495 INFO L93 Difference]: Finished difference Result 110 states and 181 transitions. [2020-11-09 17:18:39,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-09 17:18:39,495 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 16 [2020-11-09 17:18:39,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 17:18:39,496 INFO L225 Difference]: With dead ends: 110 [2020-11-09 17:18:39,497 INFO L226 Difference]: Without dead ends: 99 [2020-11-09 17:18:39,497 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2020-11-09 17:18:39,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2020-11-09 17:18:39,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 81. [2020-11-09 17:18:39,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2020-11-09 17:18:39,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 136 transitions. [2020-11-09 17:18:39,502 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 136 transitions. Word has length 16 [2020-11-09 17:18:39,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 17:18:39,505 INFO L481 AbstractCegarLoop]: Abstraction has 81 states and 136 transitions. [2020-11-09 17:18:39,505 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-11-09 17:18:39,505 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 136 transitions. [2020-11-09 17:18:39,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-09 17:18:39,507 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 17:18:39,507 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 17:18:39,509 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-11-09 17:18:39,509 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 17:18:39,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 17:18:39,510 INFO L82 PathProgramCache]: Analyzing trace with hash 330645179, now seen corresponding path program 5 times [2020-11-09 17:18:39,511 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 17:18:39,512 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1863170447] [2020-11-09 17:18:39,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 17:18:39,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 17:18:40,130 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 17:18:40,131 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1863170447] [2020-11-09 17:18:40,131 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 17:18:40,131 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-11-09 17:18:40,131 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1965463602] [2020-11-09 17:18:40,131 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 17:18:40,134 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 17:18:40,138 INFO L252 McrAutomatonBuilder]: Finished intersection with 19 states and 20 transitions. [2020-11-09 17:18:40,138 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 17:18:40,155 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-09 17:18:40,156 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-11-09 17:18:40,160 INFO L547 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-11-09 17:18:40,167 INFO L547 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-11-09 17:18:40,171 INFO L547 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2020-11-09 17:18:40,173 INFO L547 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2020-11-09 17:18:40,250 INFO L625 ElimStorePlain]: treesize reduction 194, result has 13.4 percent of original size [2020-11-09 17:18:40,250 INFO L515 ElimStorePlain]: Eliminatee |v_#memory_$Pointer$.offset_201| vanished before elimination [2020-11-09 17:18:40,250 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 7 xjuncts. [2020-11-09 17:18:40,251 INFO L244 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:344, output treesize:30 [2020-11-09 17:18:40,251 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 17:18:40,251 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-11-09 17:18:40,252 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 17:18:40,252 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-11-09 17:18:40,252 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-11-09 17:18:40,253 INFO L87 Difference]: Start difference. First operand 81 states and 136 transitions. Second operand 10 states. [2020-11-09 17:18:40,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 17:18:40,735 INFO L93 Difference]: Finished difference Result 116 states and 191 transitions. [2020-11-09 17:18:40,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-09 17:18:40,737 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 16 [2020-11-09 17:18:40,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 17:18:40,738 INFO L225 Difference]: With dead ends: 116 [2020-11-09 17:18:40,738 INFO L226 Difference]: Without dead ends: 101 [2020-11-09 17:18:40,738 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2020-11-09 17:18:40,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2020-11-09 17:18:40,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 79. [2020-11-09 17:18:40,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2020-11-09 17:18:40,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 132 transitions. [2020-11-09 17:18:40,742 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 132 transitions. Word has length 16 [2020-11-09 17:18:40,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 17:18:40,743 INFO L481 AbstractCegarLoop]: Abstraction has 79 states and 132 transitions. [2020-11-09 17:18:40,743 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-11-09 17:18:40,743 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 132 transitions. [2020-11-09 17:18:40,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-09 17:18:40,743 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 17:18:40,743 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 17:18:40,744 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-11-09 17:18:40,744 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 17:18:40,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 17:18:40,744 INFO L82 PathProgramCache]: Analyzing trace with hash -1002549257, now seen corresponding path program 6 times [2020-11-09 17:18:40,753 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 17:18:40,753 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [481046025] [2020-11-09 17:18:40,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 17:18:40,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 17:18:41,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 17:18:41,343 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [481046025] [2020-11-09 17:18:41,343 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 17:18:41,343 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-11-09 17:18:41,343 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [346453257] [2020-11-09 17:18:41,343 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 17:18:41,346 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 17:18:41,349 INFO L252 McrAutomatonBuilder]: Finished intersection with 20 states and 22 transitions. [2020-11-09 17:18:41,350 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 17:18:41,368 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-09 17:18:41,369 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-11-09 17:18:41,377 INFO L547 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-11-09 17:18:41,429 INFO L625 ElimStorePlain]: treesize reduction 98, result has 25.2 percent of original size [2020-11-09 17:18:41,429 INFO L515 ElimStorePlain]: Eliminatee |v_#memory_$Pointer$.offset_202| vanished before elimination [2020-11-09 17:18:41,430 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 6 xjuncts. [2020-11-09 17:18:41,430 INFO L244 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:191, output treesize:33 [2020-11-09 17:18:41,448 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-09 17:18:41,450 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-11-09 17:18:41,451 INFO L547 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-11-09 17:18:41,473 INFO L547 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-11-09 17:18:41,475 INFO L547 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2020-11-09 17:18:41,477 INFO L547 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2020-11-09 17:18:41,539 INFO L625 ElimStorePlain]: treesize reduction 194, result has 13.4 percent of original size [2020-11-09 17:18:41,539 INFO L515 ElimStorePlain]: Eliminatee |v_#memory_$Pointer$.base_203| vanished before elimination [2020-11-09 17:18:41,540 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 7 xjuncts. [2020-11-09 17:18:41,540 INFO L244 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:344, output treesize:30 [2020-11-09 17:18:41,541 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 17:18:41,541 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-11-09 17:18:41,541 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 17:18:41,542 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-11-09 17:18:41,542 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-11-09 17:18:41,542 INFO L87 Difference]: Start difference. First operand 79 states and 132 transitions. Second operand 10 states. [2020-11-09 17:18:41,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 17:18:41,940 INFO L93 Difference]: Finished difference Result 104 states and 167 transitions. [2020-11-09 17:18:41,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-09 17:18:41,941 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 16 [2020-11-09 17:18:41,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 17:18:41,943 INFO L225 Difference]: With dead ends: 104 [2020-11-09 17:18:41,943 INFO L226 Difference]: Without dead ends: 93 [2020-11-09 17:18:41,943 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2020-11-09 17:18:41,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2020-11-09 17:18:41,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 81. [2020-11-09 17:18:41,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2020-11-09 17:18:41,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 134 transitions. [2020-11-09 17:18:41,948 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 134 transitions. Word has length 16 [2020-11-09 17:18:41,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 17:18:41,948 INFO L481 AbstractCegarLoop]: Abstraction has 81 states and 134 transitions. [2020-11-09 17:18:41,948 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-11-09 17:18:41,949 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 134 transitions. [2020-11-09 17:18:41,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-09 17:18:41,949 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 17:18:41,949 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 17:18:41,949 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-11-09 17:18:41,950 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 17:18:41,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 17:18:41,950 INFO L82 PathProgramCache]: Analyzing trace with hash 615893921, now seen corresponding path program 7 times [2020-11-09 17:18:41,956 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 17:18:41,957 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1245020037] [2020-11-09 17:18:41,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 17:18:42,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 17:18:42,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 17:18:42,632 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1245020037] [2020-11-09 17:18:42,633 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 17:18:42,633 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-11-09 17:18:42,633 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1712951568] [2020-11-09 17:18:42,633 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 17:18:42,636 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 17:18:42,640 INFO L252 McrAutomatonBuilder]: Finished intersection with 19 states and 20 transitions. [2020-11-09 17:18:42,640 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 17:18:42,652 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-09 17:18:42,656 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-11-09 17:18:42,658 INFO L547 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-11-09 17:18:42,659 INFO L547 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-11-09 17:18:42,660 INFO L547 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2020-11-09 17:18:42,661 INFO L547 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2020-11-09 17:18:42,724 INFO L625 ElimStorePlain]: treesize reduction 194, result has 13.4 percent of original size [2020-11-09 17:18:42,724 INFO L515 ElimStorePlain]: Eliminatee |v_#memory_$Pointer$.base_204| vanished before elimination [2020-11-09 17:18:42,725 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 7 xjuncts. [2020-11-09 17:18:42,725 INFO L244 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:344, output treesize:30 [2020-11-09 17:18:42,725 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 17:18:42,725 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-11-09 17:18:42,726 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 17:18:42,728 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-11-09 17:18:42,728 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-11-09 17:18:42,728 INFO L87 Difference]: Start difference. First operand 81 states and 134 transitions. Second operand 10 states. [2020-11-09 17:18:43,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 17:18:43,243 INFO L93 Difference]: Finished difference Result 110 states and 177 transitions. [2020-11-09 17:18:43,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-09 17:18:43,244 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 16 [2020-11-09 17:18:43,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 17:18:43,245 INFO L225 Difference]: With dead ends: 110 [2020-11-09 17:18:43,245 INFO L226 Difference]: Without dead ends: 95 [2020-11-09 17:18:43,246 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2020-11-09 17:18:43,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2020-11-09 17:18:43,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 79. [2020-11-09 17:18:43,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2020-11-09 17:18:43,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 130 transitions. [2020-11-09 17:18:43,250 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 130 transitions. Word has length 16 [2020-11-09 17:18:43,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 17:18:43,250 INFO L481 AbstractCegarLoop]: Abstraction has 79 states and 130 transitions. [2020-11-09 17:18:43,250 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-11-09 17:18:43,250 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 130 transitions. [2020-11-09 17:18:43,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-09 17:18:43,251 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 17:18:43,251 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 17:18:43,251 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-11-09 17:18:43,251 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 17:18:43,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 17:18:43,252 INFO L82 PathProgramCache]: Analyzing trace with hash -1037223855, now seen corresponding path program 8 times [2020-11-09 17:18:43,257 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 17:18:43,257 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1768129088] [2020-11-09 17:18:43,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 17:18:43,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 17:18:43,889 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 17:18:43,890 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1768129088] [2020-11-09 17:18:43,890 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 17:18:43,890 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-11-09 17:18:43,890 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1467331485] [2020-11-09 17:18:43,890 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 17:18:43,893 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 17:18:43,896 INFO L252 McrAutomatonBuilder]: Finished intersection with 18 states and 18 transitions. [2020-11-09 17:18:43,896 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 17:18:43,904 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 17:18:43,904 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-11-09 17:18:43,904 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 17:18:43,905 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-11-09 17:18:43,905 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-11-09 17:18:43,905 INFO L87 Difference]: Start difference. First operand 79 states and 130 transitions. Second operand 10 states. [2020-11-09 17:18:44,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 17:18:44,378 INFO L93 Difference]: Finished difference Result 99 states and 159 transitions. [2020-11-09 17:18:44,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-09 17:18:44,379 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 16 [2020-11-09 17:18:44,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 17:18:44,380 INFO L225 Difference]: With dead ends: 99 [2020-11-09 17:18:44,380 INFO L226 Difference]: Without dead ends: 86 [2020-11-09 17:18:44,380 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2020-11-09 17:18:44,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2020-11-09 17:18:44,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 80. [2020-11-09 17:18:44,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2020-11-09 17:18:44,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 131 transitions. [2020-11-09 17:18:44,384 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 131 transitions. Word has length 16 [2020-11-09 17:18:44,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 17:18:44,384 INFO L481 AbstractCegarLoop]: Abstraction has 80 states and 131 transitions. [2020-11-09 17:18:44,384 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-11-09 17:18:44,384 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 131 transitions. [2020-11-09 17:18:44,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-09 17:18:44,385 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 17:18:44,385 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 17:18:44,385 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-11-09 17:18:44,385 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 17:18:44,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 17:18:44,386 INFO L82 PathProgramCache]: Analyzing trace with hash -1150182227, now seen corresponding path program 9 times [2020-11-09 17:18:44,393 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 17:18:44,393 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100694915] [2020-11-09 17:18:44,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 17:18:44,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 17:18:44,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 17:18:44,974 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [100694915] [2020-11-09 17:18:44,974 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 17:18:44,975 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-11-09 17:18:44,975 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [928623622] [2020-11-09 17:18:44,975 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 17:18:44,978 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 17:18:44,982 INFO L252 McrAutomatonBuilder]: Finished intersection with 18 states and 18 transitions. [2020-11-09 17:18:44,983 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 17:18:44,986 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 17:18:44,986 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-11-09 17:18:44,986 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 17:18:44,987 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-11-09 17:18:44,987 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-11-09 17:18:44,987 INFO L87 Difference]: Start difference. First operand 80 states and 131 transitions. Second operand 10 states. [2020-11-09 17:18:45,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 17:18:45,497 INFO L93 Difference]: Finished difference Result 95 states and 151 transitions. [2020-11-09 17:18:45,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-09 17:18:45,498 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 16 [2020-11-09 17:18:45,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 17:18:45,499 INFO L225 Difference]: With dead ends: 95 [2020-11-09 17:18:45,499 INFO L226 Difference]: Without dead ends: 79 [2020-11-09 17:18:45,499 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2020-11-09 17:18:45,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2020-11-09 17:18:45,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 77. [2020-11-09 17:18:45,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2020-11-09 17:18:45,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 126 transitions. [2020-11-09 17:18:45,502 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 126 transitions. Word has length 16 [2020-11-09 17:18:45,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 17:18:45,502 INFO L481 AbstractCegarLoop]: Abstraction has 77 states and 126 transitions. [2020-11-09 17:18:45,503 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-11-09 17:18:45,503 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 126 transitions. [2020-11-09 17:18:45,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-09 17:18:45,503 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 17:18:45,503 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 17:18:45,503 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-11-09 17:18:45,504 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 17:18:45,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 17:18:45,504 INFO L82 PathProgramCache]: Analyzing trace with hash -123632883, now seen corresponding path program 10 times [2020-11-09 17:18:45,506 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 17:18:45,506 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [302341718] [2020-11-09 17:18:45,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 17:18:45,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 17:18:46,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 17:18:46,216 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [302341718] [2020-11-09 17:18:46,216 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 17:18:46,216 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-11-09 17:18:46,216 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [602792601] [2020-11-09 17:18:46,216 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 17:18:46,219 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 17:18:46,222 INFO L252 McrAutomatonBuilder]: Finished intersection with 17 states and 16 transitions. [2020-11-09 17:18:46,223 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 17:18:46,223 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 17:18:46,223 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-11-09 17:18:46,223 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 17:18:46,224 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-11-09 17:18:46,224 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-11-09 17:18:46,224 INFO L87 Difference]: Start difference. First operand 77 states and 126 transitions. Second operand 10 states. [2020-11-09 17:18:46,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 17:18:46,710 INFO L93 Difference]: Finished difference Result 99 states and 158 transitions. [2020-11-09 17:18:46,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-09 17:18:46,711 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 16 [2020-11-09 17:18:46,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 17:18:46,712 INFO L225 Difference]: With dead ends: 99 [2020-11-09 17:18:46,713 INFO L226 Difference]: Without dead ends: 82 [2020-11-09 17:18:46,713 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2020-11-09 17:18:46,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2020-11-09 17:18:46,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 77. [2020-11-09 17:18:46,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2020-11-09 17:18:46,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 125 transitions. [2020-11-09 17:18:46,717 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 125 transitions. Word has length 16 [2020-11-09 17:18:46,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 17:18:46,717 INFO L481 AbstractCegarLoop]: Abstraction has 77 states and 125 transitions. [2020-11-09 17:18:46,717 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-11-09 17:18:46,717 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 125 transitions. [2020-11-09 17:18:46,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-09 17:18:46,718 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 17:18:46,723 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 17:18:46,723 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-11-09 17:18:46,724 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 17:18:46,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 17:18:46,725 INFO L82 PathProgramCache]: Analyzing trace with hash -1031972303, now seen corresponding path program 11 times [2020-11-09 17:18:46,735 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 17:18:46,735 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1064340607] [2020-11-09 17:18:46,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 17:18:46,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 17:18:47,329 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 17:18:47,329 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1064340607] [2020-11-09 17:18:47,330 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 17:18:47,330 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-11-09 17:18:47,330 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1245747916] [2020-11-09 17:18:47,330 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 17:18:47,333 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 17:18:47,337 INFO L252 McrAutomatonBuilder]: Finished intersection with 17 states and 16 transitions. [2020-11-09 17:18:47,337 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 17:18:47,338 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 17:18:47,338 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-11-09 17:18:47,338 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 17:18:47,339 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-11-09 17:18:47,339 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-11-09 17:18:47,339 INFO L87 Difference]: Start difference. First operand 77 states and 125 transitions. Second operand 10 states. [2020-11-09 17:18:47,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 17:18:47,846 INFO L93 Difference]: Finished difference Result 96 states and 152 transitions. [2020-11-09 17:18:47,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-09 17:18:47,847 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 16 [2020-11-09 17:18:47,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 17:18:47,848 INFO L225 Difference]: With dead ends: 96 [2020-11-09 17:18:47,850 INFO L226 Difference]: Without dead ends: 83 [2020-11-09 17:18:47,850 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2020-11-09 17:18:47,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2020-11-09 17:18:47,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 78. [2020-11-09 17:18:47,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2020-11-09 17:18:47,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 126 transitions. [2020-11-09 17:18:47,855 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 126 transitions. Word has length 16 [2020-11-09 17:18:47,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 17:18:47,856 INFO L481 AbstractCegarLoop]: Abstraction has 78 states and 126 transitions. [2020-11-09 17:18:47,856 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-11-09 17:18:47,856 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 126 transitions. [2020-11-09 17:18:47,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-09 17:18:47,856 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 17:18:47,857 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 17:18:47,857 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-11-09 17:18:47,857 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 17:18:47,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 17:18:47,857 INFO L82 PathProgramCache]: Analyzing trace with hash -1144930675, now seen corresponding path program 12 times [2020-11-09 17:18:47,861 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 17:18:47,862 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [719901672] [2020-11-09 17:18:47,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 17:18:47,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 17:18:47,943 ERROR L253 erpolLogProxyWrapper]: Interpolant 3 not inductive [2020-11-09 17:18:47,991 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-11-09 17:18:47,994 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: generated interpolants did not pass sanity check at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.getInterpolants(Interpolator.java:219) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.getInterpolants(SMTInterpol.java:876) at de.uni_freiburg.informatik.ultimate.logic.NoopScript.getInterpolants(NoopScript.java:392) at de.uni_freiburg.informatik.ultimate.logic.NoopScript.getInterpolants(NoopScript.java:386) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getInterpolants(WrapperScript.java:337) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getInterpolants(WrapperScript.java:337) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.getInterpolants(ManagedScript.java:191) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.computeCraigInterpolants(NestedInterpolantsBuilder.java:285) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.(NestedInterpolantsBuilder.java:166) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsRecursive(InterpolatingTraceCheckCraig.java:326) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:228) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:97) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:79) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:241) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:165) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:84) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:74) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:511) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:438) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:372) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:142) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:378) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:197) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:149) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2020-11-09 17:18:47,997 INFO L168 Benchmark]: Toolchain (without parser) took 49705.48 ms. Allocated memory was 151.0 MB in the beginning and 345.0 MB in the end (delta: 194.0 MB). Free memory was 130.8 MB in the beginning and 128.5 MB in the end (delta: 2.3 MB). Peak memory consumption was 196.3 MB. Max. memory is 8.0 GB. [2020-11-09 17:18:48,002 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 151.0 MB. Free memory is still 123.5 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-11-09 17:18:48,003 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1590.76 ms. Allocated memory was 151.0 MB in the beginning and 181.4 MB in the end (delta: 30.4 MB). Free memory was 129.9 MB in the beginning and 155.5 MB in the end (delta: -25.6 MB). Peak memory consumption was 81.7 MB. Max. memory is 8.0 GB. [2020-11-09 17:18:48,003 INFO L168 Benchmark]: Boogie Procedure Inliner took 74.78 ms. Allocated memory is still 181.4 MB. Free memory was 155.5 MB in the beginning and 152.3 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2020-11-09 17:18:48,004 INFO L168 Benchmark]: Boogie Preprocessor took 59.18 ms. Allocated memory is still 181.4 MB. Free memory was 152.3 MB in the beginning and 149.7 MB in the end (delta: 2.6 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2020-11-09 17:18:48,004 INFO L168 Benchmark]: RCFGBuilder took 880.42 ms. Allocated memory is still 181.4 MB. Free memory was 149.7 MB in the beginning and 98.9 MB in the end (delta: 50.9 MB). Peak memory consumption was 50.3 MB. Max. memory is 8.0 GB. [2020-11-09 17:18:48,005 INFO L168 Benchmark]: TraceAbstraction took 47071.84 ms. Allocated memory was 181.4 MB in the beginning and 345.0 MB in the end (delta: 163.6 MB). Free memory was 98.9 MB in the beginning and 128.5 MB in the end (delta: -29.6 MB). Peak memory consumption was 134.5 MB. Max. memory is 8.0 GB. [2020-11-09 17:18:48,009 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 151.0 MB. Free memory is still 123.5 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 1590.76 ms. Allocated memory was 151.0 MB in the beginning and 181.4 MB in the end (delta: 30.4 MB). Free memory was 129.9 MB in the beginning and 155.5 MB in the end (delta: -25.6 MB). Peak memory consumption was 81.7 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 74.78 ms. Allocated memory is still 181.4 MB. Free memory was 155.5 MB in the beginning and 152.3 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 59.18 ms. Allocated memory is still 181.4 MB. Free memory was 152.3 MB in the beginning and 149.7 MB in the end (delta: 2.6 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 880.42 ms. Allocated memory is still 181.4 MB. Free memory was 149.7 MB in the beginning and 98.9 MB in the end (delta: 50.9 MB). Peak memory consumption was 50.3 MB. Max. memory is 8.0 GB. * TraceAbstraction took 47071.84 ms. Allocated memory was 181.4 MB in the beginning and 345.0 MB in the end (delta: 163.6 MB). Free memory was 98.9 MB in the beginning and 128.5 MB in the end (delta: -29.6 MB). Peak memory consumption was 134.5 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 981 VarBasedMoverChecksPositive, 37 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 19 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 29.0s, 168 PlacesBefore, 34 PlacesAfterwards, 178 TransitionsBefore, 32 TransitionsAfterwards, 1872 CoEnabledTransitionPairs, 8 FixpointIterations, 112 TrivialSequentialCompositions, 52 ConcurrentSequentialCompositions, 22 TrivialYvCompositions, 24 ConcurrentYvCompositions, 12 ChoiceCompositions, 222 TotalNumberOfCompositions, 3600 MoverChecksTotal - ExceptionOrErrorResult: SMTLIBException: generated interpolants did not pass sanity check de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: generated interpolants did not pass sanity check: de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.getInterpolants(Interpolator.java:219) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...