/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-Separate.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/concurrent/pthreads/forkFork.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-bc79526 [2022-01-18 13:56:21,263 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-18 13:56:21,264 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-18 13:56:21,283 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-18 13:56:21,283 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-18 13:56:21,284 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-18 13:56:21,284 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-18 13:56:21,285 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-18 13:56:21,286 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-18 13:56:21,287 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-18 13:56:21,288 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-18 13:56:21,288 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-18 13:56:21,289 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-18 13:56:21,289 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-18 13:56:21,290 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-18 13:56:21,290 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-18 13:56:21,291 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-18 13:56:21,292 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-18 13:56:21,293 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-18 13:56:21,294 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-18 13:56:21,295 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-18 13:56:21,296 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-18 13:56:21,297 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-18 13:56:21,297 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-18 13:56:21,299 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-18 13:56:21,299 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-18 13:56:21,300 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-18 13:56:21,300 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-18 13:56:21,300 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-18 13:56:21,301 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-18 13:56:21,301 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-18 13:56:21,302 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-18 13:56:21,302 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-18 13:56:21,303 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-18 13:56:21,303 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-18 13:56:21,303 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-18 13:56:21,304 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-18 13:56:21,304 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-18 13:56:21,304 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-18 13:56:21,307 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-18 13:56:21,308 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-18 13:56:21,309 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-Separate.epf [2022-01-18 13:56:21,332 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-18 13:56:21,333 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-18 13:56:21,333 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-18 13:56:21,333 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-18 13:56:21,334 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-18 13:56:21,334 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-18 13:56:21,334 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-18 13:56:21,334 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-18 13:56:21,334 INFO L138 SettingsManager]: * Use SBE=true [2022-01-18 13:56:21,334 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-18 13:56:21,335 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-18 13:56:21,335 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-18 13:56:21,335 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-18 13:56:21,335 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-18 13:56:21,335 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-18 13:56:21,335 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-18 13:56:21,335 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-18 13:56:21,335 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-18 13:56:21,335 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-18 13:56:21,336 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-18 13:56:21,336 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-18 13:56:21,336 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-18 13:56:21,336 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-18 13:56:21,336 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-18 13:56:21,342 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-18 13:56:21,342 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-18 13:56:21,343 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-18 13:56:21,343 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-18 13:56:21,343 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-18 13:56:21,343 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-18 13:56:21,343 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-18 13:56:21,343 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-18 13:56:21,343 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-18 13:56:21,343 INFO L138 SettingsManager]: * Check the insufficient thread errors last=true [2022-01-18 13:56:21,343 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-01-18 13:56:21,558 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-18 13:56:21,577 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-18 13:56:21,578 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-18 13:56:21,579 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-18 13:56:21,579 INFO L275 PluginConnector]: CDTParser initialized [2022-01-18 13:56:21,580 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/pthreads/forkFork.c [2022-01-18 13:56:21,634 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d7ff35853/2bd5099a40f54dc789f3a9ec6315f530/FLAGee9ada90e [2022-01-18 13:56:21,989 INFO L306 CDTParser]: Found 1 translation units. [2022-01-18 13:56:21,989 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/concurrent/pthreads/forkFork.c [2022-01-18 13:56:21,989 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available. [2022-01-18 13:56:21,989 WARN L117 ultiparseSymbolTable]: System include stdio.h could not be resolved by CDT -- only built-in system includes are available. [2022-01-18 13:56:22,013 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d7ff35853/2bd5099a40f54dc789f3a9ec6315f530/FLAGee9ada90e [2022-01-18 13:56:22,022 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d7ff35853/2bd5099a40f54dc789f3a9ec6315f530 [2022-01-18 13:56:22,025 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-18 13:56:22,026 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-18 13:56:22,027 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-18 13:56:22,027 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-18 13:56:22,029 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-18 13:56:22,030 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.01 01:56:22" (1/1) ... [2022-01-18 13:56:22,030 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@251faec1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 01:56:22, skipping insertion in model container [2022-01-18 13:56:22,031 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.01 01:56:22" (1/1) ... [2022-01-18 13:56:22,035 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-18 13:56:22,043 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-18 13:56:22,172 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-18 13:56:22,178 INFO L203 MainTranslator]: Completed pre-run [2022-01-18 13:56:22,187 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-18 13:56:22,197 INFO L208 MainTranslator]: Completed translation [2022-01-18 13:56:22,198 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 01:56:22 WrapperNode [2022-01-18 13:56:22,198 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-18 13:56:22,199 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-18 13:56:22,199 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-18 13:56:22,199 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-18 13:56:22,204 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 01:56:22" (1/1) ... [2022-01-18 13:56:22,210 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 01:56:22" (1/1) ... [2022-01-18 13:56:22,224 INFO L137 Inliner]: procedures = 12, calls = 32, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 41 [2022-01-18 13:56:22,224 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-18 13:56:22,225 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-18 13:56:22,225 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-18 13:56:22,225 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-18 13:56:22,230 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 01:56:22" (1/1) ... [2022-01-18 13:56:22,230 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 01:56:22" (1/1) ... [2022-01-18 13:56:22,231 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 01:56:22" (1/1) ... [2022-01-18 13:56:22,232 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 01:56:22" (1/1) ... [2022-01-18 13:56:22,235 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 01:56:22" (1/1) ... [2022-01-18 13:56:22,236 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 01:56:22" (1/1) ... [2022-01-18 13:56:22,236 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 01:56:22" (1/1) ... [2022-01-18 13:56:22,238 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-18 13:56:22,238 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-18 13:56:22,238 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-18 13:56:22,238 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-18 13:56:22,239 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 01:56:22" (1/1) ... [2022-01-18 13:56:22,243 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-18 13:56:22,248 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 13:56:22,257 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-01-18 13:56:22,261 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-01-18 13:56:22,283 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-01-18 13:56:22,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-18 13:56:22,284 INFO L130 BoogieDeclarations]: Found specification of procedure bar [2022-01-18 13:56:22,284 INFO L138 BoogieDeclarations]: Found implementation of procedure bar [2022-01-18 13:56:22,284 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2022-01-18 13:56:22,284 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2022-01-18 13:56:22,284 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-18 13:56:22,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-18 13:56:22,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-18 13:56:22,284 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-01-18 13:56:22,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-01-18 13:56:22,284 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-18 13:56:22,284 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-18 13:56:22,285 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-01-18 13:56:22,336 INFO L234 CfgBuilder]: Building ICFG [2022-01-18 13:56:22,337 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-18 13:56:22,521 INFO L275 CfgBuilder]: Performing block encoding [2022-01-18 13:56:22,525 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-18 13:56:22,526 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-01-18 13:56:22,527 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.01 01:56:22 BoogieIcfgContainer [2022-01-18 13:56:22,527 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-18 13:56:22,528 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-18 13:56:22,528 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-18 13:56:22,536 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-18 13:56:22,537 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.01 01:56:22" (1/3) ... [2022-01-18 13:56:22,537 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a9c0e78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.01 01:56:22, skipping insertion in model container [2022-01-18 13:56:22,537 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 01:56:22" (2/3) ... [2022-01-18 13:56:22,537 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a9c0e78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.01 01:56:22, skipping insertion in model container [2022-01-18 13:56:22,537 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.01 01:56:22" (3/3) ... [2022-01-18 13:56:22,538 INFO L111 eAbstractionObserver]: Analyzing ICFG forkFork.c [2022-01-18 13:56:22,541 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-01-18 13:56:22,541 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-18 13:56:22,541 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-01-18 13:56:22,541 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-01-18 13:56:22,564 WARN L322 ript$VariableManager]: TermVariabe |barThread1of1ForFork1_#in~b.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,564 WARN L322 ript$VariableManager]: TermVariabe |barThread1of1ForFork1_#in~b.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,564 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~b.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,564 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~b.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,564 WARN L322 ript$VariableManager]: TermVariabe |barThread1of1ForFork1_#in~b.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,565 WARN L322 ript$VariableManager]: TermVariabe |barThread1of1ForFork1_#in~b.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,565 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~b.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,565 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~b.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,565 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~b.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,565 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~b.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,565 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~c~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,565 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~c~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,565 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~b.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,565 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~b.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,565 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~c~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,566 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~c~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,566 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~c~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,566 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~c~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,566 WARN L322 ript$VariableManager]: TermVariabe |barThread1of1ForFork1_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,566 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~c~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,566 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~c~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,566 WARN L322 ript$VariableManager]: TermVariabe |barThread1of1ForFork1_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,566 WARN L322 ript$VariableManager]: TermVariabe |barThread1of1ForFork1_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,566 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~val~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,566 WARN L322 ript$VariableManager]: TermVariabe |barThread1of1ForFork1_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,567 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~val~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,567 WARN L322 ript$VariableManager]: TermVariabe |barThread1of1ForFork1_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,567 WARN L322 ript$VariableManager]: TermVariabe |barThread1of1ForFork1_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,567 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~val~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,567 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~val~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,567 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~val~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,567 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~val~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,567 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~c~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,567 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~c~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,568 WARN L322 ript$VariableManager]: TermVariabe |barThread1of1ForFork1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,568 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~c~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,568 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~c~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,568 WARN L322 ript$VariableManager]: TermVariabe |barThread1of1ForFork1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,568 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~c~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,568 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~c~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,568 WARN L322 ript$VariableManager]: TermVariabe |barThread1of1ForFork1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,569 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~c~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,569 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~c~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,569 WARN L322 ript$VariableManager]: TermVariabe |barThread1of1ForFork1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,569 WARN L322 ript$VariableManager]: TermVariabe |barThread1of1ForFork1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,569 WARN L322 ript$VariableManager]: TermVariabe |barThread1of1ForFork1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,569 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~c~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,569 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~c~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,569 WARN L322 ript$VariableManager]: TermVariabe |barThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,569 WARN L322 ript$VariableManager]: TermVariabe |barThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,570 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~c~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,570 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~c~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,570 WARN L322 ript$VariableManager]: TermVariabe |barThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,570 WARN L322 ript$VariableManager]: TermVariabe |barThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,570 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~a.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,570 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~a.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,570 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~a.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,571 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~a.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,571 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~a.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,571 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~a.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,571 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~a.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,571 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~a.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,571 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#second_thread~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,571 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#second_thread~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,571 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#second_thread~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,572 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#second_thread~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,572 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~a.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,572 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~a.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,572 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~param~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,572 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~param~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,572 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~a.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,572 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~a.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,572 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~param~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,572 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~param~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,573 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#ret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,573 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#ret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,573 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#ret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,573 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#ret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,573 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~pre2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,573 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~pre2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,574 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#second_thread~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,574 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~pre2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,574 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#second_thread~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,574 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#second_thread~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,574 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~pre2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,574 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#second_thread~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,575 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~pre2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,576 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~pre2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,576 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,576 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,576 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#second_thread~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,576 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#second_thread~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,576 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,576 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#second_thread~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,576 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#second_thread~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,576 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,577 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#ret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,577 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#ret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,577 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~nondet5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,577 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~nondet5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,578 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#ret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,578 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#ret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,578 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~nondet5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,578 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~nondet5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,578 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,578 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,578 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~nondet5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,578 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~nondet5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,578 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~nondet5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,578 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~nondet5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,579 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#ret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,579 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#ret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,579 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem6.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,579 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem6.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,579 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#ret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,579 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#ret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,579 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem6.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,579 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem6.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,579 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem6.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,579 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem6.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,580 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,580 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,580 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem6.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,580 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem6.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,580 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,580 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,580 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem6.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,580 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem6.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,580 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem6.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,580 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem6.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,580 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#second_thread~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,581 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#second_thread~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,581 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#second_thread~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,581 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#second_thread~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,581 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#second_thread~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,581 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#second_thread~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,581 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#ret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,581 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#ret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,581 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#ret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,581 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#ret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,582 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#ret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,582 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#ret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,584 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#second_thread~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,584 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,584 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~a.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,584 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~param~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,584 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~param~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,584 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#ret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,584 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~a.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,584 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#ret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,585 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,585 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~pre2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,585 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#second_thread~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,585 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~nondet5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,585 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,585 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem6.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,585 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,585 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem6.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,585 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~nondet5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,590 WARN L322 ript$VariableManager]: TermVariabe |barThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,590 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~c~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,590 WARN L322 ript$VariableManager]: TermVariabe |barThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,590 WARN L322 ript$VariableManager]: TermVariabe |barThread1of1ForFork1_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,591 WARN L322 ript$VariableManager]: TermVariabe |barThread1of1ForFork1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,591 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~c~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,591 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~b.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,591 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~val~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,591 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~b.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,593 WARN L322 ript$VariableManager]: TermVariabe |barThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,593 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~c~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,593 WARN L322 ript$VariableManager]: TermVariabe |barThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,593 WARN L322 ript$VariableManager]: TermVariabe |barThread1of1ForFork1_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,593 WARN L322 ript$VariableManager]: TermVariabe |barThread1of1ForFork1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,593 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~c~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,593 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~b.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,593 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~val~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,594 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~b.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 13:56:22,611 INFO L148 ThreadInstanceAdder]: Constructed 5 joinOtherThreadTransitions. [2022-01-18 13:56:22,650 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-18 13:56:22,670 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-01-18 13:56:22,670 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2022-01-18 13:56:22,683 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 97 places, 90 transitions, 199 flow [2022-01-18 13:56:22,730 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 386 states, 384 states have (on average 2.2239583333333335) internal successors, (854), 385 states have internal predecessors, (854), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 13:56:22,732 INFO L276 IsEmpty]: Start isEmpty. Operand has 386 states, 384 states have (on average 2.2239583333333335) internal successors, (854), 385 states have internal predecessors, (854), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 13:56:22,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-01-18 13:56:22,738 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 13:56:22,739 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 13:56:22,739 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting barErr0ASSERT_VIOLATIONASSERT === [barErr0ASSERT_VIOLATIONASSERT, fooErr2INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1INUSE_VIOLATION (and 2 more)] === [2022-01-18 13:56:22,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 13:56:22,742 INFO L85 PathProgramCache]: Analyzing trace with hash 496504008, now seen corresponding path program 1 times [2022-01-18 13:56:22,748 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 13:56:22,748 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [440335757] [2022-01-18 13:56:22,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 13:56:22,749 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 13:56:22,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 13:56:23,166 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 13:56:23,167 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 13:56:23,167 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [440335757] [2022-01-18 13:56:23,168 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [440335757] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 13:56:23,168 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 13:56:23,168 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2022-01-18 13:56:23,169 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [475627428] [2022-01-18 13:56:23,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 13:56:23,172 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 13:56:23,173 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 13:56:23,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 13:56:23,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=208, Unknown=0, NotChecked=0, Total=240 [2022-01-18 13:56:23,199 INFO L87 Difference]: Start difference. First operand has 386 states, 384 states have (on average 2.2239583333333335) internal successors, (854), 385 states have internal predecessors, (854), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 16 states, 15 states have (on average 1.9333333333333333) internal successors, (29), 16 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 13:56:23,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 13:56:23,813 INFO L93 Difference]: Finished difference Result 366 states and 803 transitions. [2022-01-18 13:56:23,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-01-18 13:56:23,816 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 1.9333333333333333) internal successors, (29), 16 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 29 [2022-01-18 13:56:23,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 13:56:23,823 INFO L225 Difference]: With dead ends: 366 [2022-01-18 13:56:23,823 INFO L226 Difference]: Without dead ends: 366 [2022-01-18 13:56:23,825 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=203, Invalid=667, Unknown=0, NotChecked=0, Total=870 [2022-01-18 13:56:23,827 INFO L933 BasicCegarLoop]: 65 mSDtfsCounter, 262 mSDsluCounter, 577 mSDsCounter, 0 mSdLazyCounter, 408 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 262 SdHoareTripleChecker+Valid, 610 SdHoareTripleChecker+Invalid, 454 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 408 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-01-18 13:56:23,827 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [262 Valid, 610 Invalid, 454 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 408 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-01-18 13:56:23,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2022-01-18 13:56:23,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 366. [2022-01-18 13:56:23,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 366 states, 365 states have (on average 2.2) internal successors, (803), 365 states have internal predecessors, (803), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 13:56:23,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 366 states and 803 transitions. [2022-01-18 13:56:23,872 INFO L78 Accepts]: Start accepts. Automaton has 366 states and 803 transitions. Word has length 29 [2022-01-18 13:56:23,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 13:56:23,872 INFO L470 AbstractCegarLoop]: Abstraction has 366 states and 803 transitions. [2022-01-18 13:56:23,872 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 1.9333333333333333) internal successors, (29), 16 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 13:56:23,873 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 803 transitions. [2022-01-18 13:56:23,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-01-18 13:56:23,875 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 13:56:23,876 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 13:56:23,876 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-18 13:56:23,876 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [barErr0ASSERT_VIOLATIONASSERT, fooErr2INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1INUSE_VIOLATION (and 2 more)] === [2022-01-18 13:56:23,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 13:56:23,877 INFO L85 PathProgramCache]: Analyzing trace with hash 1725141537, now seen corresponding path program 1 times [2022-01-18 13:56:23,877 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 13:56:23,877 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [474897656] [2022-01-18 13:56:23,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 13:56:23,877 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 13:56:23,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 13:56:24,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 13:56:24,445 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 13:56:24,445 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [474897656] [2022-01-18 13:56:24,446 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [474897656] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 13:56:24,446 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 13:56:24,446 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 13:56:24,446 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1611123708] [2022-01-18 13:56:24,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 13:56:24,447 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 13:56:24,447 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 13:56:24,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 13:56:24,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=645, Unknown=0, NotChecked=0, Total=702 [2022-01-18 13:56:24,448 INFO L87 Difference]: Start difference. First operand 366 states and 803 transitions. Second operand has 27 states, 26 states have (on average 2.4615384615384617) internal successors, (64), 27 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 13:56:25,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 13:56:25,972 INFO L93 Difference]: Finished difference Result 436 states and 909 transitions. [2022-01-18 13:56:25,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-01-18 13:56:25,972 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 2.4615384615384617) internal successors, (64), 27 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2022-01-18 13:56:25,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 13:56:25,974 INFO L225 Difference]: With dead ends: 436 [2022-01-18 13:56:25,974 INFO L226 Difference]: Without dead ends: 386 [2022-01-18 13:56:25,975 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 500 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=532, Invalid=2890, Unknown=0, NotChecked=0, Total=3422 [2022-01-18 13:56:25,976 INFO L933 BasicCegarLoop]: 95 mSDtfsCounter, 319 mSDsluCounter, 1447 mSDsCounter, 0 mSdLazyCounter, 1363 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 319 SdHoareTripleChecker+Valid, 1542 SdHoareTripleChecker+Invalid, 1413 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 1363 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-01-18 13:56:25,976 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [319 Valid, 1542 Invalid, 1413 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 1363 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-01-18 13:56:25,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 386 states. [2022-01-18 13:56:25,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 386 to 366. [2022-01-18 13:56:25,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 366 states, 365 states have (on average 2.1780821917808217) internal successors, (795), 365 states have internal predecessors, (795), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 13:56:25,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 366 states and 795 transitions. [2022-01-18 13:56:25,988 INFO L78 Accepts]: Start accepts. Automaton has 366 states and 795 transitions. Word has length 64 [2022-01-18 13:56:25,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 13:56:25,988 INFO L470 AbstractCegarLoop]: Abstraction has 366 states and 795 transitions. [2022-01-18 13:56:25,988 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 2.4615384615384617) internal successors, (64), 27 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 13:56:25,988 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 795 transitions. [2022-01-18 13:56:25,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-01-18 13:56:25,990 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 13:56:25,991 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 13:56:25,991 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-18 13:56:26,002 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [barErr0ASSERT_VIOLATIONASSERT, fooErr2INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1INUSE_VIOLATION (and 2 more)] === [2022-01-18 13:56:26,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 13:56:26,003 INFO L85 PathProgramCache]: Analyzing trace with hash 1261193569, now seen corresponding path program 2 times [2022-01-18 13:56:26,003 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 13:56:26,003 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1696470693] [2022-01-18 13:56:26,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 13:56:26,004 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 13:56:26,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 13:56:26,477 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 13:56:26,478 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 13:56:26,478 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1696470693] [2022-01-18 13:56:26,478 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1696470693] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 13:56:26,478 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 13:56:26,478 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 13:56:26,478 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [696247934] [2022-01-18 13:56:26,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 13:56:26,479 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 13:56:26,479 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 13:56:26,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 13:56:26,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=646, Unknown=0, NotChecked=0, Total=702 [2022-01-18 13:56:26,480 INFO L87 Difference]: Start difference. First operand 366 states and 795 transitions. Second operand has 27 states, 26 states have (on average 2.4615384615384617) internal successors, (64), 27 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 13:56:28,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 13:56:28,277 INFO L93 Difference]: Finished difference Result 390 states and 824 transitions. [2022-01-18 13:56:28,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-01-18 13:56:28,278 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 2.4615384615384617) internal successors, (64), 27 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2022-01-18 13:56:28,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 13:56:28,279 INFO L225 Difference]: With dead ends: 390 [2022-01-18 13:56:28,279 INFO L226 Difference]: Without dead ends: 366 [2022-01-18 13:56:28,281 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 455 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=546, Invalid=2876, Unknown=0, NotChecked=0, Total=3422 [2022-01-18 13:56:28,281 INFO L933 BasicCegarLoop]: 98 mSDtfsCounter, 318 mSDsluCounter, 1498 mSDsCounter, 0 mSdLazyCounter, 1337 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 318 SdHoareTripleChecker+Valid, 1596 SdHoareTripleChecker+Invalid, 1389 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 1337 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-01-18 13:56:28,282 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [318 Valid, 1596 Invalid, 1389 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 1337 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-01-18 13:56:28,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2022-01-18 13:56:28,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 366. [2022-01-18 13:56:28,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 366 states, 365 states have (on average 2.1726027397260275) internal successors, (793), 365 states have internal predecessors, (793), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 13:56:28,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 366 states and 793 transitions. [2022-01-18 13:56:28,291 INFO L78 Accepts]: Start accepts. Automaton has 366 states and 793 transitions. Word has length 64 [2022-01-18 13:56:28,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 13:56:28,291 INFO L470 AbstractCegarLoop]: Abstraction has 366 states and 793 transitions. [2022-01-18 13:56:28,291 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 2.4615384615384617) internal successors, (64), 27 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 13:56:28,291 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 793 transitions. [2022-01-18 13:56:28,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-01-18 13:56:28,292 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 13:56:28,292 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 13:56:28,293 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-01-18 13:56:28,293 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [barErr0ASSERT_VIOLATIONASSERT, fooErr2INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1INUSE_VIOLATION (and 2 more)] === [2022-01-18 13:56:28,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 13:56:28,293 INFO L85 PathProgramCache]: Analyzing trace with hash -375055797, now seen corresponding path program 3 times [2022-01-18 13:56:28,293 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 13:56:28,293 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [185097089] [2022-01-18 13:56:28,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 13:56:28,294 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 13:56:28,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 13:56:28,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 13:56:28,797 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 13:56:28,797 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [185097089] [2022-01-18 13:56:28,797 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [185097089] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 13:56:28,797 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 13:56:28,797 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2022-01-18 13:56:28,797 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121897014] [2022-01-18 13:56:28,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 13:56:28,798 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2022-01-18 13:56:28,798 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 13:56:28,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2022-01-18 13:56:28,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=750, Unknown=0, NotChecked=0, Total=812 [2022-01-18 13:56:28,799 INFO L87 Difference]: Start difference. First operand 366 states and 793 transitions. Second operand has 29 states, 28 states have (on average 2.2857142857142856) internal successors, (64), 29 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 13:56:31,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 13:56:31,059 INFO L93 Difference]: Finished difference Result 386 states and 816 transitions. [2022-01-18 13:56:31,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-01-18 13:56:31,059 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 28 states have (on average 2.2857142857142856) internal successors, (64), 29 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2022-01-18 13:56:31,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 13:56:31,061 INFO L225 Difference]: With dead ends: 386 [2022-01-18 13:56:31,062 INFO L226 Difference]: Without dead ends: 366 [2022-01-18 13:56:31,063 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 614 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=591, Invalid=3441, Unknown=0, NotChecked=0, Total=4032 [2022-01-18 13:56:31,064 INFO L933 BasicCegarLoop]: 94 mSDtfsCounter, 354 mSDsluCounter, 1670 mSDsCounter, 0 mSdLazyCounter, 1601 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 354 SdHoareTripleChecker+Valid, 1764 SdHoareTripleChecker+Invalid, 1673 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 1601 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 13:56:31,065 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [354 Valid, 1764 Invalid, 1673 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 1601 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 13:56:31,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2022-01-18 13:56:31,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 366. [2022-01-18 13:56:31,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 366 states, 365 states have (on average 2.1671232876712327) internal successors, (791), 365 states have internal predecessors, (791), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 13:56:31,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 366 states and 791 transitions. [2022-01-18 13:56:31,077 INFO L78 Accepts]: Start accepts. Automaton has 366 states and 791 transitions. Word has length 64 [2022-01-18 13:56:31,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 13:56:31,078 INFO L470 AbstractCegarLoop]: Abstraction has 366 states and 791 transitions. [2022-01-18 13:56:31,078 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 28 states have (on average 2.2857142857142856) internal successors, (64), 29 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 13:56:31,078 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 791 transitions. [2022-01-18 13:56:31,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-01-18 13:56:31,079 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 13:56:31,079 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 13:56:31,079 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-01-18 13:56:31,079 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [barErr0ASSERT_VIOLATIONASSERT, fooErr2INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1INUSE_VIOLATION (and 2 more)] === [2022-01-18 13:56:31,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 13:56:31,080 INFO L85 PathProgramCache]: Analyzing trace with hash 224142283, now seen corresponding path program 4 times [2022-01-18 13:56:31,080 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 13:56:31,080 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2139114356] [2022-01-18 13:56:31,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 13:56:31,080 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 13:56:31,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 13:56:31,593 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 13:56:31,593 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 13:56:31,593 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2139114356] [2022-01-18 13:56:31,593 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2139114356] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 13:56:31,593 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 13:56:31,593 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [29] imperfect sequences [] total 29 [2022-01-18 13:56:31,594 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [56055919] [2022-01-18 13:56:31,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 13:56:31,594 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2022-01-18 13:56:31,595 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 13:56:31,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2022-01-18 13:56:31,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=803, Unknown=0, NotChecked=0, Total=870 [2022-01-18 13:56:31,596 INFO L87 Difference]: Start difference. First operand 366 states and 791 transitions. Second operand has 30 states, 29 states have (on average 2.206896551724138) internal successors, (64), 30 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 13:56:33,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 13:56:33,388 INFO L93 Difference]: Finished difference Result 382 states and 808 transitions. [2022-01-18 13:56:33,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2022-01-18 13:56:33,389 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 29 states have (on average 2.206896551724138) internal successors, (64), 30 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2022-01-18 13:56:33,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 13:56:33,390 INFO L225 Difference]: With dead ends: 382 [2022-01-18 13:56:33,390 INFO L226 Difference]: Without dead ends: 345 [2022-01-18 13:56:33,391 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 664 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=604, Invalid=3556, Unknown=0, NotChecked=0, Total=4160 [2022-01-18 13:56:33,392 INFO L933 BasicCegarLoop]: 93 mSDtfsCounter, 393 mSDsluCounter, 1570 mSDsCounter, 0 mSdLazyCounter, 1490 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 393 SdHoareTripleChecker+Valid, 1663 SdHoareTripleChecker+Invalid, 1559 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 1490 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 13:56:33,392 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [393 Valid, 1663 Invalid, 1559 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 1490 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 13:56:33,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2022-01-18 13:56:33,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 345. [2022-01-18 13:56:33,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 345 states, 344 states have (on average 2.188953488372093) internal successors, (753), 344 states have internal predecessors, (753), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 13:56:33,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 345 states and 753 transitions. [2022-01-18 13:56:33,398 INFO L78 Accepts]: Start accepts. Automaton has 345 states and 753 transitions. Word has length 64 [2022-01-18 13:56:33,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 13:56:33,398 INFO L470 AbstractCegarLoop]: Abstraction has 345 states and 753 transitions. [2022-01-18 13:56:33,399 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 29 states have (on average 2.206896551724138) internal successors, (64), 30 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 13:56:33,399 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 753 transitions. [2022-01-18 13:56:33,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-01-18 13:56:33,399 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 13:56:33,399 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 13:56:33,400 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-01-18 13:56:33,400 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [barErr0ASSERT_VIOLATIONASSERT, fooErr2INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1INUSE_VIOLATION (and 2 more)] === [2022-01-18 13:56:33,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 13:56:33,400 INFO L85 PathProgramCache]: Analyzing trace with hash -98358559, now seen corresponding path program 5 times [2022-01-18 13:56:33,400 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 13:56:33,400 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1762139696] [2022-01-18 13:56:33,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 13:56:33,400 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 13:56:33,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 13:56:33,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 13:56:33,770 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 13:56:33,770 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1762139696] [2022-01-18 13:56:33,770 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1762139696] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 13:56:33,770 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 13:56:33,770 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 13:56:33,770 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1182212883] [2022-01-18 13:56:33,770 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 13:56:33,771 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 13:56:33,771 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 13:56:33,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 13:56:33,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=646, Unknown=0, NotChecked=0, Total=702 [2022-01-18 13:56:33,772 INFO L87 Difference]: Start difference. First operand 345 states and 753 transitions. Second operand has 27 states, 26 states have (on average 2.4615384615384617) internal successors, (64), 27 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 13:56:35,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 13:56:35,298 INFO L93 Difference]: Finished difference Result 371 states and 785 transitions. [2022-01-18 13:56:35,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-01-18 13:56:35,298 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 2.4615384615384617) internal successors, (64), 27 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2022-01-18 13:56:35,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 13:56:35,300 INFO L225 Difference]: With dead ends: 371 [2022-01-18 13:56:35,300 INFO L226 Difference]: Without dead ends: 342 [2022-01-18 13:56:35,301 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 435 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=518, Invalid=2788, Unknown=0, NotChecked=0, Total=3306 [2022-01-18 13:56:35,301 INFO L933 BasicCegarLoop]: 91 mSDtfsCounter, 325 mSDsluCounter, 1422 mSDsCounter, 0 mSdLazyCounter, 1316 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 325 SdHoareTripleChecker+Valid, 1513 SdHoareTripleChecker+Invalid, 1366 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 1316 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 13:56:35,301 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [325 Valid, 1513 Invalid, 1366 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 1316 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 13:56:35,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2022-01-18 13:56:35,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 342. [2022-01-18 13:56:35,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 342 states, 341 states have (on average 2.190615835777126) internal successors, (747), 341 states have internal predecessors, (747), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 13:56:35,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 747 transitions. [2022-01-18 13:56:35,307 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 747 transitions. Word has length 64 [2022-01-18 13:56:35,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 13:56:35,308 INFO L470 AbstractCegarLoop]: Abstraction has 342 states and 747 transitions. [2022-01-18 13:56:35,308 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 2.4615384615384617) internal successors, (64), 27 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 13:56:35,308 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 747 transitions. [2022-01-18 13:56:35,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-01-18 13:56:35,308 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 13:56:35,308 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 13:56:35,309 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-01-18 13:56:35,309 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [barErr0ASSERT_VIOLATIONASSERT, fooErr2INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1INUSE_VIOLATION (and 2 more)] === [2022-01-18 13:56:35,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 13:56:35,309 INFO L85 PathProgramCache]: Analyzing trace with hash 695162699, now seen corresponding path program 6 times [2022-01-18 13:56:35,309 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 13:56:35,309 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [765532220] [2022-01-18 13:56:35,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 13:56:35,309 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 13:56:35,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 13:56:35,674 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 13:56:35,674 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 13:56:35,674 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [765532220] [2022-01-18 13:56:35,674 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [765532220] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 13:56:35,674 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 13:56:35,674 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 13:56:35,674 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1780918598] [2022-01-18 13:56:35,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 13:56:35,675 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 13:56:35,675 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 13:56:35,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 13:56:35,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=646, Unknown=0, NotChecked=0, Total=702 [2022-01-18 13:56:35,675 INFO L87 Difference]: Start difference. First operand 342 states and 747 transitions. Second operand has 27 states, 26 states have (on average 2.4615384615384617) internal successors, (64), 27 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 13:56:37,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 13:56:37,231 INFO L93 Difference]: Finished difference Result 374 states and 788 transitions. [2022-01-18 13:56:37,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-01-18 13:56:37,231 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 2.4615384615384617) internal successors, (64), 27 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2022-01-18 13:56:37,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 13:56:37,232 INFO L225 Difference]: With dead ends: 374 [2022-01-18 13:56:37,232 INFO L226 Difference]: Without dead ends: 333 [2022-01-18 13:56:37,233 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 491 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=554, Invalid=2986, Unknown=0, NotChecked=0, Total=3540 [2022-01-18 13:56:37,234 INFO L933 BasicCegarLoop]: 90 mSDtfsCounter, 354 mSDsluCounter, 1314 mSDsCounter, 0 mSdLazyCounter, 1200 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 354 SdHoareTripleChecker+Valid, 1404 SdHoareTripleChecker+Invalid, 1251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 1200 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-18 13:56:37,234 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [354 Valid, 1404 Invalid, 1251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 1200 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-18 13:56:37,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 333 states. [2022-01-18 13:56:37,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 333 to 333. [2022-01-18 13:56:37,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 333 states, 332 states have (on average 2.1957831325301207) internal successors, (729), 332 states have internal predecessors, (729), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 13:56:37,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 333 states and 729 transitions. [2022-01-18 13:56:37,246 INFO L78 Accepts]: Start accepts. Automaton has 333 states and 729 transitions. Word has length 64 [2022-01-18 13:56:37,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 13:56:37,247 INFO L470 AbstractCegarLoop]: Abstraction has 333 states and 729 transitions. [2022-01-18 13:56:37,247 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 2.4615384615384617) internal successors, (64), 27 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 13:56:37,247 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 729 transitions. [2022-01-18 13:56:37,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-01-18 13:56:37,247 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 13:56:37,248 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 13:56:37,248 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-01-18 13:56:37,248 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [barErr0ASSERT_VIOLATIONASSERT, fooErr2INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1INUSE_VIOLATION (and 2 more)] === [2022-01-18 13:56:37,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 13:56:37,249 INFO L85 PathProgramCache]: Analyzing trace with hash 2022697791, now seen corresponding path program 7 times [2022-01-18 13:56:37,249 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 13:56:37,249 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1560892757] [2022-01-18 13:56:37,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 13:56:37,249 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 13:56:37,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 13:56:37,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 13:56:37,572 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 13:56:37,572 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1560892757] [2022-01-18 13:56:37,572 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1560892757] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 13:56:37,572 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 13:56:37,572 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 13:56:37,573 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1508356213] [2022-01-18 13:56:37,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 13:56:37,574 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 13:56:37,574 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 13:56:37,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 13:56:37,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=645, Unknown=0, NotChecked=0, Total=702 [2022-01-18 13:56:37,574 INFO L87 Difference]: Start difference. First operand 333 states and 729 transitions. Second operand has 27 states, 26 states have (on average 2.4615384615384617) internal successors, (64), 27 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 13:56:38,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 13:56:38,718 INFO L93 Difference]: Finished difference Result 367 states and 773 transitions. [2022-01-18 13:56:38,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-01-18 13:56:38,718 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 2.4615384615384617) internal successors, (64), 27 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2022-01-18 13:56:38,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 13:56:38,720 INFO L225 Difference]: With dead ends: 367 [2022-01-18 13:56:38,720 INFO L226 Difference]: Without dead ends: 306 [2022-01-18 13:56:38,720 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 504 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=523, Invalid=2899, Unknown=0, NotChecked=0, Total=3422 [2022-01-18 13:56:38,721 INFO L933 BasicCegarLoop]: 86 mSDtfsCounter, 335 mSDsluCounter, 1310 mSDsCounter, 0 mSdLazyCounter, 1213 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 335 SdHoareTripleChecker+Valid, 1396 SdHoareTripleChecker+Invalid, 1269 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 1213 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-18 13:56:38,721 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [335 Valid, 1396 Invalid, 1269 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 1213 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-18 13:56:38,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2022-01-18 13:56:38,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 306. [2022-01-18 13:56:38,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 306 states, 305 states have (on average 2.1704918032786886) internal successors, (662), 305 states have internal predecessors, (662), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 13:56:38,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 662 transitions. [2022-01-18 13:56:38,726 INFO L78 Accepts]: Start accepts. Automaton has 306 states and 662 transitions. Word has length 64 [2022-01-18 13:56:38,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 13:56:38,726 INFO L470 AbstractCegarLoop]: Abstraction has 306 states and 662 transitions. [2022-01-18 13:56:38,727 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 2.4615384615384617) internal successors, (64), 27 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 13:56:38,727 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 662 transitions. [2022-01-18 13:56:38,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-01-18 13:56:38,727 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 13:56:38,727 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 13:56:38,728 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-01-18 13:56:38,728 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [barErr0ASSERT_VIOLATIONASSERT, fooErr2INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1INUSE_VIOLATION (and 2 more)] === [2022-01-18 13:56:38,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 13:56:38,728 INFO L85 PathProgramCache]: Analyzing trace with hash -83071485, now seen corresponding path program 8 times [2022-01-18 13:56:38,728 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 13:56:38,728 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [410648632] [2022-01-18 13:56:38,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 13:56:38,728 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 13:56:38,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 13:56:39,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 13:56:39,063 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 13:56:39,063 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [410648632] [2022-01-18 13:56:39,063 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [410648632] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 13:56:39,063 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 13:56:39,063 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 13:56:39,063 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [666310198] [2022-01-18 13:56:39,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 13:56:39,064 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 13:56:39,064 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 13:56:39,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 13:56:39,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=646, Unknown=0, NotChecked=0, Total=702 [2022-01-18 13:56:39,064 INFO L87 Difference]: Start difference. First operand 306 states and 662 transitions. Second operand has 27 states, 26 states have (on average 2.4615384615384617) internal successors, (64), 27 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 13:56:40,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 13:56:40,708 INFO L93 Difference]: Finished difference Result 372 states and 774 transitions. [2022-01-18 13:56:40,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-01-18 13:56:40,708 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 2.4615384615384617) internal successors, (64), 27 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2022-01-18 13:56:40,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 13:56:40,709 INFO L225 Difference]: With dead ends: 372 [2022-01-18 13:56:40,709 INFO L226 Difference]: Without dead ends: 282 [2022-01-18 13:56:40,710 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 492 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=555, Invalid=2985, Unknown=0, NotChecked=0, Total=3540 [2022-01-18 13:56:40,710 INFO L933 BasicCegarLoop]: 85 mSDtfsCounter, 391 mSDsluCounter, 1410 mSDsCounter, 0 mSdLazyCounter, 1321 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 391 SdHoareTripleChecker+Valid, 1493 SdHoareTripleChecker+Invalid, 1376 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 1321 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 13:56:40,710 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [391 Valid, 1493 Invalid, 1376 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 1321 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 13:56:40,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2022-01-18 13:56:40,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 282. [2022-01-18 13:56:40,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 282 states, 281 states have (on average 2.1209964412811386) internal successors, (596), 281 states have internal predecessors, (596), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 13:56:40,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 596 transitions. [2022-01-18 13:56:40,715 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 596 transitions. Word has length 64 [2022-01-18 13:56:40,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 13:56:40,715 INFO L470 AbstractCegarLoop]: Abstraction has 282 states and 596 transitions. [2022-01-18 13:56:40,715 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 2.4615384615384617) internal successors, (64), 27 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 13:56:40,715 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 596 transitions. [2022-01-18 13:56:40,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-01-18 13:56:40,716 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 13:56:40,716 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 13:56:40,716 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-01-18 13:56:40,716 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [barErr0ASSERT_VIOLATIONASSERT, fooErr2INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1INUSE_VIOLATION (and 2 more)] === [2022-01-18 13:56:40,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 13:56:40,717 INFO L85 PathProgramCache]: Analyzing trace with hash -292453309, now seen corresponding path program 9 times [2022-01-18 13:56:40,717 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 13:56:40,717 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [980859119] [2022-01-18 13:56:40,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 13:56:40,717 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 13:56:40,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 13:56:41,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 13:56:41,097 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 13:56:41,097 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [980859119] [2022-01-18 13:56:41,097 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [980859119] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 13:56:41,097 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 13:56:41,097 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 13:56:41,097 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977062381] [2022-01-18 13:56:41,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 13:56:41,099 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 13:56:41,099 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 13:56:41,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 13:56:41,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=647, Unknown=0, NotChecked=0, Total=702 [2022-01-18 13:56:41,099 INFO L87 Difference]: Start difference. First operand 282 states and 596 transitions. Second operand has 27 states, 26 states have (on average 2.4615384615384617) internal successors, (64), 27 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 13:56:42,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 13:56:42,712 INFO L93 Difference]: Finished difference Result 356 states and 726 transitions. [2022-01-18 13:56:42,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-01-18 13:56:42,712 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 2.4615384615384617) internal successors, (64), 27 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2022-01-18 13:56:42,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 13:56:42,713 INFO L225 Difference]: With dead ends: 356 [2022-01-18 13:56:42,713 INFO L226 Difference]: Without dead ends: 270 [2022-01-18 13:56:42,714 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 475 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=543, Invalid=2997, Unknown=0, NotChecked=0, Total=3540 [2022-01-18 13:56:42,715 INFO L933 BasicCegarLoop]: 82 mSDtfsCounter, 404 mSDsluCounter, 1312 mSDsCounter, 0 mSdLazyCounter, 1228 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 404 SdHoareTripleChecker+Valid, 1392 SdHoareTripleChecker+Invalid, 1281 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 1228 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 13:56:42,715 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [404 Valid, 1392 Invalid, 1281 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 1228 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 13:56:42,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2022-01-18 13:56:42,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 270. [2022-01-18 13:56:42,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 270 states, 269 states have (on average 2.092936802973978) internal successors, (563), 269 states have internal predecessors, (563), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 13:56:42,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 563 transitions. [2022-01-18 13:56:42,719 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 563 transitions. Word has length 64 [2022-01-18 13:56:42,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 13:56:42,719 INFO L470 AbstractCegarLoop]: Abstraction has 270 states and 563 transitions. [2022-01-18 13:56:42,719 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 2.4615384615384617) internal successors, (64), 27 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 13:56:42,719 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 563 transitions. [2022-01-18 13:56:42,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-01-18 13:56:42,720 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 13:56:42,720 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 13:56:42,720 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-01-18 13:56:42,720 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [barErr0ASSERT_VIOLATIONASSERT, fooErr2INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1INUSE_VIOLATION (and 2 more)] === [2022-01-18 13:56:42,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 13:56:42,720 INFO L85 PathProgramCache]: Analyzing trace with hash -899856169, now seen corresponding path program 10 times [2022-01-18 13:56:42,721 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 13:56:42,721 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [106585792] [2022-01-18 13:56:42,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 13:56:42,721 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 13:56:42,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 13:56:43,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 13:56:43,095 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 13:56:43,097 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [106585792] [2022-01-18 13:56:43,097 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [106585792] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 13:56:43,097 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 13:56:43,097 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 13:56:43,097 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712559097] [2022-01-18 13:56:43,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 13:56:43,098 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 13:56:43,098 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 13:56:43,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 13:56:43,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=648, Unknown=0, NotChecked=0, Total=702 [2022-01-18 13:56:43,099 INFO L87 Difference]: Start difference. First operand 270 states and 563 transitions. Second operand has 27 states, 26 states have (on average 2.4615384615384617) internal successors, (64), 27 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 13:56:44,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 13:56:44,583 INFO L93 Difference]: Finished difference Result 352 states and 711 transitions. [2022-01-18 13:56:44,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-01-18 13:56:44,583 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 2.4615384615384617) internal successors, (64), 27 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2022-01-18 13:56:44,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 13:56:44,584 INFO L225 Difference]: With dead ends: 352 [2022-01-18 13:56:44,584 INFO L226 Difference]: Without dead ends: 258 [2022-01-18 13:56:44,585 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 423 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=520, Invalid=2902, Unknown=0, NotChecked=0, Total=3422 [2022-01-18 13:56:44,585 INFO L933 BasicCegarLoop]: 80 mSDtfsCounter, 403 mSDsluCounter, 1309 mSDsCounter, 0 mSdLazyCounter, 1259 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 403 SdHoareTripleChecker+Valid, 1387 SdHoareTripleChecker+Invalid, 1311 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 1259 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 13:56:44,585 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [403 Valid, 1387 Invalid, 1311 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 1259 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 13:56:44,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2022-01-18 13:56:44,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 258. [2022-01-18 13:56:44,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 258 states, 257 states have (on average 2.062256809338521) internal successors, (530), 257 states have internal predecessors, (530), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 13:56:44,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 258 states and 530 transitions. [2022-01-18 13:56:44,589 INFO L78 Accepts]: Start accepts. Automaton has 258 states and 530 transitions. Word has length 64 [2022-01-18 13:56:44,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 13:56:44,590 INFO L470 AbstractCegarLoop]: Abstraction has 258 states and 530 transitions. [2022-01-18 13:56:44,590 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 2.4615384615384617) internal successors, (64), 27 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 13:56:44,590 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 530 transitions. [2022-01-18 13:56:44,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-01-18 13:56:44,590 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 13:56:44,590 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 13:56:44,590 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-01-18 13:56:44,591 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [barErr0ASSERT_VIOLATIONASSERT, fooErr2INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1INUSE_VIOLATION (and 2 more)] === [2022-01-18 13:56:44,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 13:56:44,591 INFO L85 PathProgramCache]: Analyzing trace with hash 1359682179, now seen corresponding path program 11 times [2022-01-18 13:56:44,591 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 13:56:44,591 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [350096355] [2022-01-18 13:56:44,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 13:56:44,591 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 13:56:44,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 13:56:44,916 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 13:56:44,917 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 13:56:44,917 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [350096355] [2022-01-18 13:56:44,917 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [350096355] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 13:56:44,917 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 13:56:44,917 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 13:56:44,917 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325410210] [2022-01-18 13:56:44,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 13:56:44,917 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 13:56:44,917 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 13:56:44,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 13:56:44,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=649, Unknown=0, NotChecked=0, Total=702 [2022-01-18 13:56:44,918 INFO L87 Difference]: Start difference. First operand 258 states and 530 transitions. Second operand has 27 states, 26 states have (on average 2.4615384615384617) internal successors, (64), 27 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 13:56:46,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 13:56:46,459 INFO L93 Difference]: Finished difference Result 356 states and 714 transitions. [2022-01-18 13:56:46,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-01-18 13:56:46,475 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 2.4615384615384617) internal successors, (64), 27 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2022-01-18 13:56:46,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 13:56:46,476 INFO L225 Difference]: With dead ends: 356 [2022-01-18 13:56:46,476 INFO L226 Difference]: Without dead ends: 234 [2022-01-18 13:56:46,477 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 418 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=543, Invalid=2997, Unknown=0, NotChecked=0, Total=3540 [2022-01-18 13:56:46,477 INFO L933 BasicCegarLoop]: 79 mSDtfsCounter, 419 mSDsluCounter, 1261 mSDsCounter, 0 mSdLazyCounter, 1207 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 419 SdHoareTripleChecker+Valid, 1338 SdHoareTripleChecker+Invalid, 1258 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 1207 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-18 13:56:46,477 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [419 Valid, 1338 Invalid, 1258 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 1207 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-18 13:56:46,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states. [2022-01-18 13:56:46,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 234. [2022-01-18 13:56:46,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 234 states, 233 states have (on average 1.9914163090128756) internal successors, (464), 233 states have internal predecessors, (464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 13:56:46,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 464 transitions. [2022-01-18 13:56:46,481 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 464 transitions. Word has length 64 [2022-01-18 13:56:46,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 13:56:46,481 INFO L470 AbstractCegarLoop]: Abstraction has 234 states and 464 transitions. [2022-01-18 13:56:46,481 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 2.4615384615384617) internal successors, (64), 27 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 13:56:46,481 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 464 transitions. [2022-01-18 13:56:46,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-01-18 13:56:46,482 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 13:56:46,482 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 13:56:46,482 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-01-18 13:56:46,482 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [barErr0ASSERT_VIOLATIONASSERT, fooErr2INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1INUSE_VIOLATION (and 2 more)] === [2022-01-18 13:56:46,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 13:56:46,482 INFO L85 PathProgramCache]: Analyzing trace with hash -678660247, now seen corresponding path program 12 times [2022-01-18 13:56:46,482 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 13:56:46,482 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [469557076] [2022-01-18 13:56:46,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 13:56:46,482 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 13:56:46,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 13:56:46,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 13:56:46,832 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 13:56:46,832 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [469557076] [2022-01-18 13:56:46,833 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [469557076] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 13:56:46,833 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 13:56:46,833 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 13:56:46,833 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [127956377] [2022-01-18 13:56:46,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 13:56:46,833 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 13:56:46,833 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 13:56:46,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 13:56:46,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=649, Unknown=0, NotChecked=0, Total=702 [2022-01-18 13:56:46,834 INFO L87 Difference]: Start difference. First operand 234 states and 464 transitions. Second operand has 27 states, 26 states have (on average 2.4615384615384617) internal successors, (64), 27 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 13:56:48,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 13:56:48,102 INFO L93 Difference]: Finished difference Result 340 states and 666 transitions. [2022-01-18 13:56:48,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-01-18 13:56:48,103 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 2.4615384615384617) internal successors, (64), 27 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2022-01-18 13:56:48,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 13:56:48,103 INFO L225 Difference]: With dead ends: 340 [2022-01-18 13:56:48,103 INFO L226 Difference]: Without dead ends: 222 [2022-01-18 13:56:48,104 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 398 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=517, Invalid=2905, Unknown=0, NotChecked=0, Total=3422 [2022-01-18 13:56:48,104 INFO L933 BasicCegarLoop]: 76 mSDtfsCounter, 434 mSDsluCounter, 1233 mSDsCounter, 0 mSdLazyCounter, 1211 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 434 SdHoareTripleChecker+Valid, 1307 SdHoareTripleChecker+Invalid, 1252 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 1211 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-18 13:56:48,105 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [434 Valid, 1307 Invalid, 1252 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 1211 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-18 13:56:48,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2022-01-18 13:56:48,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 222. [2022-01-18 13:56:48,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 222 states, 221 states have (on average 1.9502262443438914) internal successors, (431), 221 states have internal predecessors, (431), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 13:56:48,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 431 transitions. [2022-01-18 13:56:48,108 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 431 transitions. Word has length 64 [2022-01-18 13:56:48,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 13:56:48,108 INFO L470 AbstractCegarLoop]: Abstraction has 222 states and 431 transitions. [2022-01-18 13:56:48,108 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 2.4615384615384617) internal successors, (64), 27 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 13:56:48,108 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 431 transitions. [2022-01-18 13:56:48,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-01-18 13:56:48,108 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 13:56:48,109 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 13:56:48,109 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-01-18 13:56:48,109 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [barErr0ASSERT_VIOLATIONASSERT, fooErr2INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1INUSE_VIOLATION (and 2 more)] === [2022-01-18 13:56:48,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 13:56:48,109 INFO L85 PathProgramCache]: Analyzing trace with hash -589632081, now seen corresponding path program 13 times [2022-01-18 13:56:48,109 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 13:56:48,109 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1654809963] [2022-01-18 13:56:48,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 13:56:48,109 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 13:56:48,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 13:56:48,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 13:56:48,411 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 13:56:48,411 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1654809963] [2022-01-18 13:56:48,411 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1654809963] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 13:56:48,411 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 13:56:48,411 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 13:56:48,411 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [127347661] [2022-01-18 13:56:48,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 13:56:48,412 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 13:56:48,412 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 13:56:48,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 13:56:48,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=646, Unknown=0, NotChecked=0, Total=702 [2022-01-18 13:56:48,412 INFO L87 Difference]: Start difference. First operand 222 states and 431 transitions. Second operand has 27 states, 26 states have (on average 2.4615384615384617) internal successors, (64), 27 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 13:56:49,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 13:56:49,843 INFO L93 Difference]: Finished difference Result 336 states and 651 transitions. [2022-01-18 13:56:49,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-01-18 13:56:49,843 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 2.4615384615384617) internal successors, (64), 27 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2022-01-18 13:56:49,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 13:56:49,844 INFO L225 Difference]: With dead ends: 336 [2022-01-18 13:56:49,844 INFO L226 Difference]: Without dead ends: 210 [2022-01-18 13:56:49,845 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 457 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=545, Invalid=2877, Unknown=0, NotChecked=0, Total=3422 [2022-01-18 13:56:49,845 INFO L933 BasicCegarLoop]: 75 mSDtfsCounter, 441 mSDsluCounter, 1231 mSDsCounter, 0 mSdLazyCounter, 1180 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 441 SdHoareTripleChecker+Valid, 1302 SdHoareTripleChecker+Invalid, 1220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 1180 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-18 13:56:49,845 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [441 Valid, 1302 Invalid, 1220 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 1180 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-18 13:56:49,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2022-01-18 13:56:49,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 210. [2022-01-18 13:56:49,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 210 states, 209 states have (on average 1.9043062200956937) internal successors, (398), 209 states have internal predecessors, (398), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 13:56:49,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 398 transitions. [2022-01-18 13:56:49,848 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 398 transitions. Word has length 64 [2022-01-18 13:56:49,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 13:56:49,849 INFO L470 AbstractCegarLoop]: Abstraction has 210 states and 398 transitions. [2022-01-18 13:56:49,849 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 2.4615384615384617) internal successors, (64), 27 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 13:56:49,849 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 398 transitions. [2022-01-18 13:56:49,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-01-18 13:56:49,849 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 13:56:49,849 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 13:56:49,849 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-01-18 13:56:49,849 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [barErr0ASSERT_VIOLATIONASSERT, fooErr2INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1INUSE_VIOLATION (and 2 more)] === [2022-01-18 13:56:49,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 13:56:49,850 INFO L85 PathProgramCache]: Analyzing trace with hash 1681520809, now seen corresponding path program 14 times [2022-01-18 13:56:49,850 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 13:56:49,850 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [181250921] [2022-01-18 13:56:49,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 13:56:49,850 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 13:56:49,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 13:56:50,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 13:56:50,238 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 13:56:50,239 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [181250921] [2022-01-18 13:56:50,239 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [181250921] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 13:56:50,239 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 13:56:50,239 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 13:56:50,239 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [206927481] [2022-01-18 13:56:50,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 13:56:50,239 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 13:56:50,239 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 13:56:50,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 13:56:50,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=645, Unknown=0, NotChecked=0, Total=702 [2022-01-18 13:56:50,240 INFO L87 Difference]: Start difference. First operand 210 states and 398 transitions. Second operand has 27 states, 26 states have (on average 2.4615384615384617) internal successors, (64), 27 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 13:56:51,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 13:56:51,345 INFO L93 Difference]: Finished difference Result 332 states and 636 transitions. [2022-01-18 13:56:51,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-01-18 13:56:51,345 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 2.4615384615384617) internal successors, (64), 27 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2022-01-18 13:56:51,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 13:56:51,346 INFO L225 Difference]: With dead ends: 332 [2022-01-18 13:56:51,346 INFO L226 Difference]: Without dead ends: 198 [2022-01-18 13:56:51,347 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 489 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=547, Invalid=2875, Unknown=0, NotChecked=0, Total=3422 [2022-01-18 13:56:51,347 INFO L933 BasicCegarLoop]: 73 mSDtfsCounter, 408 mSDsluCounter, 1046 mSDsCounter, 0 mSdLazyCounter, 1029 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 408 SdHoareTripleChecker+Valid, 1115 SdHoareTripleChecker+Invalid, 1070 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 1029 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-18 13:56:51,347 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [408 Valid, 1115 Invalid, 1070 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 1029 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-18 13:56:51,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2022-01-18 13:56:51,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 198. [2022-01-18 13:56:51,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 198 states, 197 states have (on average 1.8527918781725887) internal successors, (365), 197 states have internal predecessors, (365), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 13:56:51,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 365 transitions. [2022-01-18 13:56:51,350 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 365 transitions. Word has length 64 [2022-01-18 13:56:51,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 13:56:51,351 INFO L470 AbstractCegarLoop]: Abstraction has 198 states and 365 transitions. [2022-01-18 13:56:51,351 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 2.4615384615384617) internal successors, (64), 27 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 13:56:51,351 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 365 transitions. [2022-01-18 13:56:51,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-01-18 13:56:51,351 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 13:56:51,351 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 13:56:51,351 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-01-18 13:56:51,351 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [barErr0ASSERT_VIOLATIONASSERT, fooErr2INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1INUSE_VIOLATION (and 2 more)] === [2022-01-18 13:56:51,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 13:56:51,352 INFO L85 PathProgramCache]: Analyzing trace with hash 1102357615, now seen corresponding path program 15 times [2022-01-18 13:56:51,352 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 13:56:51,352 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1282414478] [2022-01-18 13:56:51,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 13:56:51,352 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 13:56:51,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 13:56:51,666 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 13:56:51,666 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 13:56:51,667 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1282414478] [2022-01-18 13:56:51,667 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1282414478] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 13:56:51,667 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 13:56:51,667 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 13:56:51,667 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921347566] [2022-01-18 13:56:51,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 13:56:51,667 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 13:56:51,667 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 13:56:51,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 13:56:51,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=646, Unknown=0, NotChecked=0, Total=702 [2022-01-18 13:56:51,668 INFO L87 Difference]: Start difference. First operand 198 states and 365 transitions. Second operand has 27 states, 26 states have (on average 2.4615384615384617) internal successors, (64), 27 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 13:56:53,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 13:56:53,086 INFO L93 Difference]: Finished difference Result 328 states and 621 transitions. [2022-01-18 13:56:53,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-01-18 13:56:53,087 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 2.4615384615384617) internal successors, (64), 27 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2022-01-18 13:56:53,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 13:56:53,087 INFO L225 Difference]: With dead ends: 328 [2022-01-18 13:56:53,087 INFO L226 Difference]: Without dead ends: 186 [2022-01-18 13:56:53,088 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 457 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=547, Invalid=2875, Unknown=0, NotChecked=0, Total=3422 [2022-01-18 13:56:53,089 INFO L933 BasicCegarLoop]: 71 mSDtfsCounter, 422 mSDsluCounter, 1234 mSDsCounter, 0 mSdLazyCounter, 1184 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 422 SdHoareTripleChecker+Valid, 1297 SdHoareTripleChecker+Invalid, 1224 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 1184 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-18 13:56:53,089 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [422 Valid, 1297 Invalid, 1224 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 1184 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-18 13:56:53,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2022-01-18 13:56:53,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 186. [2022-01-18 13:56:53,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 186 states, 185 states have (on average 1.8432432432432433) internal successors, (341), 185 states have internal predecessors, (341), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 13:56:53,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 341 transitions. [2022-01-18 13:56:53,091 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 341 transitions. Word has length 64 [2022-01-18 13:56:53,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 13:56:53,091 INFO L470 AbstractCegarLoop]: Abstraction has 186 states and 341 transitions. [2022-01-18 13:56:53,092 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 2.4615384615384617) internal successors, (64), 27 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 13:56:53,092 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 341 transitions. [2022-01-18 13:56:53,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-01-18 13:56:53,092 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 13:56:53,092 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 13:56:53,092 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-01-18 13:56:53,092 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [barErr0ASSERT_VIOLATIONASSERT, fooErr2INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1INUSE_VIOLATION (and 2 more)] === [2022-01-18 13:56:53,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 13:56:53,093 INFO L85 PathProgramCache]: Analyzing trace with hash -1705295993, now seen corresponding path program 16 times [2022-01-18 13:56:53,093 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 13:56:53,093 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [68577287] [2022-01-18 13:56:53,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 13:56:53,093 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 13:56:53,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 13:56:53,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 13:56:53,413 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 13:56:53,413 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [68577287] [2022-01-18 13:56:53,413 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [68577287] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 13:56:53,413 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 13:56:53,413 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 13:56:53,413 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [544165624] [2022-01-18 13:56:53,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 13:56:53,414 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 13:56:53,414 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 13:56:53,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 13:56:53,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=646, Unknown=0, NotChecked=0, Total=702 [2022-01-18 13:56:53,414 INFO L87 Difference]: Start difference. First operand 186 states and 341 transitions. Second operand has 27 states, 26 states have (on average 2.4615384615384617) internal successors, (64), 27 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 13:56:54,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 13:56:54,808 INFO L93 Difference]: Finished difference Result 324 states and 609 transitions. [2022-01-18 13:56:54,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-01-18 13:56:54,809 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 2.4615384615384617) internal successors, (64), 27 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2022-01-18 13:56:54,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 13:56:54,809 INFO L225 Difference]: With dead ends: 324 [2022-01-18 13:56:54,810 INFO L226 Difference]: Without dead ends: 174 [2022-01-18 13:56:54,810 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 457 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=548, Invalid=2874, Unknown=0, NotChecked=0, Total=3422 [2022-01-18 13:56:54,810 INFO L933 BasicCegarLoop]: 69 mSDtfsCounter, 441 mSDsluCounter, 1144 mSDsCounter, 0 mSdLazyCounter, 1093 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 441 SdHoareTripleChecker+Valid, 1205 SdHoareTripleChecker+Invalid, 1135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 1093 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-18 13:56:54,811 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [441 Valid, 1205 Invalid, 1135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 1093 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-18 13:56:54,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2022-01-18 13:56:54,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 174. [2022-01-18 13:56:54,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 174 states, 173 states have (on average 1.8323699421965318) internal successors, (317), 173 states have internal predecessors, (317), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 13:56:54,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 317 transitions. [2022-01-18 13:56:54,813 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 317 transitions. Word has length 64 [2022-01-18 13:56:54,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 13:56:54,813 INFO L470 AbstractCegarLoop]: Abstraction has 174 states and 317 transitions. [2022-01-18 13:56:54,813 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 2.4615384615384617) internal successors, (64), 27 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 13:56:54,813 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 317 transitions. [2022-01-18 13:56:54,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-01-18 13:56:54,814 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 13:56:54,814 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 13:56:54,814 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-01-18 13:56:54,814 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [barErr0ASSERT_VIOLATIONASSERT, fooErr2INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1INUSE_VIOLATION (and 2 more)] === [2022-01-18 13:56:54,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 13:56:54,816 INFO L85 PathProgramCache]: Analyzing trace with hash 2123493353, now seen corresponding path program 17 times [2022-01-18 13:56:54,816 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 13:56:54,816 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [104679036] [2022-01-18 13:56:54,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 13:56:54,817 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 13:56:54,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 13:56:55,137 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 13:56:55,137 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 13:56:55,137 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [104679036] [2022-01-18 13:56:55,137 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [104679036] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 13:56:55,137 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 13:56:55,137 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 13:56:55,137 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [703441860] [2022-01-18 13:56:55,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 13:56:55,137 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 13:56:55,138 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 13:56:55,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 13:56:55,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=645, Unknown=0, NotChecked=0, Total=702 [2022-01-18 13:56:55,138 INFO L87 Difference]: Start difference. First operand 174 states and 317 transitions. Second operand has 27 states, 26 states have (on average 2.4615384615384617) internal successors, (64), 27 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 13:56:56,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 13:56:56,199 INFO L93 Difference]: Finished difference Result 314 states and 588 transitions. [2022-01-18 13:56:56,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-01-18 13:56:56,199 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 2.4615384615384617) internal successors, (64), 27 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2022-01-18 13:56:56,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 13:56:56,200 INFO L225 Difference]: With dead ends: 314 [2022-01-18 13:56:56,200 INFO L226 Difference]: Without dead ends: 171 [2022-01-18 13:56:56,200 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 489 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=549, Invalid=2873, Unknown=0, NotChecked=0, Total=3422 [2022-01-18 13:56:56,201 INFO L933 BasicCegarLoop]: 64 mSDtfsCounter, 429 mSDsluCounter, 1030 mSDsCounter, 0 mSdLazyCounter, 1027 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 429 SdHoareTripleChecker+Valid, 1084 SdHoareTripleChecker+Invalid, 1074 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 1027 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-18 13:56:56,201 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [429 Valid, 1084 Invalid, 1074 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 1027 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-18 13:56:56,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2022-01-18 13:56:56,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 171. [2022-01-18 13:56:56,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 171 states, 170 states have (on average 1.8294117647058823) internal successors, (311), 170 states have internal predecessors, (311), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 13:56:56,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 311 transitions. [2022-01-18 13:56:56,203 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 311 transitions. Word has length 64 [2022-01-18 13:56:56,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 13:56:56,203 INFO L470 AbstractCegarLoop]: Abstraction has 171 states and 311 transitions. [2022-01-18 13:56:56,203 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 2.4615384615384617) internal successors, (64), 27 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 13:56:56,203 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 311 transitions. [2022-01-18 13:56:56,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-01-18 13:56:56,204 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 13:56:56,204 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 13:56:56,204 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-01-18 13:56:56,204 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [barErr0ASSERT_VIOLATIONASSERT, fooErr2INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1INUSE_VIOLATION (and 2 more)] === [2022-01-18 13:56:56,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 13:56:56,205 INFO L85 PathProgramCache]: Analyzing trace with hash -1458035153, now seen corresponding path program 18 times [2022-01-18 13:56:56,205 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 13:56:56,205 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1621659273] [2022-01-18 13:56:56,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 13:56:56,205 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 13:56:56,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 13:56:56,524 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 13:56:56,524 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 13:56:56,524 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1621659273] [2022-01-18 13:56:56,524 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1621659273] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 13:56:56,524 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 13:56:56,524 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 13:56:56,525 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1899166128] [2022-01-18 13:56:56,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 13:56:56,525 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 13:56:56,525 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 13:56:56,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 13:56:56,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=645, Unknown=0, NotChecked=0, Total=702 [2022-01-18 13:56:56,525 INFO L87 Difference]: Start difference. First operand 171 states and 311 transitions. Second operand has 27 states, 26 states have (on average 2.4615384615384617) internal successors, (64), 27 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 13:56:57,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 13:56:57,626 INFO L93 Difference]: Finished difference Result 315 states and 588 transitions. [2022-01-18 13:56:57,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-01-18 13:56:57,631 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 2.4615384615384617) internal successors, (64), 27 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2022-01-18 13:56:57,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 13:56:57,631 INFO L225 Difference]: With dead ends: 315 [2022-01-18 13:56:57,631 INFO L226 Difference]: Without dead ends: 165 [2022-01-18 13:56:57,632 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 489 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=549, Invalid=2873, Unknown=0, NotChecked=0, Total=3422 [2022-01-18 13:56:57,632 INFO L933 BasicCegarLoop]: 62 mSDtfsCounter, 394 mSDsluCounter, 1030 mSDsCounter, 0 mSdLazyCounter, 1043 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 394 SdHoareTripleChecker+Valid, 1077 SdHoareTripleChecker+Invalid, 1087 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 1043 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-18 13:56:57,632 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [394 Valid, 1077 Invalid, 1087 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 1043 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-18 13:56:57,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2022-01-18 13:56:57,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 165. [2022-01-18 13:56:57,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 164 states have (on average 1.8231707317073171) internal successors, (299), 164 states have internal predecessors, (299), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 13:56:57,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 299 transitions. [2022-01-18 13:56:57,635 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 299 transitions. Word has length 64 [2022-01-18 13:56:57,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 13:56:57,635 INFO L470 AbstractCegarLoop]: Abstraction has 165 states and 299 transitions. [2022-01-18 13:56:57,635 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 2.4615384615384617) internal successors, (64), 27 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 13:56:57,635 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 299 transitions. [2022-01-18 13:56:57,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-01-18 13:56:57,635 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 13:56:57,635 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 13:56:57,635 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-01-18 13:56:57,635 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [barErr0ASSERT_VIOLATIONASSERT, fooErr2INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1INUSE_VIOLATION (and 2 more)] === [2022-01-18 13:56:57,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 13:56:57,636 INFO L85 PathProgramCache]: Analyzing trace with hash -1311089425, now seen corresponding path program 19 times [2022-01-18 13:56:57,636 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 13:56:57,636 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1405674805] [2022-01-18 13:56:57,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 13:56:57,636 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 13:56:57,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 13:56:57,950 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 13:56:57,951 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 13:56:57,951 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1405674805] [2022-01-18 13:56:57,951 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1405674805] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 13:56:57,951 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 13:56:57,951 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-01-18 13:56:57,951 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1448690422] [2022-01-18 13:56:57,951 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 13:56:57,951 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-18 13:56:57,951 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 13:56:57,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-18 13:56:57,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=645, Unknown=0, NotChecked=0, Total=702 [2022-01-18 13:56:57,952 INFO L87 Difference]: Start difference. First operand 165 states and 299 transitions. Second operand has 27 states, 26 states have (on average 2.4615384615384617) internal successors, (64), 27 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 13:56:59,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 13:56:59,022 INFO L93 Difference]: Finished difference Result 164 states and 298 transitions. [2022-01-18 13:56:59,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-01-18 13:56:59,022 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 2.4615384615384617) internal successors, (64), 27 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2022-01-18 13:56:59,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 13:56:59,023 INFO L225 Difference]: With dead ends: 164 [2022-01-18 13:56:59,023 INFO L226 Difference]: Without dead ends: 0 [2022-01-18 13:56:59,023 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 489 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=549, Invalid=2873, Unknown=0, NotChecked=0, Total=3422 [2022-01-18 13:56:59,024 INFO L933 BasicCegarLoop]: 59 mSDtfsCounter, 322 mSDsluCounter, 839 mSDsCounter, 0 mSdLazyCounter, 932 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 322 SdHoareTripleChecker+Valid, 898 SdHoareTripleChecker+Invalid, 973 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 932 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-18 13:56:59,024 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [322 Valid, 898 Invalid, 973 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 932 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-18 13:56:59,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-01-18 13:56:59,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-01-18 13:56:59,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 13:56:59,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-01-18 13:56:59,024 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 64 [2022-01-18 13:56:59,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 13:56:59,024 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-01-18 13:56:59,025 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 2.4615384615384617) internal successors, (64), 27 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 13:56:59,025 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-01-18 13:56:59,025 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-01-18 13:56:59,026 INFO L764 garLoopResultBuilder]: Registering result SAFE for location barErr0ASSERT_VIOLATIONASSERT (5 of 6 remaining) [2022-01-18 13:56:59,027 INFO L764 garLoopResultBuilder]: Registering result SAFE for location fooErr2INUSE_VIOLATION (4 of 6 remaining) [2022-01-18 13:56:59,027 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 6 remaining) [2022-01-18 13:56:59,027 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION (2 of 6 remaining) [2022-01-18 13:56:59,027 INFO L764 garLoopResultBuilder]: Registering result SAFE for location barErr0ASSERT_VIOLATIONASSERT (1 of 6 remaining) [2022-01-18 13:56:59,027 INFO L764 garLoopResultBuilder]: Registering result SAFE for location fooThread1of1ForFork0Err0INUSE_VIOLATION (0 of 6 remaining) [2022-01-18 13:56:59,027 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-01-18 13:56:59,029 INFO L732 BasicCegarLoop]: Path program histogram: [19, 1] [2022-01-18 13:56:59,031 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-01-18 13:56:59,031 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-18 13:56:59,033 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.01 01:56:59 BasicIcfg [2022-01-18 13:56:59,033 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-18 13:56:59,033 INFO L158 Benchmark]: Toolchain (without parser) took 37007.18ms. Allocated memory was 348.1MB in the beginning and 503.3MB in the end (delta: 155.2MB). Free memory was 298.9MB in the beginning and 192.7MB in the end (delta: 106.2MB). Peak memory consumption was 266.6MB. Max. memory is 16.0GB. [2022-01-18 13:56:59,033 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 348.1MB. Free memory is still 317.2MB. There was no memory consumed. Max. memory is 16.0GB. [2022-01-18 13:56:59,033 INFO L158 Benchmark]: CACSL2BoogieTranslator took 170.89ms. Allocated memory is still 348.1MB. Free memory was 298.7MB in the beginning and 321.2MB in the end (delta: -22.5MB). Peak memory consumption was 7.0MB. Max. memory is 16.0GB. [2022-01-18 13:56:59,033 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.40ms. Allocated memory is still 348.1MB. Free memory was 321.2MB in the beginning and 319.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2022-01-18 13:56:59,034 INFO L158 Benchmark]: Boogie Preprocessor took 12.86ms. Allocated memory is still 348.1MB. Free memory was 319.1MB in the beginning and 318.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2022-01-18 13:56:59,034 INFO L158 Benchmark]: RCFGBuilder took 289.02ms. Allocated memory is still 348.1MB. Free memory was 318.1MB in the beginning and 304.4MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.0GB. [2022-01-18 13:56:59,034 INFO L158 Benchmark]: TraceAbstraction took 36504.56ms. Allocated memory was 348.1MB in the beginning and 503.3MB in the end (delta: 155.2MB). Free memory was 304.4MB in the beginning and 192.7MB in the end (delta: 111.7MB). Peak memory consumption was 270.1MB. Max. memory is 16.0GB. [2022-01-18 13:56:59,034 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 348.1MB. Free memory is still 317.2MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 170.89ms. Allocated memory is still 348.1MB. Free memory was 298.7MB in the beginning and 321.2MB in the end (delta: -22.5MB). Peak memory consumption was 7.0MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 25.40ms. Allocated memory is still 348.1MB. Free memory was 321.2MB in the beginning and 319.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 12.86ms. Allocated memory is still 348.1MB. Free memory was 319.1MB in the beginning and 318.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * RCFGBuilder took 289.02ms. Allocated memory is still 348.1MB. Free memory was 318.1MB in the beginning and 304.4MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.0GB. * TraceAbstraction took 36504.56ms. Allocated memory was 348.1MB in the beginning and 503.3MB in the end (delta: 155.2MB). Free memory was 304.4MB in the beginning and 192.7MB in the end (delta: 111.7MB). Peak memory consumption was 270.1MB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 19]: assertion always holds For all program executions holds that assertion always holds at this location - PositiveResult [Line: 45]: assertion always holds For all program executions holds that assertion always holds at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 119 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 36.4s, OverallIterations: 20, TraceHistogramMax: 1, PathProgramHistogramMax: 19, EmptinessCheckTime: 0.0s, AutomataDifference: 28.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 7568 SdHoareTripleChecker+Valid, 9.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7568 mSDsluCounter, 26383 SdHoareTripleChecker+Invalid, 7.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 24887 mSDsCounter, 993 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 23642 IncrementalHoareTripleChecker+Invalid, 24635 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 993 mSolverCounterUnsat, 1587 mSDtfsCounter, 23642 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1162 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 1125 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9271 ImplicationChecksByTransitivity, 23.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=386occurred in iteration=0, InterpolantAutomatonStates: 713, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 20 MinimizatonAttempts, 20 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 7.0s InterpolantComputationTime, 1245 NumberOfCodeBlocks, 1245 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 1225 ConstructedInterpolants, 0 QuantifiedInterpolants, 13120 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 20 InterpolantComputations, 20 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-01-18 13:56:59,069 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...