/usr/bin/java -Xmx8000000000 -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.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/36-apron_22-traces-write-centered-vs-meet-mutex_true_no-overflow.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.abstract-por-f0ea240 [2022-02-10 22:08:24,449 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-10 22:08:24,451 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-10 22:08:24,511 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-10 22:08:24,511 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-10 22:08:24,513 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-10 22:08:24,514 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-10 22:08:24,517 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-10 22:08:24,518 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-10 22:08:24,522 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-10 22:08:24,522 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-10 22:08:24,523 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-10 22:08:24,524 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-10 22:08:24,525 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-10 22:08:24,526 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-10 22:08:24,528 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-10 22:08:24,528 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-10 22:08:24,529 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-10 22:08:24,530 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-10 22:08:24,534 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-10 22:08:24,535 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-10 22:08:24,536 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-10 22:08:24,537 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-10 22:08:24,538 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-10 22:08:24,542 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-10 22:08:24,542 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-10 22:08:24,543 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-10 22:08:24,544 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-10 22:08:24,544 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-10 22:08:24,544 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-10 22:08:24,545 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-10 22:08:24,545 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-10 22:08:24,546 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-10 22:08:24,547 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-10 22:08:24,548 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-10 22:08:24,548 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-10 22:08:24,548 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-10 22:08:24,548 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-10 22:08:24,548 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-10 22:08:24,549 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-10 22:08:24,549 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-10 22:08:24,550 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.epf [2022-02-10 22:08:24,572 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-10 22:08:24,572 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-10 22:08:24,572 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-10 22:08:24,572 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-10 22:08:24,573 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-10 22:08:24,573 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-10 22:08:24,573 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-10 22:08:24,573 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-10 22:08:24,573 INFO L138 SettingsManager]: * Use SBE=true [2022-02-10 22:08:24,574 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-10 22:08:24,574 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-10 22:08:24,574 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-10 22:08:24,574 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-10 22:08:24,574 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-10 22:08:24,574 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-10 22:08:24,575 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-10 22:08:24,575 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-10 22:08:24,575 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-10 22:08:24,575 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-10 22:08:24,575 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-10 22:08:24,575 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-10 22:08:24,575 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-10 22:08:24,575 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-10 22:08:24,575 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-10 22:08:24,576 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-10 22:08:24,576 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-10 22:08:24,576 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-10 22:08:24,576 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-10 22:08:24,576 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-10 22:08:24,577 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-10 22:08:24,577 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-10 22:08:24,577 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-10 22:08:24,577 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-10 22:08:24,577 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-10 22:08:24,759 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-10 22:08:24,785 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-10 22:08:24,787 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-10 22:08:24,787 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-10 22:08:24,789 INFO L275 PluginConnector]: CDTParser initialized [2022-02-10 22:08:24,790 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/36-apron_22-traces-write-centered-vs-meet-mutex_true_no-overflow.i [2022-02-10 22:08:24,839 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e91aa3d74/ea72057c7bbb4b2bb59c43a53006cac7/FLAG6bca272bb [2022-02-10 22:08:25,319 INFO L306 CDTParser]: Found 1 translation units. [2022-02-10 22:08:25,320 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/36-apron_22-traces-write-centered-vs-meet-mutex_true_no-overflow.i [2022-02-10 22:08:25,328 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e91aa3d74/ea72057c7bbb4b2bb59c43a53006cac7/FLAG6bca272bb [2022-02-10 22:08:25,811 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e91aa3d74/ea72057c7bbb4b2bb59c43a53006cac7 [2022-02-10 22:08:25,813 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-10 22:08:25,814 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-10 22:08:25,816 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-10 22:08:25,816 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-10 22:08:25,823 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-10 22:08:25,823 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.02 10:08:25" (1/1) ... [2022-02-10 22:08:25,824 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16b3978d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 10:08:25, skipping insertion in model container [2022-02-10 22:08:25,824 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.02 10:08:25" (1/1) ... [2022-02-10 22:08:25,829 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-10 22:08:25,871 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-10 22:08:26,040 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/36-apron_22-traces-write-centered-vs-meet-mutex_true_no-overflow.i[1120,1133] [2022-02-10 22:08:26,121 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-10 22:08:26,128 INFO L203 MainTranslator]: Completed pre-run [2022-02-10 22:08:26,135 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/36-apron_22-traces-write-centered-vs-meet-mutex_true_no-overflow.i[1120,1133] [2022-02-10 22:08:26,153 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-10 22:08:26,174 INFO L208 MainTranslator]: Completed translation [2022-02-10 22:08:26,174 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 10:08:26 WrapperNode [2022-02-10 22:08:26,175 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-10 22:08:26,175 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-10 22:08:26,175 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-10 22:08:26,176 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-10 22:08:26,180 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 10:08:26" (1/1) ... [2022-02-10 22:08:26,199 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 10:08:26" (1/1) ... [2022-02-10 22:08:26,221 INFO L137 Inliner]: procedures = 165, calls = 42, calls flagged for inlining = 9, calls inlined = 11, statements flattened = 139 [2022-02-10 22:08:26,222 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-10 22:08:26,222 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-10 22:08:26,223 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-10 22:08:26,223 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-10 22:08:26,227 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 10:08:26" (1/1) ... [2022-02-10 22:08:26,227 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 10:08:26" (1/1) ... [2022-02-10 22:08:26,241 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 10:08:26" (1/1) ... [2022-02-10 22:08:26,241 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 10:08:26" (1/1) ... [2022-02-10 22:08:26,244 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 10:08:26" (1/1) ... [2022-02-10 22:08:26,245 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 10:08:26" (1/1) ... [2022-02-10 22:08:26,246 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 10:08:26" (1/1) ... [2022-02-10 22:08:26,248 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-10 22:08:26,249 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-10 22:08:26,249 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-10 22:08:26,249 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-10 22:08:26,259 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 10:08:26" (1/1) ... [2022-02-10 22:08:26,263 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-10 22:08:26,270 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-10 22:08:26,297 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) [2022-02-10 22:08:26,321 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 [2022-02-10 22:08:26,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-10 22:08:26,350 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-02-10 22:08:26,350 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-10 22:08:26,350 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-10 22:08:26,350 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-02-10 22:08:26,350 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-02-10 22:08:26,350 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-10 22:08:26,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-10 22:08:26,351 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-10 22:08:26,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-10 22:08:26,352 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-10 22:08:26,476 INFO L234 CfgBuilder]: Building ICFG [2022-02-10 22:08:26,477 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-10 22:08:26,747 INFO L275 CfgBuilder]: Performing block encoding [2022-02-10 22:08:26,754 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-10 22:08:26,754 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-10 22:08:26,755 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.02 10:08:26 BoogieIcfgContainer [2022-02-10 22:08:26,755 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-10 22:08:26,757 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-10 22:08:26,757 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-10 22:08:26,766 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-10 22:08:26,766 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.02 10:08:25" (1/3) ... [2022-02-10 22:08:26,767 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5947956b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.02 10:08:26, skipping insertion in model container [2022-02-10 22:08:26,767 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 10:08:26" (2/3) ... [2022-02-10 22:08:26,767 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5947956b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.02 10:08:26, skipping insertion in model container [2022-02-10 22:08:26,767 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.02 10:08:26" (3/3) ... [2022-02-10 22:08:26,768 INFO L112 eAbstractionObserver]: Analyzing ICFG 36-apron_22-traces-write-centered-vs-meet-mutex_true_no-overflow.i [2022-02-10 22:08:26,772 WARN L154 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-10 22:08:26,772 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-10 22:08:26,772 INFO L168 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-02-10 22:08:26,772 INFO L538 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-10 22:08:26,818 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,819 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,819 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,819 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,819 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,819 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,819 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,819 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,819 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,820 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,821 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,821 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,822 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,822 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,822 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,822 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,822 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,822 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,824 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,824 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_~y~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,824 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,824 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_~y~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,824 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,825 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,825 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,825 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,826 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,826 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_~z~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,827 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,827 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_~z~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,827 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,827 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,827 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,827 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,827 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,828 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,828 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,828 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,828 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,829 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,829 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,829 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,829 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,829 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,829 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,829 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,830 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,830 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,830 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,830 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,830 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_~y~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,830 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_~y~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,831 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_~y~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,831 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,831 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,831 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_~y~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,831 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,831 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,831 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,831 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,832 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,832 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,832 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,832 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,832 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,832 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,832 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,832 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,833 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,833 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,833 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,833 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,834 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_~y~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,835 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,835 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,835 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_~y~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,835 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,835 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,835 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,836 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,836 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,836 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,836 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,836 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,836 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,836 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,837 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,837 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,838 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,839 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,839 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,839 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,839 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,840 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,842 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,846 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,847 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,847 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,847 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,847 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,847 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,847 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,847 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,847 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,847 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,848 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,848 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,848 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,848 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,848 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,848 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,849 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,849 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,849 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,849 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,849 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,849 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,849 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,850 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,850 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,850 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,850 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,850 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,850 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,850 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,850 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,851 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,851 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,851 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,851 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,851 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,851 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,851 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,852 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,852 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,852 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,852 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,852 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,852 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,852 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,853 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,853 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,853 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,853 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,853 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,854 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,854 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,854 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~ret7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,854 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,854 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~ret7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,854 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~ret7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,854 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~ret7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,855 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~ret7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,855 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~ret7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,855 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~ret7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,855 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~ret7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,855 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_~z~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,855 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_~z~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,855 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_~z~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,855 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,856 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,856 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_~z~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,856 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,856 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,857 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,857 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,857 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,857 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,857 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,857 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,858 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,858 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,858 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,858 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,862 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,863 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,863 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,863 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,863 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,863 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,863 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_~y~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,863 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,864 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_~z~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,864 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,864 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,864 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,864 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,864 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,864 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,864 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,865 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,865 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,865 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,865 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,865 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~ret7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,865 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,865 WARN L322 ript$VariableManager]: TermVariable |t_funThread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 22:08:26,867 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-02-10 22:08:26,914 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-10 22:08:26,920 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 [2022-02-10 22:08:26,921 INFO L340 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2022-02-10 22:08:26,931 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 178 places, 183 transitions, 371 flow [2022-02-10 22:08:27,023 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 3717 states, 3714 states have (on average 2.050080775444265) internal successors, (7614), 3716 states have internal predecessors, (7614), 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) [2022-02-10 22:08:27,031 INFO L276 IsEmpty]: Start isEmpty. Operand has 3717 states, 3714 states have (on average 2.050080775444265) internal successors, (7614), 3716 states have internal predecessors, (7614), 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) [2022-02-10 22:08:27,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-02-10 22:08:27,042 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 22:08:27,042 INFO L515 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 22:08:27,043 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr1ASSERT_VIOLATIONERROR_FUNCTION, t_funErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2022-02-10 22:08:27,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 22:08:27,047 INFO L85 PathProgramCache]: Analyzing trace with hash -930805020, now seen corresponding path program 1 times [2022-02-10 22:08:27,053 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 22:08:27,054 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1413417133] [2022-02-10 22:08:27,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 22:08:27,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 22:08:27,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 22:08:27,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 22:08:27,392 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 22:08:27,393 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1413417133] [2022-02-10 22:08:27,393 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1413417133] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 22:08:27,393 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 22:08:27,393 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-02-10 22:08:27,394 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [144336277] [2022-02-10 22:08:27,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 22:08:27,400 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-02-10 22:08:27,401 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 22:08:27,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-02-10 22:08:27,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-02-10 22:08:27,433 INFO L87 Difference]: Start difference. First operand has 3717 states, 3714 states have (on average 2.050080775444265) internal successors, (7614), 3716 states have internal predecessors, (7614), 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 8 states, 8 states have (on average 8.5) internal successors, (68), 8 states have internal predecessors, (68), 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) [2022-02-10 22:08:27,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 22:08:27,768 INFO L93 Difference]: Finished difference Result 5817 states and 11374 transitions. [2022-02-10 22:08:27,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-10 22:08:27,770 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.5) internal successors, (68), 8 states have internal predecessors, (68), 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 68 [2022-02-10 22:08:27,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 22:08:27,798 INFO L225 Difference]: With dead ends: 5817 [2022-02-10 22:08:27,798 INFO L226 Difference]: Without dead ends: 5629 [2022-02-10 22:08:27,799 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=115, Invalid=265, Unknown=0, NotChecked=0, Total=380 [2022-02-10 22:08:27,802 INFO L934 BasicCegarLoop]: 338 mSDtfsCounter, 733 mSDsluCounter, 1385 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 733 SdHoareTripleChecker+Valid, 1723 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-10 22:08:27,802 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [733 Valid, 1723 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-10 22:08:27,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5629 states. [2022-02-10 22:08:27,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5629 to 3737. [2022-02-10 22:08:27,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3737 states, 3728 states have (on average 1.9594957081545064) internal successors, (7305), 3736 states have internal predecessors, (7305), 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) [2022-02-10 22:08:27,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3737 states to 3737 states and 7305 transitions. [2022-02-10 22:08:27,969 INFO L78 Accepts]: Start accepts. Automaton has 3737 states and 7305 transitions. Word has length 68 [2022-02-10 22:08:27,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 22:08:27,970 INFO L470 AbstractCegarLoop]: Abstraction has 3737 states and 7305 transitions. [2022-02-10 22:08:27,970 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.5) internal successors, (68), 8 states have internal predecessors, (68), 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) [2022-02-10 22:08:27,970 INFO L276 IsEmpty]: Start isEmpty. Operand 3737 states and 7305 transitions. [2022-02-10 22:08:27,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-02-10 22:08:27,973 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 22:08:27,973 INFO L515 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 22:08:27,974 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-10 22:08:27,974 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr1ASSERT_VIOLATIONERROR_FUNCTION, t_funErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2022-02-10 22:08:27,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 22:08:27,975 INFO L85 PathProgramCache]: Analyzing trace with hash -1966551276, now seen corresponding path program 1 times [2022-02-10 22:08:27,975 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 22:08:27,975 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [909365796] [2022-02-10 22:08:27,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 22:08:27,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 22:08:28,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 22:08:28,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 22:08:28,155 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 22:08:28,156 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [909365796] [2022-02-10 22:08:28,156 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [909365796] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 22:08:28,156 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 22:08:28,156 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-10 22:08:28,156 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [714763122] [2022-02-10 22:08:28,156 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 22:08:28,157 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-10 22:08:28,157 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 22:08:28,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-10 22:08:28,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-10 22:08:28,158 INFO L87 Difference]: Start difference. First operand 3737 states and 7305 transitions. Second operand has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 6 states have internal predecessors, (76), 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) [2022-02-10 22:08:28,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 22:08:28,240 INFO L93 Difference]: Finished difference Result 3019 states and 5777 transitions. [2022-02-10 22:08:28,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-10 22:08:28,240 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 6 states have internal predecessors, (76), 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 76 [2022-02-10 22:08:28,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 22:08:28,250 INFO L225 Difference]: With dead ends: 3019 [2022-02-10 22:08:28,250 INFO L226 Difference]: Without dead ends: 2991 [2022-02-10 22:08:28,251 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-02-10 22:08:28,252 INFO L934 BasicCegarLoop]: 195 mSDtfsCounter, 481 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 481 SdHoareTripleChecker+Valid, 332 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-10 22:08:28,253 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [481 Valid, 332 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-10 22:08:28,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2991 states. [2022-02-10 22:08:28,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2991 to 2749. [2022-02-10 22:08:28,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2749 states, 2741 states have (on average 1.919372491791317) internal successors, (5261), 2748 states have internal predecessors, (5261), 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) [2022-02-10 22:08:28,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2749 states to 2749 states and 5261 transitions. [2022-02-10 22:08:28,318 INFO L78 Accepts]: Start accepts. Automaton has 2749 states and 5261 transitions. Word has length 76 [2022-02-10 22:08:28,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 22:08:28,319 INFO L470 AbstractCegarLoop]: Abstraction has 2749 states and 5261 transitions. [2022-02-10 22:08:28,319 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 6 states have internal predecessors, (76), 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) [2022-02-10 22:08:28,319 INFO L276 IsEmpty]: Start isEmpty. Operand 2749 states and 5261 transitions. [2022-02-10 22:08:28,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-02-10 22:08:28,321 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 22:08:28,321 INFO L515 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 22:08:28,321 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-10 22:08:28,322 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr1ASSERT_VIOLATIONERROR_FUNCTION, t_funErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2022-02-10 22:08:28,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 22:08:28,322 INFO L85 PathProgramCache]: Analyzing trace with hash 621951114, now seen corresponding path program 1 times [2022-02-10 22:08:28,322 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 22:08:28,322 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [743903764] [2022-02-10 22:08:28,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 22:08:28,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 22:08:28,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 22:08:28,467 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 22:08:28,468 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 22:08:28,468 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [743903764] [2022-02-10 22:08:28,469 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [743903764] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 22:08:28,469 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 22:08:28,469 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-02-10 22:08:28,470 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [508655656] [2022-02-10 22:08:28,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 22:08:28,470 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-02-10 22:08:28,470 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 22:08:28,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-02-10 22:08:28,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-02-10 22:08:28,471 INFO L87 Difference]: Start difference. First operand 2749 states and 5261 transitions. Second operand has 8 states, 8 states have (on average 9.5) internal successors, (76), 8 states have internal predecessors, (76), 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) [2022-02-10 22:08:28,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 22:08:28,634 INFO L93 Difference]: Finished difference Result 3251 states and 6219 transitions. [2022-02-10 22:08:28,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-02-10 22:08:28,678 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.5) internal successors, (76), 8 states have internal predecessors, (76), 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 76 [2022-02-10 22:08:28,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 22:08:28,691 INFO L225 Difference]: With dead ends: 3251 [2022-02-10 22:08:28,692 INFO L226 Difference]: Without dead ends: 3251 [2022-02-10 22:08:28,695 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=97, Invalid=209, Unknown=0, NotChecked=0, Total=306 [2022-02-10 22:08:28,697 INFO L934 BasicCegarLoop]: 226 mSDtfsCounter, 901 mSDsluCounter, 909 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 901 SdHoareTripleChecker+Valid, 1135 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-10 22:08:28,698 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [901 Valid, 1135 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-10 22:08:28,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3251 states. [2022-02-10 22:08:28,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3251 to 2739. [2022-02-10 22:08:28,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2739 states, 2732 states have (on average 1.9191068814055636) internal successors, (5243), 2738 states have internal predecessors, (5243), 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) [2022-02-10 22:08:28,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2739 states to 2739 states and 5243 transitions. [2022-02-10 22:08:28,771 INFO L78 Accepts]: Start accepts. Automaton has 2739 states and 5243 transitions. Word has length 76 [2022-02-10 22:08:28,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 22:08:28,771 INFO L470 AbstractCegarLoop]: Abstraction has 2739 states and 5243 transitions. [2022-02-10 22:08:28,771 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.5) internal successors, (76), 8 states have internal predecessors, (76), 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) [2022-02-10 22:08:28,772 INFO L276 IsEmpty]: Start isEmpty. Operand 2739 states and 5243 transitions. [2022-02-10 22:08:28,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-02-10 22:08:28,774 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 22:08:28,775 INFO L515 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 22:08:28,775 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-10 22:08:28,776 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr1ASSERT_VIOLATIONERROR_FUNCTION, t_funErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2022-02-10 22:08:28,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 22:08:28,776 INFO L85 PathProgramCache]: Analyzing trace with hash -1028267470, now seen corresponding path program 1 times [2022-02-10 22:08:28,776 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 22:08:28,776 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [353423638] [2022-02-10 22:08:28,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 22:08:28,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 22:08:28,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 22:08:28,978 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 22:08:28,979 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 22:08:28,981 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [353423638] [2022-02-10 22:08:28,982 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [353423638] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 22:08:28,982 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 22:08:28,983 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-02-10 22:08:28,983 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2076299934] [2022-02-10 22:08:28,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 22:08:28,984 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-02-10 22:08:28,984 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 22:08:28,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-02-10 22:08:28,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2022-02-10 22:08:28,985 INFO L87 Difference]: Start difference. First operand 2739 states and 5243 transitions. Second operand has 13 states, 13 states have (on average 7.769230769230769) internal successors, (101), 13 states have internal predecessors, (101), 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) [2022-02-10 22:08:29,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 22:08:29,632 INFO L93 Difference]: Finished difference Result 3249 states and 6217 transitions. [2022-02-10 22:08:29,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-10 22:08:29,633 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 7.769230769230769) internal successors, (101), 13 states have internal predecessors, (101), 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 101 [2022-02-10 22:08:29,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 22:08:29,644 INFO L225 Difference]: With dead ends: 3249 [2022-02-10 22:08:29,644 INFO L226 Difference]: Without dead ends: 3249 [2022-02-10 22:08:29,645 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 108 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=338, Invalid=852, Unknown=0, NotChecked=0, Total=1190 [2022-02-10 22:08:29,645 INFO L934 BasicCegarLoop]: 550 mSDtfsCounter, 993 mSDsluCounter, 3802 mSDsCounter, 0 mSdLazyCounter, 371 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 993 SdHoareTripleChecker+Valid, 4345 SdHoareTripleChecker+Invalid, 390 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 371 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-10 22:08:29,646 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [993 Valid, 4345 Invalid, 390 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 371 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-10 22:08:29,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3249 states. [2022-02-10 22:08:29,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3249 to 2737. [2022-02-10 22:08:29,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2737 states, 2731 states have (on average 1.9190772610765288) internal successors, (5241), 2736 states have internal predecessors, (5241), 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) [2022-02-10 22:08:29,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2737 states to 2737 states and 5241 transitions. [2022-02-10 22:08:29,702 INFO L78 Accepts]: Start accepts. Automaton has 2737 states and 5241 transitions. Word has length 101 [2022-02-10 22:08:29,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 22:08:29,703 INFO L470 AbstractCegarLoop]: Abstraction has 2737 states and 5241 transitions. [2022-02-10 22:08:29,703 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 7.769230769230769) internal successors, (101), 13 states have internal predecessors, (101), 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) [2022-02-10 22:08:29,703 INFO L276 IsEmpty]: Start isEmpty. Operand 2737 states and 5241 transitions. [2022-02-10 22:08:29,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-02-10 22:08:29,709 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 22:08:29,709 INFO L515 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 22:08:29,709 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-02-10 22:08:29,709 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr1ASSERT_VIOLATIONERROR_FUNCTION, t_funErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2022-02-10 22:08:29,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 22:08:29,711 INFO L85 PathProgramCache]: Analyzing trace with hash -1007155995, now seen corresponding path program 1 times [2022-02-10 22:08:29,711 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 22:08:29,711 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1617488981] [2022-02-10 22:08:29,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 22:08:29,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 22:08:29,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 22:08:29,850 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 22:08:29,850 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 22:08:29,851 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1617488981] [2022-02-10 22:08:29,851 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1617488981] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 22:08:29,852 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 22:08:29,852 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-02-10 22:08:29,852 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1199676793] [2022-02-10 22:08:29,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 22:08:29,853 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-02-10 22:08:29,853 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 22:08:29,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-02-10 22:08:29,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-02-10 22:08:29,854 INFO L87 Difference]: Start difference. First operand 2737 states and 5241 transitions. Second operand has 8 states, 8 states have (on average 13.125) internal successors, (105), 8 states have internal predecessors, (105), 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) [2022-02-10 22:08:30,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 22:08:30,009 INFO L93 Difference]: Finished difference Result 3097 states and 5919 transitions. [2022-02-10 22:08:30,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-10 22:08:30,010 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 13.125) internal successors, (105), 8 states have internal predecessors, (105), 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 105 [2022-02-10 22:08:30,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 22:08:30,028 INFO L225 Difference]: With dead ends: 3097 [2022-02-10 22:08:30,028 INFO L226 Difference]: Without dead ends: 3097 [2022-02-10 22:08:30,029 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=79, Invalid=161, Unknown=0, NotChecked=0, Total=240 [2022-02-10 22:08:30,029 INFO L934 BasicCegarLoop]: 386 mSDtfsCounter, 386 mSDsluCounter, 1477 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 386 SdHoareTripleChecker+Valid, 1861 SdHoareTripleChecker+Invalid, 154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-10 22:08:30,030 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [386 Valid, 1861 Invalid, 154 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-10 22:08:30,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3097 states. [2022-02-10 22:08:30,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3097 to 2713. [2022-02-10 22:08:30,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2713 states, 2708 states have (on average 1.9183899556868538) internal successors, (5195), 2712 states have internal predecessors, (5195), 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) [2022-02-10 22:08:30,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2713 states to 2713 states and 5195 transitions. [2022-02-10 22:08:30,127 INFO L78 Accepts]: Start accepts. Automaton has 2713 states and 5195 transitions. Word has length 105 [2022-02-10 22:08:30,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 22:08:30,127 INFO L470 AbstractCegarLoop]: Abstraction has 2713 states and 5195 transitions. [2022-02-10 22:08:30,127 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.125) internal successors, (105), 8 states have internal predecessors, (105), 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) [2022-02-10 22:08:30,127 INFO L276 IsEmpty]: Start isEmpty. Operand 2713 states and 5195 transitions. [2022-02-10 22:08:30,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-02-10 22:08:30,130 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 22:08:30,130 INFO L515 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 22:08:30,130 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-02-10 22:08:30,130 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr1ASSERT_VIOLATIONERROR_FUNCTION, t_funErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2022-02-10 22:08:30,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 22:08:30,131 INFO L85 PathProgramCache]: Analyzing trace with hash -590826818, now seen corresponding path program 1 times [2022-02-10 22:08:30,131 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 22:08:30,131 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292342932] [2022-02-10 22:08:30,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 22:08:30,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 22:08:30,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 22:08:30,333 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 22:08:30,334 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 22:08:30,334 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1292342932] [2022-02-10 22:08:30,334 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1292342932] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 22:08:30,334 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 22:08:30,334 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-02-10 22:08:30,334 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [995072246] [2022-02-10 22:08:30,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 22:08:30,335 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-02-10 22:08:30,335 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 22:08:30,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-02-10 22:08:30,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2022-02-10 22:08:30,335 INFO L87 Difference]: Start difference. First operand 2713 states and 5195 transitions. Second operand has 13 states, 13 states have (on average 8.307692307692308) internal successors, (108), 13 states have internal predecessors, (108), 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) [2022-02-10 22:08:30,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 22:08:30,921 INFO L93 Difference]: Finished difference Result 3739 states and 7099 transitions. [2022-02-10 22:08:30,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-02-10 22:08:30,921 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 8.307692307692308) internal successors, (108), 13 states have internal predecessors, (108), 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 108 [2022-02-10 22:08:30,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 22:08:30,932 INFO L225 Difference]: With dead ends: 3739 [2022-02-10 22:08:30,932 INFO L226 Difference]: Without dead ends: 3014 [2022-02-10 22:08:30,933 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 400 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=531, Invalid=1361, Unknown=0, NotChecked=0, Total=1892 [2022-02-10 22:08:30,947 INFO L934 BasicCegarLoop]: 625 mSDtfsCounter, 1612 mSDsluCounter, 3660 mSDsCounter, 0 mSdLazyCounter, 179 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1612 SdHoareTripleChecker+Valid, 4285 SdHoareTripleChecker+Invalid, 183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 179 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-10 22:08:30,948 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [1612 Valid, 4285 Invalid, 183 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 179 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-10 22:08:30,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3014 states. [2022-02-10 22:08:31,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3014 to 2870. [2022-02-10 22:08:31,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2870 states, 2865 states have (on average 1.9029668411867364) internal successors, (5452), 2869 states have internal predecessors, (5452), 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) [2022-02-10 22:08:31,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2870 states to 2870 states and 5452 transitions. [2022-02-10 22:08:31,058 INFO L78 Accepts]: Start accepts. Automaton has 2870 states and 5452 transitions. Word has length 108 [2022-02-10 22:08:31,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 22:08:31,059 INFO L470 AbstractCegarLoop]: Abstraction has 2870 states and 5452 transitions. [2022-02-10 22:08:31,059 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 8.307692307692308) internal successors, (108), 13 states have internal predecessors, (108), 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) [2022-02-10 22:08:31,059 INFO L276 IsEmpty]: Start isEmpty. Operand 2870 states and 5452 transitions. [2022-02-10 22:08:31,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-02-10 22:08:31,061 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 22:08:31,062 INFO L515 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 22:08:31,062 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-02-10 22:08:31,062 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr1ASSERT_VIOLATIONERROR_FUNCTION, t_funErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2022-02-10 22:08:31,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 22:08:31,063 INFO L85 PathProgramCache]: Analyzing trace with hash -1789533736, now seen corresponding path program 1 times [2022-02-10 22:08:31,063 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 22:08:31,063 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2057964364] [2022-02-10 22:08:31,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 22:08:31,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 22:08:31,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 22:08:31,194 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 22:08:31,195 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 22:08:31,195 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2057964364] [2022-02-10 22:08:31,195 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2057964364] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 22:08:31,195 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 22:08:31,195 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-02-10 22:08:31,195 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [854001791] [2022-02-10 22:08:31,195 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 22:08:31,196 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-02-10 22:08:31,196 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 22:08:31,196 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-02-10 22:08:31,196 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-02-10 22:08:31,196 INFO L87 Difference]: Start difference. First operand 2870 states and 5452 transitions. Second operand has 8 states, 8 states have (on average 13.625) internal successors, (109), 8 states have internal predecessors, (109), 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) [2022-02-10 22:08:31,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 22:08:31,312 INFO L93 Difference]: Finished difference Result 2719 states and 5156 transitions. [2022-02-10 22:08:31,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-10 22:08:31,313 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 13.625) internal successors, (109), 8 states have internal predecessors, (109), 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 109 [2022-02-10 22:08:31,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 22:08:31,319 INFO L225 Difference]: With dead ends: 2719 [2022-02-10 22:08:31,319 INFO L226 Difference]: Without dead ends: 2689 [2022-02-10 22:08:31,320 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2022-02-10 22:08:31,320 INFO L934 BasicCegarLoop]: 187 mSDtfsCounter, 491 mSDsluCounter, 293 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 491 SdHoareTripleChecker+Valid, 477 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-10 22:08:31,321 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [491 Valid, 477 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-10 22:08:31,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2689 states. [2022-02-10 22:08:31,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2689 to 2689. [2022-02-10 22:08:31,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2689 states, 2685 states have (on average 1.9016759776536314) internal successors, (5106), 2688 states have internal predecessors, (5106), 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) [2022-02-10 22:08:31,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2689 states to 2689 states and 5106 transitions. [2022-02-10 22:08:31,366 INFO L78 Accepts]: Start accepts. Automaton has 2689 states and 5106 transitions. Word has length 109 [2022-02-10 22:08:31,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 22:08:31,367 INFO L470 AbstractCegarLoop]: Abstraction has 2689 states and 5106 transitions. [2022-02-10 22:08:31,367 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.625) internal successors, (109), 8 states have internal predecessors, (109), 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) [2022-02-10 22:08:31,367 INFO L276 IsEmpty]: Start isEmpty. Operand 2689 states and 5106 transitions. [2022-02-10 22:08:31,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-02-10 22:08:31,370 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 22:08:31,370 INFO L515 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 22:08:31,370 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-02-10 22:08:31,370 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting t_funErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr1ASSERT_VIOLATIONERROR_FUNCTION, t_funErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2022-02-10 22:08:31,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 22:08:31,371 INFO L85 PathProgramCache]: Analyzing trace with hash 1215868868, now seen corresponding path program 1 times [2022-02-10 22:08:31,371 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 22:08:31,371 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [576816177] [2022-02-10 22:08:31,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 22:08:31,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 22:08:31,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 22:08:31,445 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 22:08:31,445 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 22:08:31,445 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [576816177] [2022-02-10 22:08:31,446 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [576816177] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 22:08:31,446 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 22:08:31,446 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-02-10 22:08:31,446 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [366416583] [2022-02-10 22:08:31,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 22:08:31,446 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-02-10 22:08:31,446 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 22:08:31,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-02-10 22:08:31,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-02-10 22:08:31,447 INFO L87 Difference]: Start difference. First operand 2689 states and 5106 transitions. Second operand has 8 states, 8 states have (on average 14.25) internal successors, (114), 8 states have internal predecessors, (114), 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) [2022-02-10 22:08:31,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 22:08:31,622 INFO L93 Difference]: Finished difference Result 2766 states and 5242 transitions. [2022-02-10 22:08:31,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-10 22:08:31,622 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 8 states have internal predecessors, (114), 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 114 [2022-02-10 22:08:31,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 22:08:31,629 INFO L225 Difference]: With dead ends: 2766 [2022-02-10 22:08:31,629 INFO L226 Difference]: Without dead ends: 2766 [2022-02-10 22:08:31,630 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=79, Invalid=161, Unknown=0, NotChecked=0, Total=240 [2022-02-10 22:08:31,630 INFO L934 BasicCegarLoop]: 362 mSDtfsCounter, 386 mSDsluCounter, 1380 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 386 SdHoareTripleChecker+Valid, 1740 SdHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-10 22:08:31,631 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [386 Valid, 1740 Invalid, 134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-10 22:08:31,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2766 states. [2022-02-10 22:08:31,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2766 to 2667. [2022-02-10 22:08:31,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2667 states, 2664 states have (on average 1.9009009009009008) internal successors, (5064), 2666 states have internal predecessors, (5064), 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) [2022-02-10 22:08:31,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2667 states to 2667 states and 5064 transitions. [2022-02-10 22:08:31,706 INFO L78 Accepts]: Start accepts. Automaton has 2667 states and 5064 transitions. Word has length 114 [2022-02-10 22:08:31,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 22:08:31,706 INFO L470 AbstractCegarLoop]: Abstraction has 2667 states and 5064 transitions. [2022-02-10 22:08:31,706 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 8 states have internal predecessors, (114), 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) [2022-02-10 22:08:31,706 INFO L276 IsEmpty]: Start isEmpty. Operand 2667 states and 5064 transitions. [2022-02-10 22:08:31,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-02-10 22:08:31,711 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 22:08:31,711 INFO L515 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 22:08:31,711 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-02-10 22:08:31,711 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting t_funErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr1ASSERT_VIOLATIONERROR_FUNCTION, t_funErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2022-02-10 22:08:31,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 22:08:31,712 INFO L85 PathProgramCache]: Analyzing trace with hash -848000282, now seen corresponding path program 1 times [2022-02-10 22:08:31,712 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 22:08:31,712 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1838834285] [2022-02-10 22:08:31,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 22:08:31,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 22:08:31,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 22:08:31,803 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 22:08:31,803 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 22:08:31,803 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1838834285] [2022-02-10 22:08:31,803 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1838834285] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 22:08:31,803 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 22:08:31,804 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-02-10 22:08:31,804 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1205033249] [2022-02-10 22:08:31,804 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 22:08:31,804 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-02-10 22:08:31,804 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 22:08:31,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-02-10 22:08:31,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-02-10 22:08:31,805 INFO L87 Difference]: Start difference. First operand 2667 states and 5064 transitions. Second operand has 8 states, 8 states have (on average 14.375) internal successors, (115), 8 states have internal predecessors, (115), 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) [2022-02-10 22:08:31,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 22:08:31,987 INFO L93 Difference]: Finished difference Result 2734 states and 5165 transitions. [2022-02-10 22:08:31,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-10 22:08:31,988 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.375) internal successors, (115), 8 states have internal predecessors, (115), 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 115 [2022-02-10 22:08:31,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 22:08:31,992 INFO L225 Difference]: With dead ends: 2734 [2022-02-10 22:08:31,992 INFO L226 Difference]: Without dead ends: 2510 [2022-02-10 22:08:31,993 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=141, Invalid=321, Unknown=0, NotChecked=0, Total=462 [2022-02-10 22:08:31,993 INFO L934 BasicCegarLoop]: 323 mSDtfsCounter, 633 mSDsluCounter, 1191 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 633 SdHoareTripleChecker+Valid, 1514 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-10 22:08:31,993 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [633 Valid, 1514 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-10 22:08:31,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2510 states. [2022-02-10 22:08:32,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2510 to 2370. [2022-02-10 22:08:32,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2370 states, 2369 states have (on average 1.9008020261713803) internal successors, (4503), 2369 states have internal predecessors, (4503), 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) [2022-02-10 22:08:32,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2370 states to 2370 states and 4503 transitions. [2022-02-10 22:08:32,040 INFO L78 Accepts]: Start accepts. Automaton has 2370 states and 4503 transitions. Word has length 115 [2022-02-10 22:08:32,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 22:08:32,040 INFO L470 AbstractCegarLoop]: Abstraction has 2370 states and 4503 transitions. [2022-02-10 22:08:32,041 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.375) internal successors, (115), 8 states have internal predecessors, (115), 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) [2022-02-10 22:08:32,041 INFO L276 IsEmpty]: Start isEmpty. Operand 2370 states and 4503 transitions. [2022-02-10 22:08:32,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2022-02-10 22:08:32,045 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 22:08:32,046 INFO L515 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 22:08:32,046 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-02-10 22:08:32,046 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting t_funErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr1ASSERT_VIOLATIONERROR_FUNCTION, t_funErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2022-02-10 22:08:32,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 22:08:32,046 INFO L85 PathProgramCache]: Analyzing trace with hash -1284259336, now seen corresponding path program 1 times [2022-02-10 22:08:32,046 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 22:08:32,046 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1981131001] [2022-02-10 22:08:32,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 22:08:32,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 22:08:32,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 22:08:32,154 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 22:08:32,154 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 22:08:32,154 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1981131001] [2022-02-10 22:08:32,155 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1981131001] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 22:08:32,155 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 22:08:32,155 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-02-10 22:08:32,155 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1792071237] [2022-02-10 22:08:32,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 22:08:32,155 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-10 22:08:32,156 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 22:08:32,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-10 22:08:32,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2022-02-10 22:08:32,156 INFO L87 Difference]: Start difference. First operand 2370 states and 4503 transitions. Second operand has 11 states, 11 states have (on average 13.272727272727273) internal successors, (146), 11 states have internal predecessors, (146), 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) [2022-02-10 22:08:32,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 22:08:32,482 INFO L93 Difference]: Finished difference Result 2528 states and 4757 transitions. [2022-02-10 22:08:32,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-10 22:08:32,483 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 13.272727272727273) internal successors, (146), 11 states have internal predecessors, (146), 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 146 [2022-02-10 22:08:32,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 22:08:32,489 INFO L225 Difference]: With dead ends: 2528 [2022-02-10 22:08:32,490 INFO L226 Difference]: Without dead ends: 1977 [2022-02-10 22:08:32,490 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=182, Invalid=418, Unknown=0, NotChecked=0, Total=600 [2022-02-10 22:08:32,491 INFO L934 BasicCegarLoop]: 500 mSDtfsCounter, 679 mSDsluCounter, 2927 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 679 SdHoareTripleChecker+Valid, 3427 SdHoareTripleChecker+Invalid, 144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-10 22:08:32,491 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [679 Valid, 3427 Invalid, 144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-10 22:08:32,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1977 states. [2022-02-10 22:08:32,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1977 to 1834. [2022-02-10 22:08:32,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1834 states, 1833 states have (on average 1.8859792689579924) internal successors, (3457), 1833 states have internal predecessors, (3457), 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) [2022-02-10 22:08:32,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1834 states to 1834 states and 3457 transitions. [2022-02-10 22:08:32,537 INFO L78 Accepts]: Start accepts. Automaton has 1834 states and 3457 transitions. Word has length 146 [2022-02-10 22:08:32,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 22:08:32,537 INFO L470 AbstractCegarLoop]: Abstraction has 1834 states and 3457 transitions. [2022-02-10 22:08:32,538 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 13.272727272727273) internal successors, (146), 11 states have internal predecessors, (146), 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) [2022-02-10 22:08:32,538 INFO L276 IsEmpty]: Start isEmpty. Operand 1834 states and 3457 transitions. [2022-02-10 22:08:32,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2022-02-10 22:08:32,542 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 22:08:32,543 INFO L515 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 22:08:32,543 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-02-10 22:08:32,543 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting t_funErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr1ASSERT_VIOLATIONERROR_FUNCTION, t_funErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2022-02-10 22:08:32,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 22:08:32,544 INFO L85 PathProgramCache]: Analyzing trace with hash -1212375260, now seen corresponding path program 1 times [2022-02-10 22:08:32,544 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 22:08:32,544 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [595986728] [2022-02-10 22:08:32,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 22:08:32,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 22:08:32,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 22:08:32,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 22:08:32,703 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 22:08:32,703 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [595986728] [2022-02-10 22:08:32,704 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [595986728] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 22:08:32,704 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 22:08:32,704 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-02-10 22:08:32,704 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [683689513] [2022-02-10 22:08:32,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 22:08:32,704 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-02-10 22:08:32,704 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 22:08:32,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-02-10 22:08:32,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-02-10 22:08:32,705 INFO L87 Difference]: Start difference. First operand 1834 states and 3457 transitions. Second operand has 8 states, 8 states have (on average 18.625) internal successors, (149), 8 states have internal predecessors, (149), 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) [2022-02-10 22:08:32,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 22:08:32,795 INFO L93 Difference]: Finished difference Result 1672 states and 3148 transitions. [2022-02-10 22:08:32,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-10 22:08:32,795 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 18.625) internal successors, (149), 8 states have internal predecessors, (149), 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 149 [2022-02-10 22:08:32,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 22:08:32,796 INFO L225 Difference]: With dead ends: 1672 [2022-02-10 22:08:32,796 INFO L226 Difference]: Without dead ends: 0 [2022-02-10 22:08:32,796 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2022-02-10 22:08:32,797 INFO L934 BasicCegarLoop]: 157 mSDtfsCounter, 328 mSDsluCounter, 179 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 328 SdHoareTripleChecker+Valid, 334 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-10 22:08:32,797 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [328 Valid, 334 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-10 22:08:32,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-02-10 22:08:32,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-02-10 22:08:32,798 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) [2022-02-10 22:08:32,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-02-10 22:08:32,798 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 149 [2022-02-10 22:08:32,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 22:08:32,798 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-02-10 22:08:32,798 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 18.625) internal successors, (149), 8 states have internal predecessors, (149), 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) [2022-02-10 22:08:32,798 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-02-10 22:08:32,798 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-10 22:08:32,800 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (6 of 7 remaining) [2022-02-10 22:08:32,801 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 7 remaining) [2022-02-10 22:08:32,801 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONERROR_FUNCTION (4 of 7 remaining) [2022-02-10 22:08:32,801 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONERROR_FUNCTION (3 of 7 remaining) [2022-02-10 22:08:32,801 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 7 remaining) [2022-02-10 22:08:32,801 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONERROR_FUNCTION (1 of 7 remaining) [2022-02-10 22:08:32,801 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONERROR_FUNCTION (0 of 7 remaining) [2022-02-10 22:08:32,802 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-02-10 22:08:32,804 INFO L733 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 22:08:32,807 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-10 22:08:32,808 INFO L184 ceAbstractionStarter]: Computing trace abstraction results [2022-02-10 22:08:32,810 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.02 10:08:32 BasicIcfg [2022-02-10 22:08:32,810 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-10 22:08:32,810 INFO L158 Benchmark]: Toolchain (without parser) took 6996.11ms. Allocated memory was 223.3MB in the beginning and 453.0MB in the end (delta: 229.6MB). Free memory was 167.8MB in the beginning and 210.5MB in the end (delta: -42.7MB). Peak memory consumption was 187.8MB. Max. memory is 8.0GB. [2022-02-10 22:08:32,811 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 223.3MB. Free memory was 185.6MB in the beginning and 185.6MB in the end (delta: 72.5kB). There was no memory consumed. Max. memory is 8.0GB. [2022-02-10 22:08:32,811 INFO L158 Benchmark]: CACSL2BoogieTranslator took 359.26ms. Allocated memory is still 223.3MB. Free memory was 167.6MB in the beginning and 185.0MB in the end (delta: -17.4MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-02-10 22:08:32,811 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.63ms. Allocated memory is still 223.3MB. Free memory was 185.0MB in the beginning and 182.5MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-10 22:08:32,811 INFO L158 Benchmark]: Boogie Preprocessor took 25.74ms. Allocated memory is still 223.3MB. Free memory was 182.5MB in the beginning and 180.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-10 22:08:32,812 INFO L158 Benchmark]: RCFGBuilder took 506.82ms. Allocated memory is still 223.3MB. Free memory was 180.9MB in the beginning and 164.1MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2022-02-10 22:08:32,812 INFO L158 Benchmark]: TraceAbstraction took 6053.49ms. Allocated memory was 223.3MB in the beginning and 453.0MB in the end (delta: 229.6MB). Free memory was 163.6MB in the beginning and 210.5MB in the end (delta: -46.9MB). Peak memory consumption was 183.7MB. Max. memory is 8.0GB. [2022-02-10 22:08:32,813 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 223.3MB. Free memory was 185.6MB in the beginning and 185.6MB in the end (delta: 72.5kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 359.26ms. Allocated memory is still 223.3MB. Free memory was 167.6MB in the beginning and 185.0MB in the end (delta: -17.4MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 46.63ms. Allocated memory is still 223.3MB. Free memory was 185.0MB in the beginning and 182.5MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 25.74ms. Allocated memory is still 223.3MB. Free memory was 182.5MB in the beginning and 180.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 506.82ms. Allocated memory is still 223.3MB. Free memory was 180.9MB in the beginning and 164.1MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * TraceAbstraction took 6053.49ms. Allocated memory was 223.3MB in the beginning and 453.0MB in the end (delta: 229.6MB). Free memory was 163.6MB in the beginning and 210.5MB in the end (delta: -46.9MB). Peak memory consumption was 183.7MB. Max. memory is 8.0GB. * 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]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 19]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 19]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 255 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 5.9s, OverallIterations: 11, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 3.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 7623 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7623 mSDsluCounter, 21173 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 17341 mSDsCounter, 150 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1450 IncrementalHoareTripleChecker+Invalid, 1600 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 150 mSolverCounterUnsat, 3849 mSDtfsCounter, 1450 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 247 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 203 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 797 ImplicationChecksByTransitivity, 1.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3737occurred in iteration=1, InterpolantAutomatonStates: 173, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 11 MinimizatonAttempts, 4068 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 1167 NumberOfCodeBlocks, 1167 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1156 ConstructedInterpolants, 0 QuantifiedInterpolants, 5236 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 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 3 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-02-10 22:08:32,862 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...