/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-atomic/read_write_lock-1.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-bc79526 [2022-01-17 22:37:40,242 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-17 22:37:40,268 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-17 22:37:40,299 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-17 22:37:40,300 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-17 22:37:40,301 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-17 22:37:40,302 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-17 22:37:40,304 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-17 22:37:40,305 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-17 22:37:40,306 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-17 22:37:40,306 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-17 22:37:40,307 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-17 22:37:40,308 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-17 22:37:40,309 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-17 22:37:40,309 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-17 22:37:40,310 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-17 22:37:40,311 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-17 22:37:40,312 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-17 22:37:40,313 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-17 22:37:40,315 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-17 22:37:40,316 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-17 22:37:40,317 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-17 22:37:40,317 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-17 22:37:40,318 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-17 22:37:40,320 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-01-17 22:37:40,326 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-17 22:37:40,327 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-17 22:37:40,328 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-17 22:37:40,335 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 [2022-01-17 22:37:40,350 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-17 22:37:40,351 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-17 22:37:40,355 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-17 22:37:40,356 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-17 22:37:40,357 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-17 22:37:40,357 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-17 22:37:40,357 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-17 22:37:40,357 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-17 22:37:40,358 INFO L138 SettingsManager]: * Use SBE=true [2022-01-17 22:37:40,358 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-17 22:37:40,359 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-17 22:37:40,359 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-17 22:37:40,359 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-17 22:37:40,359 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-17 22:37:40,359 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-17 22:37:40,359 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-17 22:37:40,359 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-17 22:37:40,360 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-17 22:37:40,360 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-17 22:37:40,360 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-17 22:37:40,360 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-17 22:37:40,360 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-17 22:37:40,360 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-17 22:37:40,361 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-17 22:37:40,362 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-17 22:37:40,362 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-17 22:37:40,362 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-17 22:37:40,362 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-17 22:37:40,362 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-17 22:37:40,363 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-17 22:37:40,363 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-17 22:37:40,363 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-17 22:37:40,363 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-17 22:37:40,363 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-01-17 22:37:40,573 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-17 22:37:40,594 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-17 22:37:40,597 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-17 22:37:40,598 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-17 22:37:40,598 INFO L275 PluginConnector]: CDTParser initialized [2022-01-17 22:37:40,599 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-atomic/read_write_lock-1.i [2022-01-17 22:37:40,668 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dbb3cb08c/04bd9b3a8b214ef981f8e59c01a8319a/FLAG9b9f3b716 [2022-01-17 22:37:41,033 INFO L306 CDTParser]: Found 1 translation units. [2022-01-17 22:37:41,033 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/read_write_lock-1.i [2022-01-17 22:37:41,052 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dbb3cb08c/04bd9b3a8b214ef981f8e59c01a8319a/FLAG9b9f3b716 [2022-01-17 22:37:41,406 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dbb3cb08c/04bd9b3a8b214ef981f8e59c01a8319a [2022-01-17 22:37:41,408 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-17 22:37:41,424 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-17 22:37:41,425 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-17 22:37:41,425 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-17 22:37:41,428 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-17 22:37:41,429 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.01 10:37:41" (1/1) ... [2022-01-17 22:37:41,430 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7693db32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.01 10:37:41, skipping insertion in model container [2022-01-17 22:37:41,430 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.01 10:37:41" (1/1) ... [2022-01-17 22:37:41,435 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-17 22:37:41,468 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-17 22:37:41,614 WARN L610 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-01-17 22:37:41,730 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/read_write_lock-1.i[31246,31259] [2022-01-17 22:37:41,745 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-17 22:37:41,756 INFO L203 MainTranslator]: Completed pre-run [2022-01-17 22:37:41,770 WARN L610 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-01-17 22:37:41,787 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/read_write_lock-1.i[31246,31259] [2022-01-17 22:37:41,791 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-17 22:37:41,827 INFO L208 MainTranslator]: Completed translation [2022-01-17 22:37:41,828 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.01 10:37:41 WrapperNode [2022-01-17 22:37:41,828 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-17 22:37:41,829 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-17 22:37:41,829 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-17 22:37:41,829 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-17 22:37:41,835 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.01 10:37:41" (1/1) ... [2022-01-17 22:37:41,865 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.01 10:37:41" (1/1) ... [2022-01-17 22:37:41,893 INFO L137 Inliner]: procedures = 175, calls = 46, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 114 [2022-01-17 22:37:41,894 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-17 22:37:41,895 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-17 22:37:41,895 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-17 22:37:41,895 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-17 22:37:41,902 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.01 10:37:41" (1/1) ... [2022-01-17 22:37:41,902 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.01 10:37:41" (1/1) ... [2022-01-17 22:37:41,919 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.01 10:37:41" (1/1) ... [2022-01-17 22:37:41,919 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.01 10:37:41" (1/1) ... [2022-01-17 22:37:41,923 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.01 10:37:41" (1/1) ... [2022-01-17 22:37:41,925 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.01 10:37:41" (1/1) ... [2022-01-17 22:37:41,926 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.01 10:37:41" (1/1) ... [2022-01-17 22:37:41,928 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-17 22:37:41,929 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-17 22:37:41,929 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-17 22:37:41,929 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-17 22:37:41,939 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.01 10:37:41" (1/1) ... [2022-01-17 22:37:41,947 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-17 22:37:41,957 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-17 22:37:41,977 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-01-17 22:37:41,995 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-01-17 22:37:42,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-01-17 22:37:42,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-17 22:37:42,012 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-01-17 22:37:42,013 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-17 22:37:42,013 INFO L130 BoogieDeclarations]: Found specification of procedure reader [2022-01-17 22:37:42,014 INFO L138 BoogieDeclarations]: Found implementation of procedure reader [2022-01-17 22:37:42,014 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-17 22:37:42,015 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-17 22:37:42,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-17 22:37:42,015 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-01-17 22:37:42,015 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-17 22:37:42,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-17 22:37:42,015 INFO L130 BoogieDeclarations]: Found specification of procedure writer [2022-01-17 22:37:42,015 INFO L138 BoogieDeclarations]: Found implementation of procedure writer [2022-01-17 22:37:42,017 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-01-17 22:37:42,180 INFO L234 CfgBuilder]: Building ICFG [2022-01-17 22:37:42,181 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-17 22:37:42,345 INFO L275 CfgBuilder]: Performing block encoding [2022-01-17 22:37:42,369 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-17 22:37:42,369 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-01-17 22:37:42,371 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.01 10:37:42 BoogieIcfgContainer [2022-01-17 22:37:42,372 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-17 22:37:42,373 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-17 22:37:42,373 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-17 22:37:42,376 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-17 22:37:42,376 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.01 10:37:41" (1/3) ... [2022-01-17 22:37:42,377 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73207543 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.01 10:37:42, skipping insertion in model container [2022-01-17 22:37:42,377 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.01 10:37:41" (2/3) ... [2022-01-17 22:37:42,379 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73207543 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.01 10:37:42, skipping insertion in model container [2022-01-17 22:37:42,379 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.01 10:37:42" (3/3) ... [2022-01-17 22:37:42,380 INFO L111 eAbstractionObserver]: Analyzing ICFG read_write_lock-1.i [2022-01-17 22:37:42,384 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-01-17 22:37:42,384 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-17 22:37:42,385 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-17 22:37:42,385 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-01-17 22:37:42,425 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:42,426 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:42,426 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:42,426 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:42,426 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:42,426 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:42,426 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:42,427 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:42,427 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:42,427 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:42,427 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:42,427 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:42,428 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:42,428 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:42,428 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:42,428 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:42,429 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:42,429 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:42,429 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_~ly~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:42,429 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_~ly~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:42,429 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_~lx~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:42,429 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_~lx~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:42,430 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_~lx~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:42,430 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_~ly~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:42,430 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_~lx~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:42,430 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_~ly~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:42,430 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_~lx~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:42,430 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_~ly~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:42,431 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_~lx~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:42,431 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_~ly~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:42,431 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:42,431 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:42,431 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:42,432 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:42,432 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:42,432 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:42,432 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:42,435 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:42,435 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:42,436 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:42,436 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:42,436 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:42,436 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:42,436 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:42,436 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:42,437 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:42,437 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:42,437 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:42,437 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:42,438 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:42,438 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:42,438 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:42,439 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_~ly~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:42,439 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_~ly~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:42,439 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_~lx~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:42,439 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_~lx~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:42,440 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_~lx~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:42,440 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_~ly~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:42,440 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_~lx~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:42,440 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_~ly~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:42,440 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_~lx~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:42,440 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_~ly~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:42,441 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_~lx~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:42,441 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_~ly~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:42,441 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:42,441 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:42,441 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:42,442 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:42,442 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:42,442 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:42,442 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:42,442 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:42,443 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:42,443 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:42,443 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:42,443 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:42,443 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:42,443 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:42,444 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:42,444 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:42,444 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:42,445 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:42,445 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:42,445 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:42,445 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:42,446 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:42,446 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:42,446 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:42,446 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:42,446 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:42,446 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:42,446 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:42,447 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:42,447 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:42,447 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:42,447 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:42,448 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:42,448 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:42,448 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:42,448 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:42,452 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_~ly~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:42,452 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:42,453 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_~lx~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:42,453 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:42,453 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:42,453 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:42,453 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:42,453 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:42,454 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:42,455 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:42,455 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:42,455 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:42,455 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:42,455 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:42,455 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:42,456 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:42,456 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:42,457 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:42,457 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:42,457 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:42,457 WARN L322 ript$VariableManager]: TermVariabe |writerThread1of1ForFork2_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:42,458 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:42,458 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:42,458 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:42,458 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_~ly~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:42,458 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:42,458 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:42,459 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_~lx~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:42,459 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:42,459 WARN L322 ript$VariableManager]: TermVariabe |readerThread1of1ForFork3_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-17 22:37:42,469 INFO L148 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2022-01-17 22:37:42,506 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-17 22:37:42,512 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-01-17 22:37:42,512 INFO L340 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2022-01-17 22:37:42,525 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 123 places, 112 transitions, 256 flow [2022-01-17 22:37:44,450 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 44070 states, 44067 states have (on average 4.267365602378197) internal successors, (188050), 44069 states have internal predecessors, (188050), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-17 22:37:44,528 INFO L276 IsEmpty]: Start isEmpty. Operand has 44070 states, 44067 states have (on average 4.267365602378197) internal successors, (188050), 44069 states have internal predecessors, (188050), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-17 22:37:44,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-01-17 22:37:44,541 INFO L506 BasicCegarLoop]: Found error trace [2022-01-17 22:37:44,541 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-17 22:37:44,542 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting readerErr0ASSERT_VIOLATIONERROR_FUNCTION === [readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2022-01-17 22:37:44,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-17 22:37:44,547 INFO L85 PathProgramCache]: Analyzing trace with hash 764683200, now seen corresponding path program 1 times [2022-01-17 22:37:44,554 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-17 22:37:44,555 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [762933816] [2022-01-17 22:37:44,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-17 22:37:44,556 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-17 22:37:44,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-17 22:37:44,818 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-17 22:37:44,819 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-17 22:37:44,819 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [762933816] [2022-01-17 22:37:44,820 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [762933816] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-17 22:37:44,820 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-17 22:37:44,820 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-01-17 22:37:44,821 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [776212918] [2022-01-17 22:37:44,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-17 22:37:44,826 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-17 22:37:44,826 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-17 22:37:44,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-17 22:37:44,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-01-17 22:37:44,978 INFO L87 Difference]: Start difference. First operand has 44070 states, 44067 states have (on average 4.267365602378197) internal successors, (188050), 44069 states have internal predecessors, (188050), 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 6 states, 6 states have (on average 6.5) internal successors, (39), 6 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-17 22:37:46,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-17 22:37:46,618 INFO L93 Difference]: Finished difference Result 88035 states and 360350 transitions. [2022-01-17 22:37:46,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-17 22:37:46,623 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 6 states have internal predecessors, (39), 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 39 [2022-01-17 22:37:46,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-17 22:37:47,611 INFO L225 Difference]: With dead ends: 88035 [2022-01-17 22:37:47,612 INFO L226 Difference]: Without dead ends: 83143 [2022-01-17 22:37:47,613 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-01-17 22:37:47,618 INFO L933 BasicCegarLoop]: 222 mSDtfsCounter, 320 mSDsluCounter, 750 mSDsCounter, 0 mSdLazyCounter, 289 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 320 SdHoareTripleChecker+Valid, 846 SdHoareTripleChecker+Invalid, 290 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 289 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-17 22:37:47,620 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [320 Valid, 846 Invalid, 290 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 289 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-17 22:37:47,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83143 states. [2022-01-17 22:37:50,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83143 to 52734. [2022-01-17 22:37:50,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52734 states, 52731 states have (on average 4.149608389751759) internal successors, (218813), 52733 states have internal predecessors, (218813), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-17 22:37:50,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52734 states to 52734 states and 218813 transitions. [2022-01-17 22:37:50,784 INFO L78 Accepts]: Start accepts. Automaton has 52734 states and 218813 transitions. Word has length 39 [2022-01-17 22:37:50,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-17 22:37:50,785 INFO L470 AbstractCegarLoop]: Abstraction has 52734 states and 218813 transitions. [2022-01-17 22:37:50,785 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 6 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-17 22:37:50,786 INFO L276 IsEmpty]: Start isEmpty. Operand 52734 states and 218813 transitions. [2022-01-17 22:37:50,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-01-17 22:37:50,791 INFO L506 BasicCegarLoop]: Found error trace [2022-01-17 22:37:50,791 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-17 22:37:50,792 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-17 22:37:50,792 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting readerErr0ASSERT_VIOLATIONERROR_FUNCTION === [readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2022-01-17 22:37:50,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-17 22:37:50,796 INFO L85 PathProgramCache]: Analyzing trace with hash 56021409, now seen corresponding path program 1 times [2022-01-17 22:37:50,796 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-17 22:37:50,796 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [712252260] [2022-01-17 22:37:50,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-17 22:37:50,796 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-17 22:37:50,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-17 22:37:50,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-17 22:37:50,869 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-17 22:37:50,869 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [712252260] [2022-01-17 22:37:50,869 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [712252260] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-17 22:37:50,869 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-17 22:37:50,869 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-17 22:37:50,870 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1280050264] [2022-01-17 22:37:50,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-17 22:37:50,871 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-17 22:37:50,871 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-17 22:37:50,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-17 22:37:50,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-17 22:37:50,872 INFO L87 Difference]: Start difference. First operand 52734 states and 218813 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-17 22:37:51,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-17 22:37:51,791 INFO L93 Difference]: Finished difference Result 48894 states and 195132 transitions. [2022-01-17 22:37:51,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-17 22:37:51,792 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 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 42 [2022-01-17 22:37:51,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-17 22:37:52,036 INFO L225 Difference]: With dead ends: 48894 [2022-01-17 22:37:52,036 INFO L226 Difference]: Without dead ends: 48570 [2022-01-17 22:37:52,037 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-17 22:37:52,038 INFO L933 BasicCegarLoop]: 127 mSDtfsCounter, 51 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 201 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-17 22:37:52,039 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [51 Valid, 201 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-17 22:37:52,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48570 states. [2022-01-17 22:37:53,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48570 to 48570. [2022-01-17 22:37:53,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48570 states, 48567 states have (on average 3.9908579899932053) internal successors, (193824), 48569 states have internal predecessors, (193824), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-17 22:37:53,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48570 states to 48570 states and 193824 transitions. [2022-01-17 22:37:53,873 INFO L78 Accepts]: Start accepts. Automaton has 48570 states and 193824 transitions. Word has length 42 [2022-01-17 22:37:53,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-17 22:37:53,874 INFO L470 AbstractCegarLoop]: Abstraction has 48570 states and 193824 transitions. [2022-01-17 22:37:53,874 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-17 22:37:53,874 INFO L276 IsEmpty]: Start isEmpty. Operand 48570 states and 193824 transitions. [2022-01-17 22:37:53,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-01-17 22:37:53,876 INFO L506 BasicCegarLoop]: Found error trace [2022-01-17 22:37:53,876 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-17 22:37:53,876 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-17 22:37:53,877 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting readerErr0ASSERT_VIOLATIONERROR_FUNCTION === [readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2022-01-17 22:37:53,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-17 22:37:53,877 INFO L85 PathProgramCache]: Analyzing trace with hash 917308403, now seen corresponding path program 2 times [2022-01-17 22:37:53,877 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-17 22:37:53,878 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [359889808] [2022-01-17 22:37:53,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-17 22:37:53,878 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-17 22:37:53,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-17 22:37:53,969 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-17 22:37:53,969 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-17 22:37:53,969 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [359889808] [2022-01-17 22:37:53,969 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [359889808] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-17 22:37:53,969 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-17 22:37:53,970 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-17 22:37:53,970 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1304895776] [2022-01-17 22:37:53,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-17 22:37:53,971 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-17 22:37:53,972 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-17 22:37:53,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-17 22:37:53,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-17 22:37:53,972 INFO L87 Difference]: Start difference. First operand 48570 states and 193824 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-17 22:37:54,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-17 22:37:54,753 INFO L93 Difference]: Finished difference Result 62343 states and 242802 transitions. [2022-01-17 22:37:54,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-17 22:37:54,754 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 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 42 [2022-01-17 22:37:54,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-17 22:37:55,119 INFO L225 Difference]: With dead ends: 62343 [2022-01-17 22:37:55,120 INFO L226 Difference]: Without dead ends: 60921 [2022-01-17 22:37:55,120 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-01-17 22:37:55,121 INFO L933 BasicCegarLoop]: 138 mSDtfsCounter, 166 mSDsluCounter, 181 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 303 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-17 22:37:55,122 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [166 Valid, 303 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-17 22:37:55,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60921 states. [2022-01-17 22:37:56,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60921 to 46332. [2022-01-17 22:37:56,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46332 states, 46325 states have (on average 3.9565893146249325) internal successors, (183289), 46331 states have internal predecessors, (183289), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-17 22:37:57,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46332 states to 46332 states and 183289 transitions. [2022-01-17 22:37:57,142 INFO L78 Accepts]: Start accepts. Automaton has 46332 states and 183289 transitions. Word has length 42 [2022-01-17 22:37:57,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-17 22:37:57,142 INFO L470 AbstractCegarLoop]: Abstraction has 46332 states and 183289 transitions. [2022-01-17 22:37:57,142 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-17 22:37:57,143 INFO L276 IsEmpty]: Start isEmpty. Operand 46332 states and 183289 transitions. [2022-01-17 22:37:57,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-01-17 22:37:57,154 INFO L506 BasicCegarLoop]: Found error trace [2022-01-17 22:37:57,154 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-17 22:37:57,155 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-01-17 22:37:57,155 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting readerErr0ASSERT_VIOLATIONERROR_FUNCTION === [readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2022-01-17 22:37:57,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-17 22:37:57,155 INFO L85 PathProgramCache]: Analyzing trace with hash 1149119989, now seen corresponding path program 1 times [2022-01-17 22:37:57,156 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-17 22:37:57,156 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [974232576] [2022-01-17 22:37:57,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-17 22:37:57,156 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-17 22:37:57,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-17 22:37:57,216 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-17 22:37:57,217 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-17 22:37:57,217 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [974232576] [2022-01-17 22:37:57,217 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [974232576] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-17 22:37:57,217 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-17 22:37:57,217 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-01-17 22:37:57,217 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777440572] [2022-01-17 22:37:57,218 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-17 22:37:57,218 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-17 22:37:57,218 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-17 22:37:57,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-17 22:37:57,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-01-17 22:37:57,219 INFO L87 Difference]: Start difference. First operand 46332 states and 183289 transitions. Second operand has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-17 22:37:57,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-17 22:37:57,917 INFO L93 Difference]: Finished difference Result 91934 states and 358620 transitions. [2022-01-17 22:37:57,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-17 22:37:57,918 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 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 51 [2022-01-17 22:37:57,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-17 22:37:58,918 INFO L225 Difference]: With dead ends: 91934 [2022-01-17 22:37:58,918 INFO L226 Difference]: Without dead ends: 80946 [2022-01-17 22:37:58,919 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-01-17 22:37:58,920 INFO L933 BasicCegarLoop]: 180 mSDtfsCounter, 284 mSDsluCounter, 657 mSDsCounter, 0 mSdLazyCounter, 267 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 284 SdHoareTripleChecker+Valid, 721 SdHoareTripleChecker+Invalid, 269 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 267 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-01-17 22:37:58,920 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [284 Valid, 721 Invalid, 269 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 267 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-01-17 22:37:59,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80946 states. [2022-01-17 22:38:00,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80946 to 48956. [2022-01-17 22:38:00,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48956 states, 48949 states have (on average 3.96014218880876) internal successors, (193845), 48955 states have internal predecessors, (193845), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-17 22:38:00,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48956 states to 48956 states and 193845 transitions. [2022-01-17 22:38:00,836 INFO L78 Accepts]: Start accepts. Automaton has 48956 states and 193845 transitions. Word has length 51 [2022-01-17 22:38:00,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-17 22:38:00,837 INFO L470 AbstractCegarLoop]: Abstraction has 48956 states and 193845 transitions. [2022-01-17 22:38:00,837 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-17 22:38:00,838 INFO L276 IsEmpty]: Start isEmpty. Operand 48956 states and 193845 transitions. [2022-01-17 22:38:00,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-01-17 22:38:00,870 INFO L506 BasicCegarLoop]: Found error trace [2022-01-17 22:38:00,870 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-17 22:38:00,870 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-01-17 22:38:00,870 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting readerErr0ASSERT_VIOLATIONERROR_FUNCTION === [readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2022-01-17 22:38:00,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-17 22:38:00,871 INFO L85 PathProgramCache]: Analyzing trace with hash 1237161399, now seen corresponding path program 1 times [2022-01-17 22:38:00,871 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-17 22:38:00,871 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1743945706] [2022-01-17 22:38:00,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-17 22:38:00,872 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-17 22:38:00,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-17 22:38:00,967 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-17 22:38:00,967 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-17 22:38:00,967 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1743945706] [2022-01-17 22:38:00,967 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1743945706] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-17 22:38:00,967 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-17 22:38:00,967 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-01-17 22:38:00,968 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1792221097] [2022-01-17 22:38:00,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-17 22:38:00,969 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-17 22:38:00,970 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-17 22:38:00,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-17 22:38:00,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-01-17 22:38:00,971 INFO L87 Difference]: Start difference. First operand 48956 states and 193845 transitions. Second operand has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-17 22:38:02,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-17 22:38:02,228 INFO L93 Difference]: Finished difference Result 80436 states and 313218 transitions. [2022-01-17 22:38:02,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-17 22:38:02,229 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 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 56 [2022-01-17 22:38:02,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-17 22:38:02,608 INFO L225 Difference]: With dead ends: 80436 [2022-01-17 22:38:02,608 INFO L226 Difference]: Without dead ends: 76345 [2022-01-17 22:38:02,608 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-01-17 22:38:02,609 INFO L933 BasicCegarLoop]: 214 mSDtfsCounter, 181 mSDsluCounter, 630 mSDsCounter, 0 mSdLazyCounter, 283 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 181 SdHoareTripleChecker+Valid, 737 SdHoareTripleChecker+Invalid, 284 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 283 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-01-17 22:38:02,610 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [181 Valid, 737 Invalid, 284 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 283 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-01-17 22:38:02,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76345 states. [2022-01-17 22:38:04,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76345 to 46437. [2022-01-17 22:38:04,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46437 states, 46430 states have (on average 3.9458755115227224) internal successors, (183207), 46436 states have internal predecessors, (183207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-17 22:38:04,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46437 states to 46437 states and 183207 transitions. [2022-01-17 22:38:04,837 INFO L78 Accepts]: Start accepts. Automaton has 46437 states and 183207 transitions. Word has length 56 [2022-01-17 22:38:04,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-17 22:38:04,838 INFO L470 AbstractCegarLoop]: Abstraction has 46437 states and 183207 transitions. [2022-01-17 22:38:04,838 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-17 22:38:04,838 INFO L276 IsEmpty]: Start isEmpty. Operand 46437 states and 183207 transitions. [2022-01-17 22:38:04,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-01-17 22:38:04,880 INFO L506 BasicCegarLoop]: Found error trace [2022-01-17 22:38:04,880 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-17 22:38:04,880 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-01-17 22:38:04,881 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting readerErr0ASSERT_VIOLATIONERROR_FUNCTION === [readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2022-01-17 22:38:04,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-17 22:38:04,882 INFO L85 PathProgramCache]: Analyzing trace with hash -94061803, now seen corresponding path program 1 times [2022-01-17 22:38:04,882 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-17 22:38:04,882 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [252359116] [2022-01-17 22:38:04,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-17 22:38:04,882 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-17 22:38:04,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-17 22:38:05,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-17 22:38:05,015 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-17 22:38:05,015 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [252359116] [2022-01-17 22:38:05,016 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [252359116] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-17 22:38:05,016 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-17 22:38:05,016 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-01-17 22:38:05,016 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [579567669] [2022-01-17 22:38:05,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-17 22:38:05,017 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-17 22:38:05,017 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-17 22:38:05,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-17 22:38:05,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-01-17 22:38:05,019 INFO L87 Difference]: Start difference. First operand 46437 states and 183207 transitions. Second operand has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-17 22:38:05,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-17 22:38:05,638 INFO L93 Difference]: Finished difference Result 77964 states and 301825 transitions. [2022-01-17 22:38:05,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-17 22:38:05,638 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 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 56 [2022-01-17 22:38:05,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-17 22:38:05,936 INFO L225 Difference]: With dead ends: 77964 [2022-01-17 22:38:05,936 INFO L226 Difference]: Without dead ends: 71620 [2022-01-17 22:38:05,937 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-01-17 22:38:05,938 INFO L933 BasicCegarLoop]: 230 mSDtfsCounter, 205 mSDsluCounter, 689 mSDsCounter, 0 mSdLazyCounter, 301 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 205 SdHoareTripleChecker+Valid, 802 SdHoareTripleChecker+Invalid, 302 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 301 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-01-17 22:38:05,939 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [205 Valid, 802 Invalid, 302 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 301 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-01-17 22:38:06,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71620 states. [2022-01-17 22:38:07,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71620 to 41584. [2022-01-17 22:38:07,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41584 states, 41577 states have (on average 3.9394136181061645) internal successors, (163789), 41583 states have internal predecessors, (163789), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-17 22:38:07,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41584 states to 41584 states and 163789 transitions. [2022-01-17 22:38:07,788 INFO L78 Accepts]: Start accepts. Automaton has 41584 states and 163789 transitions. Word has length 56 [2022-01-17 22:38:07,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-17 22:38:07,789 INFO L470 AbstractCegarLoop]: Abstraction has 41584 states and 163789 transitions. [2022-01-17 22:38:07,789 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-17 22:38:07,789 INFO L276 IsEmpty]: Start isEmpty. Operand 41584 states and 163789 transitions. [2022-01-17 22:38:08,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-01-17 22:38:08,154 INFO L506 BasicCegarLoop]: Found error trace [2022-01-17 22:38:08,155 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-17 22:38:08,155 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-01-17 22:38:08,155 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting readerErr0ASSERT_VIOLATIONERROR_FUNCTION === [readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2022-01-17 22:38:08,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-17 22:38:08,155 INFO L85 PathProgramCache]: Analyzing trace with hash -1543879711, now seen corresponding path program 1 times [2022-01-17 22:38:08,156 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-17 22:38:08,156 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1662345054] [2022-01-17 22:38:08,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-17 22:38:08,156 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-17 22:38:08,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-17 22:38:08,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-17 22:38:08,271 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-17 22:38:08,271 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1662345054] [2022-01-17 22:38:08,271 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1662345054] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-17 22:38:08,271 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-17 22:38:08,271 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-17 22:38:08,271 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1791325515] [2022-01-17 22:38:08,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-17 22:38:08,272 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-17 22:38:08,272 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-17 22:38:08,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-17 22:38:08,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-01-17 22:38:08,272 INFO L87 Difference]: Start difference. First operand 41584 states and 163789 transitions. Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-17 22:38:08,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-17 22:38:08,506 INFO L93 Difference]: Finished difference Result 21098 states and 76696 transitions. [2022-01-17 22:38:08,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-17 22:38:08,506 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 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 57 [2022-01-17 22:38:08,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-17 22:38:08,568 INFO L225 Difference]: With dead ends: 21098 [2022-01-17 22:38:08,569 INFO L226 Difference]: Without dead ends: 17154 [2022-01-17 22:38:08,569 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-01-17 22:38:08,572 INFO L933 BasicCegarLoop]: 145 mSDtfsCounter, 103 mSDsluCounter, 314 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 433 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-17 22:38:08,572 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [103 Valid, 433 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-17 22:38:08,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17154 states. [2022-01-17 22:38:08,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17154 to 15834. [2022-01-17 22:38:08,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15834 states, 15832 states have (on average 3.6018191005558364) internal successors, (57024), 15833 states have internal predecessors, (57024), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-17 22:38:08,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15834 states to 15834 states and 57024 transitions. [2022-01-17 22:38:08,895 INFO L78 Accepts]: Start accepts. Automaton has 15834 states and 57024 transitions. Word has length 57 [2022-01-17 22:38:08,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-17 22:38:08,895 INFO L470 AbstractCegarLoop]: Abstraction has 15834 states and 57024 transitions. [2022-01-17 22:38:08,895 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-17 22:38:08,895 INFO L276 IsEmpty]: Start isEmpty. Operand 15834 states and 57024 transitions. [2022-01-17 22:38:08,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-01-17 22:38:08,913 INFO L506 BasicCegarLoop]: Found error trace [2022-01-17 22:38:08,913 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-17 22:38:08,913 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-01-17 22:38:08,913 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting readerErr0ASSERT_VIOLATIONERROR_FUNCTION === [readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2022-01-17 22:38:08,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-17 22:38:08,914 INFO L85 PathProgramCache]: Analyzing trace with hash -900060356, now seen corresponding path program 1 times [2022-01-17 22:38:08,915 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-17 22:38:08,915 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1858528132] [2022-01-17 22:38:08,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-17 22:38:08,915 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-17 22:38:08,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-17 22:38:08,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-17 22:38:08,982 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-17 22:38:08,982 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1858528132] [2022-01-17 22:38:08,982 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1858528132] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-17 22:38:08,983 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-17 22:38:08,983 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-17 22:38:08,983 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385166001] [2022-01-17 22:38:08,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-17 22:38:08,983 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-17 22:38:08,983 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-17 22:38:08,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-17 22:38:08,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-01-17 22:38:08,984 INFO L87 Difference]: Start difference. First operand 15834 states and 57024 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-17 22:38:09,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-17 22:38:09,042 INFO L93 Difference]: Finished difference Result 8178 states and 27592 transitions. [2022-01-17 22:38:09,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-17 22:38:09,043 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 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 63 [2022-01-17 22:38:09,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-17 22:38:09,044 INFO L225 Difference]: With dead ends: 8178 [2022-01-17 22:38:09,044 INFO L226 Difference]: Without dead ends: 0 [2022-01-17 22:38:09,044 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-01-17 22:38:09,044 INFO L933 BasicCegarLoop]: 104 mSDtfsCounter, 181 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 181 SdHoareTripleChecker+Valid, 213 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-17 22:38:09,045 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [181 Valid, 213 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-17 22:38:09,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-01-17 22:38:09,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-01-17 22:38:09,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-17 22:38:09,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-01-17 22:38:09,046 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 63 [2022-01-17 22:38:09,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-17 22:38:09,046 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-01-17 22:38:09,046 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-17 22:38:09,046 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-01-17 22:38:09,046 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-01-17 22:38:09,048 INFO L764 garLoopResultBuilder]: Registering result SAFE for location readerErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 7 remaining) [2022-01-17 22:38:09,049 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (5 of 7 remaining) [2022-01-17 22:38:09,049 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION (4 of 7 remaining) [2022-01-17 22:38:09,049 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATION (3 of 7 remaining) [2022-01-17 22:38:09,049 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATION (2 of 7 remaining) [2022-01-17 22:38:09,049 INFO L764 garLoopResultBuilder]: Registering result SAFE for location readerErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 7 remaining) [2022-01-17 22:38:09,049 INFO L764 garLoopResultBuilder]: Registering result SAFE for location readerErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 7 remaining) [2022-01-17 22:38:09,049 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-01-17 22:38:09,051 INFO L732 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1] [2022-01-17 22:38:09,054 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-01-17 22:38:09,054 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-17 22:38:09,056 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.01 10:38:09 BasicIcfg [2022-01-17 22:38:09,057 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-17 22:38:09,057 INFO L158 Benchmark]: Toolchain (without parser) took 27633.46ms. Allocated memory was 350.2MB in the beginning and 14.0GB in the end (delta: 13.7GB). Free memory was 321.3MB in the beginning and 11.3GB in the end (delta: -11.0GB). Peak memory consumption was 2.7GB. Max. memory is 16.0GB. [2022-01-17 22:38:09,057 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 350.2MB. Free memory is still 309.0MB. There was no memory consumed. Max. memory is 16.0GB. [2022-01-17 22:38:09,057 INFO L158 Benchmark]: CACSL2BoogieTranslator took 402.79ms. Allocated memory was 350.2MB in the beginning and 474.0MB in the end (delta: 123.7MB). Free memory was 321.3MB in the beginning and 433.8MB in the end (delta: -112.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.0GB. [2022-01-17 22:38:09,058 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.02ms. Allocated memory is still 474.0MB. Free memory was 433.8MB in the beginning and 431.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2022-01-17 22:38:09,058 INFO L158 Benchmark]: Boogie Preprocessor took 33.61ms. Allocated memory is still 474.0MB. Free memory was 431.7MB in the beginning and 430.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.0GB. [2022-01-17 22:38:09,058 INFO L158 Benchmark]: RCFGBuilder took 442.96ms. Allocated memory is still 474.0MB. Free memory was 430.4MB in the beginning and 415.7MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.0GB. [2022-01-17 22:38:09,058 INFO L158 Benchmark]: TraceAbstraction took 26683.49ms. Allocated memory was 474.0MB in the beginning and 14.0GB in the end (delta: 13.6GB). Free memory was 414.9MB in the beginning and 11.3GB in the end (delta: -10.9GB). Peak memory consumption was 2.7GB. Max. memory is 16.0GB. [2022-01-17 22:38:09,060 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 350.2MB. Free memory is still 309.0MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 402.79ms. Allocated memory was 350.2MB in the beginning and 474.0MB in the end (delta: 123.7MB). Free memory was 321.3MB in the beginning and 433.8MB in the end (delta: -112.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 65.02ms. Allocated memory is still 474.0MB. Free memory was 433.8MB in the beginning and 431.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 33.61ms. Allocated memory is still 474.0MB. Free memory was 431.7MB in the beginning and 430.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.0GB. * RCFGBuilder took 442.96ms. Allocated memory is still 474.0MB. Free memory was 430.4MB in the beginning and 415.7MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.0GB. * TraceAbstraction took 26683.49ms. Allocated memory was 474.0MB in the beginning and 14.0GB in the end (delta: 13.6GB). Free memory was 414.9MB in the beginning and 11.3GB in the end (delta: -10.9GB). Peak memory consumption was 2.7GB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 739]: 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 7 procedures, 136 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 26.5s, OverallIterations: 8, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.6s, AutomataDifference: 9.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.9s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1491 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1491 mSDsluCounter, 4256 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3424 mSDsCounter, 39 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1340 IncrementalHoareTripleChecker+Invalid, 1379 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 39 mSolverCounterUnsat, 1360 mSDtfsCounter, 1340 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 67 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=52734occurred in iteration=1, InterpolantAutomatonStates: 56, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 13.3s AutomataMinimizationTime, 8 MinimizatonAttempts, 138252 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 406 NumberOfCodeBlocks, 406 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 398 ConstructedInterpolants, 0 QuantifiedInterpolants, 716 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-01-17 22:38:09,090 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...