/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-WP.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/concurrent/pthreads/forkFork.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-c7b2d19 [2022-03-15 20:30:08,036 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-15 20:30:08,037 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-15 20:30:08,104 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-15 20:30:08,104 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-15 20:30:08,105 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-15 20:30:08,107 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-15 20:30:08,108 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-15 20:30:08,110 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-15 20:30:08,111 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-15 20:30:08,112 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-15 20:30:08,113 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-15 20:30:08,113 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-15 20:30:08,114 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-15 20:30:08,115 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-15 20:30:08,116 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-15 20:30:08,117 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-15 20:30:08,117 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-15 20:30:08,119 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-15 20:30:08,120 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-15 20:30:08,122 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-15 20:30:08,123 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-15 20:30:08,124 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-15 20:30:08,124 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-15 20:30:08,127 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-03-15 20:30:08,127 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-03-15 20:30:08,128 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-03-15 20:30:08,128 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-03-15 20:30:08,129 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-03-15 20:30:08,129 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-03-15 20:30:08,130 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-03-15 20:30:08,130 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-03-15 20:30:08,131 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-03-15 20:30:08,132 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-03-15 20:30:08,132 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-03-15 20:30:08,137 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-03-15 20:30:08,138 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-03-15 20:30:08,138 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-03-15 20:30:08,138 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-15 20:30:08,139 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-15 20:30:08,140 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-15 20:30:08,142 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-WP.epf [2022-03-15 20:30:08,167 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-15 20:30:08,167 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-15 20:30:08,168 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-15 20:30:08,168 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-15 20:30:08,168 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-15 20:30:08,169 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-15 20:30:08,169 INFO L138 SettingsManager]: * Use SBE=true [2022-03-15 20:30:08,169 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-15 20:30:08,169 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-15 20:30:08,169 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-15 20:30:08,169 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-15 20:30:08,169 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-15 20:30:08,170 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-15 20:30:08,170 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-15 20:30:08,170 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-15 20:30:08,170 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-15 20:30:08,170 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-15 20:30:08,170 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-15 20:30:08,170 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-15 20:30:08,170 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-15 20:30:08,171 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-15 20:30:08,171 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-15 20:30:08,171 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-15 20:30:08,171 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-15 20:30:08,171 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-15 20:30:08,171 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2022-03-15 20:30:08,171 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-15 20:30:08,172 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-15 20:30:08,172 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-15 20:30:08,172 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2022-03-15 20:30:08,172 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2022-03-15 20:30:08,172 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-15 20:30:08,172 INFO L138 SettingsManager]: * Interpolant automaton=MCR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-15 20:30:08,380 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-15 20:30:08,403 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-15 20:30:08,406 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-15 20:30:08,406 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-15 20:30:08,409 INFO L275 PluginConnector]: CDTParser initialized [2022-03-15 20:30:08,410 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/pthreads/forkFork.c [2022-03-15 20:30:08,458 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/22af2035a/1aa355857bde453e871b9e4d90d23487/FLAGb2c7a6101 [2022-03-15 20:30:08,810 INFO L306 CDTParser]: Found 1 translation units. [2022-03-15 20:30:08,812 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/concurrent/pthreads/forkFork.c [2022-03-15 20:30:08,812 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available. [2022-03-15 20:30:08,812 WARN L117 ultiparseSymbolTable]: System include stdio.h could not be resolved by CDT -- only built-in system includes are available. [2022-03-15 20:30:08,847 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/22af2035a/1aa355857bde453e871b9e4d90d23487/FLAGb2c7a6101 [2022-03-15 20:30:09,217 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/22af2035a/1aa355857bde453e871b9e4d90d23487 [2022-03-15 20:30:09,220 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-15 20:30:09,221 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-15 20:30:09,223 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-15 20:30:09,224 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-15 20:30:09,226 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-15 20:30:09,227 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 08:30:09" (1/1) ... [2022-03-15 20:30:09,228 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c4d4f56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:30:09, skipping insertion in model container [2022-03-15 20:30:09,229 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 08:30:09" (1/1) ... [2022-03-15 20:30:09,235 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-15 20:30:09,247 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-15 20:30:09,426 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-15 20:30:09,435 INFO L203 MainTranslator]: Completed pre-run [2022-03-15 20:30:09,453 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-15 20:30:09,467 INFO L208 MainTranslator]: Completed translation [2022-03-15 20:30:09,469 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:30:09 WrapperNode [2022-03-15 20:30:09,470 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-15 20:30:09,472 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-15 20:30:09,472 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-15 20:30:09,472 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-15 20:30:09,479 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:30:09" (1/1) ... [2022-03-15 20:30:09,492 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:30:09" (1/1) ... [2022-03-15 20:30:09,510 INFO L137 Inliner]: procedures = 12, calls = 32, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 41 [2022-03-15 20:30:09,511 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-15 20:30:09,512 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-15 20:30:09,512 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-15 20:30:09,512 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-15 20:30:09,518 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:30:09" (1/1) ... [2022-03-15 20:30:09,518 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:30:09" (1/1) ... [2022-03-15 20:30:09,530 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:30:09" (1/1) ... [2022-03-15 20:30:09,530 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:30:09" (1/1) ... [2022-03-15 20:30:09,534 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:30:09" (1/1) ... [2022-03-15 20:30:09,536 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:30:09" (1/1) ... [2022-03-15 20:30:09,537 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:30:09" (1/1) ... [2022-03-15 20:30:09,538 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-15 20:30:09,542 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-15 20:30:09,542 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-15 20:30:09,542 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-15 20:30:09,543 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:30:09" (1/1) ... [2022-03-15 20:30:09,549 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-15 20:30:09,556 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 20:30:09,568 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) [2022-03-15 20:30:09,594 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 [2022-03-15 20:30:09,607 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-03-15 20:30:09,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-15 20:30:09,607 INFO L130 BoogieDeclarations]: Found specification of procedure bar [2022-03-15 20:30:09,608 INFO L138 BoogieDeclarations]: Found implementation of procedure bar [2022-03-15 20:30:09,608 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2022-03-15 20:30:09,608 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2022-03-15 20:30:09,608 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-15 20:30:09,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-15 20:30:09,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-15 20:30:09,608 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-03-15 20:30:09,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-03-15 20:30:09,609 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-03-15 20:30:09,609 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-15 20:30:09,610 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-15 20:30:09,672 INFO L234 CfgBuilder]: Building ICFG [2022-03-15 20:30:09,673 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-15 20:30:09,816 INFO L275 CfgBuilder]: Performing block encoding [2022-03-15 20:30:09,822 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-15 20:30:09,822 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-15 20:30:09,823 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 08:30:09 BoogieIcfgContainer [2022-03-15 20:30:09,823 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-15 20:30:09,825 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-15 20:30:09,825 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-15 20:30:09,827 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-15 20:30:09,828 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.03 08:30:09" (1/3) ... [2022-03-15 20:30:09,828 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cc5df84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 08:30:09, skipping insertion in model container [2022-03-15 20:30:09,828 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:30:09" (2/3) ... [2022-03-15 20:30:09,829 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cc5df84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 08:30:09, skipping insertion in model container [2022-03-15 20:30:09,829 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 08:30:09" (3/3) ... [2022-03-15 20:30:09,830 INFO L111 eAbstractionObserver]: Analyzing ICFG forkFork.c [2022-03-15 20:30:09,834 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-15 20:30:09,834 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2022-03-15 20:30:09,834 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-03-15 20:30:09,834 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-15 20:30:09,900 WARN L322 ript$VariableManager]: TermVariabe |barThread1of1ForFork1_#in~b.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,901 WARN L322 ript$VariableManager]: TermVariabe |barThread1of1ForFork1_#in~b.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,901 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~b.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,901 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~b.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,901 WARN L322 ript$VariableManager]: TermVariabe |barThread1of1ForFork1_#in~b.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,901 WARN L322 ript$VariableManager]: TermVariabe |barThread1of1ForFork1_#in~b.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,902 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~b.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,902 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~b.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,902 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~b.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,902 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~b.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,902 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~c~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,902 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~c~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,903 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~b.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,903 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~b.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,903 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~c~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,903 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~c~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,903 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~c~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,904 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~c~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,904 WARN L322 ript$VariableManager]: TermVariabe |barThread1of1ForFork1_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,904 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~c~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,904 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~c~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,904 WARN L322 ript$VariableManager]: TermVariabe |barThread1of1ForFork1_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,905 WARN L322 ript$VariableManager]: TermVariabe |barThread1of1ForFork1_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,905 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~val~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,905 WARN L322 ript$VariableManager]: TermVariabe |barThread1of1ForFork1_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,905 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~val~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,905 WARN L322 ript$VariableManager]: TermVariabe |barThread1of1ForFork1_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,905 WARN L322 ript$VariableManager]: TermVariabe |barThread1of1ForFork1_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,906 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~val~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,906 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~val~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,906 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~val~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,906 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~val~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,907 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~c~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,907 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~c~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,907 WARN L322 ript$VariableManager]: TermVariabe |barThread1of1ForFork1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,907 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~c~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,907 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~c~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,907 WARN L322 ript$VariableManager]: TermVariabe |barThread1of1ForFork1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,908 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~c~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,908 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~c~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,908 WARN L322 ript$VariableManager]: TermVariabe |barThread1of1ForFork1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,909 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~c~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,909 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~c~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,909 WARN L322 ript$VariableManager]: TermVariabe |barThread1of1ForFork1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,917 WARN L322 ript$VariableManager]: TermVariabe |barThread1of1ForFork1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,917 WARN L322 ript$VariableManager]: TermVariabe |barThread1of1ForFork1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,917 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~c~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,917 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~c~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,917 WARN L322 ript$VariableManager]: TermVariabe |barThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,918 WARN L322 ript$VariableManager]: TermVariabe |barThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,918 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~c~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,918 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~c~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,918 WARN L322 ript$VariableManager]: TermVariabe |barThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,918 WARN L322 ript$VariableManager]: TermVariabe |barThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,919 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~a.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,919 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~a.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,923 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~a.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,923 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~a.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,924 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~a.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,924 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~a.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,924 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~a.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,924 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~a.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,925 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#second_thread~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,925 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#second_thread~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,926 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#second_thread~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,926 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#second_thread~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,927 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~a.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,927 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~a.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,927 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~param~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,927 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~param~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,927 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~a.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,935 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~a.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,935 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~param~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,935 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~param~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,935 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#ret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,936 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#ret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,936 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#ret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,937 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#ret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,937 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~pre2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,938 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~pre2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,938 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#second_thread~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,938 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~pre2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,938 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#second_thread~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,939 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#second_thread~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,939 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~pre2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,939 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#second_thread~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,941 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~pre2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,941 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~pre2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,942 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,942 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,942 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#second_thread~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,942 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#second_thread~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,942 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,943 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#second_thread~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,943 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#second_thread~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,943 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,944 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#ret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,944 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#ret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,946 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~nondet5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,946 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~nondet5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,947 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#ret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,947 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#ret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,947 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~nondet5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,947 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~nondet5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,948 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,948 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,948 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~nondet5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,949 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~nondet5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,949 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~nondet5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,949 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~nondet5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,949 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#ret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,949 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#ret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,949 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem6.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,949 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem6.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,950 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#ret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,950 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#ret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,950 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem6.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,950 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem6.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,951 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem6.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,951 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem6.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,951 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,951 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,951 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem6.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,952 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem6.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,952 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,952 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,952 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem6.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,952 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem6.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,953 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem6.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,953 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem6.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,953 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#second_thread~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,953 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#second_thread~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,953 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#second_thread~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,953 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#second_thread~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,954 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#second_thread~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,954 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#second_thread~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,954 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#ret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,954 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#ret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,954 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#ret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,955 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#ret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,955 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#ret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,955 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#ret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,958 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#second_thread~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,959 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,959 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~a.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,975 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~param~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,975 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~param~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,976 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#ret~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,976 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~a.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,976 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#ret~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,976 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,976 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~pre2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,976 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_~#second_thread~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,976 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~nondet5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,977 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,977 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem6.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,977 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,977 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem6.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,977 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~nondet5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,988 WARN L322 ript$VariableManager]: TermVariabe |barThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,988 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~c~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,988 WARN L322 ript$VariableManager]: TermVariabe |barThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,989 WARN L322 ript$VariableManager]: TermVariabe |barThread1of1ForFork1_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,989 WARN L322 ript$VariableManager]: TermVariabe |barThread1of1ForFork1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,989 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~c~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,989 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~b.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,989 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~val~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,989 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~b.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,991 WARN L322 ript$VariableManager]: TermVariabe |barThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,991 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~c~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,991 WARN L322 ript$VariableManager]: TermVariabe |barThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,991 WARN L322 ript$VariableManager]: TermVariabe |barThread1of1ForFork1_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,991 WARN L322 ript$VariableManager]: TermVariabe |barThread1of1ForFork1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,991 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~c~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,991 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~b.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,992 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~val~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:09,992 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork1_~b.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:30:10,013 INFO L148 ThreadInstanceAdder]: Constructed 5 joinOtherThreadTransitions. [2022-03-15 20:30:10,048 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-15 20:30:10,060 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=Craig_NestedInterpolation, mInterpolantAutomaton=MCR, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mLazyFiniteAutomaton=false, 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=true, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=true [2022-03-15 20:30:10,060 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2022-03-15 20:30:10,074 INFO L126 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-03-15 20:30:10,081 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 97 places, 90 transitions, 199 flow [2022-03-15 20:30:10,083 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 97 places, 90 transitions, 199 flow [2022-03-15 20:30:10,084 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 97 places, 90 transitions, 199 flow [2022-03-15 20:30:10,120 INFO L129 PetriNetUnfolder]: 1/77 cut-off events. [2022-03-15 20:30:10,120 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-03-15 20:30:10,122 INFO L84 FinitePrefix]: Finished finitePrefix Result has 87 conditions, 77 events. 1/77 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 16 event pairs, 0 based on Foata normal form. 0/74 useless extension candidates. Maximal degree in co-relation 44. Up to 3 conditions per place. [2022-03-15 20:30:10,125 INFO L116 LiptonReduction]: Number of co-enabled transitions 360 [2022-03-15 20:30:12,241 INFO L131 LiptonReduction]: Checked pairs total: 698 [2022-03-15 20:30:12,241 INFO L133 LiptonReduction]: Total number of compositions: 74 [2022-03-15 20:30:12,248 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 29 places, 22 transitions, 63 flow [2022-03-15 20:30:12,263 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 46 states, 44 states have (on average 1.8181818181818181) internal successors, (80), 45 states have internal predecessors, (80), 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) [2022-03-15 20:30:12,265 INFO L276 IsEmpty]: Start isEmpty. Operand has 46 states, 44 states have (on average 1.8181818181818181) internal successors, (80), 45 states have internal predecessors, (80), 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) [2022-03-15 20:30:12,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-03-15 20:30:12,269 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 20:30:12,269 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-03-15 20:30:12,269 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting barErr0ASSERT_VIOLATIONASSERT === [barErr0ASSERT_VIOLATIONASSERT, fooErr2INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1INUSE_VIOLATION (and 2 more)] === [2022-03-15 20:30:12,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 20:30:12,274 INFO L85 PathProgramCache]: Analyzing trace with hash -293439700, now seen corresponding path program 1 times [2022-03-15 20:30:12,289 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 20:30:12,290 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [787025409] [2022-03-15 20:30:12,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:30:12,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 20:30:12,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:30:12,601 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 20:30:12,602 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 20:30:12,602 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [787025409] [2022-03-15 20:30:12,602 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [787025409] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 20:30:12,603 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 20:30:12,603 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-15 20:30:12,605 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [685803130] [2022-03-15 20:30:12,605 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 20:30:12,610 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 20:30:12,625 INFO L252 McrAutomatonBuilder]: Finished intersection with 8 states and 7 transitions. [2022-03-15 20:30:12,626 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 20:30:12,629 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 20:30:12,630 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-03-15 20:30:12,631 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 20:30:12,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-03-15 20:30:12,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-03-15 20:30:12,648 INFO L87 Difference]: Start difference. First operand has 46 states, 44 states have (on average 1.8181818181818181) internal successors, (80), 45 states have internal predecessors, (80), 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 7 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 6 states have internal predecessors, (7), 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) [2022-03-15 20:30:12,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 20:30:12,758 INFO L93 Difference]: Finished difference Result 40 states and 67 transitions. [2022-03-15 20:30:12,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-15 20:30:12,760 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 6 states have internal predecessors, (7), 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 7 [2022-03-15 20:30:12,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 20:30:12,765 INFO L225 Difference]: With dead ends: 40 [2022-03-15 20:30:12,766 INFO L226 Difference]: Without dead ends: 40 [2022-03-15 20:30:12,767 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-03-15 20:30:12,769 INFO L933 BasicCegarLoop]: 1 mSDtfsCounter, 11 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 1 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 20:30:12,770 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 1 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 20:30:12,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2022-03-15 20:30:12,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2022-03-15 20:30:12,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 39 states have (on average 1.7179487179487178) internal successors, (67), 39 states have internal predecessors, (67), 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) [2022-03-15 20:30:12,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 67 transitions. [2022-03-15 20:30:12,799 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 67 transitions. Word has length 7 [2022-03-15 20:30:12,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 20:30:12,799 INFO L470 AbstractCegarLoop]: Abstraction has 40 states and 67 transitions. [2022-03-15 20:30:12,799 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 6 states have internal predecessors, (7), 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) [2022-03-15 20:30:12,799 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 67 transitions. [2022-03-15 20:30:12,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-03-15 20:30:12,801 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 20:30:12,802 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 20:30:12,802 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-15 20:30:12,802 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [barErr0ASSERT_VIOLATIONASSERT, fooErr2INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1INUSE_VIOLATION (and 2 more)] === [2022-03-15 20:30:12,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 20:30:12,803 INFO L85 PathProgramCache]: Analyzing trace with hash 1391044574, now seen corresponding path program 1 times [2022-03-15 20:30:12,805 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 20:30:12,805 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1163240022] [2022-03-15 20:30:12,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:30:12,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 20:30:12,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:30:13,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 20:30:13,198 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 20:30:13,199 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1163240022] [2022-03-15 20:30:13,199 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1163240022] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 20:30:13,199 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 20:30:13,199 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-15 20:30:13,199 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1146437028] [2022-03-15 20:30:13,199 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 20:30:13,202 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 20:30:13,208 INFO L252 McrAutomatonBuilder]: Finished intersection with 17 states and 16 transitions. [2022-03-15 20:30:13,208 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 20:30:13,209 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 20:30:13,209 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-03-15 20:30:13,210 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 20:30:13,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-03-15 20:30:13,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=155, Unknown=0, NotChecked=0, Total=182 [2022-03-15 20:30:13,211 INFO L87 Difference]: Start difference. First operand 40 states and 67 transitions. Second operand has 14 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 13 states have internal predecessors, (16), 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) [2022-03-15 20:30:13,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 20:30:13,733 INFO L93 Difference]: Finished difference Result 45 states and 72 transitions. [2022-03-15 20:30:13,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-03-15 20:30:13,734 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 13 states have internal predecessors, (16), 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 16 [2022-03-15 20:30:13,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 20:30:13,735 INFO L225 Difference]: With dead ends: 45 [2022-03-15 20:30:13,735 INFO L226 Difference]: Without dead ends: 38 [2022-03-15 20:30:13,736 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=128, Invalid=472, Unknown=0, NotChecked=0, Total=600 [2022-03-15 20:30:13,737 INFO L933 BasicCegarLoop]: 4 mSDtfsCounter, 57 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 241 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 277 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 241 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-15 20:30:13,737 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [57 Valid, 9 Invalid, 277 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 241 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-15 20:30:13,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2022-03-15 20:30:13,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2022-03-15 20:30:13,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 37 states have (on average 1.7027027027027026) internal successors, (63), 37 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) [2022-03-15 20:30:13,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 63 transitions. [2022-03-15 20:30:13,742 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 63 transitions. Word has length 16 [2022-03-15 20:30:13,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 20:30:13,742 INFO L470 AbstractCegarLoop]: Abstraction has 38 states and 63 transitions. [2022-03-15 20:30:13,742 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 13 states have internal predecessors, (16), 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) [2022-03-15 20:30:13,742 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2022-03-15 20:30:13,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-03-15 20:30:13,748 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 20:30:13,748 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 20:30:13,748 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-15 20:30:13,749 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [barErr0ASSERT_VIOLATIONASSERT, fooErr2INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1INUSE_VIOLATION (and 2 more)] === [2022-03-15 20:30:13,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 20:30:13,749 INFO L85 PathProgramCache]: Analyzing trace with hash 820008764, now seen corresponding path program 2 times [2022-03-15 20:30:13,750 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 20:30:13,751 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [934278049] [2022-03-15 20:30:13,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:30:13,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 20:30:13,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:30:14,072 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 20:30:14,072 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 20:30:14,072 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [934278049] [2022-03-15 20:30:14,072 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [934278049] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 20:30:14,072 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 20:30:14,073 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-03-15 20:30:14,073 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [349002895] [2022-03-15 20:30:14,073 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 20:30:14,076 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 20:30:14,082 INFO L252 McrAutomatonBuilder]: Finished intersection with 25 states and 32 transitions. [2022-03-15 20:30:14,082 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 20:30:14,142 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-03-15 20:30:14,144 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2022-03-15 20:30:14,209 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 20:30:14,210 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-15 20:30:14,210 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 20:30:14,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-15 20:30:14,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2022-03-15 20:30:14,211 INFO L87 Difference]: Start difference. First operand 38 states and 63 transitions. Second operand has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 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) [2022-03-15 20:30:14,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 20:30:14,682 INFO L93 Difference]: Finished difference Result 45 states and 71 transitions. [2022-03-15 20:30:14,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-03-15 20:30:14,682 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 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 16 [2022-03-15 20:30:14,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 20:30:14,683 INFO L225 Difference]: With dead ends: 45 [2022-03-15 20:30:14,683 INFO L226 Difference]: Without dead ends: 37 [2022-03-15 20:30:14,683 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=119, Invalid=387, Unknown=0, NotChecked=0, Total=506 [2022-03-15 20:30:14,684 INFO L933 BasicCegarLoop]: 4 mSDtfsCounter, 40 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 232 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 254 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 232 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-15 20:30:14,685 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [40 Valid, 10 Invalid, 254 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 232 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-15 20:30:14,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2022-03-15 20:30:14,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2022-03-15 20:30:14,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 36 states have (on average 1.6944444444444444) internal successors, (61), 36 states have internal predecessors, (61), 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) [2022-03-15 20:30:14,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 61 transitions. [2022-03-15 20:30:14,689 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 61 transitions. Word has length 16 [2022-03-15 20:30:14,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 20:30:14,689 INFO L470 AbstractCegarLoop]: Abstraction has 37 states and 61 transitions. [2022-03-15 20:30:14,689 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 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) [2022-03-15 20:30:14,689 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 61 transitions. [2022-03-15 20:30:14,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-03-15 20:30:14,690 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 20:30:14,690 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 20:30:14,690 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-03-15 20:30:14,691 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [barErr0ASSERT_VIOLATIONASSERT, fooErr2INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1INUSE_VIOLATION (and 2 more)] === [2022-03-15 20:30:14,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 20:30:14,691 INFO L85 PathProgramCache]: Analyzing trace with hash 812873012, now seen corresponding path program 3 times [2022-03-15 20:30:14,692 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 20:30:14,692 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [106036185] [2022-03-15 20:30:14,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:30:14,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 20:30:14,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:30:14,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 20:30:14,925 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 20:30:14,925 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [106036185] [2022-03-15 20:30:14,926 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [106036185] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 20:30:14,926 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 20:30:14,926 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-03-15 20:30:14,926 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1897764197] [2022-03-15 20:30:14,927 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 20:30:14,931 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 20:30:14,940 INFO L252 McrAutomatonBuilder]: Finished intersection with 25 states and 32 transitions. [2022-03-15 20:30:14,940 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 20:30:15,081 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-03-15 20:30:15,083 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-03-15 20:30:15,091 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-03-15 20:30:15,092 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-03-15 20:30:15,209 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 1 new interpolants: [647#(and (not (= |barThread1of1ForFork1_#res.base| |fooThread1of1ForFork0_~#ret~0.base|)) (<= 10 (select (select |#memory_int| |barThread1of1ForFork1_#res.base|) |barThread1of1ForFork1_#res.offset|)) (<= (select (select |#memory_int| |barThread1of1ForFork1_#res.base|) |barThread1of1ForFork1_#res.offset|) 10) (not (= |barThread1of1ForFork1_#res.base| |ULTIMATE.start_main_~#ret_val~0#1.base|)))] [2022-03-15 20:30:15,209 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-03-15 20:30:15,209 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 20:30:15,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-03-15 20:30:15,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=156, Unknown=0, NotChecked=0, Total=182 [2022-03-15 20:30:15,210 INFO L87 Difference]: Start difference. First operand 37 states and 61 transitions. Second operand has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 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) [2022-03-15 20:30:15,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 20:30:15,602 INFO L93 Difference]: Finished difference Result 50 states and 80 transitions. [2022-03-15 20:30:15,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-03-15 20:30:15,602 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 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 16 [2022-03-15 20:30:15,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 20:30:15,603 INFO L225 Difference]: With dead ends: 50 [2022-03-15 20:30:15,603 INFO L226 Difference]: Without dead ends: 34 [2022-03-15 20:30:15,604 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=141, Invalid=459, Unknown=0, NotChecked=0, Total=600 [2022-03-15 20:30:15,604 INFO L933 BasicCegarLoop]: 4 mSDtfsCounter, 46 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 261 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 293 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 261 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-15 20:30:15,605 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [46 Valid, 9 Invalid, 293 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 261 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-15 20:30:15,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2022-03-15 20:30:15,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2022-03-15 20:30:15,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 33 states have (on average 1.606060606060606) internal successors, (53), 33 states have internal predecessors, (53), 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) [2022-03-15 20:30:15,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 53 transitions. [2022-03-15 20:30:15,608 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 53 transitions. Word has length 16 [2022-03-15 20:30:15,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 20:30:15,608 INFO L470 AbstractCegarLoop]: Abstraction has 34 states and 53 transitions. [2022-03-15 20:30:15,608 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 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) [2022-03-15 20:30:15,609 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 53 transitions. [2022-03-15 20:30:15,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-03-15 20:30:15,609 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 20:30:15,609 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 20:30:15,609 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-03-15 20:30:15,609 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [barErr0ASSERT_VIOLATIONASSERT, fooErr2INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1INUSE_VIOLATION (and 2 more)] === [2022-03-15 20:30:15,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 20:30:15,610 INFO L85 PathProgramCache]: Analyzing trace with hash -1778863660, now seen corresponding path program 4 times [2022-03-15 20:30:15,611 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 20:30:15,611 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [3863015] [2022-03-15 20:30:15,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:30:15,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 20:30:15,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:30:15,813 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 20:30:15,814 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 20:30:15,814 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [3863015] [2022-03-15 20:30:15,814 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [3863015] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 20:30:15,814 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 20:30:15,814 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-03-15 20:30:15,814 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [728360975] [2022-03-15 20:30:15,814 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 20:30:15,817 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 20:30:15,822 INFO L252 McrAutomatonBuilder]: Finished intersection with 22 states and 26 transitions. [2022-03-15 20:30:15,822 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 20:30:15,885 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-03-15 20:30:15,886 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-03-15 20:30:15,893 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-03-15 20:30:15,894 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-03-15 20:30:15,900 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 1 new interpolants: [801#(and (not (= |ULTIMATE.start_main_~#ret_val~0#1.base| fooThread1of1ForFork0_~param~0.base)) (not (= |fooThread1of1ForFork0_~#ret~0.base| fooThread1of1ForFork0_~param~0.base)))] [2022-03-15 20:30:15,900 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-03-15 20:30:15,900 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 20:30:15,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-03-15 20:30:15,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2022-03-15 20:30:15,901 INFO L87 Difference]: Start difference. First operand 34 states and 53 transitions. Second operand has 14 states, 13 states have (on average 1.6153846153846154) internal successors, (21), 13 states have internal predecessors, (21), 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) [2022-03-15 20:30:16,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 20:30:16,383 INFO L93 Difference]: Finished difference Result 55 states and 86 transitions. [2022-03-15 20:30:16,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-03-15 20:30:16,383 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.6153846153846154) internal successors, (21), 13 states have internal predecessors, (21), 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 16 [2022-03-15 20:30:16,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 20:30:16,384 INFO L225 Difference]: With dead ends: 55 [2022-03-15 20:30:16,384 INFO L226 Difference]: Without dead ends: 30 [2022-03-15 20:30:16,385 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=142, Invalid=458, Unknown=0, NotChecked=0, Total=600 [2022-03-15 20:30:16,385 INFO L933 BasicCegarLoop]: 4 mSDtfsCounter, 73 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 255 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 279 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 255 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-15 20:30:16,385 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [73 Valid, 18 Invalid, 279 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 255 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-15 20:30:16,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2022-03-15 20:30:16,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2022-03-15 20:30:16,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 29 states have (on average 1.5517241379310345) internal successors, (45), 29 states have internal predecessors, (45), 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) [2022-03-15 20:30:16,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 45 transitions. [2022-03-15 20:30:16,388 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 45 transitions. Word has length 16 [2022-03-15 20:30:16,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 20:30:16,389 INFO L470 AbstractCegarLoop]: Abstraction has 30 states and 45 transitions. [2022-03-15 20:30:16,389 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.6153846153846154) internal successors, (21), 13 states have internal predecessors, (21), 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) [2022-03-15 20:30:16,389 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 45 transitions. [2022-03-15 20:30:16,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-03-15 20:30:16,389 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 20:30:16,390 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 20:30:16,390 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-03-15 20:30:16,390 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [barErr0ASSERT_VIOLATIONASSERT, fooErr2INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1INUSE_VIOLATION (and 2 more)] === [2022-03-15 20:30:16,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 20:30:16,390 INFO L85 PathProgramCache]: Analyzing trace with hash -833045446, now seen corresponding path program 5 times [2022-03-15 20:30:16,391 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 20:30:16,391 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1657150279] [2022-03-15 20:30:16,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:30:16,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 20:30:16,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:30:16,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 20:30:16,580 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 20:30:16,580 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1657150279] [2022-03-15 20:30:16,580 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1657150279] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 20:30:16,581 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 20:30:16,581 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-03-15 20:30:16,581 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [38089365] [2022-03-15 20:30:16,581 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 20:30:16,584 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 20:30:16,587 INFO L252 McrAutomatonBuilder]: Finished intersection with 18 states and 18 transitions. [2022-03-15 20:30:16,587 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 20:30:16,638 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 20:30:16,638 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-15 20:30:16,639 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 20:30:16,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-15 20:30:16,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=132, Unknown=0, NotChecked=0, Total=156 [2022-03-15 20:30:16,639 INFO L87 Difference]: Start difference. First operand 30 states and 45 transitions. Second operand has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 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) [2022-03-15 20:30:16,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 20:30:16,978 INFO L93 Difference]: Finished difference Result 53 states and 81 transitions. [2022-03-15 20:30:16,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-03-15 20:30:16,978 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 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 16 [2022-03-15 20:30:16,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 20:30:16,979 INFO L225 Difference]: With dead ends: 53 [2022-03-15 20:30:16,979 INFO L226 Difference]: Without dead ends: 29 [2022-03-15 20:30:16,979 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=123, Invalid=383, Unknown=0, NotChecked=0, Total=506 [2022-03-15 20:30:16,980 INFO L933 BasicCegarLoop]: 4 mSDtfsCounter, 65 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 215 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 238 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 215 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 20:30:16,980 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [65 Valid, 13 Invalid, 238 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 215 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 20:30:16,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2022-03-15 20:30:16,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2022-03-15 20:30:16,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 28 states have (on average 1.5357142857142858) internal successors, (43), 28 states have internal predecessors, (43), 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) [2022-03-15 20:30:16,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 43 transitions. [2022-03-15 20:30:16,983 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 43 transitions. Word has length 16 [2022-03-15 20:30:16,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 20:30:16,983 INFO L470 AbstractCegarLoop]: Abstraction has 29 states and 43 transitions. [2022-03-15 20:30:16,984 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 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) [2022-03-15 20:30:16,984 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 43 transitions. [2022-03-15 20:30:16,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-03-15 20:30:16,984 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 20:30:16,984 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 20:30:16,984 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-03-15 20:30:16,984 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [barErr0ASSERT_VIOLATIONASSERT, fooErr2INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1INUSE_VIOLATION (and 2 more)] === [2022-03-15 20:30:16,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 20:30:16,985 INFO L85 PathProgramCache]: Analyzing trace with hash 227732644, now seen corresponding path program 6 times [2022-03-15 20:30:16,986 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 20:30:16,986 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2846703] [2022-03-15 20:30:16,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:30:16,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 20:30:17,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:30:17,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 20:30:17,232 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 20:30:17,233 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2846703] [2022-03-15 20:30:17,233 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2846703] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 20:30:17,233 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 20:30:17,233 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-03-15 20:30:17,233 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1519155554] [2022-03-15 20:30:17,233 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 20:30:17,237 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 20:30:17,242 INFO L252 McrAutomatonBuilder]: Finished intersection with 19 states and 20 transitions. [2022-03-15 20:30:17,242 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 20:30:17,293 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 20:30:17,293 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-15 20:30:17,293 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 20:30:17,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-15 20:30:17,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=132, Unknown=0, NotChecked=0, Total=156 [2022-03-15 20:30:17,294 INFO L87 Difference]: Start difference. First operand 29 states and 43 transitions. Second operand has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 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) [2022-03-15 20:30:17,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 20:30:17,611 INFO L93 Difference]: Finished difference Result 28 states and 42 transitions. [2022-03-15 20:30:17,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-03-15 20:30:17,612 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 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 16 [2022-03-15 20:30:17,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 20:30:17,612 INFO L225 Difference]: With dead ends: 28 [2022-03-15 20:30:17,612 INFO L226 Difference]: Without dead ends: 0 [2022-03-15 20:30:17,613 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=123, Invalid=383, Unknown=0, NotChecked=0, Total=506 [2022-03-15 20:30:17,613 INFO L933 BasicCegarLoop]: 4 mSDtfsCounter, 43 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 156 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 156 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 20:30:17,614 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [43 Valid, 10 Invalid, 175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 156 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 20:30:17,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-03-15 20:30:17,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-03-15 20:30:17,615 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) [2022-03-15 20:30:17,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-03-15 20:30:17,615 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 16 [2022-03-15 20:30:17,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 20:30:17,615 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-03-15 20:30:17,615 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 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) [2022-03-15 20:30:17,615 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-03-15 20:30:17,615 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-03-15 20:30:17,618 INFO L764 garLoopResultBuilder]: Registering result SAFE for location barErr0ASSERT_VIOLATIONASSERT (5 of 6 remaining) [2022-03-15 20:30:17,618 INFO L764 garLoopResultBuilder]: Registering result SAFE for location fooErr2INUSE_VIOLATION (4 of 6 remaining) [2022-03-15 20:30:17,618 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 6 remaining) [2022-03-15 20:30:17,618 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION (2 of 6 remaining) [2022-03-15 20:30:17,618 INFO L764 garLoopResultBuilder]: Registering result SAFE for location barErr0ASSERT_VIOLATIONASSERT (1 of 6 remaining) [2022-03-15 20:30:17,619 INFO L764 garLoopResultBuilder]: Registering result SAFE for location fooThread1of1ForFork0Err0INUSE_VIOLATION (0 of 6 remaining) [2022-03-15 20:30:17,619 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-03-15 20:30:17,621 INFO L732 BasicCegarLoop]: Path program histogram: [6, 1] [2022-03-15 20:30:17,624 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-15 20:30:17,624 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-15 20:30:17,626 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.03 08:30:17 BasicIcfg [2022-03-15 20:30:17,626 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-15 20:30:17,627 INFO L158 Benchmark]: Toolchain (without parser) took 8405.91ms. Allocated memory was 174.1MB in the beginning and 298.8MB in the end (delta: 124.8MB). Free memory was 116.0MB in the beginning and 218.5MB in the end (delta: -102.5MB). Peak memory consumption was 22.3MB. Max. memory is 8.0GB. [2022-03-15 20:30:17,627 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 174.1MB. Free memory was 134.5MB in the beginning and 134.3MB in the end (delta: 143.3kB). There was no memory consumed. Max. memory is 8.0GB. [2022-03-15 20:30:17,627 INFO L158 Benchmark]: CACSL2BoogieTranslator took 246.93ms. Allocated memory was 174.1MB in the beginning and 248.5MB in the end (delta: 74.4MB). Free memory was 115.9MB in the beginning and 221.2MB in the end (delta: -105.3MB). Peak memory consumption was 14.4MB. Max. memory is 8.0GB. [2022-03-15 20:30:17,628 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.42ms. Allocated memory is still 248.5MB. Free memory was 221.2MB in the beginning and 219.3MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-03-15 20:30:17,628 INFO L158 Benchmark]: Boogie Preprocessor took 26.81ms. Allocated memory is still 248.5MB. Free memory was 219.3MB in the beginning and 218.3MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-15 20:30:17,628 INFO L158 Benchmark]: RCFGBuilder took 281.80ms. Allocated memory is still 248.5MB. Free memory was 218.3MB in the beginning and 204.6MB in the end (delta: 13.6MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2022-03-15 20:30:17,629 INFO L158 Benchmark]: TraceAbstraction took 7801.66ms. Allocated memory was 248.5MB in the beginning and 298.8MB in the end (delta: 50.3MB). Free memory was 204.1MB in the beginning and 218.5MB in the end (delta: -14.4MB). Peak memory consumption was 36.9MB. Max. memory is 8.0GB. [2022-03-15 20:30:17,630 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 174.1MB. Free memory was 134.5MB in the beginning and 134.3MB in the end (delta: 143.3kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 246.93ms. Allocated memory was 174.1MB in the beginning and 248.5MB in the end (delta: 74.4MB). Free memory was 115.9MB in the beginning and 221.2MB in the end (delta: -105.3MB). Peak memory consumption was 14.4MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 39.42ms. Allocated memory is still 248.5MB. Free memory was 221.2MB in the beginning and 219.3MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 26.81ms. Allocated memory is still 248.5MB. Free memory was 219.3MB in the beginning and 218.3MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 281.80ms. Allocated memory is still 248.5MB. Free memory was 218.3MB in the beginning and 204.6MB in the end (delta: 13.6MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * TraceAbstraction took 7801.66ms. Allocated memory was 248.5MB in the beginning and 298.8MB in the end (delta: 50.3MB). Free memory was 204.1MB in the beginning and 218.5MB in the end (delta: -14.4MB). Peak memory consumption was 36.9MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.2s, 97 PlacesBefore, 29 PlacesAfterwards, 90 TransitionsBefore, 22 TransitionsAfterwards, 360 CoEnabledTransitionPairs, 5 FixpointIterations, 45 TrivialSequentialCompositions, 29 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 74 TotalNumberOfCompositions, 698 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 436, positive: 361, positive conditional: 0, positive unconditional: 361, negative: 75, negative conditional: 0, negative unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 197, positive: 178, positive conditional: 0, positive unconditional: 178, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 436, positive: 183, positive conditional: 0, positive unconditional: 183, negative: 56, negative conditional: 0, negative unconditional: 56, unknown: 197, unknown conditional: 0, unknown unconditional: 197] , Statistics on independence cache: Total cache size (in pairs): 22, Positive cache size: 14, Positive conditional cache size: 0, Positive unconditional cache size: 14, Negative cache size: 8, Negative conditional cache size: 0, Negative unconditional cache size: 8 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 19]: assertion always holds For all program executions holds that assertion always holds at this location - PositiveResult [Line: 45]: assertion always holds For all program executions holds that assertion always holds at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 119 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 7.6s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 6, EmptinessCheckTime: 0.0s, AutomataDifference: 2.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.2s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 335 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 335 mSDsluCounter, 70 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 113 mSDsCounter, 166 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1455 IncrementalHoareTripleChecker+Invalid, 1621 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 166 mSolverCounterUnsat, 25 mSDtfsCounter, 1455 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 157 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 140 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 170 ImplicationChecksByTransitivity, 2.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=46occurred in iteration=0, InterpolantAutomatonStates: 94, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 7 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 103 NumberOfCodeBlocks, 103 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 96 ConstructedInterpolants, 0 QuantifiedInterpolants, 1523 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-03-15 20:30:17,664 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...