/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-Persistent-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-atomic/lamport.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-8a14012e553caa636f65c1137831746b6d9875cd-8a14012 [2021-08-07 12:49:58,754 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-07 12:49:58,755 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-07 12:49:58,796 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-07 12:49:58,797 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-07 12:49:58,800 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-07 12:49:58,803 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-07 12:49:58,809 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-07 12:49:58,811 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-07 12:49:58,815 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-07 12:49:58,816 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-07 12:49:58,818 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-07 12:49:58,818 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-07 12:49:58,820 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-07 12:49:58,821 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-07 12:49:58,823 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-07 12:49:58,824 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-07 12:49:58,825 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-07 12:49:58,829 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-07 12:49:58,838 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-07 12:49:58,840 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-07 12:49:58,842 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-07 12:49:58,842 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-07 12:49:58,846 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-07 12:49:58,851 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-07 12:49:58,851 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-07 12:49:58,851 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-07 12:49:58,852 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-07 12:49:58,853 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-07 12:49:58,853 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-07 12:49:58,853 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-07 12:49:58,854 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-07 12:49:58,855 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-07 12:49:58,855 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-07 12:49:58,856 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-07 12:49:58,856 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-07 12:49:58,857 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-07 12:49:58,857 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-07 12:49:58,857 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-07 12:49:58,858 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-07 12:49:58,859 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-07 12:49:58,866 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-Persistent-NoLbe.epf [2021-08-07 12:49:58,907 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-07 12:49:58,907 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-07 12:49:58,908 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-07 12:49:58,908 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-07 12:49:58,911 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-07 12:49:58,911 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-07 12:49:58,911 INFO L138 SettingsManager]: * Use SBE=true [2021-08-07 12:49:58,912 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-07 12:49:58,912 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-07 12:49:58,912 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-07 12:49:58,922 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-07 12:49:58,922 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-07 12:49:58,923 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-07 12:49:58,923 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-07 12:49:58,923 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-07 12:49:58,923 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-07 12:49:58,923 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-07 12:49:58,923 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-07 12:49:58,923 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-07 12:49:58,923 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-07 12:49:58,924 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-07 12:49:58,924 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-07 12:49:58,924 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-07 12:49:58,924 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-07 12:49:58,924 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-07 12:49:58,924 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-07 12:49:58,924 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-07 12:49:58,924 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-07 12:49:58,925 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-07 12:49:58,925 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-07 12:49:58,925 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-08-07 12:49:58,925 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-07 12:49:58,925 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SETS [2021-08-07 12:49:58,925 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-07 12:49:59,217 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-07 12:49:59,234 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-07 12:49:59,236 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-07 12:49:59,237 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-07 12:49:59,238 INFO L275 PluginConnector]: CDTParser initialized [2021-08-07 12:49:59,239 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-atomic/lamport.i [2021-08-07 12:49:59,313 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc68ae371/71d94a18dc624bda943361df0bded7f4/FLAGabeb478ba [2021-08-07 12:49:59,849 INFO L306 CDTParser]: Found 1 translation units. [2021-08-07 12:49:59,852 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/lamport.i [2021-08-07 12:49:59,867 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc68ae371/71d94a18dc624bda943361df0bded7f4/FLAGabeb478ba [2021-08-07 12:50:00,274 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc68ae371/71d94a18dc624bda943361df0bded7f4 [2021-08-07 12:50:00,286 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-07 12:50:00,287 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-08-07 12:50:00,291 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-07 12:50:00,291 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-07 12:50:00,294 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-07 12:50:00,294 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.08 12:50:00" (1/1) ... [2021-08-07 12:50:00,295 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@aa3a4af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 12:50:00, skipping insertion in model container [2021-08-07 12:50:00,295 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.08 12:50:00" (1/1) ... [2021-08-07 12:50:00,302 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-07 12:50:00,335 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-07 12:50:00,465 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-08-07 12:50:00,642 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/lamport.i[32156,32169] [2021-08-07 12:50:00,652 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/lamport.i[34083,34096] [2021-08-07 12:50:00,661 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-07 12:50:00,673 INFO L203 MainTranslator]: Completed pre-run [2021-08-07 12:50:00,686 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-08-07 12:50:00,702 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/lamport.i[32156,32169] [2021-08-07 12:50:00,706 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/lamport.i[34083,34096] [2021-08-07 12:50:00,719 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-07 12:50:00,756 INFO L208 MainTranslator]: Completed translation [2021-08-07 12:50:00,757 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 12:50:00 WrapperNode [2021-08-07 12:50:00,757 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-07 12:50:00,758 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-07 12:50:00,758 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-07 12:50:00,758 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-07 12:50:00,764 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 12:50:00" (1/1) ... [2021-08-07 12:50:00,799 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 12:50:00" (1/1) ... [2021-08-07 12:50:00,818 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-07 12:50:00,819 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-07 12:50:00,819 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-07 12:50:00,819 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-07 12:50:00,826 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 12:50:00" (1/1) ... [2021-08-07 12:50:00,826 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 12:50:00" (1/1) ... [2021-08-07 12:50:00,833 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 12:50:00" (1/1) ... [2021-08-07 12:50:00,833 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 12:50:00" (1/1) ... [2021-08-07 12:50:00,839 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 12:50:00" (1/1) ... [2021-08-07 12:50:00,843 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 12:50:00" (1/1) ... [2021-08-07 12:50:00,845 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 12:50:00" (1/1) ... [2021-08-07 12:50:00,848 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-07 12:50:00,857 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-07 12:50:00,857 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-07 12:50:00,857 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-07 12:50:00,861 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 12:50:00" (1/1) ... [2021-08-07 12:50:00,867 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-07 12:50:00,874 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 12:50:00,890 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) [2021-08-07 12:50:00,908 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 [2021-08-07 12:50:00,938 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-08-07 12:50:00,938 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2021-08-07 12:50:00,938 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2021-08-07 12:50:00,938 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2021-08-07 12:50:00,938 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2021-08-07 12:50:00,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-08-07 12:50:00,939 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-08-07 12:50:00,939 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-07 12:50:00,939 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-07 12:50:00,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-07 12:50:00,939 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-08-07 12:50:00,939 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-07 12:50:00,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-07 12:50:00,940 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-08-07 12:50:01,411 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-07 12:50:01,412 INFO L299 CfgBuilder]: Removed 12 assume(true) statements. [2021-08-07 12:50:01,414 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.08 12:50:01 BoogieIcfgContainer [2021-08-07 12:50:01,415 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-07 12:50:01,417 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-07 12:50:01,417 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-07 12:50:01,419 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-07 12:50:01,420 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.08 12:50:00" (1/3) ... [2021-08-07 12:50:01,421 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6467a8b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.08 12:50:01, skipping insertion in model container [2021-08-07 12:50:01,421 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 12:50:00" (2/3) ... [2021-08-07 12:50:01,421 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6467a8b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.08 12:50:01, skipping insertion in model container [2021-08-07 12:50:01,421 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.08 12:50:01" (3/3) ... [2021-08-07 12:50:01,422 INFO L111 eAbstractionObserver]: Analyzing ICFG lamport.i [2021-08-07 12:50:01,432 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-08-07 12:50:01,432 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-07 12:50:01,432 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-08-07 12:50:01,432 INFO L509 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-07 12:50:01,469 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:50:01,470 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:50:01,470 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:50:01,470 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:50:01,470 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:50:01,470 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:50:01,470 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:50:01,471 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:50:01,474 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:50:01,475 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:50:01,476 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:50:01,477 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:50:01,477 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:50:01,477 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:50:01,477 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:50:01,477 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:50:01,477 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:50:01,478 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:50:01,478 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:50:01,478 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:50:01,478 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~x2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:50:01,478 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~x2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:50:01,479 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:50:01,479 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:50:01,479 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:50:01,479 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:50:01,480 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~x2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:50:01,480 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~x2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:50:01,480 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~x2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:50:01,480 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~x2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:50:01,480 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:50:01,480 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:50:01,480 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~b12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:50:01,481 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~b12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:50:01,481 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~b12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:50:01,481 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~b12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:50:01,481 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~b12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:50:01,481 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~b12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:50:01,481 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:50:01,481 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:50:01,481 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~b12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:50:01,482 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~b12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:50:01,482 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:50:01,482 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:50:01,482 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:50:01,482 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:50:01,482 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:50:01,482 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:50:01,483 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:50:01,483 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:50:01,483 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:50:01,483 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:50:01,484 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:50:01,484 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:50:01,485 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:50:01,485 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:50:01,485 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:50:01,485 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:50:01,485 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:50:01,485 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:50:01,485 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:50:01,485 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:50:01,487 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:50:01,487 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:50:01,487 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:50:01,487 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:50:01,487 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:50:01,488 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:50:01,488 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:50:01,488 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:50:01,488 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:50:01,488 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:50:01,489 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:50:01,489 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:50:01,489 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~x1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:50:01,489 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~x1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:50:01,490 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:50:01,490 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:50:01,490 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:50:01,490 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:50:01,490 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~x1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:50:01,491 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~x1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:50:01,491 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~x1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:50:01,491 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~x1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:50:01,492 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:50:01,492 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:50:01,492 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~b21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:50:01,493 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~b21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:50:01,493 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~b21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:50:01,494 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~b21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:50:01,494 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~b21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:50:01,497 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~b21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:50:01,502 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:50:01,503 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:50:01,503 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~b21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:50:01,503 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~b21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:50:01,503 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:50:01,503 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:50:01,503 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:50:01,503 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:50:01,503 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:50:01,503 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:50:01,504 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:50:01,504 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:50:01,504 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:50:01,504 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:50:01,504 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:50:01,504 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:50:01,507 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:50:01,507 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:50:01,508 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:50:01,508 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~x2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:50:01,508 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:50:01,508 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~b12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:50:01,508 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:50:01,513 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:50:01,513 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~b21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:50:01,513 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:50:01,513 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:50:01,513 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:50:01,514 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:50:01,514 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~x1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:50:01,526 INFO L148 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-08-07 12:50:01,586 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-08-07 12:50:01,586 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 12:50:01,588 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-08-07 12:50:01,606 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2021-08-07 12:50:01,624 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thr1Thread1of1ForFork1 ======== [2021-08-07 12:50:01,631 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-08-07 12:50:01,632 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-08-07 12:50:01,719 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-07 12:50:01,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 12:50:01,723 INFO L82 PathProgramCache]: Analyzing trace with hash 1670254603, now seen corresponding path program 1 times [2021-08-07 12:50:01,731 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 12:50:01,731 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2144953544] [2021-08-07 12:50:01,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 12:50:01,732 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 12:50:01,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 12:50:01,878 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 12:50:01,879 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 12:50:01,879 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2144953544] [2021-08-07 12:50:01,879 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2144953544] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 12:50:01,880 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 12:50:01,880 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-07 12:50:01,881 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [325159586] [2021-08-07 12:50:01,886 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-08-07 12:50:01,886 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 12:50:01,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-08-07 12:50:01,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-07 12:50:01,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:50:01,899 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 12:50:01,900 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 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) [2021-08-07 12:50:01,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:50:02,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:50:02,052 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-07 12:50:02,052 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-07 12:50:02,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 12:50:02,053 INFO L82 PathProgramCache]: Analyzing trace with hash -1344627907, now seen corresponding path program 1 times [2021-08-07 12:50:02,053 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 12:50:02,053 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [925338053] [2021-08-07 12:50:02,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 12:50:02,053 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 12:50:02,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 12:50:02,250 INFO L134 CoverageAnalysis]: Checked inductivity of 1058 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 978 trivial. 0 not checked. [2021-08-07 12:50:02,250 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 12:50:02,250 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [925338053] [2021-08-07 12:50:02,250 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [925338053] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 12:50:02,250 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 12:50:02,251 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-07 12:50:02,251 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1007626444] [2021-08-07 12:50:02,252 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-07 12:50:02,252 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 12:50:02,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-07 12:50:02,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-07 12:50:02,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:50:02,253 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 12:50:02,254 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 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) [2021-08-07 12:50:02,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:50:02,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:50:02,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:50:02,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:50:02,357 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-07 12:50:02,358 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-07 12:50:02,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 12:50:02,366 INFO L82 PathProgramCache]: Analyzing trace with hash -796376266, now seen corresponding path program 2 times [2021-08-07 12:50:02,366 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 12:50:02,366 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [12573992] [2021-08-07 12:50:02,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 12:50:02,367 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 12:50:02,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 12:50:02,469 INFO L134 CoverageAnalysis]: Checked inductivity of 1195 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 1095 trivial. 0 not checked. [2021-08-07 12:50:02,469 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 12:50:02,469 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [12573992] [2021-08-07 12:50:02,470 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [12573992] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 12:50:02,470 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 12:50:02,470 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-07 12:50:02,470 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2083405985] [2021-08-07 12:50:02,471 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-07 12:50:02,471 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 12:50:02,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-07 12:50:02,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-07 12:50:02,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:50:02,472 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 12:50:02,472 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 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) [2021-08-07 12:50:02,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:50:02,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:50:02,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:50:02,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:50:02,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:50:02,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-07 12:50:02,484 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-07 12:50:02,485 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-07 12:50:02,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 12:50:02,485 INFO L82 PathProgramCache]: Analyzing trace with hash 905942179, now seen corresponding path program 1 times [2021-08-07 12:50:02,485 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 12:50:02,485 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [762980134] [2021-08-07 12:50:02,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 12:50:02,486 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 12:50:02,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 12:50:02,553 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 12:50:02,554 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 12:50:02,554 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [762980134] [2021-08-07 12:50:02,554 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [762980134] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 12:50:02,554 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 12:50:02,554 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-07 12:50:02,554 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1582727043] [2021-08-07 12:50:02,555 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-07 12:50:02,555 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 12:50:02,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-07 12:50:02,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-07 12:50:02,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:50:02,556 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 12:50:02,556 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 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) [2021-08-07 12:50:02,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:50:02,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:50:02,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-07 12:50:02,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:50:02,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:50:02,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:50:02,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:50:02,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 12:50:02,636 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-07 12:50:02,637 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-07 12:50:02,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 12:50:02,638 INFO L82 PathProgramCache]: Analyzing trace with hash 947610020, now seen corresponding path program 1 times [2021-08-07 12:50:02,638 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 12:50:02,642 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1778714947] [2021-08-07 12:50:02,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 12:50:02,642 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 12:50:02,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 12:50:02,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 12:50:02,705 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 12:50:02,706 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1778714947] [2021-08-07 12:50:02,706 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1778714947] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 12:50:02,706 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 12:50:02,706 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-07 12:50:02,706 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1136758641] [2021-08-07 12:50:02,707 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-07 12:50:02,707 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 12:50:02,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-07 12:50:02,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-07 12:50:02,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:50:02,707 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 12:50:02,708 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 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) [2021-08-07 12:50:02,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:50:02,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:50:02,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:50:02,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 12:50:02,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:50:02,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:50:02,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:50:02,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:50:02,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 12:50:02,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-07 12:50:02,834 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-08-07 12:50:02,834 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-07 12:50:02,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 12:50:02,835 INFO L82 PathProgramCache]: Analyzing trace with hash -299478798, now seen corresponding path program 1 times [2021-08-07 12:50:02,835 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 12:50:02,835 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2143041519] [2021-08-07 12:50:02,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 12:50:02,836 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 12:50:02,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 12:50:02,879 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2021-08-07 12:50:02,879 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 12:50:02,879 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2143041519] [2021-08-07 12:50:02,879 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2143041519] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 12:50:02,880 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 12:50:02,880 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-07 12:50:02,880 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2101986206] [2021-08-07 12:50:02,880 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-07 12:50:02,880 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 12:50:02,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-07 12:50:02,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-07 12:50:02,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:50:02,881 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 12:50:02,881 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.0) internal successors, (76), 4 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 12:50:02,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:50:02,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:50:02,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:50:02,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 12:50:02,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-07 12:50:02,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:50:02,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:50:02,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:50:02,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:50:02,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 12:50:02,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-07 12:50:02,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:50:02,955 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-08-07 12:50:02,955 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-07 12:50:02,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 12:50:02,956 INFO L82 PathProgramCache]: Analyzing trace with hash -408461761, now seen corresponding path program 1 times [2021-08-07 12:50:02,956 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 12:50:02,956 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1948395996] [2021-08-07 12:50:02,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 12:50:02,956 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 12:50:02,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 12:50:03,005 INFO L134 CoverageAnalysis]: Checked inductivity of 824 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 728 trivial. 0 not checked. [2021-08-07 12:50:03,005 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 12:50:03,005 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1948395996] [2021-08-07 12:50:03,006 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1948395996] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 12:50:03,006 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 12:50:03,006 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-07 12:50:03,006 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [470228828] [2021-08-07 12:50:03,006 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-07 12:50:03,006 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 12:50:03,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-07 12:50:03,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-07 12:50:03,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:50:03,007 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 12:50:03,007 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.0) internal successors, (92), 4 states have internal predecessors, (92), 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) [2021-08-07 12:50:03,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:50:03,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:50:03,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:50:03,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 12:50:03,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-07 12:50:03,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:50:03,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:50:03,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:50:03,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:50:03,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:50:03,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 12:50:03,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-07 12:50:03,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:50:03,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:50:03,047 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-08-07 12:50:03,048 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-07 12:50:03,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 12:50:03,048 INFO L82 PathProgramCache]: Analyzing trace with hash -1097316211, now seen corresponding path program 1 times [2021-08-07 12:50:03,048 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 12:50:03,048 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1899423181] [2021-08-07 12:50:03,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 12:50:03,049 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 12:50:03,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 12:50:03,081 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 12:50:03,082 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 12:50:03,082 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1899423181] [2021-08-07 12:50:03,082 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1899423181] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 12:50:03,082 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 12:50:03,082 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-07 12:50:03,082 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1007462393] [2021-08-07 12:50:03,082 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-07 12:50:03,083 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 12:50:03,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-07 12:50:03,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-07 12:50:03,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:50:03,083 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 12:50:03,083 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 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) [2021-08-07 12:50:03,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:50:03,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:50:03,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:50:03,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 12:50:03,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-07 12:50:03,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:50:03,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:50:03,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:50:03,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:50:03,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:50:03,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:50:03,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 12:50:03,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-07 12:50:03,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:50:03,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:50:03,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:50:03,134 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-08-07 12:50:03,134 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-07 12:50:03,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 12:50:03,134 INFO L82 PathProgramCache]: Analyzing trace with hash -1792096473, now seen corresponding path program 1 times [2021-08-07 12:50:03,134 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 12:50:03,134 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [48076826] [2021-08-07 12:50:03,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 12:50:03,135 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 12:50:03,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 12:50:03,173 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-08-07 12:50:03,173 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 12:50:03,173 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [48076826] [2021-08-07 12:50:03,173 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [48076826] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 12:50:03,173 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 12:50:03,173 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-07 12:50:03,173 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2107871016] [2021-08-07 12:50:03,174 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-07 12:50:03,174 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 12:50:03,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-07 12:50:03,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-07 12:50:03,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:50:03,174 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 12:50:03,175 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 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) [2021-08-07 12:50:03,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:50:03,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:50:03,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:50:03,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 12:50:03,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-07 12:50:03,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:50:03,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:50:03,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:50:03,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:50:03,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:50:03,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:50:03,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:50:03,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 12:50:03,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-07 12:50:03,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:50:03,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:50:03,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:50:03,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-07 12:50:03,296 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-08-07 12:50:03,296 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-07 12:50:03,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 12:50:03,296 INFO L82 PathProgramCache]: Analyzing trace with hash 597556915, now seen corresponding path program 1 times [2021-08-07 12:50:03,297 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 12:50:03,297 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1135265344] [2021-08-07 12:50:03,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 12:50:03,297 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 12:50:03,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 12:50:03,349 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 12:50:03,349 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 12:50:03,349 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1135265344] [2021-08-07 12:50:03,349 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1135265344] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 12:50:03,349 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 12:50:03,349 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-07 12:50:03,350 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1362282610] [2021-08-07 12:50:03,350 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-07 12:50:03,350 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 12:50:03,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-07 12:50:03,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-07 12:50:03,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:50:03,351 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 12:50:03,351 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 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) [2021-08-07 12:50:03,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:50:03,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:50:03,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:50:03,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 12:50:03,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-07 12:50:03,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:50:03,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:50:03,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:50:03,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-07 12:50:03,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:50:03,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:50:03,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:50:03,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:50:03,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 12:50:03,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-07 12:50:03,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:50:03,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:50:03,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:50:03,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-07 12:50:03,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-07 12:50:03,366 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-08-07 12:50:03,367 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-07 12:50:03,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 12:50:03,367 INFO L82 PathProgramCache]: Analyzing trace with hash 352693807, now seen corresponding path program 2 times [2021-08-07 12:50:03,367 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 12:50:03,367 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1206003390] [2021-08-07 12:50:03,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 12:50:03,367 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 12:50:03,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 12:50:03,410 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 12:50:03,411 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 12:50:03,411 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1206003390] [2021-08-07 12:50:03,411 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1206003390] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 12:50:03,411 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 12:50:03,411 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-07 12:50:03,411 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2006447837] [2021-08-07 12:50:03,412 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-07 12:50:03,412 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 12:50:03,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-07 12:50:03,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-07 12:50:03,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:50:03,415 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 12:50:03,415 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 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) [2021-08-07 12:50:03,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:50:03,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:50:03,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:50:03,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 12:50:03,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-07 12:50:03,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:50:03,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:50:03,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:50:03,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-07 12:50:03,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-07 12:50:03,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:50:03,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:50:03,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:50:03,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:50:03,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 12:50:03,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-07 12:50:03,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:50:03,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:50:03,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:50:03,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-07 12:50:03,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:50:03,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:50:03,506 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-07 12:50:03,506 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-08-07 12:50:03,511 INFO L308 ceAbstractionStarter]: Result for error location thr1Thread1of1ForFork1 was SAFE (1/3) [2021-08-07 12:50:03,514 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-08-07 12:50:03,515 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 12:50:03,535 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-08-07 12:50:03,535 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process [2021-08-07 12:50:03,538 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-08-07 12:50:03,538 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-08-07 12:50:03,539 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-08-07 12:50:03,633 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-08-07 12:50:03,633 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION [2021-08-07 12:50:03,635 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE,SAFE (2/3) [2021-08-07 12:50:03,637 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-08-07 12:50:03,637 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 12:50:03,641 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-08-07 12:50:03,643 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Waiting until timeout for monitored process [2021-08-07 12:50:03,644 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thr2Thread1of1ForFork0 ======== [2021-08-07 12:50:03,645 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-08-07 12:50:03,645 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-08-07 12:50:03,679 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting thr2Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-07 12:50:03,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 12:50:03,679 INFO L82 PathProgramCache]: Analyzing trace with hash 1915956085, now seen corresponding path program 1 times [2021-08-07 12:50:03,679 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 12:50:03,679 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [513314404] [2021-08-07 12:50:03,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 12:50:03,680 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 12:50:03,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 12:50:03,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 12:50:03,695 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 12:50:03,696 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [513314404] [2021-08-07 12:50:03,696 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [513314404] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 12:50:03,696 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 12:50:03,696 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-07 12:50:03,696 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1811140272] [2021-08-07 12:50:03,696 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-08-07 12:50:03,696 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 12:50:03,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-08-07 12:50:03,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-07 12:50:03,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:50:03,697 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 12:50:03,697 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 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) [2021-08-07 12:50:03,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:50:03,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:50:03,759 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-08-07 12:50:03,759 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting thr2Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-07 12:50:03,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 12:50:03,759 INFO L82 PathProgramCache]: Analyzing trace with hash 2124158836, now seen corresponding path program 1 times [2021-08-07 12:50:03,760 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 12:50:03,760 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1405937229] [2021-08-07 12:50:03,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 12:50:03,760 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 12:50:03,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 12:50:03,812 INFO L134 CoverageAnalysis]: Checked inductivity of 278 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 273 trivial. 0 not checked. [2021-08-07 12:50:03,813 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 12:50:03,813 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1405937229] [2021-08-07 12:50:03,813 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1405937229] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 12:50:03,813 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 12:50:03,813 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-07 12:50:03,813 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953678238] [2021-08-07 12:50:03,813 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-07 12:50:03,813 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 12:50:03,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-07 12:50:03,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-07 12:50:03,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:50:03,814 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 12:50:03,814 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 4 states have internal predecessors, (72), 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) [2021-08-07 12:50:03,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:50:03,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:50:03,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:50:03,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:50:03,855 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-08-07 12:50:03,856 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting thr2Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-07 12:50:03,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 12:50:03,856 INFO L82 PathProgramCache]: Analyzing trace with hash 2084935037, now seen corresponding path program 1 times [2021-08-07 12:50:03,856 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 12:50:03,856 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1703839465] [2021-08-07 12:50:03,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 12:50:03,857 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 12:50:03,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 12:50:03,893 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 278 trivial. 0 not checked. [2021-08-07 12:50:03,894 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 12:50:03,894 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1703839465] [2021-08-07 12:50:03,894 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1703839465] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 12:50:03,894 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 12:50:03,894 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-07 12:50:03,894 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [512109813] [2021-08-07 12:50:03,895 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-07 12:50:03,895 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 12:50:03,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-07 12:50:03,896 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-07 12:50:03,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:50:03,896 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 12:50:03,896 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 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) [2021-08-07 12:50:03,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:50:03,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:50:03,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:50:03,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:50:03,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:50:03,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:50:03,912 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-08-07 12:50:03,912 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting thr2Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-07 12:50:03,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 12:50:03,913 INFO L82 PathProgramCache]: Analyzing trace with hash 1542646125, now seen corresponding path program 1 times [2021-08-07 12:50:03,913 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 12:50:03,913 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2035243198] [2021-08-07 12:50:03,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 12:50:03,913 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 12:50:03,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 12:50:03,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 12:50:03,970 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 12:50:03,970 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2035243198] [2021-08-07 12:50:03,970 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2035243198] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 12:50:03,970 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 12:50:03,970 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-07 12:50:03,970 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1331719183] [2021-08-07 12:50:03,971 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-07 12:50:03,971 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 12:50:03,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-07 12:50:03,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-07 12:50:03,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:50:03,971 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 12:50:03,971 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 12:50:03,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:50:03,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:50:03,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:50:03,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:50:03,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:50:03,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:50:03,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:50:03,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 12:50:03,997 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-08-07 12:50:03,997 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting thr2Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-07 12:50:03,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 12:50:03,997 INFO L82 PathProgramCache]: Analyzing trace with hash 1852031154, now seen corresponding path program 1 times [2021-08-07 12:50:03,998 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 12:50:03,998 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1334818073] [2021-08-07 12:50:03,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 12:50:03,998 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 12:50:04,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 12:50:04,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 12:50:04,034 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 12:50:04,034 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1334818073] [2021-08-07 12:50:04,036 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1334818073] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 12:50:04,036 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 12:50:04,036 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-07 12:50:04,037 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [316540666] [2021-08-07 12:50:04,037 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-07 12:50:04,037 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 12:50:04,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-07 12:50:04,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-07 12:50:04,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:50:04,037 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 12:50:04,038 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 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) [2021-08-07 12:50:04,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:50:04,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:50:04,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:50:04,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 12:50:04,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:50:04,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:50:04,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:50:04,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:50:04,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 12:50:04,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-07 12:50:04,053 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-08-07 12:50:04,053 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting thr2Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-07 12:50:04,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 12:50:04,054 INFO L82 PathProgramCache]: Analyzing trace with hash 2082949631, now seen corresponding path program 1 times [2021-08-07 12:50:04,054 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 12:50:04,054 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [498388420] [2021-08-07 12:50:04,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 12:50:04,054 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 12:50:04,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 12:50:04,084 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 12:50:04,084 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 12:50:04,084 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [498388420] [2021-08-07 12:50:04,084 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [498388420] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 12:50:04,084 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 12:50:04,084 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-07 12:50:04,085 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759897838] [2021-08-07 12:50:04,085 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-07 12:50:04,085 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 12:50:04,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-07 12:50:04,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-07 12:50:04,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:50:04,085 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 12:50:04,086 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 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) [2021-08-07 12:50:04,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:50:04,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:50:04,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:50:04,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 12:50:04,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-07 12:50:04,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:50:04,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:50:04,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:50:04,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:50:04,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 12:50:04,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-07 12:50:04,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 12:50:04,125 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-08-07 12:50:04,125 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting thr2Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-07 12:50:04,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 12:50:04,125 INFO L82 PathProgramCache]: Analyzing trace with hash 1463495171, now seen corresponding path program 1 times [2021-08-07 12:50:04,125 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 12:50:04,126 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [475959490] [2021-08-07 12:50:04,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 12:50:04,126 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 12:50:04,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 12:50:04,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 12:50:04,168 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 12:50:04,168 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [475959490] [2021-08-07 12:50:04,168 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [475959490] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 12:50:04,168 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 12:50:04,168 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-07 12:50:04,169 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [236724807] [2021-08-07 12:50:04,169 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-07 12:50:04,169 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 12:50:04,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-07 12:50:04,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-07 12:50:04,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:50:04,170 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 12:50:04,170 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 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) [2021-08-07 12:50:04,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:50:04,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:50:04,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:50:04,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 12:50:04,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-07 12:50:04,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 12:50:04,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:50:04,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:50:04,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:50:04,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:50:04,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 12:50:04,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:50:04,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 12:50:04,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:50:04,294 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-08-07 12:50:04,294 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting thr2Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-07 12:50:04,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 12:50:04,294 INFO L82 PathProgramCache]: Analyzing trace with hash 646681868, now seen corresponding path program 1 times [2021-08-07 12:50:04,294 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 12:50:04,294 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [962617852] [2021-08-07 12:50:04,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 12:50:04,294 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 12:50:04,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 12:50:04,341 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 12:50:04,341 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 12:50:04,342 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [962617852] [2021-08-07 12:50:04,342 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [962617852] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 12:50:04,342 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 12:50:04,342 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-07 12:50:04,342 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748442606] [2021-08-07 12:50:04,342 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-07 12:50:04,342 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 12:50:04,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-07 12:50:04,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-07 12:50:04,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:50:04,343 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 12:50:04,343 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 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) [2021-08-07 12:50:04,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:50:04,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:50:04,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:50:04,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 12:50:04,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:50:04,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 12:50:04,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:50:04,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:50:04,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:50:04,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:50:04,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:50:04,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 12:50:04,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:50:04,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 12:50:04,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:50:04,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-07 12:50:04,356 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-08-07 12:50:04,356 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting thr2Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-07 12:50:04,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 12:50:04,357 INFO L82 PathProgramCache]: Analyzing trace with hash -1892663647, now seen corresponding path program 2 times [2021-08-07 12:50:04,357 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 12:50:04,357 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [172692369] [2021-08-07 12:50:04,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 12:50:04,357 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 12:50:04,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 12:50:04,385 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 12:50:04,386 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 12:50:04,386 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [172692369] [2021-08-07 12:50:04,386 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [172692369] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 12:50:04,386 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 12:50:04,386 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-07 12:50:04,386 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [485708797] [2021-08-07 12:50:04,387 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-07 12:50:04,387 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 12:50:04,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-07 12:50:04,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-07 12:50:04,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:50:04,387 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 12:50:04,387 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 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) [2021-08-07 12:50:04,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:50:04,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:50:04,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:50:04,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 12:50:04,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:50:04,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 12:50:04,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:50:04,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-07 12:50:04,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:50:04,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:50:04,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:50:04,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:50:04,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 12:50:04,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:50:04,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 12:50:04,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:50:04,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-07 12:50:04,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-07 12:50:04,424 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-08-07 12:50:04,424 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting thr2Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-07 12:50:04,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 12:50:04,425 INFO L82 PathProgramCache]: Analyzing trace with hash -400593291, now seen corresponding path program 1 times [2021-08-07 12:50:04,425 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 12:50:04,425 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1056783127] [2021-08-07 12:50:04,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 12:50:04,425 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 12:50:04,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 12:50:04,470 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 12:50:04,471 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 12:50:04,471 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1056783127] [2021-08-07 12:50:04,471 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1056783127] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 12:50:04,471 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 12:50:04,471 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-07 12:50:04,471 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [448250669] [2021-08-07 12:50:04,471 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-07 12:50:04,471 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 12:50:04,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-07 12:50:04,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-07 12:50:04,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:50:04,472 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 12:50:04,472 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 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) [2021-08-07 12:50:04,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:50:04,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:50:04,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:50:04,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 12:50:04,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:50:04,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 12:50:04,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:50:04,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-07 12:50:04,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-07 12:50:04,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:50:04,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:50:04,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:50:04,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:50:04,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 12:50:04,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:50:04,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 12:50:04,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:50:04,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-07 12:50:04,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-07 12:50:04,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-07 12:50:04,623 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-08-07 12:50:04,623 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting thr2Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-07 12:50:04,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 12:50:04,624 INFO L82 PathProgramCache]: Analyzing trace with hash 927008080, now seen corresponding path program 1 times [2021-08-07 12:50:04,624 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 12:50:04,624 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [980338831] [2021-08-07 12:50:04,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 12:50:04,624 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 12:50:04,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 12:50:04,652 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 12:50:04,653 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 12:50:04,653 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [980338831] [2021-08-07 12:50:04,653 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [980338831] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 12:50:04,653 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 12:50:04,653 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-07 12:50:04,653 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1632925583] [2021-08-07 12:50:04,653 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-07 12:50:04,653 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 12:50:04,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-07 12:50:04,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-07 12:50:04,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:50:04,654 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 12:50:04,654 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 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) [2021-08-07 12:50:04,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:50:04,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:50:04,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:50:04,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 12:50:04,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:50:04,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 12:50:04,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:50:04,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-07 12:50:04,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-07 12:50:04,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-07 12:50:04,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:50:04,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:50:04,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:50:04,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:50:04,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 12:50:04,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:50:04,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 12:50:04,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:50:04,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-07 12:50:04,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-07 12:50:04,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-07 12:50:04,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:50:04,687 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-08-07 12:50:04,687 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting thr2Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-07 12:50:04,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 12:50:04,688 INFO L82 PathProgramCache]: Analyzing trace with hash 1269255683, now seen corresponding path program 3 times [2021-08-07 12:50:04,688 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 12:50:04,688 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1862276038] [2021-08-07 12:50:04,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 12:50:04,688 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 12:50:04,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 12:50:04,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 12:50:04,719 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 12:50:04,719 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1862276038] [2021-08-07 12:50:04,719 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1862276038] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 12:50:04,719 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 12:50:04,720 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-07 12:50:04,721 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1568579432] [2021-08-07 12:50:04,721 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-07 12:50:04,721 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 12:50:04,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-07 12:50:04,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-07 12:50:04,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:50:04,721 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 12:50:04,722 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 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) [2021-08-07 12:50:04,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:50:04,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:50:04,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:50:04,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 12:50:04,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:50:04,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 12:50:04,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:50:04,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-07 12:50:04,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-07 12:50:04,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-07 12:50:04,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:50:04,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:50:04,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:50:04,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:50:04,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:50:04,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 12:50:04,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:50:04,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 12:50:04,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:50:04,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-07 12:50:04,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-07 12:50:04,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-07 12:50:04,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:50:04,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-07 12:50:04,765 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thr2Err0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-07 12:50:04,765 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-08-07 12:50:04,766 INFO L308 ceAbstractionStarter]: Result for error location thr2Thread1of1ForFork0 was SAFE (3/3) [2021-08-07 12:50:04,767 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-08-07 12:50:04,767 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-07 12:50:04,769 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.08 12:50:04 BasicIcfg [2021-08-07 12:50:04,769 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-07 12:50:04,770 INFO L168 Benchmark]: Toolchain (without parser) took 4482.50 ms. Allocated memory was 192.9 MB in the beginning and 231.7 MB in the end (delta: 38.8 MB). Free memory was 157.0 MB in the beginning and 134.0 MB in the end (delta: 22.9 MB). Peak memory consumption was 63.3 MB. Max. memory is 8.0 GB. [2021-08-07 12:50:04,770 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 192.9 MB. Free memory is still 175.3 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-08-07 12:50:04,770 INFO L168 Benchmark]: CACSL2BoogieTranslator took 466.86 ms. Allocated memory is still 192.9 MB. Free memory was 156.7 MB in the beginning and 166.5 MB in the end (delta: -9.7 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. [2021-08-07 12:50:04,770 INFO L168 Benchmark]: Boogie Procedure Inliner took 60.08 ms. Allocated memory is still 192.9 MB. Free memory was 166.5 MB in the beginning and 164.6 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-08-07 12:50:04,770 INFO L168 Benchmark]: Boogie Preprocessor took 36.72 ms. Allocated memory is still 192.9 MB. Free memory was 164.6 MB in the beginning and 162.9 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-08-07 12:50:04,771 INFO L168 Benchmark]: RCFGBuilder took 557.85 ms. Allocated memory is still 192.9 MB. Free memory was 162.9 MB in the beginning and 135.0 MB in the end (delta: 27.9 MB). Peak memory consumption was 27.3 MB. Max. memory is 8.0 GB. [2021-08-07 12:50:04,771 INFO L168 Benchmark]: TraceAbstraction took 3352.50 ms. Allocated memory was 192.9 MB in the beginning and 231.7 MB in the end (delta: 38.8 MB). Free memory was 134.6 MB in the beginning and 134.0 MB in the end (delta: 602.3 kB). Peak memory consumption was 40.3 MB. Max. memory is 8.0 GB. [2021-08-07 12:50:04,771 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 192.9 MB. Free memory is still 175.3 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 466.86 ms. Allocated memory is still 192.9 MB. Free memory was 156.7 MB in the beginning and 166.5 MB in the end (delta: -9.7 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 60.08 ms. Allocated memory is still 192.9 MB. Free memory was 166.5 MB in the beginning and 164.6 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 36.72 ms. Allocated memory is still 192.9 MB. Free memory was 164.6 MB in the beginning and 162.9 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 557.85 ms. Allocated memory is still 192.9 MB. Free memory was 162.9 MB in the beginning and 135.0 MB in the end (delta: 27.9 MB). Peak memory consumption was 27.3 MB. Max. memory is 8.0 GB. * TraceAbstraction took 3352.50 ms. Allocated memory was 192.9 MB in the beginning and 231.7 MB in the end (delta: 38.8 MB). Free memory was 134.6 MB in the beginning and 134.0 MB in the end (delta: 602.3 kB). Peak memory consumption was 40.3 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 8582, positive: 8501, positive conditional: 0, positive unconditional: 8501, negative: 81, negative conditional: 0, negative unconditional: 81, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8582, positive: 8501, positive conditional: 0, positive unconditional: 8501, negative: 81, negative conditional: 0, negative unconditional: 81, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 8582, positive: 8501, positive conditional: 0, positive unconditional: 8501, negative: 81, negative conditional: 0, negative unconditional: 81, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8582, positive: 8501, positive conditional: 0, positive unconditional: 8501, negative: 81, negative conditional: 0, negative unconditional: 81, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 8582, positive: 8501, positive conditional: 0, positive unconditional: 8501, negative: 81, negative conditional: 0, negative unconditional: 81, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 8582, positive: 8501, positive conditional: 0, positive unconditional: 8501, negative: 81, negative conditional: 0, negative unconditional: 81, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5236, positive: 5155, positive conditional: 0, positive unconditional: 5155, negative: 81, negative conditional: 0, negative unconditional: 81, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5236, positive: 5153, positive conditional: 0, positive unconditional: 5153, negative: 83, negative conditional: 0, negative unconditional: 83, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 83, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 81, negative conditional: 0, negative unconditional: 81, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 120, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 118, negative conditional: 0, negative unconditional: 118, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 8582, positive: 3346, positive conditional: 0, positive unconditional: 3346, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 5236, unknown conditional: 0, unknown unconditional: 5236] , Statistics on independence cache: Total cache size (in pairs): 5236, Positive cache size: 5155, Positive conditional cache size: 0, Positive unconditional cache size: 5155, Negative cache size: 81, Negative conditional cache size: 0, Negative unconditional cache size: 81, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 242, Number of persistent set computation: 660, Number of trivial persistent sets: 88, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8582, positive: 8501, positive conditional: 0, positive unconditional: 8501, negative: 81, negative conditional: 0, negative unconditional: 81, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 8582, positive: 8501, positive conditional: 0, positive unconditional: 8501, negative: 81, negative conditional: 0, negative unconditional: 81, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8582, positive: 8501, positive conditional: 0, positive unconditional: 8501, negative: 81, negative conditional: 0, negative unconditional: 81, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 8582, positive: 8501, positive conditional: 0, positive unconditional: 8501, negative: 81, negative conditional: 0, negative unconditional: 81, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8582, positive: 8501, positive conditional: 0, positive unconditional: 8501, negative: 81, negative conditional: 0, negative unconditional: 81, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 8582, positive: 8501, positive conditional: 0, positive unconditional: 8501, negative: 81, negative conditional: 0, negative unconditional: 81, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 8582, positive: 8501, positive conditional: 0, positive unconditional: 8501, negative: 81, negative conditional: 0, negative unconditional: 81, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5236, positive: 5155, positive conditional: 0, positive unconditional: 5155, negative: 81, negative conditional: 0, negative unconditional: 81, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5236, positive: 5153, positive conditional: 0, positive unconditional: 5153, negative: 83, negative conditional: 0, negative unconditional: 83, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 83, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 81, negative conditional: 0, negative unconditional: 81, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 120, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 118, negative conditional: 0, negative unconditional: 118, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 8582, positive: 3346, positive conditional: 0, positive unconditional: 3346, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 5236, unknown conditional: 0, unknown unconditional: 5236] , Statistics on independence cache: Total cache size (in pairs): 5236, Positive cache size: 5155, Positive conditional cache size: 0, Positive unconditional cache size: 5155, Negative cache size: 81, Negative conditional cache size: 0, Negative unconditional cache size: 81, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3190, positive: 3171, positive conditional: 0, positive unconditional: 3171, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3190, positive: 3171, positive conditional: 0, positive unconditional: 3171, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 3190, positive: 3171, positive conditional: 0, positive unconditional: 3171, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3190, positive: 3171, positive conditional: 0, positive unconditional: 3171, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 3190, positive: 3171, positive conditional: 0, positive unconditional: 3171, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3190, positive: 3171, positive conditional: 0, positive unconditional: 3171, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2830, positive: 2811, positive conditional: 0, positive unconditional: 2811, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2830, positive: 2810, positive conditional: 0, positive unconditional: 2810, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 20, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 56, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 55, negative conditional: 0, negative unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3190, positive: 360, positive conditional: 0, positive unconditional: 360, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 2830, unknown conditional: 0, unknown unconditional: 2830] , Statistics on independence cache: Total cache size (in pairs): 2830, Positive cache size: 2811, Positive conditional cache size: 0, Positive unconditional cache size: 2811, Negative cache size: 19, Negative conditional cache size: 0, Negative unconditional cache size: 19, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 79, Number of persistent set computation: 212, Number of trivial persistent sets: 212, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3190, positive: 3171, positive conditional: 0, positive unconditional: 3171, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3190, positive: 3171, positive conditional: 0, positive unconditional: 3171, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3190, positive: 3171, positive conditional: 0, positive unconditional: 3171, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 3190, positive: 3171, positive conditional: 0, positive unconditional: 3171, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3190, positive: 3171, positive conditional: 0, positive unconditional: 3171, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 3190, positive: 3171, positive conditional: 0, positive unconditional: 3171, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3190, positive: 3171, positive conditional: 0, positive unconditional: 3171, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2830, positive: 2811, positive conditional: 0, positive unconditional: 2811, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2830, positive: 2810, positive conditional: 0, positive unconditional: 2810, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 20, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 56, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 55, negative conditional: 0, negative unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3190, positive: 360, positive conditional: 0, positive unconditional: 360, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 2830, unknown conditional: 0, unknown unconditional: 2830] , Statistics on independence cache: Total cache size (in pairs): 2830, Positive cache size: 2811, Positive conditional cache size: 0, Positive unconditional cache size: 2811, Negative cache size: 19, Negative conditional cache size: 0, Negative unconditional cache size: 19, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 7872, positive: 7791, positive conditional: 0, positive unconditional: 7791, negative: 81, negative conditional: 0, negative unconditional: 81, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7872, positive: 7791, positive conditional: 0, positive unconditional: 7791, negative: 81, negative conditional: 0, negative unconditional: 81, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 7872, positive: 7791, positive conditional: 0, positive unconditional: 7791, negative: 81, negative conditional: 0, negative unconditional: 81, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7872, positive: 7791, positive conditional: 0, positive unconditional: 7791, negative: 81, negative conditional: 0, negative unconditional: 81, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 7872, positive: 7791, positive conditional: 0, positive unconditional: 7791, negative: 81, negative conditional: 0, negative unconditional: 81, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 7872, positive: 7791, positive conditional: 0, positive unconditional: 7791, negative: 81, negative conditional: 0, negative unconditional: 81, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5364, positive: 5283, positive conditional: 0, positive unconditional: 5283, negative: 81, negative conditional: 0, negative unconditional: 81, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5364, positive: 5280, positive conditional: 0, positive unconditional: 5280, negative: 84, negative conditional: 0, negative unconditional: 84, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 84, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 81, negative conditional: 0, negative unconditional: 81, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 105, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 101, negative conditional: 0, negative unconditional: 101, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 7872, positive: 2508, positive conditional: 0, positive unconditional: 2508, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 5364, unknown conditional: 0, unknown unconditional: 5364] , Statistics on independence cache: Total cache size (in pairs): 5364, Positive cache size: 5283, Positive conditional cache size: 0, Positive unconditional cache size: 5283, Negative cache size: 81, Negative conditional cache size: 0, Negative unconditional cache size: 81, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 163, Number of persistent set computation: 723, Number of trivial persistent sets: 135, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7872, positive: 7791, positive conditional: 0, positive unconditional: 7791, negative: 81, negative conditional: 0, negative unconditional: 81, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 7872, positive: 7791, positive conditional: 0, positive unconditional: 7791, negative: 81, negative conditional: 0, negative unconditional: 81, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7872, positive: 7791, positive conditional: 0, positive unconditional: 7791, negative: 81, negative conditional: 0, negative unconditional: 81, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 7872, positive: 7791, positive conditional: 0, positive unconditional: 7791, negative: 81, negative conditional: 0, negative unconditional: 81, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7872, positive: 7791, positive conditional: 0, positive unconditional: 7791, negative: 81, negative conditional: 0, negative unconditional: 81, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 7872, positive: 7791, positive conditional: 0, positive unconditional: 7791, negative: 81, negative conditional: 0, negative unconditional: 81, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 7872, positive: 7791, positive conditional: 0, positive unconditional: 7791, negative: 81, negative conditional: 0, negative unconditional: 81, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5364, positive: 5283, positive conditional: 0, positive unconditional: 5283, negative: 81, negative conditional: 0, negative unconditional: 81, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5364, positive: 5280, positive conditional: 0, positive unconditional: 5280, negative: 84, negative conditional: 0, negative unconditional: 84, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 84, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 81, negative conditional: 0, negative unconditional: 81, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 105, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 101, negative conditional: 0, negative unconditional: 101, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 7872, positive: 2508, positive conditional: 0, positive unconditional: 2508, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 5364, unknown conditional: 0, unknown unconditional: 5364] , Statistics on independence cache: Total cache size (in pairs): 5364, Positive cache size: 5283, Positive conditional cache size: 0, Positive unconditional cache size: 5283, Negative cache size: 81, Negative conditional cache size: 0, Negative unconditional cache size: 81, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 764]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 834]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: thr1Thread1of1ForFork1 with 1 thread instances CFG has 5 procedures, 172 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 1929.1ms, OverallIterations: 11, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 16.5ms, PartialOrderReductionTime: 928.2ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 51, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 31.0ms SsaConstructionTime, 103.1ms SatisfiabilityAnalysisTime, 584.7ms InterpolantComputationTime, 1151 NumberOfCodeBlocks, 1151 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1140 ConstructedInterpolants, 0 QuantifiedInterpolants, 1351 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 3267/3267 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 - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 172 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 121.0ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1.6ms, PartialOrderReductionTime: 92.1ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: thr2Thread1of1ForFork0 with 1 thread instances CFG has 5 procedures, 172 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 1129.8ms, OverallIterations: 12, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1.5ms, PartialOrderReductionTime: 624.1ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 51, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 23.5ms SsaConstructionTime, 55.5ms SatisfiabilityAnalysisTime, 301.0ms InterpolantComputationTime, 849 NumberOfCodeBlocks, 849 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 837 ConstructedInterpolants, 0 QuantifiedInterpolants, 1022 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 579/579 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! [2021-08-07 12:50:04,808 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Forceful destruction successful, exit code 0 [2021-08-07 12:50:05,021 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Forceful destruction successful, exit code 0 [2021-08-07 12:50:05,220 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2021-08-07 12:50:05,419 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...