/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/rfi000_tso.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.abstract-por-f0ea240 [2022-02-10 21:44:38,490 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-10 21:44:38,492 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-10 21:44:38,535 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-10 21:44:38,536 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-10 21:44:38,538 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-10 21:44:38,541 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-10 21:44:38,546 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-10 21:44:38,548 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-10 21:44:38,552 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-10 21:44:38,553 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-10 21:44:38,553 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-10 21:44:38,554 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-10 21:44:38,554 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-10 21:44:38,555 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-10 21:44:38,555 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-10 21:44:38,556 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-10 21:44:38,556 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-10 21:44:38,557 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-10 21:44:38,558 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-10 21:44:38,559 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-10 21:44:38,562 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-10 21:44:38,562 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-10 21:44:38,563 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-10 21:44:38,564 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-10 21:44:38,565 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-10 21:44:38,565 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-10 21:44:38,565 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-10 21:44:38,565 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-10 21:44:38,566 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-10 21:44:38,566 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-10 21:44:38,566 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-10 21:44:38,567 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-10 21:44:38,567 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-10 21:44:38,568 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-10 21:44:38,568 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-10 21:44:38,568 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-10 21:44:38,569 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-10 21:44:38,569 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-10 21:44:38,569 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-10 21:44:38,570 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-10 21:44:38,572 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf [2022-02-10 21:44:38,596 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-10 21:44:38,596 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-10 21:44:38,597 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-10 21:44:38,597 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-10 21:44:38,597 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-10 21:44:38,597 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-10 21:44:38,598 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-10 21:44:38,598 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-10 21:44:38,598 INFO L138 SettingsManager]: * Use SBE=true [2022-02-10 21:44:38,598 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-10 21:44:38,598 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-10 21:44:38,598 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-10 21:44:38,598 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-10 21:44:38,598 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-10 21:44:38,598 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-10 21:44:38,599 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-10 21:44:38,599 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-10 21:44:38,599 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-10 21:44:38,599 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-10 21:44:38,600 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-10 21:44:38,601 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-10 21:44:38,601 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-10 21:44:38,601 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-10 21:44:38,601 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-10 21:44:38,602 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-10 21:44:38,602 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-10 21:44:38,602 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-10 21:44:38,602 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-10 21:44:38,603 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-10 21:44:38,603 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-10 21:44:38,603 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-10 21:44:38,603 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-10 21:44:38,603 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-10 21:44:38,603 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-10 21:44:38,781 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-10 21:44:38,798 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-10 21:44:38,801 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-10 21:44:38,802 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-10 21:44:38,802 INFO L275 PluginConnector]: CDTParser initialized [2022-02-10 21:44:38,803 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/rfi000_tso.i [2022-02-10 21:44:38,854 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cfef9de36/0d246121bd354617ac7153ee401e0a10/FLAGf2738baf2 [2022-02-10 21:44:39,272 INFO L306 CDTParser]: Found 1 translation units. [2022-02-10 21:44:39,273 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/rfi000_tso.i [2022-02-10 21:44:39,288 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cfef9de36/0d246121bd354617ac7153ee401e0a10/FLAGf2738baf2 [2022-02-10 21:44:39,299 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cfef9de36/0d246121bd354617ac7153ee401e0a10 [2022-02-10 21:44:39,301 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-10 21:44:39,302 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-10 21:44:39,303 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-10 21:44:39,303 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-10 21:44:39,305 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-10 21:44:39,305 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.02 09:44:39" (1/1) ... [2022-02-10 21:44:39,306 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a64fe4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 09:44:39, skipping insertion in model container [2022-02-10 21:44:39,306 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.02 09:44:39" (1/1) ... [2022-02-10 21:44:39,311 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-10 21:44:39,358 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-10 21:44:39,480 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/rfi000_tso.i[944,957] [2022-02-10 21:44:39,620 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-10 21:44:39,631 INFO L203 MainTranslator]: Completed pre-run [2022-02-10 21:44:39,644 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/rfi000_tso.i[944,957] [2022-02-10 21:44:39,711 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-10 21:44:39,743 INFO L208 MainTranslator]: Completed translation [2022-02-10 21:44:39,744 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 09:44:39 WrapperNode [2022-02-10 21:44:39,744 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-10 21:44:39,745 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-10 21:44:39,745 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-10 21:44:39,745 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-10 21:44:39,750 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 09:44:39" (1/1) ... [2022-02-10 21:44:39,779 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 09:44:39" (1/1) ... [2022-02-10 21:44:39,817 INFO L137 Inliner]: procedures = 175, calls = 45, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 464 [2022-02-10 21:44:39,817 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-10 21:44:39,818 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-10 21:44:39,818 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-10 21:44:39,818 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-10 21:44:39,825 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 09:44:39" (1/1) ... [2022-02-10 21:44:39,826 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 09:44:39" (1/1) ... [2022-02-10 21:44:39,837 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 09:44:39" (1/1) ... [2022-02-10 21:44:39,838 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 09:44:39" (1/1) ... [2022-02-10 21:44:39,848 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 09:44:39" (1/1) ... [2022-02-10 21:44:39,851 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 09:44:39" (1/1) ... [2022-02-10 21:44:39,853 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 09:44:39" (1/1) ... [2022-02-10 21:44:39,871 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-10 21:44:39,872 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-10 21:44:39,872 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-10 21:44:39,872 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-10 21:44:39,879 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 09:44:39" (1/1) ... [2022-02-10 21:44:39,884 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-10 21:44:39,892 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-10 21:44:39,903 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-10 21:44:39,922 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-10 21:44:39,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-10 21:44:39,934 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-02-10 21:44:39,934 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-10 21:44:39,934 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-10 21:44:39,934 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-10 21:44:39,934 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-02-10 21:44:39,934 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-02-10 21:44:39,934 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-02-10 21:44:39,934 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-02-10 21:44:39,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-10 21:44:39,934 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-02-10 21:44:39,934 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-10 21:44:39,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-10 21:44:39,936 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-10 21:44:40,074 INFO L234 CfgBuilder]: Building ICFG [2022-02-10 21:44:40,075 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-10 21:44:40,556 INFO L275 CfgBuilder]: Performing block encoding [2022-02-10 21:44:40,957 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-10 21:44:40,958 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-10 21:44:40,960 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.02 09:44:40 BoogieIcfgContainer [2022-02-10 21:44:40,960 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-10 21:44:40,961 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-10 21:44:40,961 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-10 21:44:40,963 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-10 21:44:40,963 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.02 09:44:39" (1/3) ... [2022-02-10 21:44:40,964 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@457807ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.02 09:44:40, skipping insertion in model container [2022-02-10 21:44:40,964 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 09:44:39" (2/3) ... [2022-02-10 21:44:40,964 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@457807ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.02 09:44:40, skipping insertion in model container [2022-02-10 21:44:40,964 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.02 09:44:40" (3/3) ... [2022-02-10 21:44:40,965 INFO L112 eAbstractionObserver]: Analyzing ICFG rfi000_tso.i [2022-02-10 21:44:40,969 WARN L154 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-10 21:44:40,969 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-10 21:44:40,969 INFO L168 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-02-10 21:44:40,969 INFO L538 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-10 21:44:41,013 WARN L322 ript$VariableManager]: TermVariable |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,013 WARN L322 ript$VariableManager]: TermVariable |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,013 WARN L322 ript$VariableManager]: TermVariable P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,013 WARN L322 ript$VariableManager]: TermVariable P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,013 WARN L322 ript$VariableManager]: TermVariable |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,014 WARN L322 ript$VariableManager]: TermVariable |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,014 WARN L322 ript$VariableManager]: TermVariable P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,014 WARN L322 ript$VariableManager]: TermVariable P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,014 WARN L322 ript$VariableManager]: TermVariable |P0Thread1of1ForFork1_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,014 WARN L322 ript$VariableManager]: TermVariable |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,014 WARN L322 ript$VariableManager]: TermVariable |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,014 WARN L322 ript$VariableManager]: TermVariable |P0Thread1of1ForFork1_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,015 WARN L322 ript$VariableManager]: TermVariable |P0Thread1of1ForFork1_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,015 WARN L322 ript$VariableManager]: TermVariable |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,015 WARN L322 ript$VariableManager]: TermVariable |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,015 WARN L322 ript$VariableManager]: TermVariable |P0Thread1of1ForFork1_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,016 WARN L322 ript$VariableManager]: TermVariable |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,016 WARN L322 ript$VariableManager]: TermVariable |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,016 WARN L322 ript$VariableManager]: TermVariable |P0Thread1of1ForFork1_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,016 WARN L322 ript$VariableManager]: TermVariable |P0Thread1of1ForFork1_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,016 WARN L322 ript$VariableManager]: TermVariable |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,016 WARN L322 ript$VariableManager]: TermVariable |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,017 WARN L322 ript$VariableManager]: TermVariable |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,017 WARN L322 ript$VariableManager]: TermVariable |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,017 WARN L322 ript$VariableManager]: TermVariable |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,018 WARN L322 ript$VariableManager]: TermVariable |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,018 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,018 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,018 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,018 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,018 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,019 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,019 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,019 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,019 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,019 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,019 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,019 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,019 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,019 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,020 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,020 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,020 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,020 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,020 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,020 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite25#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,020 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,020 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,021 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,021 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,021 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,021 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,021 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,021 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite23#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,021 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite26#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,021 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,021 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,021 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,022 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite25#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,022 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,022 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite24#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,022 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,022 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,022 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,022 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,023 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,023 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite26#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,023 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,023 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,023 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite27#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,023 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,023 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,023 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,023 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,023 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,023 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,023 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,024 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,024 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite23#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,024 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,028 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,028 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,029 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,029 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite25#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,029 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,029 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,030 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,030 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,030 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,030 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,031 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,033 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite23#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,037 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite26#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,037 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,037 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,037 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,037 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite25#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,037 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,037 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite24#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,037 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,037 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,037 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,037 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,037 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,037 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite26#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,037 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,038 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,038 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite27#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,038 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,038 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,038 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,038 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,038 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,038 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,038 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,038 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,038 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite23#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,038 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,040 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite52#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,040 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,040 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,040 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,040 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,040 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,040 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,040 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,040 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,041 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,041 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,041 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,041 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite49#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,041 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,041 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,041 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,041 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite50#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,041 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,041 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,041 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,041 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,041 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,041 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite47#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,041 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,041 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite52#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,041 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,042 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,042 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,042 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,042 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,042 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite53#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,042 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,042 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,042 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,042 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite54#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,042 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite49#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,042 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,042 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,044 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite52#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,044 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,044 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,044 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,044 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,044 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,044 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,044 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,044 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,044 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,044 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,045 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,045 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite49#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,045 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,045 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,045 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,045 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite50#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,045 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,045 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,045 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,045 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,045 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,045 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite47#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,045 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,045 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite52#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,045 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,045 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,045 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,046 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,046 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,046 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite53#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,046 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,046 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,046 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,046 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite54#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,046 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite49#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,046 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,046 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,048 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite55#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,048 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite57#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,048 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite55#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,048 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite59#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,048 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite60#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,048 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite56#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,048 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite58#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,048 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite55#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,049 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite57#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,049 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite55#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,049 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite59#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,049 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite60#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,049 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite56#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,049 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite58#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,049 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,049 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,049 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,050 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,052 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite55#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,052 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite47#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,052 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,052 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,053 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,053 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,055 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite54#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,056 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,056 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite48#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,056 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,056 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite45#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,056 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite57#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,057 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite53#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,057 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,057 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,061 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite52#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,061 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,061 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite58#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,061 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,062 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,062 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,062 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite59#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,062 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite46#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,062 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,062 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,062 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,062 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite51#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,062 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,062 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,062 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,062 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,062 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite50#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,062 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite26#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,063 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,063 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,063 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,063 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite27#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,063 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,063 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,063 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite23#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,063 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,063 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,063 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,063 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,063 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite49#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,064 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,064 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,064 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite44#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,064 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite43#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,064 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite24#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,064 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,064 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite56#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,064 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite60#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,064 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,064 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,064 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite25#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,064 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,064 WARN L322 ript$VariableManager]: TermVariable |P1Thread1of1ForFork0_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,065 WARN L322 ript$VariableManager]: TermVariable |P0Thread1of1ForFork1_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,065 WARN L322 ript$VariableManager]: TermVariable |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,066 WARN L322 ript$VariableManager]: TermVariable |P0Thread1of1ForFork1_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,066 WARN L322 ript$VariableManager]: TermVariable |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,066 WARN L322 ript$VariableManager]: TermVariable |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,066 WARN L322 ript$VariableManager]: TermVariable |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,066 WARN L322 ript$VariableManager]: TermVariable |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,066 WARN L322 ript$VariableManager]: TermVariable |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,066 WARN L322 ript$VariableManager]: TermVariable P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,066 WARN L322 ript$VariableManager]: TermVariable P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 21:44:41,066 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-02-10 21:44:41,106 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-10 21:44:41,113 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-02-10 21:44:41,113 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-02-10 21:44:41,124 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 102 places, 97 transitions, 204 flow [2022-02-10 21:44:41,206 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 2120 states, 2117 states have (on average 2.718941898913557) internal successors, (5756), 2119 states have internal predecessors, (5756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 21:44:41,212 INFO L276 IsEmpty]: Start isEmpty. Operand has 2120 states, 2117 states have (on average 2.718941898913557) internal successors, (5756), 2119 states have internal predecessors, (5756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 21:44:41,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-02-10 21:44:41,220 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 21:44:41,221 INFO L515 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 21:44:41,222 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting P1Err0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2022-02-10 21:44:41,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 21:44:41,226 INFO L85 PathProgramCache]: Analyzing trace with hash 1219813241, now seen corresponding path program 1 times [2022-02-10 21:44:41,236 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 21:44:41,236 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1658212940] [2022-02-10 21:44:41,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 21:44:41,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 21:44:41,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 21:44:41,512 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 21:44:41,512 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 21:44:41,512 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1658212940] [2022-02-10 21:44:41,513 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1658212940] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 21:44:41,513 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 21:44:41,513 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-10 21:44:41,514 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [19277641] [2022-02-10 21:44:41,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 21:44:41,517 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-10 21:44:41,517 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 21:44:41,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-10 21:44:41,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-10 21:44:41,549 INFO L87 Difference]: Start difference. First operand has 2120 states, 2117 states have (on average 2.718941898913557) internal successors, (5756), 2119 states have internal predecessors, (5756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 25.0) internal successors, (50), 3 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) [2022-02-10 21:44:41,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 21:44:41,646 INFO L93 Difference]: Finished difference Result 1856 states and 4893 transitions. [2022-02-10 21:44:41,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 21:44:41,649 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 25.0) internal successors, (50), 3 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) Word has length 50 [2022-02-10 21:44:41,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 21:44:41,676 INFO L225 Difference]: With dead ends: 1856 [2022-02-10 21:44:41,677 INFO L226 Difference]: Without dead ends: 1536 [2022-02-10 21:44:41,678 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-10 21:44:41,683 INFO L934 BasicCegarLoop]: 82 mSDtfsCounter, 32 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 133 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-10 21:44:41,684 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [32 Valid, 133 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-10 21:44:41,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1536 states. [2022-02-10 21:44:41,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1536 to 1536. [2022-02-10 21:44:41,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1536 states, 1535 states have (on average 2.6456026058631923) internal successors, (4061), 1535 states have internal predecessors, (4061), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 21:44:41,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1536 states to 1536 states and 4061 transitions. [2022-02-10 21:44:41,834 INFO L78 Accepts]: Start accepts. Automaton has 1536 states and 4061 transitions. Word has length 50 [2022-02-10 21:44:41,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 21:44:41,834 INFO L470 AbstractCegarLoop]: Abstraction has 1536 states and 4061 transitions. [2022-02-10 21:44:41,835 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 25.0) internal successors, (50), 3 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) [2022-02-10 21:44:41,835 INFO L276 IsEmpty]: Start isEmpty. Operand 1536 states and 4061 transitions. [2022-02-10 21:44:41,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-02-10 21:44:41,844 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 21:44:41,844 INFO L515 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 21:44:41,844 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-10 21:44:41,845 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2022-02-10 21:44:41,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 21:44:41,846 INFO L85 PathProgramCache]: Analyzing trace with hash -832897983, now seen corresponding path program 1 times [2022-02-10 21:44:41,846 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 21:44:41,846 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [319685898] [2022-02-10 21:44:41,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 21:44:41,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 21:44:41,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 21:44:42,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 21:44:42,063 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 21:44:42,063 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [319685898] [2022-02-10 21:44:42,063 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [319685898] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 21:44:42,064 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 21:44:42,064 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-10 21:44:42,064 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1222313279] [2022-02-10 21:44:42,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 21:44:42,065 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-10 21:44:42,066 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 21:44:42,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-10 21:44:42,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-02-10 21:44:42,066 INFO L87 Difference]: Start difference. First operand 1536 states and 4061 transitions. Second operand has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 21:44:42,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 21:44:42,298 INFO L93 Difference]: Finished difference Result 1894 states and 4971 transitions. [2022-02-10 21:44:42,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-10 21:44:42,299 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2022-02-10 21:44:42,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 21:44:42,304 INFO L225 Difference]: With dead ends: 1894 [2022-02-10 21:44:42,304 INFO L226 Difference]: Without dead ends: 1494 [2022-02-10 21:44:42,305 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-02-10 21:44:42,305 INFO L934 BasicCegarLoop]: 102 mSDtfsCounter, 79 mSDsluCounter, 371 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 412 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-10 21:44:42,306 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [79 Valid, 412 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-10 21:44:42,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1494 states. [2022-02-10 21:44:42,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1494 to 1494. [2022-02-10 21:44:42,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1494 states, 1493 states have (on average 2.635632953784327) internal successors, (3935), 1493 states have internal predecessors, (3935), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 21:44:42,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1494 states to 1494 states and 3935 transitions. [2022-02-10 21:44:42,331 INFO L78 Accepts]: Start accepts. Automaton has 1494 states and 3935 transitions. Word has length 64 [2022-02-10 21:44:42,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 21:44:42,332 INFO L470 AbstractCegarLoop]: Abstraction has 1494 states and 3935 transitions. [2022-02-10 21:44:42,332 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 21:44:42,332 INFO L276 IsEmpty]: Start isEmpty. Operand 1494 states and 3935 transitions. [2022-02-10 21:44:42,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-02-10 21:44:42,334 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 21:44:42,334 INFO L515 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 21:44:42,334 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-10 21:44:42,334 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2022-02-10 21:44:42,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 21:44:42,335 INFO L85 PathProgramCache]: Analyzing trace with hash 588693792, now seen corresponding path program 1 times [2022-02-10 21:44:42,335 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 21:44:42,335 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1201697835] [2022-02-10 21:44:42,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 21:44:42,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 21:44:42,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 21:44:42,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 21:44:42,443 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 21:44:42,443 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1201697835] [2022-02-10 21:44:42,443 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1201697835] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 21:44:42,443 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 21:44:42,443 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-10 21:44:42,443 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [156058534] [2022-02-10 21:44:42,443 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 21:44:42,444 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-10 21:44:42,444 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 21:44:42,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-10 21:44:42,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-02-10 21:44:42,444 INFO L87 Difference]: Start difference. First operand 1494 states and 3935 transitions. Second operand has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 21:44:42,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 21:44:42,629 INFO L93 Difference]: Finished difference Result 1626 states and 4236 transitions. [2022-02-10 21:44:42,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-10 21:44:42,630 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2022-02-10 21:44:42,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 21:44:42,635 INFO L225 Difference]: With dead ends: 1626 [2022-02-10 21:44:42,635 INFO L226 Difference]: Without dead ends: 1256 [2022-02-10 21:44:42,635 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-02-10 21:44:42,636 INFO L934 BasicCegarLoop]: 102 mSDtfsCounter, 91 mSDsluCounter, 349 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 403 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-10 21:44:42,636 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [91 Valid, 403 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-10 21:44:42,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1256 states. [2022-02-10 21:44:42,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1256 to 1256. [2022-02-10 21:44:42,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1256 states, 1255 states have (on average 2.594422310756972) internal successors, (3256), 1255 states have internal predecessors, (3256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 21:44:42,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1256 states to 1256 states and 3256 transitions. [2022-02-10 21:44:42,657 INFO L78 Accepts]: Start accepts. Automaton has 1256 states and 3256 transitions. Word has length 66 [2022-02-10 21:44:42,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 21:44:42,658 INFO L470 AbstractCegarLoop]: Abstraction has 1256 states and 3256 transitions. [2022-02-10 21:44:42,658 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 21:44:42,658 INFO L276 IsEmpty]: Start isEmpty. Operand 1256 states and 3256 transitions. [2022-02-10 21:44:42,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-02-10 21:44:42,660 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 21:44:42,660 INFO L515 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 21:44:42,660 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-10 21:44:42,661 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2022-02-10 21:44:42,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 21:44:42,661 INFO L85 PathProgramCache]: Analyzing trace with hash 52482806, now seen corresponding path program 1 times [2022-02-10 21:44:42,661 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 21:44:42,661 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1898708765] [2022-02-10 21:44:42,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 21:44:42,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 21:44:42,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 21:44:43,041 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 21:44:43,042 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 21:44:43,042 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1898708765] [2022-02-10 21:44:43,042 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1898708765] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 21:44:43,042 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 21:44:43,042 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-02-10 21:44:43,042 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [229691409] [2022-02-10 21:44:43,042 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 21:44:43,043 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-02-10 21:44:43,043 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 21:44:43,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-02-10 21:44:43,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2022-02-10 21:44:43,043 INFO L87 Difference]: Start difference. First operand 1256 states and 3256 transitions. Second operand has 12 states, 12 states have (on average 5.75) internal successors, (69), 12 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 21:44:43,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 21:44:43,313 INFO L93 Difference]: Finished difference Result 1462 states and 3765 transitions. [2022-02-10 21:44:43,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-10 21:44:43,314 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.75) internal successors, (69), 12 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 69 [2022-02-10 21:44:43,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 21:44:43,320 INFO L225 Difference]: With dead ends: 1462 [2022-02-10 21:44:43,320 INFO L226 Difference]: Without dead ends: 1262 [2022-02-10 21:44:43,320 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=73, Invalid=233, Unknown=0, NotChecked=0, Total=306 [2022-02-10 21:44:43,321 INFO L934 BasicCegarLoop]: 107 mSDtfsCounter, 207 mSDsluCounter, 497 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 207 SdHoareTripleChecker+Valid, 588 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-10 21:44:43,321 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [207 Valid, 588 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-10 21:44:43,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1262 states. [2022-02-10 21:44:43,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1262 to 1262. [2022-02-10 21:44:43,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1262 states, 1261 states have (on average 2.591593973037272) internal successors, (3268), 1261 states have internal predecessors, (3268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 21:44:43,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1262 states to 1262 states and 3268 transitions. [2022-02-10 21:44:43,342 INFO L78 Accepts]: Start accepts. Automaton has 1262 states and 3268 transitions. Word has length 69 [2022-02-10 21:44:43,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 21:44:43,343 INFO L470 AbstractCegarLoop]: Abstraction has 1262 states and 3268 transitions. [2022-02-10 21:44:43,343 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.75) internal successors, (69), 12 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 21:44:43,343 INFO L276 IsEmpty]: Start isEmpty. Operand 1262 states and 3268 transitions. [2022-02-10 21:44:43,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-02-10 21:44:43,345 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 21:44:43,345 INFO L515 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 21:44:43,345 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-02-10 21:44:43,345 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2022-02-10 21:44:43,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 21:44:43,345 INFO L85 PathProgramCache]: Analyzing trace with hash 302887310, now seen corresponding path program 2 times [2022-02-10 21:44:43,346 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 21:44:43,346 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [18323328] [2022-02-10 21:44:43,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 21:44:43,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 21:44:43,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 21:44:43,628 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 21:44:43,629 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 21:44:43,629 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [18323328] [2022-02-10 21:44:43,629 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [18323328] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 21:44:43,629 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 21:44:43,629 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2022-02-10 21:44:43,629 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2021672489] [2022-02-10 21:44:43,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 21:44:43,630 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-02-10 21:44:43,630 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 21:44:43,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-02-10 21:44:43,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=159, Unknown=0, NotChecked=0, Total=210 [2022-02-10 21:44:43,630 INFO L87 Difference]: Start difference. First operand 1262 states and 3268 transitions. Second operand has 15 states, 15 states have (on average 4.6) internal successors, (69), 15 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 21:44:43,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 21:44:43,990 INFO L93 Difference]: Finished difference Result 1448 states and 3723 transitions. [2022-02-10 21:44:43,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-10 21:44:43,991 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 4.6) internal successors, (69), 15 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 69 [2022-02-10 21:44:43,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 21:44:43,995 INFO L225 Difference]: With dead ends: 1448 [2022-02-10 21:44:43,995 INFO L226 Difference]: Without dead ends: 1248 [2022-02-10 21:44:43,996 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 173 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=167, Invalid=645, Unknown=0, NotChecked=0, Total=812 [2022-02-10 21:44:43,996 INFO L934 BasicCegarLoop]: 87 mSDtfsCounter, 446 mSDsluCounter, 602 mSDsCounter, 0 mSdLazyCounter, 246 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 446 SdHoareTripleChecker+Valid, 658 SdHoareTripleChecker+Invalid, 282 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 246 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-10 21:44:43,997 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [446 Valid, 658 Invalid, 282 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 246 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-10 21:44:44,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1248 states. [2022-02-10 21:44:44,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1248 to 1242. [2022-02-10 21:44:44,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1242 states, 1241 states have (on average 2.589846897663175) internal successors, (3214), 1241 states have internal predecessors, (3214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 21:44:44,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1242 states to 1242 states and 3214 transitions. [2022-02-10 21:44:44,018 INFO L78 Accepts]: Start accepts. Automaton has 1242 states and 3214 transitions. Word has length 69 [2022-02-10 21:44:44,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 21:44:44,019 INFO L470 AbstractCegarLoop]: Abstraction has 1242 states and 3214 transitions. [2022-02-10 21:44:44,019 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 4.6) internal successors, (69), 15 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 21:44:44,019 INFO L276 IsEmpty]: Start isEmpty. Operand 1242 states and 3214 transitions. [2022-02-10 21:44:44,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-02-10 21:44:44,021 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 21:44:44,021 INFO L515 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 21:44:44,021 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-02-10 21:44:44,021 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2022-02-10 21:44:44,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 21:44:44,022 INFO L85 PathProgramCache]: Analyzing trace with hash 1062502046, now seen corresponding path program 1 times [2022-02-10 21:44:44,022 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 21:44:44,022 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1575535358] [2022-02-10 21:44:44,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 21:44:44,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 21:44:44,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 21:44:44,663 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 21:44:44,664 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 21:44:44,664 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1575535358] [2022-02-10 21:44:44,664 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1575535358] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 21:44:44,664 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 21:44:44,664 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-02-10 21:44:44,664 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [653201135] [2022-02-10 21:44:44,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 21:44:44,665 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-02-10 21:44:44,665 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 21:44:44,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-02-10 21:44:44,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2022-02-10 21:44:44,666 INFO L87 Difference]: Start difference. First operand 1242 states and 3214 transitions. Second operand has 14 states, 14 states have (on average 5.0) internal successors, (70), 14 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) [2022-02-10 21:44:45,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 21:44:45,204 INFO L93 Difference]: Finished difference Result 1438 states and 3700 transitions. [2022-02-10 21:44:45,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-02-10 21:44:45,205 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 5.0) internal successors, (70), 14 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) Word has length 70 [2022-02-10 21:44:45,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 21:44:45,210 INFO L225 Difference]: With dead ends: 1438 [2022-02-10 21:44:45,210 INFO L226 Difference]: Without dead ends: 1278 [2022-02-10 21:44:45,210 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=88, Invalid=292, Unknown=0, NotChecked=0, Total=380 [2022-02-10 21:44:45,211 INFO L934 BasicCegarLoop]: 108 mSDtfsCounter, 162 mSDsluCounter, 944 mSDsCounter, 0 mSdLazyCounter, 247 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 SdHoareTripleChecker+Valid, 1028 SdHoareTripleChecker+Invalid, 263 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 247 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-10 21:44:45,211 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [162 Valid, 1028 Invalid, 263 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 247 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-10 21:44:45,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1278 states. [2022-02-10 21:44:45,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1278 to 1256. [2022-02-10 21:44:45,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1256 states, 1255 states have (on average 2.5816733067729083) internal successors, (3240), 1255 states have internal predecessors, (3240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 21:44:45,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1256 states to 1256 states and 3240 transitions. [2022-02-10 21:44:45,234 INFO L78 Accepts]: Start accepts. Automaton has 1256 states and 3240 transitions. Word has length 70 [2022-02-10 21:44:45,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 21:44:45,234 INFO L470 AbstractCegarLoop]: Abstraction has 1256 states and 3240 transitions. [2022-02-10 21:44:45,234 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 5.0) internal successors, (70), 14 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) [2022-02-10 21:44:45,234 INFO L276 IsEmpty]: Start isEmpty. Operand 1256 states and 3240 transitions. [2022-02-10 21:44:45,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-02-10 21:44:45,236 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 21:44:45,236 INFO L515 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 21:44:45,236 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-02-10 21:44:45,236 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2022-02-10 21:44:45,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 21:44:45,237 INFO L85 PathProgramCache]: Analyzing trace with hash 1691288222, now seen corresponding path program 2 times [2022-02-10 21:44:45,237 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 21:44:45,237 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1219454240] [2022-02-10 21:44:45,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 21:44:45,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 21:44:45,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 21:44:45,658 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 21:44:45,658 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 21:44:45,658 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1219454240] [2022-02-10 21:44:45,658 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1219454240] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 21:44:45,658 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 21:44:45,658 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2022-02-10 21:44:45,659 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1112637498] [2022-02-10 21:44:45,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 21:44:45,659 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-02-10 21:44:45,659 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 21:44:45,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-02-10 21:44:45,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2022-02-10 21:44:45,660 INFO L87 Difference]: Start difference. First operand 1256 states and 3240 transitions. Second operand has 15 states, 15 states have (on average 4.666666666666667) internal successors, (70), 15 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) [2022-02-10 21:44:46,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 21:44:46,039 INFO L93 Difference]: Finished difference Result 1636 states and 4228 transitions. [2022-02-10 21:44:46,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-10 21:44:46,039 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 4.666666666666667) internal successors, (70), 15 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) Word has length 70 [2022-02-10 21:44:46,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 21:44:46,044 INFO L225 Difference]: With dead ends: 1636 [2022-02-10 21:44:46,044 INFO L226 Difference]: Without dead ends: 1436 [2022-02-10 21:44:46,045 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 110 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=83, Invalid=379, Unknown=0, NotChecked=0, Total=462 [2022-02-10 21:44:46,045 INFO L934 BasicCegarLoop]: 140 mSDtfsCounter, 267 mSDsluCounter, 1087 mSDsCounter, 0 mSdLazyCounter, 287 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 267 SdHoareTripleChecker+Valid, 1207 SdHoareTripleChecker+Invalid, 304 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 287 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-10 21:44:46,045 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [267 Valid, 1207 Invalid, 304 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 287 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-10 21:44:46,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1436 states. [2022-02-10 21:44:46,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1436 to 1200. [2022-02-10 21:44:46,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1200 states, 1199 states have (on average 2.5754795663052543) internal successors, (3088), 1199 states have internal predecessors, (3088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 21:44:46,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1200 states to 1200 states and 3088 transitions. [2022-02-10 21:44:46,067 INFO L78 Accepts]: Start accepts. Automaton has 1200 states and 3088 transitions. Word has length 70 [2022-02-10 21:44:46,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 21:44:46,067 INFO L470 AbstractCegarLoop]: Abstraction has 1200 states and 3088 transitions. [2022-02-10 21:44:46,067 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 4.666666666666667) internal successors, (70), 15 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) [2022-02-10 21:44:46,067 INFO L276 IsEmpty]: Start isEmpty. Operand 1200 states and 3088 transitions. [2022-02-10 21:44:46,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-02-10 21:44:46,071 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 21:44:46,071 INFO L515 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 21:44:46,071 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-02-10 21:44:46,071 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2022-02-10 21:44:46,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 21:44:46,072 INFO L85 PathProgramCache]: Analyzing trace with hash 2006562357, now seen corresponding path program 1 times [2022-02-10 21:44:46,072 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 21:44:46,072 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [493588102] [2022-02-10 21:44:46,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 21:44:46,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 21:44:46,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 21:44:46,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 21:44:46,168 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 21:44:46,168 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [493588102] [2022-02-10 21:44:46,168 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [493588102] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 21:44:46,168 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 21:44:46,168 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-10 21:44:46,168 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036805709] [2022-02-10 21:44:46,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 21:44:46,169 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-10 21:44:46,169 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 21:44:46,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-10 21:44:46,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-02-10 21:44:46,169 INFO L87 Difference]: Start difference. First operand 1200 states and 3088 transitions. Second operand has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 6 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 21:44:46,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 21:44:46,303 INFO L93 Difference]: Finished difference Result 1264 states and 3159 transitions. [2022-02-10 21:44:46,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-10 21:44:46,303 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 6 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 71 [2022-02-10 21:44:46,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 21:44:46,306 INFO L225 Difference]: With dead ends: 1264 [2022-02-10 21:44:46,306 INFO L226 Difference]: Without dead ends: 864 [2022-02-10 21:44:46,307 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-02-10 21:44:46,307 INFO L934 BasicCegarLoop]: 84 mSDtfsCounter, 139 mSDsluCounter, 277 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 313 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-10 21:44:46,307 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [139 Valid, 313 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-10 21:44:46,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 864 states. [2022-02-10 21:44:46,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 864 to 864. [2022-02-10 21:44:46,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 864 states, 863 states have (on average 2.4264194669756662) internal successors, (2094), 863 states have internal predecessors, (2094), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 21:44:46,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 864 states to 864 states and 2094 transitions. [2022-02-10 21:44:46,330 INFO L78 Accepts]: Start accepts. Automaton has 864 states and 2094 transitions. Word has length 71 [2022-02-10 21:44:46,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 21:44:46,331 INFO L470 AbstractCegarLoop]: Abstraction has 864 states and 2094 transitions. [2022-02-10 21:44:46,331 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 6 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 21:44:46,331 INFO L276 IsEmpty]: Start isEmpty. Operand 864 states and 2094 transitions. [2022-02-10 21:44:46,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-02-10 21:44:46,333 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 21:44:46,333 INFO L515 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 21:44:46,333 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-02-10 21:44:46,333 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2022-02-10 21:44:46,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 21:44:46,333 INFO L85 PathProgramCache]: Analyzing trace with hash -1527433900, now seen corresponding path program 1 times [2022-02-10 21:44:46,334 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 21:44:46,334 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [194959559] [2022-02-10 21:44:46,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 21:44:46,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 21:44:46,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 21:44:46,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 21:44:46,618 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 21:44:46,618 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [194959559] [2022-02-10 21:44:46,618 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [194959559] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 21:44:46,618 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 21:44:46,618 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-02-10 21:44:46,618 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [729502174] [2022-02-10 21:44:46,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 21:44:46,619 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-02-10 21:44:46,619 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 21:44:46,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-02-10 21:44:46,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2022-02-10 21:44:46,620 INFO L87 Difference]: Start difference. First operand 864 states and 2094 transitions. Second operand has 13 states, 13 states have (on average 5.615384615384615) internal successors, (73), 13 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) [2022-02-10 21:44:46,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 21:44:46,967 INFO L93 Difference]: Finished difference Result 1404 states and 3426 transitions. [2022-02-10 21:44:46,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-10 21:44:46,968 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 5.615384615384615) internal successors, (73), 13 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) Word has length 73 [2022-02-10 21:44:46,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 21:44:46,972 INFO L225 Difference]: With dead ends: 1404 [2022-02-10 21:44:46,972 INFO L226 Difference]: Without dead ends: 1059 [2022-02-10 21:44:46,972 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2022-02-10 21:44:46,972 INFO L934 BasicCegarLoop]: 136 mSDtfsCounter, 176 mSDsluCounter, 935 mSDsCounter, 0 mSdLazyCounter, 238 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 176 SdHoareTripleChecker+Valid, 1036 SdHoareTripleChecker+Invalid, 261 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 238 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-10 21:44:46,973 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [176 Valid, 1036 Invalid, 261 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 238 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-10 21:44:46,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1059 states. [2022-02-10 21:44:46,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1059 to 954. [2022-02-10 21:44:46,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 954 states, 953 states have (on average 2.4018887722980065) internal successors, (2289), 953 states have internal predecessors, (2289), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 21:44:46,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 954 states to 954 states and 2289 transitions. [2022-02-10 21:44:46,988 INFO L78 Accepts]: Start accepts. Automaton has 954 states and 2289 transitions. Word has length 73 [2022-02-10 21:44:46,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 21:44:46,988 INFO L470 AbstractCegarLoop]: Abstraction has 954 states and 2289 transitions. [2022-02-10 21:44:46,988 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.615384615384615) internal successors, (73), 13 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) [2022-02-10 21:44:46,989 INFO L276 IsEmpty]: Start isEmpty. Operand 954 states and 2289 transitions. [2022-02-10 21:44:46,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-02-10 21:44:46,990 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 21:44:46,990 INFO L515 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 21:44:46,990 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-02-10 21:44:46,990 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2022-02-10 21:44:46,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 21:44:46,991 INFO L85 PathProgramCache]: Analyzing trace with hash -828322550, now seen corresponding path program 2 times [2022-02-10 21:44:46,991 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 21:44:46,991 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [346235322] [2022-02-10 21:44:46,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 21:44:46,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 21:44:47,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 21:44:47,303 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 21:44:47,304 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 21:44:47,304 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [346235322] [2022-02-10 21:44:47,304 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [346235322] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 21:44:47,304 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 21:44:47,304 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-02-10 21:44:47,304 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [73062561] [2022-02-10 21:44:47,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 21:44:47,304 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-10 21:44:47,304 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 21:44:47,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-10 21:44:47,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2022-02-10 21:44:47,305 INFO L87 Difference]: Start difference. First operand 954 states and 2289 transitions. Second operand has 11 states, 11 states have (on average 6.636363636363637) internal successors, (73), 11 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) [2022-02-10 21:44:47,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 21:44:47,554 INFO L93 Difference]: Finished difference Result 1584 states and 3831 transitions. [2022-02-10 21:44:47,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-02-10 21:44:47,557 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.636363636363637) internal successors, (73), 11 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) Word has length 73 [2022-02-10 21:44:47,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 21:44:47,561 INFO L225 Difference]: With dead ends: 1584 [2022-02-10 21:44:47,561 INFO L226 Difference]: Without dead ends: 1251 [2022-02-10 21:44:47,561 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2022-02-10 21:44:47,562 INFO L934 BasicCegarLoop]: 128 mSDtfsCounter, 232 mSDsluCounter, 736 mSDsCounter, 0 mSdLazyCounter, 179 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 232 SdHoareTripleChecker+Valid, 849 SdHoareTripleChecker+Invalid, 201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 179 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-10 21:44:47,562 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [232 Valid, 849 Invalid, 201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 179 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-10 21:44:47,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1251 states. [2022-02-10 21:44:47,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1251 to 1074. [2022-02-10 21:44:47,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1074 states, 1073 states have (on average 2.423112767940354) internal successors, (2600), 1073 states have internal predecessors, (2600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 21:44:47,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1074 states to 1074 states and 2600 transitions. [2022-02-10 21:44:47,578 INFO L78 Accepts]: Start accepts. Automaton has 1074 states and 2600 transitions. Word has length 73 [2022-02-10 21:44:47,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 21:44:47,578 INFO L470 AbstractCegarLoop]: Abstraction has 1074 states and 2600 transitions. [2022-02-10 21:44:47,578 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.636363636363637) internal successors, (73), 11 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) [2022-02-10 21:44:47,578 INFO L276 IsEmpty]: Start isEmpty. Operand 1074 states and 2600 transitions. [2022-02-10 21:44:47,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-02-10 21:44:47,580 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 21:44:47,580 INFO L515 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 21:44:47,580 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-02-10 21:44:47,580 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2022-02-10 21:44:47,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 21:44:47,580 INFO L85 PathProgramCache]: Analyzing trace with hash -766813386, now seen corresponding path program 3 times [2022-02-10 21:44:47,581 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 21:44:47,581 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1514288444] [2022-02-10 21:44:47,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 21:44:47,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 21:44:47,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 21:44:47,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 21:44:47,874 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 21:44:47,876 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1514288444] [2022-02-10 21:44:47,876 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1514288444] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 21:44:47,876 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 21:44:47,876 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-02-10 21:44:47,876 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [73344050] [2022-02-10 21:44:47,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 21:44:47,877 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-02-10 21:44:47,877 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 21:44:47,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-02-10 21:44:47,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2022-02-10 21:44:47,878 INFO L87 Difference]: Start difference. First operand 1074 states and 2600 transitions. Second operand has 13 states, 13 states have (on average 5.615384615384615) internal successors, (73), 13 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) [2022-02-10 21:44:48,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 21:44:48,756 INFO L93 Difference]: Finished difference Result 1674 states and 4092 transitions. [2022-02-10 21:44:48,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-10 21:44:48,756 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 5.615384615384615) internal successors, (73), 13 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) Word has length 73 [2022-02-10 21:44:48,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 21:44:48,761 INFO L225 Difference]: With dead ends: 1674 [2022-02-10 21:44:48,761 INFO L226 Difference]: Without dead ends: 1329 [2022-02-10 21:44:48,761 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 130 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=169, Invalid=587, Unknown=0, NotChecked=0, Total=756 [2022-02-10 21:44:48,761 INFO L934 BasicCegarLoop]: 145 mSDtfsCounter, 441 mSDsluCounter, 916 mSDsCounter, 0 mSdLazyCounter, 232 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 441 SdHoareTripleChecker+Valid, 1043 SdHoareTripleChecker+Invalid, 315 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 232 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-10 21:44:48,762 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [441 Valid, 1043 Invalid, 315 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 232 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-10 21:44:48,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1329 states. [2022-02-10 21:44:48,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1329 to 1074. [2022-02-10 21:44:48,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1074 states, 1073 states have (on average 2.423112767940354) internal successors, (2600), 1073 states have internal predecessors, (2600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 21:44:48,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1074 states to 1074 states and 2600 transitions. [2022-02-10 21:44:48,778 INFO L78 Accepts]: Start accepts. Automaton has 1074 states and 2600 transitions. Word has length 73 [2022-02-10 21:44:48,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 21:44:48,779 INFO L470 AbstractCegarLoop]: Abstraction has 1074 states and 2600 transitions. [2022-02-10 21:44:48,779 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.615384615384615) internal successors, (73), 13 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) [2022-02-10 21:44:48,779 INFO L276 IsEmpty]: Start isEmpty. Operand 1074 states and 2600 transitions. [2022-02-10 21:44:48,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-02-10 21:44:48,780 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 21:44:48,781 INFO L515 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 21:44:48,781 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-02-10 21:44:48,781 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2022-02-10 21:44:48,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 21:44:48,781 INFO L85 PathProgramCache]: Analyzing trace with hash 1232144974, now seen corresponding path program 4 times [2022-02-10 21:44:48,781 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 21:44:48,781 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [204726201] [2022-02-10 21:44:48,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 21:44:48,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 21:44:48,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 21:44:48,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 21:44:48,880 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 21:44:48,880 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [204726201] [2022-02-10 21:44:48,880 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [204726201] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 21:44:48,880 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 21:44:48,880 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-02-10 21:44:48,880 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1398866696] [2022-02-10 21:44:48,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 21:44:48,881 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-02-10 21:44:48,881 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 21:44:48,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-02-10 21:44:48,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-02-10 21:44:48,881 INFO L87 Difference]: Start difference. First operand 1074 states and 2600 transitions. Second operand has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 7 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) [2022-02-10 21:44:49,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 21:44:49,018 INFO L93 Difference]: Finished difference Result 861 states and 2014 transitions. [2022-02-10 21:44:49,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-10 21:44:49,018 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 7 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) Word has length 73 [2022-02-10 21:44:49,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 21:44:49,020 INFO L225 Difference]: With dead ends: 861 [2022-02-10 21:44:49,020 INFO L226 Difference]: Without dead ends: 449 [2022-02-10 21:44:49,020 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2022-02-10 21:44:49,020 INFO L934 BasicCegarLoop]: 84 mSDtfsCounter, 196 mSDsluCounter, 299 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 196 SdHoareTripleChecker+Valid, 338 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-10 21:44:49,021 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [196 Valid, 338 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-10 21:44:49,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 449 states. [2022-02-10 21:44:49,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 449 to 419. [2022-02-10 21:44:49,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 419 states, 418 states have (on average 2.186602870813397) internal successors, (914), 418 states have internal predecessors, (914), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 21:44:49,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 419 states and 914 transitions. [2022-02-10 21:44:49,027 INFO L78 Accepts]: Start accepts. Automaton has 419 states and 914 transitions. Word has length 73 [2022-02-10 21:44:49,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 21:44:49,028 INFO L470 AbstractCegarLoop]: Abstraction has 419 states and 914 transitions. [2022-02-10 21:44:49,028 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 7 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) [2022-02-10 21:44:49,028 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 914 transitions. [2022-02-10 21:44:49,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-02-10 21:44:49,029 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 21:44:49,030 INFO L515 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 21:44:49,030 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-02-10 21:44:49,030 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2022-02-10 21:44:49,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 21:44:49,030 INFO L85 PathProgramCache]: Analyzing trace with hash 2124572112, now seen corresponding path program 1 times [2022-02-10 21:44:49,031 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 21:44:49,031 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1494195888] [2022-02-10 21:44:49,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 21:44:49,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 21:44:49,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 21:44:49,555 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 21:44:49,555 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 21:44:49,555 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1494195888] [2022-02-10 21:44:49,555 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1494195888] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 21:44:49,555 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 21:44:49,555 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-02-10 21:44:49,555 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [917574881] [2022-02-10 21:44:49,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 21:44:49,556 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-02-10 21:44:49,556 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 21:44:49,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-02-10 21:44:49,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=220, Unknown=0, NotChecked=0, Total=272 [2022-02-10 21:44:49,556 INFO L87 Difference]: Start difference. First operand 419 states and 914 transitions. Second operand has 17 states, 17 states have (on average 4.470588235294118) internal successors, (76), 17 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 21:44:49,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 21:44:49,963 INFO L93 Difference]: Finished difference Result 620 states and 1378 transitions. [2022-02-10 21:44:49,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-02-10 21:44:49,963 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 4.470588235294118) internal successors, (76), 17 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 76 [2022-02-10 21:44:49,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 21:44:49,964 INFO L225 Difference]: With dead ends: 620 [2022-02-10 21:44:49,964 INFO L226 Difference]: Without dead ends: 381 [2022-02-10 21:44:49,965 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 110 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=117, Invalid=483, Unknown=0, NotChecked=0, Total=600 [2022-02-10 21:44:49,965 INFO L934 BasicCegarLoop]: 106 mSDtfsCounter, 168 mSDsluCounter, 891 mSDsCounter, 0 mSdLazyCounter, 205 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 168 SdHoareTripleChecker+Valid, 968 SdHoareTripleChecker+Invalid, 225 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 205 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-10 21:44:49,965 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [168 Valid, 968 Invalid, 225 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 205 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-10 21:44:49,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 381 states. [2022-02-10 21:44:49,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 381 to 381. [2022-02-10 21:44:49,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 381 states, 380 states have (on average 2.1789473684210527) internal successors, (828), 380 states have internal predecessors, (828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 21:44:49,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 828 transitions. [2022-02-10 21:44:49,971 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 828 transitions. Word has length 76 [2022-02-10 21:44:49,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 21:44:49,971 INFO L470 AbstractCegarLoop]: Abstraction has 381 states and 828 transitions. [2022-02-10 21:44:49,971 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 4.470588235294118) internal successors, (76), 17 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 21:44:49,971 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 828 transitions. [2022-02-10 21:44:49,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-02-10 21:44:49,972 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 21:44:49,972 INFO L515 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 21:44:49,972 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-02-10 21:44:49,972 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2022-02-10 21:44:49,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 21:44:49,972 INFO L85 PathProgramCache]: Analyzing trace with hash 1821942544, now seen corresponding path program 2 times [2022-02-10 21:44:49,973 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 21:44:49,973 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [343791049] [2022-02-10 21:44:49,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 21:44:49,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 21:44:50,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 21:44:50,076 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 21:44:50,076 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 21:44:50,076 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [343791049] [2022-02-10 21:44:50,076 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [343791049] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 21:44:50,076 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 21:44:50,076 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-10 21:44:50,076 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1994887652] [2022-02-10 21:44:50,077 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 21:44:50,077 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-10 21:44:50,077 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 21:44:50,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-10 21:44:50,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-02-10 21:44:50,077 INFO L87 Difference]: Start difference. First operand 381 states and 828 transitions. Second operand has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 6 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 21:44:50,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 21:44:50,148 INFO L93 Difference]: Finished difference Result 363 states and 786 transitions. [2022-02-10 21:44:50,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-10 21:44:50,149 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 6 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 76 [2022-02-10 21:44:50,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 21:44:50,149 INFO L225 Difference]: With dead ends: 363 [2022-02-10 21:44:50,149 INFO L226 Difference]: Without dead ends: 0 [2022-02-10 21:44:50,149 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-02-10 21:44:50,149 INFO L934 BasicCegarLoop]: 84 mSDtfsCounter, 27 mSDsluCounter, 314 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 359 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-10 21:44:50,150 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [27 Valid, 359 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-10 21:44:50,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-02-10 21:44:50,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-02-10 21:44:50,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 21:44:50,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-02-10 21:44:50,150 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 76 [2022-02-10 21:44:50,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 21:44:50,151 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-02-10 21:44:50,151 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 6 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 21:44:50,151 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-02-10 21:44:50,151 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-10 21:44:50,153 INFO L764 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining) [2022-02-10 21:44:50,153 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 5 remaining) [2022-02-10 21:44:50,153 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 5 remaining) [2022-02-10 21:44:50,153 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 5 remaining) [2022-02-10 21:44:50,153 INFO L764 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 5 remaining) [2022-02-10 21:44:50,153 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-02-10 21:44:50,155 INFO L733 BasicCegarLoop]: Path program histogram: [4, 2, 2, 2, 1, 1, 1, 1] [2022-02-10 21:44:50,158 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-10 21:44:50,158 INFO L184 ceAbstractionStarter]: Computing trace abstraction results [2022-02-10 21:44:50,159 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.02 09:44:50 BasicIcfg [2022-02-10 21:44:50,159 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-10 21:44:50,160 INFO L158 Benchmark]: Toolchain (without parser) took 10858.03ms. Allocated memory was 182.5MB in the beginning and 507.5MB in the end (delta: 325.1MB). Free memory was 129.6MB in the beginning and 448.1MB in the end (delta: -318.5MB). Peak memory consumption was 7.9MB. Max. memory is 8.0GB. [2022-02-10 21:44:50,160 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 182.5MB. Free memory is still 147.7MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-10 21:44:50,160 INFO L158 Benchmark]: CACSL2BoogieTranslator took 441.43ms. Allocated memory is still 182.5MB. Free memory was 129.3MB in the beginning and 143.5MB in the end (delta: -14.2MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2022-02-10 21:44:50,160 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.24ms. Allocated memory is still 182.5MB. Free memory was 143.5MB in the beginning and 139.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2022-02-10 21:44:50,160 INFO L158 Benchmark]: Boogie Preprocessor took 53.29ms. Allocated memory is still 182.5MB. Free memory was 139.3MB in the beginning and 136.7MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-02-10 21:44:50,161 INFO L158 Benchmark]: RCFGBuilder took 1088.21ms. Allocated memory was 182.5MB in the beginning and 254.8MB in the end (delta: 72.4MB). Free memory was 136.7MB in the beginning and 163.0MB in the end (delta: -26.3MB). Peak memory consumption was 86.9MB. Max. memory is 8.0GB. [2022-02-10 21:44:50,161 INFO L158 Benchmark]: TraceAbstraction took 9198.54ms. Allocated memory was 254.8MB in the beginning and 507.5MB in the end (delta: 252.7MB). Free memory was 162.5MB in the beginning and 448.1MB in the end (delta: -285.5MB). There was no memory consumed. Max. memory is 8.0GB. [2022-02-10 21:44:50,162 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 182.5MB. Free memory is still 147.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 441.43ms. Allocated memory is still 182.5MB. Free memory was 129.3MB in the beginning and 143.5MB in the end (delta: -14.2MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 72.24ms. Allocated memory is still 182.5MB. Free memory was 143.5MB in the beginning and 139.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 53.29ms. Allocated memory is still 182.5MB. Free memory was 139.3MB in the beginning and 136.7MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 1088.21ms. Allocated memory was 182.5MB in the beginning and 254.8MB in the end (delta: 72.4MB). Free memory was 136.7MB in the beginning and 163.0MB in the end (delta: -26.3MB). Peak memory consumption was 86.9MB. Max. memory is 8.0GB. * TraceAbstraction took 9198.54ms. Allocated memory was 254.8MB in the beginning and 507.5MB in the end (delta: 252.7MB). Free memory was 162.5MB in the beginning and 448.1MB in the end (delta: -285.5MB). There was no memory consumed. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 18]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 18]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 117 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 9.1s, OverallIterations: 14, TraceHistogramMax: 1, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.0s, AutomataDifference: 4.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2663 SdHoareTripleChecker+Valid, 2.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2663 mSDsluCounter, 9335 SdHoareTripleChecker+Invalid, 1.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8269 mSDsCounter, 258 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2243 IncrementalHoareTripleChecker+Invalid, 2501 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 258 mSolverCounterUnsat, 1495 mSDtfsCounter, 2243 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 234 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 206 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 755 ImplicationChecksByTransitivity, 2.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2120occurred in iteration=0, InterpolantAutomatonStates: 171, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 14 MinimizatonAttempts, 831 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 3.2s InterpolantComputationTime, 973 NumberOfCodeBlocks, 973 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 959 ConstructedInterpolants, 0 QuantifiedInterpolants, 7171 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 14 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-02-10 21:44:50,186 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...