/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/mix055_tso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-4b0ab11 [2022-03-03 16:21:07,947 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-03 16:21:07,948 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-03 16:21:07,995 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-03 16:21:07,995 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-03 16:21:07,996 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-03 16:21:07,997 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-03 16:21:07,998 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-03 16:21:07,999 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-03 16:21:07,999 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-03 16:21:08,000 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-03 16:21:08,001 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-03 16:21:08,001 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-03 16:21:08,001 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-03 16:21:08,002 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-03 16:21:08,003 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-03 16:21:08,003 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-03 16:21:08,004 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-03 16:21:08,005 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-03 16:21:08,006 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-03 16:21:08,007 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-03 16:21:08,013 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-03 16:21:08,014 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-03 16:21:08,015 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-03 16:21:08,016 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-03-03 16:21:08,017 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-03-03 16:21:08,017 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-03-03 16:21:08,017 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-03-03 16:21:08,018 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-03-03 16:21:08,018 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-03-03 16:21:08,018 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-03-03 16:21:08,019 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-03-03 16:21:08,019 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-03-03 16:21:08,020 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-03-03 16:21:08,020 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-03-03 16:21:08,021 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-03-03 16:21:08,021 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-03-03 16:21:08,021 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-03-03 16:21:08,021 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-03 16:21:08,022 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-03 16:21:08,022 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-03 16:21:08,024 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 [2022-03-03 16:21:08,047 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-03 16:21:08,047 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-03 16:21:08,048 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-03 16:21:08,048 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-03 16:21:08,049 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-03 16:21:08,049 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-03 16:21:08,049 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-03 16:21:08,049 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-03 16:21:08,049 INFO L138 SettingsManager]: * Use SBE=true [2022-03-03 16:21:08,049 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-03 16:21:08,050 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-03 16:21:08,050 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-03 16:21:08,050 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-03 16:21:08,050 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-03 16:21:08,050 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-03 16:21:08,050 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-03 16:21:08,050 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-03 16:21:08,050 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-03 16:21:08,051 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-03 16:21:08,051 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-03 16:21:08,051 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-03 16:21:08,051 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-03 16:21:08,051 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-03 16:21:08,051 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-03 16:21:08,051 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-03 16:21:08,051 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-03 16:21:08,052 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-03 16:21:08,052 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-03 16:21:08,052 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-03 16:21:08,052 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-03 16:21:08,052 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-03 16:21:08,052 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-03 16:21:08,052 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-03 16:21:08,052 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-03 16:21:08,239 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-03 16:21:08,260 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-03 16:21:08,262 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-03 16:21:08,263 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-03 16:21:08,269 INFO L275 PluginConnector]: CDTParser initialized [2022-03-03 16:21:08,271 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix055_tso.oepc.i [2022-03-03 16:21:08,340 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/54d3027d8/f4ef0d9a6dd74523b17c867b478b1fc8/FLAG89f6d1b60 [2022-03-03 16:21:08,740 INFO L306 CDTParser]: Found 1 translation units. [2022-03-03 16:21:08,740 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix055_tso.oepc.i [2022-03-03 16:21:08,750 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/54d3027d8/f4ef0d9a6dd74523b17c867b478b1fc8/FLAG89f6d1b60 [2022-03-03 16:21:08,759 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/54d3027d8/f4ef0d9a6dd74523b17c867b478b1fc8 [2022-03-03 16:21:08,761 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-03 16:21:08,762 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-03 16:21:08,763 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-03 16:21:08,763 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-03 16:21:08,765 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-03 16:21:08,766 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 04:21:08" (1/1) ... [2022-03-03 16:21:08,766 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26094c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 04:21:08, skipping insertion in model container [2022-03-03 16:21:08,767 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 04:21:08" (1/1) ... [2022-03-03 16:21:08,771 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-03 16:21:08,800 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-03 16:21:08,932 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/mix055_tso.oepc.i[949,962] [2022-03-03 16:21:09,118 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-03 16:21:09,124 INFO L203 MainTranslator]: Completed pre-run [2022-03-03 16:21:09,132 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/mix055_tso.oepc.i[949,962] [2022-03-03 16:21:09,189 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-03 16:21:09,230 INFO L208 MainTranslator]: Completed translation [2022-03-03 16:21:09,231 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 04:21:09 WrapperNode [2022-03-03 16:21:09,231 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-03 16:21:09,232 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-03 16:21:09,232 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-03 16:21:09,232 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-03 16:21:09,237 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 04:21:09" (1/1) ... [2022-03-03 16:21:09,263 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 04:21:09" (1/1) ... [2022-03-03 16:21:09,302 INFO L137 Inliner]: procedures = 177, calls = 67, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 290 [2022-03-03 16:21:09,302 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-03 16:21:09,303 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-03 16:21:09,303 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-03 16:21:09,303 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-03 16:21:09,309 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 04:21:09" (1/1) ... [2022-03-03 16:21:09,310 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 04:21:09" (1/1) ... [2022-03-03 16:21:09,322 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 04:21:09" (1/1) ... [2022-03-03 16:21:09,323 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 04:21:09" (1/1) ... [2022-03-03 16:21:09,333 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 04:21:09" (1/1) ... [2022-03-03 16:21:09,336 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 04:21:09" (1/1) ... [2022-03-03 16:21:09,338 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 04:21:09" (1/1) ... [2022-03-03 16:21:09,357 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-03 16:21:09,358 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-03 16:21:09,358 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-03 16:21:09,358 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-03 16:21:09,361 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 04:21:09" (1/1) ... [2022-03-03 16:21:09,367 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-03 16:21:09,375 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-03 16:21:09,387 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-03-03 16:21:09,393 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-03-03 16:21:09,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-03 16:21:09,416 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-03-03 16:21:09,416 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-03 16:21:09,416 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-03-03 16:21:09,416 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-03 16:21:09,416 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-03-03 16:21:09,416 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-03-03 16:21:09,416 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-03-03 16:21:09,416 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-03-03 16:21:09,416 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-03-03 16:21:09,417 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-03-03 16:21:09,417 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2022-03-03 16:21:09,417 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2022-03-03 16:21:09,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-03 16:21:09,417 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-03-03 16:21:09,417 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-03 16:21:09,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-03 16:21:09,419 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-03 16:21:09,549 INFO L234 CfgBuilder]: Building ICFG [2022-03-03 16:21:09,564 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-03 16:21:09,968 INFO L275 CfgBuilder]: Performing block encoding [2022-03-03 16:21:10,188 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-03 16:21:10,189 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-03 16:21:10,191 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.03 04:21:10 BoogieIcfgContainer [2022-03-03 16:21:10,191 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-03 16:21:10,192 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-03 16:21:10,192 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-03 16:21:10,195 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-03 16:21:10,195 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.03 04:21:08" (1/3) ... [2022-03-03 16:21:10,195 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69146325 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 04:21:10, skipping insertion in model container [2022-03-03 16:21:10,195 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 04:21:09" (2/3) ... [2022-03-03 16:21:10,196 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69146325 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 04:21:10, skipping insertion in model container [2022-03-03 16:21:10,196 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.03 04:21:10" (3/3) ... [2022-03-03 16:21:10,197 INFO L111 eAbstractionObserver]: Analyzing ICFG mix055_tso.oepc.i [2022-03-03 16:21:10,200 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-03 16:21:10,201 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-03 16:21:10,201 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-03-03 16:21:10,201 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-03 16:21:10,234 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:21:10,234 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:21:10,234 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:21:10,235 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:21:10,235 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:21:10,235 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:21:10,235 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:21:10,235 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:21:10,235 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:21:10,235 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:21:10,235 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:21:10,235 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:21:10,236 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:21:10,236 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:21:10,236 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:21:10,236 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:21:10,236 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:21:10,237 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:21:10,237 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:21:10,237 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:21:10,237 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:21:10,237 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:21:10,238 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:21:10,238 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:21:10,238 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:21:10,238 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:21:10,238 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:21:10,238 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:21:10,238 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:21:10,239 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:21:10,239 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:21:10,239 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:21:10,239 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:21:10,239 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:21:10,239 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:21:10,239 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:21:10,240 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:21:10,240 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:21:10,240 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:21:10,240 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:21:10,240 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:21:10,240 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:21:10,241 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:21:10,241 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:21:10,241 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:21:10,241 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:21:10,241 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:21:10,241 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:21:10,242 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:21:10,242 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:21:10,242 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:21:10,242 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:21:10,242 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:21:10,242 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:21:10,243 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:21:10,243 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:21:10,243 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:21:10,243 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:21:10,244 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:21:10,244 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:21:10,244 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:21:10,244 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:21:10,244 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:21:10,244 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:21:10,244 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:21:10,245 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:21:10,245 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:21:10,245 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:21:10,245 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:21:10,245 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:21:10,245 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:21:10,245 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:21:10,245 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:21:10,245 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:21:10,246 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:21:10,246 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:21:10,246 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:21:10,246 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:21:10,246 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:21:10,247 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:21:10,247 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:21:10,247 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:21:10,247 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:21:10,248 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:21:10,249 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:21:10,249 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:21:10,250 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:21:10,252 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:21:10,256 WARN L322 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:21:10,256 WARN L322 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:21:10,256 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:21:10,257 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:21:10,257 WARN L322 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:21:10,257 WARN L322 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:21:10,257 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:21:10,257 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:21:10,257 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:21:10,257 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:21:10,257 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:21:10,258 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:21:10,258 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:21:10,259 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:21:10,259 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:21:10,259 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:21:10,259 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:21:10,259 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:21:10,259 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:21:10,259 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:21:10,260 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:21:10,261 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:21:10,261 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:21:10,261 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:21:10,264 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:21:10,264 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:21:10,264 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:21:10,264 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:21:10,264 WARN L322 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:21:10,265 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:21:10,265 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:21:10,265 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:21:10,265 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:21:10,265 WARN L322 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:21:10,266 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:21:10,266 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:21:10,266 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:21:10,266 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:21:10,266 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:21:10,266 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:21:10,267 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:21:10,267 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:21:10,267 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:21:10,267 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:21:10,267 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:21:10,267 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:21:10,268 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:21:10,268 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:21:10,268 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:21:10,268 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:21:10,268 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:21:10,268 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:21:10,268 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:21:10,268 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:21:10,268 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:21:10,269 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:21:10,269 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:21:10,269 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:21:10,269 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:21:10,269 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:21:10,269 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:21:10,269 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:21:10,270 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:21:10,270 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:21:10,270 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:21:10,270 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 16:21:10,270 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-03-03 16:21:10,302 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-03 16:21:10,308 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, mLazyFiniteAutomaton=false, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=true [2022-03-03 16:21:10,309 INFO L340 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2022-03-03 16:21:10,322 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 146 places, 135 transitions, 290 flow [2022-03-03 16:21:14,032 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 115230 states, 115227 states have (on average 4.441945030244647) internal successors, (511832), 115229 states have internal predecessors, (511832), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:21:14,294 INFO L276 IsEmpty]: Start isEmpty. Operand has 115230 states, 115227 states have (on average 4.441945030244647) internal successors, (511832), 115229 states have internal predecessors, (511832), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:21:14,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-03-03 16:21:14,302 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 16:21:14,303 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 16:21:14,304 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting P1Err0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 16:21:14,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 16:21:14,311 INFO L85 PathProgramCache]: Analyzing trace with hash 1002759170, now seen corresponding path program 1 times [2022-03-03 16:21:14,320 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 16:21:14,320 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [803613195] [2022-03-03 16:21:14,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 16:21:14,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 16:21:14,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 16:21:14,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 16:21:14,631 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 16:21:14,632 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [803613195] [2022-03-03 16:21:14,632 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [803613195] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 16:21:14,632 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 16:21:14,632 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-03 16:21:14,634 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [276122716] [2022-03-03 16:21:14,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 16:21:14,637 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-03 16:21:14,638 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 16:21:14,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-03 16:21:14,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-03 16:21:15,250 INFO L87 Difference]: Start difference. First operand has 115230 states, 115227 states have (on average 4.441945030244647) internal successors, (511832), 115229 states have internal predecessors, (511832), 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 27.5) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:21:16,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 16:21:16,795 INFO L93 Difference]: Finished difference Result 96294 states and 419623 transitions. [2022-03-03 16:21:16,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-03 16:21:16,804 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 27.5) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2022-03-03 16:21:16,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 16:21:17,699 INFO L225 Difference]: With dead ends: 96294 [2022-03-03 16:21:17,699 INFO L226 Difference]: Without dead ends: 77862 [2022-03-03 16:21:17,700 INFO L932 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 [2022-03-03 16:21:17,703 INFO L933 BasicCegarLoop]: 116 mSDtfsCounter, 62 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 196 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-03 16:21:17,703 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [62 Valid, 196 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-03 16:21:17,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77862 states. [2022-03-03 16:21:21,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77862 to 77862. [2022-03-03 16:21:21,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77862 states, 77861 states have (on average 4.393149330216668) internal successors, (342055), 77861 states have internal predecessors, (342055), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:21:22,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77862 states to 77862 states and 342055 transitions. [2022-03-03 16:21:22,290 INFO L78 Accepts]: Start accepts. Automaton has 77862 states and 342055 transitions. Word has length 55 [2022-03-03 16:21:22,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 16:21:22,292 INFO L470 AbstractCegarLoop]: Abstraction has 77862 states and 342055 transitions. [2022-03-03 16:21:22,292 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 27.5) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:21:22,293 INFO L276 IsEmpty]: Start isEmpty. Operand 77862 states and 342055 transitions. [2022-03-03 16:21:22,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-03-03 16:21:22,416 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 16:21:22,416 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 16:21:22,416 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-03 16:21:22,417 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 16:21:22,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 16:21:22,420 INFO L85 PathProgramCache]: Analyzing trace with hash -425080699, now seen corresponding path program 1 times [2022-03-03 16:21:22,420 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 16:21:22,420 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1371796773] [2022-03-03 16:21:22,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 16:21:22,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 16:21:22,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 16:21:22,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 16:21:22,643 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 16:21:22,644 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1371796773] [2022-03-03 16:21:22,644 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1371796773] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 16:21:22,644 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 16:21:22,644 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-03-03 16:21:22,644 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [214027490] [2022-03-03 16:21:22,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 16:21:22,646 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-03 16:21:22,646 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 16:21:22,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-03 16:21:22,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-03-03 16:21:22,650 INFO L87 Difference]: Start difference. First operand 77862 states and 342055 transitions. Second operand has 6 states, 6 states have (on average 14.0) internal successors, (84), 6 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:21:24,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 16:21:24,272 INFO L93 Difference]: Finished difference Result 95654 states and 417735 transitions. [2022-03-03 16:21:24,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-03 16:21:24,275 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.0) internal successors, (84), 6 states have internal predecessors, (84), 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 84 [2022-03-03 16:21:24,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 16:21:24,902 INFO L225 Difference]: With dead ends: 95654 [2022-03-03 16:21:24,902 INFO L226 Difference]: Without dead ends: 75174 [2022-03-03 16:21:24,903 INFO L932 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 [2022-03-03 16:21:24,904 INFO L933 BasicCegarLoop]: 168 mSDtfsCounter, 171 mSDsluCounter, 572 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 673 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-03 16:21:24,904 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [171 Valid, 673 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-03 16:21:25,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75174 states. [2022-03-03 16:21:27,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75174 to 75174. [2022-03-03 16:21:27,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75174 states, 75173 states have (on average 4.3803892354967875) internal successors, (329287), 75173 states have internal predecessors, (329287), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:21:28,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75174 states to 75174 states and 329287 transitions. [2022-03-03 16:21:28,473 INFO L78 Accepts]: Start accepts. Automaton has 75174 states and 329287 transitions. Word has length 84 [2022-03-03 16:21:28,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 16:21:28,474 INFO L470 AbstractCegarLoop]: Abstraction has 75174 states and 329287 transitions. [2022-03-03 16:21:28,474 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.0) internal successors, (84), 6 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:21:28,474 INFO L276 IsEmpty]: Start isEmpty. Operand 75174 states and 329287 transitions. [2022-03-03 16:21:28,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-03-03 16:21:28,581 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 16:21:28,581 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 16:21:28,581 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-03 16:21:28,581 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 16:21:28,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 16:21:28,582 INFO L85 PathProgramCache]: Analyzing trace with hash -2040871164, now seen corresponding path program 1 times [2022-03-03 16:21:28,582 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 16:21:28,582 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1028916180] [2022-03-03 16:21:28,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 16:21:28,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 16:21:28,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 16:21:28,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 16:21:28,840 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 16:21:28,840 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1028916180] [2022-03-03 16:21:28,842 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1028916180] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 16:21:28,842 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 16:21:28,842 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-03-03 16:21:28,842 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [305271228] [2022-03-03 16:21:28,842 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 16:21:28,842 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-03-03 16:21:28,843 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 16:21:28,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-03-03 16:21:28,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2022-03-03 16:21:28,844 INFO L87 Difference]: Start difference. First operand 75174 states and 329287 transitions. Second operand has 11 states, 11 states have (on average 7.818181818181818) internal successors, (86), 11 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:21:30,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 16:21:30,363 INFO L93 Difference]: Finished difference Result 92894 states and 404535 transitions. [2022-03-03 16:21:30,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-03-03 16:21:30,363 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 7.818181818181818) internal successors, (86), 11 states have internal predecessors, (86), 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 86 [2022-03-03 16:21:30,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 16:21:30,765 INFO L225 Difference]: With dead ends: 92894 [2022-03-03 16:21:30,765 INFO L226 Difference]: Without dead ends: 74334 [2022-03-03 16:21:30,766 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=110, Invalid=232, Unknown=0, NotChecked=0, Total=342 [2022-03-03 16:21:30,766 INFO L933 BasicCegarLoop]: 168 mSDtfsCounter, 467 mSDsluCounter, 681 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 467 SdHoareTripleChecker+Valid, 820 SdHoareTripleChecker+Invalid, 177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-03 16:21:30,767 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [467 Valid, 820 Invalid, 177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-03 16:21:30,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74334 states. [2022-03-03 16:21:33,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74334 to 74334. [2022-03-03 16:21:33,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74334 states, 74333 states have (on average 4.373387324606837) internal successors, (325087), 74333 states have internal predecessors, (325087), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:21:34,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74334 states to 74334 states and 325087 transitions. [2022-03-03 16:21:34,499 INFO L78 Accepts]: Start accepts. Automaton has 74334 states and 325087 transitions. Word has length 86 [2022-03-03 16:21:34,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 16:21:34,500 INFO L470 AbstractCegarLoop]: Abstraction has 74334 states and 325087 transitions. [2022-03-03 16:21:34,500 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.818181818181818) internal successors, (86), 11 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:21:34,500 INFO L276 IsEmpty]: Start isEmpty. Operand 74334 states and 325087 transitions. [2022-03-03 16:21:34,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-03-03 16:21:34,625 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 16:21:34,625 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 16:21:34,625 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-03-03 16:21:34,625 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 16:21:34,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 16:21:34,626 INFO L85 PathProgramCache]: Analyzing trace with hash 134020999, now seen corresponding path program 1 times [2022-03-03 16:21:34,626 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 16:21:34,626 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995316656] [2022-03-03 16:21:34,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 16:21:34,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 16:21:34,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 16:21:34,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 16:21:34,949 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 16:21:34,949 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1995316656] [2022-03-03 16:21:34,949 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1995316656] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 16:21:34,950 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 16:21:34,950 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-03-03 16:21:34,950 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1999929006] [2022-03-03 16:21:34,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 16:21:34,950 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-03-03 16:21:34,950 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 16:21:34,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-03-03 16:21:34,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2022-03-03 16:21:34,951 INFO L87 Difference]: Start difference. First operand 74334 states and 325087 transitions. Second operand has 14 states, 14 states have (on average 6.285714285714286) internal successors, (88), 14 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:21:36,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 16:21:36,340 INFO L93 Difference]: Finished difference Result 90462 states and 393407 transitions. [2022-03-03 16:21:36,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-03-03 16:21:36,341 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 6.285714285714286) internal successors, (88), 14 states have internal predecessors, (88), 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 88 [2022-03-03 16:21:36,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 16:21:37,110 INFO L225 Difference]: With dead ends: 90462 [2022-03-03 16:21:37,110 INFO L226 Difference]: Without dead ends: 74622 [2022-03-03 16:21:37,110 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=140, Invalid=322, Unknown=0, NotChecked=0, Total=462 [2022-03-03 16:21:37,114 INFO L933 BasicCegarLoop]: 168 mSDtfsCounter, 453 mSDsluCounter, 1154 mSDsCounter, 0 mSdLazyCounter, 248 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 453 SdHoareTripleChecker+Valid, 1284 SdHoareTripleChecker+Invalid, 285 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 248 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-03-03 16:21:37,115 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [453 Valid, 1284 Invalid, 285 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 248 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-03-03 16:21:37,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74622 states. [2022-03-03 16:21:39,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74622 to 72318. [2022-03-03 16:21:39,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72318 states, 72317 states have (on average 4.365211499370826) internal successors, (315679), 72317 states have internal predecessors, (315679), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:21:40,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72318 states to 72318 states and 315679 transitions. [2022-03-03 16:21:40,132 INFO L78 Accepts]: Start accepts. Automaton has 72318 states and 315679 transitions. Word has length 88 [2022-03-03 16:21:40,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 16:21:40,133 INFO L470 AbstractCegarLoop]: Abstraction has 72318 states and 315679 transitions. [2022-03-03 16:21:40,133 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 6.285714285714286) internal successors, (88), 14 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:21:40,133 INFO L276 IsEmpty]: Start isEmpty. Operand 72318 states and 315679 transitions. [2022-03-03 16:21:40,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-03-03 16:21:40,246 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 16:21:40,246 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 16:21:40,246 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-03-03 16:21:40,246 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 16:21:40,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 16:21:40,246 INFO L85 PathProgramCache]: Analyzing trace with hash 1806938232, now seen corresponding path program 1 times [2022-03-03 16:21:40,247 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 16:21:40,247 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1402575966] [2022-03-03 16:21:40,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 16:21:40,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 16:21:40,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 16:21:40,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 16:21:40,741 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 16:21:40,741 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1402575966] [2022-03-03 16:21:40,741 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1402575966] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 16:21:40,741 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 16:21:40,741 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-03-03 16:21:40,742 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2041790886] [2022-03-03 16:21:40,742 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 16:21:40,743 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-03 16:21:40,743 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 16:21:40,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-03 16:21:40,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2022-03-03 16:21:40,744 INFO L87 Difference]: Start difference. First operand 72318 states and 315679 transitions. Second operand has 10 states, 10 states have (on average 8.9) internal successors, (89), 10 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:21:42,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 16:21:42,009 INFO L93 Difference]: Finished difference Result 85370 states and 370991 transitions. [2022-03-03 16:21:42,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-03-03 16:21:42,010 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.9) internal successors, (89), 10 states have internal predecessors, (89), 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 89 [2022-03-03 16:21:42,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 16:21:42,401 INFO L225 Difference]: With dead ends: 85370 [2022-03-03 16:21:42,401 INFO L226 Difference]: Without dead ends: 73290 [2022-03-03 16:21:42,401 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=117, Invalid=225, Unknown=0, NotChecked=0, Total=342 [2022-03-03 16:21:42,402 INFO L933 BasicCegarLoop]: 217 mSDtfsCounter, 378 mSDsluCounter, 1001 mSDsCounter, 0 mSdLazyCounter, 211 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 378 SdHoareTripleChecker+Valid, 1181 SdHoareTripleChecker+Invalid, 249 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 211 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-03 16:21:42,402 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [378 Valid, 1181 Invalid, 249 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 211 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-03 16:21:42,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73290 states. [2022-03-03 16:21:45,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73290 to 73290. [2022-03-03 16:21:45,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73290 states, 73289 states have (on average 4.366562512791824) internal successors, (320021), 73289 states have internal predecessors, (320021), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:21:46,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73290 states to 73290 states and 320021 transitions. [2022-03-03 16:21:46,007 INFO L78 Accepts]: Start accepts. Automaton has 73290 states and 320021 transitions. Word has length 89 [2022-03-03 16:21:46,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 16:21:46,008 INFO L470 AbstractCegarLoop]: Abstraction has 73290 states and 320021 transitions. [2022-03-03 16:21:46,008 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.9) internal successors, (89), 10 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:21:46,008 INFO L276 IsEmpty]: Start isEmpty. Operand 73290 states and 320021 transitions. [2022-03-03 16:21:46,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-03-03 16:21:46,473 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 16:21:46,473 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 16:21:46,475 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-03-03 16:21:46,476 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 16:21:46,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 16:21:46,476 INFO L85 PathProgramCache]: Analyzing trace with hash 522071878, now seen corresponding path program 1 times [2022-03-03 16:21:46,477 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 16:21:46,477 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [517672965] [2022-03-03 16:21:46,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 16:21:46,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 16:21:46,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 16:21:46,859 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 16:21:46,859 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 16:21:46,860 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [517672965] [2022-03-03 16:21:46,860 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [517672965] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 16:21:46,860 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 16:21:46,860 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-03 16:21:46,860 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131386021] [2022-03-03 16:21:46,860 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 16:21:46,860 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-03-03 16:21:46,860 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 16:21:46,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-03-03 16:21:46,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2022-03-03 16:21:46,861 INFO L87 Difference]: Start difference. First operand 73290 states and 320021 transitions. Second operand has 12 states, 12 states have (on average 7.5) internal successors, (90), 12 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:21:48,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 16:21:48,226 INFO L93 Difference]: Finished difference Result 80570 states and 349753 transitions. [2022-03-03 16:21:48,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-03 16:21:48,227 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 7.5) internal successors, (90), 12 states have internal predecessors, (90), 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 90 [2022-03-03 16:21:48,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 16:21:48,686 INFO L225 Difference]: With dead ends: 80570 [2022-03-03 16:21:48,686 INFO L226 Difference]: Without dead ends: 69370 [2022-03-03 16:21:48,687 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2022-03-03 16:21:48,688 INFO L933 BasicCegarLoop]: 199 mSDtfsCounter, 336 mSDsluCounter, 1019 mSDsCounter, 0 mSdLazyCounter, 218 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 336 SdHoareTripleChecker+Valid, 1177 SdHoareTripleChecker+Invalid, 245 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 218 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-03 16:21:48,688 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [336 Valid, 1177 Invalid, 245 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 218 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-03 16:21:48,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69370 states. [2022-03-03 16:21:51,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69370 to 68258. [2022-03-03 16:21:51,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68258 states, 68257 states have (on average 4.3557583837555125) internal successors, (297311), 68257 states have internal predecessors, (297311), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:21:51,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68258 states to 68258 states and 297311 transitions. [2022-03-03 16:21:51,451 INFO L78 Accepts]: Start accepts. Automaton has 68258 states and 297311 transitions. Word has length 90 [2022-03-03 16:21:51,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 16:21:51,452 INFO L470 AbstractCegarLoop]: Abstraction has 68258 states and 297311 transitions. [2022-03-03 16:21:51,452 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.5) internal successors, (90), 12 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:21:51,452 INFO L276 IsEmpty]: Start isEmpty. Operand 68258 states and 297311 transitions. [2022-03-03 16:21:51,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-03-03 16:21:51,892 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 16:21:51,892 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 16:21:51,892 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-03-03 16:21:51,892 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 16:21:51,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 16:21:51,893 INFO L85 PathProgramCache]: Analyzing trace with hash -1184294681, now seen corresponding path program 1 times [2022-03-03 16:21:51,893 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 16:21:51,893 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1365974951] [2022-03-03 16:21:51,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 16:21:51,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 16:21:51,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 16:21:52,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 16:21:52,012 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 16:21:52,012 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1365974951] [2022-03-03 16:21:52,012 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1365974951] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 16:21:52,013 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 16:21:52,013 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-03-03 16:21:52,013 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1636348092] [2022-03-03 16:21:52,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 16:21:52,014 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-03 16:21:52,014 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 16:21:52,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-03 16:21:52,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-03-03 16:21:52,014 INFO L87 Difference]: Start difference. First operand 68258 states and 297311 transitions. Second operand has 6 states, 6 states have (on average 15.0) internal successors, (90), 6 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:21:53,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 16:21:53,002 INFO L93 Difference]: Finished difference Result 82163 states and 353125 transitions. [2022-03-03 16:21:53,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-03 16:21:53,003 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.0) internal successors, (90), 6 states have internal predecessors, (90), 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 90 [2022-03-03 16:21:53,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 16:21:53,390 INFO L225 Difference]: With dead ends: 82163 [2022-03-03 16:21:53,390 INFO L226 Difference]: Without dead ends: 61683 [2022-03-03 16:21:53,390 INFO L932 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 [2022-03-03 16:21:53,391 INFO L933 BasicCegarLoop]: 132 mSDtfsCounter, 233 mSDsluCounter, 404 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 233 SdHoareTripleChecker+Valid, 482 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-03 16:21:53,391 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [233 Valid, 482 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-03 16:21:53,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61683 states. [2022-03-03 16:21:55,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61683 to 61683. [2022-03-03 16:21:55,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61683 states, 61682 states have (on average 4.287085373366622) internal successors, (264436), 61682 states have internal predecessors, (264436), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:21:55,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61683 states to 61683 states and 264436 transitions. [2022-03-03 16:21:55,915 INFO L78 Accepts]: Start accepts. Automaton has 61683 states and 264436 transitions. Word has length 90 [2022-03-03 16:21:55,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 16:21:55,915 INFO L470 AbstractCegarLoop]: Abstraction has 61683 states and 264436 transitions. [2022-03-03 16:21:55,915 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.0) internal successors, (90), 6 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:21:55,915 INFO L276 IsEmpty]: Start isEmpty. Operand 61683 states and 264436 transitions. [2022-03-03 16:21:56,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-03-03 16:21:56,036 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 16:21:56,036 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 16:21:56,036 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-03-03 16:21:56,037 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 16:21:56,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 16:21:56,037 INFO L85 PathProgramCache]: Analyzing trace with hash -1945382178, now seen corresponding path program 1 times [2022-03-03 16:21:56,037 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 16:21:56,037 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649222082] [2022-03-03 16:21:56,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 16:21:56,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 16:21:56,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 16:21:56,143 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 16:21:56,143 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 16:21:56,143 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1649222082] [2022-03-03 16:21:56,144 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1649222082] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 16:21:56,144 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 16:21:56,144 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-03-03 16:21:56,144 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1610117394] [2022-03-03 16:21:56,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 16:21:56,144 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-03-03 16:21:56,144 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 16:21:56,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-03-03 16:21:56,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-03-03 16:21:56,145 INFO L87 Difference]: Start difference. First operand 61683 states and 264436 transitions. Second operand has 7 states, 7 states have (on average 13.0) internal successors, (91), 7 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:21:57,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 16:21:57,052 INFO L93 Difference]: Finished difference Result 60696 states and 253404 transitions. [2022-03-03 16:21:57,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-03 16:21:57,054 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.0) internal successors, (91), 7 states have internal predecessors, (91), 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 91 [2022-03-03 16:21:57,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 16:21:57,240 INFO L225 Difference]: With dead ends: 60696 [2022-03-03 16:21:57,240 INFO L226 Difference]: Without dead ends: 43341 [2022-03-03 16:21:57,241 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2022-03-03 16:21:57,241 INFO L933 BasicCegarLoop]: 132 mSDtfsCounter, 395 mSDsluCounter, 494 mSDsCounter, 0 mSdLazyCounter, 151 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 395 SdHoareTripleChecker+Valid, 555 SdHoareTripleChecker+Invalid, 173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 151 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-03 16:21:57,241 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [395 Valid, 555 Invalid, 173 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 151 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-03 16:21:57,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43341 states. [2022-03-03 16:21:58,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43341 to 43341. [2022-03-03 16:21:58,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43341 states, 43340 states have (on average 4.126442085832949) internal successors, (178840), 43340 states have internal predecessors, (178840), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:21:58,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43341 states to 43341 states and 178840 transitions. [2022-03-03 16:21:58,748 INFO L78 Accepts]: Start accepts. Automaton has 43341 states and 178840 transitions. Word has length 91 [2022-03-03 16:21:58,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 16:21:58,748 INFO L470 AbstractCegarLoop]: Abstraction has 43341 states and 178840 transitions. [2022-03-03 16:21:58,748 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.0) internal successors, (91), 7 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:21:58,748 INFO L276 IsEmpty]: Start isEmpty. Operand 43341 states and 178840 transitions. [2022-03-03 16:21:58,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-03-03 16:21:58,826 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 16:21:58,826 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 16:21:58,826 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-03-03 16:21:58,826 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 16:21:58,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 16:21:58,827 INFO L85 PathProgramCache]: Analyzing trace with hash 1848894097, now seen corresponding path program 1 times [2022-03-03 16:21:58,827 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 16:21:58,827 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [458264794] [2022-03-03 16:21:58,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 16:21:58,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 16:21:58,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 16:21:58,929 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 16:21:58,929 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 16:21:58,929 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [458264794] [2022-03-03 16:21:58,929 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [458264794] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 16:21:58,929 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 16:21:58,930 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-03-03 16:21:58,930 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [952996823] [2022-03-03 16:21:58,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 16:21:58,930 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-03 16:21:58,930 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 16:21:58,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-03 16:21:58,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-03-03 16:21:58,931 INFO L87 Difference]: Start difference. First operand 43341 states and 178840 transitions. Second operand has 6 states, 6 states have (on average 15.666666666666666) internal successors, (94), 6 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:21:59,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 16:21:59,817 INFO L93 Difference]: Finished difference Result 71178 states and 292120 transitions. [2022-03-03 16:21:59,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-03 16:21:59,817 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.666666666666666) internal successors, (94), 6 states have internal predecessors, (94), 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 94 [2022-03-03 16:21:59,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 16:22:00,004 INFO L225 Difference]: With dead ends: 71178 [2022-03-03 16:22:00,004 INFO L226 Difference]: Without dead ends: 46113 [2022-03-03 16:22:00,004 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-03-03 16:22:00,005 INFO L933 BasicCegarLoop]: 196 mSDtfsCounter, 164 mSDsluCounter, 699 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 164 SdHoareTripleChecker+Valid, 810 SdHoareTripleChecker+Invalid, 144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-03 16:22:00,005 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [164 Valid, 810 Invalid, 144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-03 16:22:00,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46113 states. [2022-03-03 16:22:01,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46113 to 41703. [2022-03-03 16:22:01,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41703 states, 41702 states have (on average 4.0660879574121145) internal successors, (169564), 41702 states have internal predecessors, (169564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:22:01,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41703 states to 41703 states and 169564 transitions. [2022-03-03 16:22:01,606 INFO L78 Accepts]: Start accepts. Automaton has 41703 states and 169564 transitions. Word has length 94 [2022-03-03 16:22:01,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 16:22:01,606 INFO L470 AbstractCegarLoop]: Abstraction has 41703 states and 169564 transitions. [2022-03-03 16:22:01,606 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.666666666666666) internal successors, (94), 6 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:22:01,607 INFO L276 IsEmpty]: Start isEmpty. Operand 41703 states and 169564 transitions. [2022-03-03 16:22:01,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-03-03 16:22:01,686 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 16:22:01,686 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 16:22:01,686 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-03-03 16:22:01,686 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 16:22:01,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 16:22:01,687 INFO L85 PathProgramCache]: Analyzing trace with hash 1742386606, now seen corresponding path program 1 times [2022-03-03 16:22:01,687 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 16:22:01,687 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1520610697] [2022-03-03 16:22:01,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 16:22:01,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 16:22:01,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 16:22:01,814 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 16:22:01,814 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 16:22:01,814 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1520610697] [2022-03-03 16:22:01,814 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1520610697] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 16:22:01,814 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 16:22:01,814 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-03-03 16:22:01,814 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1817365862] [2022-03-03 16:22:01,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 16:22:01,815 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-03-03 16:22:01,815 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 16:22:01,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-03-03 16:22:01,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-03-03 16:22:01,815 INFO L87 Difference]: Start difference. First operand 41703 states and 169564 transitions. Second operand has 8 states, 8 states have (on average 11.75) internal successors, (94), 8 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:22:02,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 16:22:02,505 INFO L93 Difference]: Finished difference Result 34836 states and 138232 transitions. [2022-03-03 16:22:02,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-03 16:22:02,506 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.75) internal successors, (94), 8 states have internal predecessors, (94), 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 94 [2022-03-03 16:22:02,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 16:22:02,596 INFO L225 Difference]: With dead ends: 34836 [2022-03-03 16:22:02,596 INFO L226 Difference]: Without dead ends: 24981 [2022-03-03 16:22:02,596 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2022-03-03 16:22:02,597 INFO L933 BasicCegarLoop]: 132 mSDtfsCounter, 576 mSDsluCounter, 575 mSDsCounter, 0 mSdLazyCounter, 174 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 576 SdHoareTripleChecker+Valid, 620 SdHoareTripleChecker+Invalid, 207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 174 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-03 16:22:02,597 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [576 Valid, 620 Invalid, 207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 174 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-03 16:22:02,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24981 states. [2022-03-03 16:22:03,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24981 to 24981. [2022-03-03 16:22:03,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24981 states, 24980 states have (on average 3.9246597277822257) internal successors, (98038), 24980 states have internal predecessors, (98038), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:22:03,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24981 states to 24981 states and 98038 transitions. [2022-03-03 16:22:03,376 INFO L78 Accepts]: Start accepts. Automaton has 24981 states and 98038 transitions. Word has length 94 [2022-03-03 16:22:03,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 16:22:03,377 INFO L470 AbstractCegarLoop]: Abstraction has 24981 states and 98038 transitions. [2022-03-03 16:22:03,377 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.75) internal successors, (94), 8 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:22:03,377 INFO L276 IsEmpty]: Start isEmpty. Operand 24981 states and 98038 transitions. [2022-03-03 16:22:03,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-03-03 16:22:03,424 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 16:22:03,424 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 16:22:03,424 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-03-03 16:22:03,424 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 16:22:03,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 16:22:03,425 INFO L85 PathProgramCache]: Analyzing trace with hash -1237814365, now seen corresponding path program 1 times [2022-03-03 16:22:03,425 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 16:22:03,425 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1419332574] [2022-03-03 16:22:03,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 16:22:03,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 16:22:03,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 16:22:03,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 16:22:03,516 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 16:22:03,517 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1419332574] [2022-03-03 16:22:03,517 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1419332574] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 16:22:03,517 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 16:22:03,517 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-03-03 16:22:03,517 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [301300727] [2022-03-03 16:22:03,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 16:22:03,517 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-03-03 16:22:03,517 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 16:22:03,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-03-03 16:22:03,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-03-03 16:22:03,518 INFO L87 Difference]: Start difference. First operand 24981 states and 98038 transitions. Second operand has 7 states, 7 states have (on average 14.142857142857142) internal successors, (99), 7 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:22:04,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 16:22:04,187 INFO L93 Difference]: Finished difference Result 37734 states and 147727 transitions. [2022-03-03 16:22:04,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-03 16:22:04,188 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.142857142857142) internal successors, (99), 7 states have internal predecessors, (99), 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 99 [2022-03-03 16:22:04,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 16:22:04,279 INFO L225 Difference]: With dead ends: 37734 [2022-03-03 16:22:04,279 INFO L226 Difference]: Without dead ends: 25494 [2022-03-03 16:22:04,279 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-03-03 16:22:04,279 INFO L933 BasicCegarLoop]: 211 mSDtfsCounter, 147 mSDsluCounter, 866 mSDsCounter, 0 mSdLazyCounter, 167 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 972 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 167 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-03 16:22:04,280 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [147 Valid, 972 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 167 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-03 16:22:04,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25494 states. [2022-03-03 16:22:05,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25494 to 24549. [2022-03-03 16:22:05,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24549 states, 24548 states have (on average 3.863940035848134) internal successors, (94852), 24548 states have internal predecessors, (94852), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:22:05,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24549 states to 24549 states and 94852 transitions. [2022-03-03 16:22:05,130 INFO L78 Accepts]: Start accepts. Automaton has 24549 states and 94852 transitions. Word has length 99 [2022-03-03 16:22:05,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 16:22:05,131 INFO L470 AbstractCegarLoop]: Abstraction has 24549 states and 94852 transitions. [2022-03-03 16:22:05,131 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.142857142857142) internal successors, (99), 7 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:22:05,131 INFO L276 IsEmpty]: Start isEmpty. Operand 24549 states and 94852 transitions. [2022-03-03 16:22:05,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-03-03 16:22:05,179 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 16:22:05,179 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 16:22:05,180 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-03-03 16:22:05,180 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 16:22:05,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 16:22:05,180 INFO L85 PathProgramCache]: Analyzing trace with hash 1900605151, now seen corresponding path program 2 times [2022-03-03 16:22:05,180 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 16:22:05,180 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2013506805] [2022-03-03 16:22:05,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 16:22:05,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 16:22:05,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 16:22:05,687 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 16:22:05,687 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 16:22:05,687 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2013506805] [2022-03-03 16:22:05,687 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2013506805] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 16:22:05,687 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 16:22:05,687 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2022-03-03 16:22:05,687 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235144371] [2022-03-03 16:22:05,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 16:22:05,688 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-03-03 16:22:05,688 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 16:22:05,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-03-03 16:22:05,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2022-03-03 16:22:05,688 INFO L87 Difference]: Start difference. First operand 24549 states and 94852 transitions. Second operand has 15 states, 15 states have (on average 6.6) internal successors, (99), 15 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:22:06,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 16:22:06,523 INFO L93 Difference]: Finished difference Result 39597 states and 151591 transitions. [2022-03-03 16:22:06,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-03-03 16:22:06,523 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 6.6) internal successors, (99), 15 states have internal predecessors, (99), 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 99 [2022-03-03 16:22:06,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 16:22:06,673 INFO L225 Difference]: With dead ends: 39597 [2022-03-03 16:22:06,673 INFO L226 Difference]: Without dead ends: 29274 [2022-03-03 16:22:06,673 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=125, Invalid=295, Unknown=0, NotChecked=0, Total=420 [2022-03-03 16:22:06,674 INFO L933 BasicCegarLoop]: 230 mSDtfsCounter, 406 mSDsluCounter, 1416 mSDsCounter, 0 mSdLazyCounter, 283 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 406 SdHoareTripleChecker+Valid, 1598 SdHoareTripleChecker+Invalid, 325 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 283 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-03 16:22:06,674 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [406 Valid, 1598 Invalid, 325 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 283 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-03 16:22:06,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29274 states. [2022-03-03 16:22:07,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29274 to 25229. [2022-03-03 16:22:07,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25229 states, 25228 states have (on average 3.832844458538132) internal successors, (96695), 25228 states have internal predecessors, (96695), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:22:07,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25229 states to 25229 states and 96695 transitions. [2022-03-03 16:22:07,498 INFO L78 Accepts]: Start accepts. Automaton has 25229 states and 96695 transitions. Word has length 99 [2022-03-03 16:22:07,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 16:22:07,498 INFO L470 AbstractCegarLoop]: Abstraction has 25229 states and 96695 transitions. [2022-03-03 16:22:07,498 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 6.6) internal successors, (99), 15 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:22:07,499 INFO L276 IsEmpty]: Start isEmpty. Operand 25229 states and 96695 transitions. [2022-03-03 16:22:07,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-03-03 16:22:07,554 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 16:22:07,554 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 16:22:07,554 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-03-03 16:22:07,554 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 16:22:07,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 16:22:07,555 INFO L85 PathProgramCache]: Analyzing trace with hash -177960673, now seen corresponding path program 3 times [2022-03-03 16:22:07,555 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 16:22:07,555 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837584372] [2022-03-03 16:22:07,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 16:22:07,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 16:22:07,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 16:22:07,657 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 16:22:07,657 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 16:22:07,657 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [837584372] [2022-03-03 16:22:07,657 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [837584372] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 16:22:07,657 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 16:22:07,658 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-03 16:22:07,658 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1791015132] [2022-03-03 16:22:07,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 16:22:07,658 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-03-03 16:22:07,658 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 16:22:07,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-03-03 16:22:07,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-03-03 16:22:07,659 INFO L87 Difference]: Start difference. First operand 25229 states and 96695 transitions. Second operand has 9 states, 9 states have (on average 11.0) internal successors, (99), 9 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:22:08,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 16:22:08,007 INFO L93 Difference]: Finished difference Result 20747 states and 78794 transitions. [2022-03-03 16:22:08,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-03 16:22:08,008 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.0) internal successors, (99), 9 states have internal predecessors, (99), 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 99 [2022-03-03 16:22:08,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 16:22:08,034 INFO L225 Difference]: With dead ends: 20747 [2022-03-03 16:22:08,035 INFO L226 Difference]: Without dead ends: 7759 [2022-03-03 16:22:08,035 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=76, Invalid=196, Unknown=0, NotChecked=0, Total=272 [2022-03-03 16:22:08,035 INFO L933 BasicCegarLoop]: 126 mSDtfsCounter, 577 mSDsluCounter, 553 mSDsCounter, 0 mSdLazyCounter, 183 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 577 SdHoareTripleChecker+Valid, 603 SdHoareTripleChecker+Invalid, 224 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-03 16:22:08,036 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [577 Valid, 603 Invalid, 224 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 183 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-03 16:22:08,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7759 states. [2022-03-03 16:22:08,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7759 to 6859. [2022-03-03 16:22:08,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6859 states, 6858 states have (on average 3.7279090113735784) internal successors, (25566), 6858 states have internal predecessors, (25566), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:22:08,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6859 states to 6859 states and 25566 transitions. [2022-03-03 16:22:08,439 INFO L78 Accepts]: Start accepts. Automaton has 6859 states and 25566 transitions. Word has length 99 [2022-03-03 16:22:08,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 16:22:08,439 INFO L470 AbstractCegarLoop]: Abstraction has 6859 states and 25566 transitions. [2022-03-03 16:22:08,439 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.0) internal successors, (99), 9 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:22:08,439 INFO L276 IsEmpty]: Start isEmpty. Operand 6859 states and 25566 transitions. [2022-03-03 16:22:08,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-03-03 16:22:08,451 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 16:22:08,451 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 16:22:08,452 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-03-03 16:22:08,452 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 16:22:08,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 16:22:08,452 INFO L85 PathProgramCache]: Analyzing trace with hash 1886825991, now seen corresponding path program 1 times [2022-03-03 16:22:08,452 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 16:22:08,452 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1805300917] [2022-03-03 16:22:08,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 16:22:08,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 16:22:08,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 16:22:08,737 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 16:22:08,737 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 16:22:08,737 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1805300917] [2022-03-03 16:22:08,737 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1805300917] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 16:22:08,737 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 16:22:08,737 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2022-03-03 16:22:08,737 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [826235028] [2022-03-03 16:22:08,737 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 16:22:08,738 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-03-03 16:22:08,738 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 16:22:08,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-03-03 16:22:08,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=154, Unknown=0, NotChecked=0, Total=210 [2022-03-03 16:22:08,738 INFO L87 Difference]: Start difference. First operand 6859 states and 25566 transitions. Second operand has 15 states, 15 states have (on average 6.933333333333334) internal successors, (104), 15 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:22:09,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 16:22:09,019 INFO L93 Difference]: Finished difference Result 10354 states and 39014 transitions. [2022-03-03 16:22:09,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-03 16:22:09,020 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 6.933333333333334) internal successors, (104), 15 states have internal predecessors, (104), 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 104 [2022-03-03 16:22:09,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 16:22:09,039 INFO L225 Difference]: With dead ends: 10354 [2022-03-03 16:22:09,040 INFO L226 Difference]: Without dead ends: 7077 [2022-03-03 16:22:09,040 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=109, Invalid=233, Unknown=0, NotChecked=0, Total=342 [2022-03-03 16:22:09,040 INFO L933 BasicCegarLoop]: 170 mSDtfsCounter, 385 mSDsluCounter, 955 mSDsCounter, 0 mSdLazyCounter, 166 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 385 SdHoareTripleChecker+Valid, 1089 SdHoareTripleChecker+Invalid, 208 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 166 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-03 16:22:09,040 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [385 Valid, 1089 Invalid, 208 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 166 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-03 16:22:09,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7077 states. [2022-03-03 16:22:09,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7077 to 6183. [2022-03-03 16:22:09,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6183 states, 6182 states have (on average 3.771918472986089) internal successors, (23318), 6182 states have internal predecessors, (23318), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:22:09,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6183 states to 6183 states and 23318 transitions. [2022-03-03 16:22:09,173 INFO L78 Accepts]: Start accepts. Automaton has 6183 states and 23318 transitions. Word has length 104 [2022-03-03 16:22:09,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 16:22:09,173 INFO L470 AbstractCegarLoop]: Abstraction has 6183 states and 23318 transitions. [2022-03-03 16:22:09,173 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 6.933333333333334) internal successors, (104), 15 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 16:22:09,173 INFO L276 IsEmpty]: Start isEmpty. Operand 6183 states and 23318 transitions. [2022-03-03 16:22:09,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-03-03 16:22:09,184 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 16:22:09,184 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 16:22:09,184 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-03-03 16:22:09,184 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-03 16:22:09,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 16:22:09,184 INFO L85 PathProgramCache]: Analyzing trace with hash 2119674757, now seen corresponding path program 2 times [2022-03-03 16:22:09,185 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 16:22:09,185 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1420053769] [2022-03-03 16:22:09,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 16:22:09,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 16:22:09,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-03 16:22:09,232 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-03-03 16:22:09,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-03 16:22:09,303 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-03-03 16:22:09,303 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-03-03 16:22:09,304 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 7 remaining) [2022-03-03 16:22:09,305 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err0ASSERT_VIOLATIONERROR_FUNCTION (5 of 7 remaining) [2022-03-03 16:22:09,305 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (4 of 7 remaining) [2022-03-03 16:22:09,306 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION (3 of 7 remaining) [2022-03-03 16:22:09,306 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATION (2 of 7 remaining) [2022-03-03 16:22:09,306 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3INUSE_VIOLATION (1 of 7 remaining) [2022-03-03 16:22:09,306 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 7 remaining) [2022-03-03 16:22:09,306 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-03-03 16:22:09,308 INFO L732 BasicCegarLoop]: Path program histogram: [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 16:22:09,313 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-03 16:22:09,313 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-03 16:22:09,518 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.03 04:22:09 BasicIcfg [2022-03-03 16:22:09,518 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-03 16:22:09,519 INFO L158 Benchmark]: Toolchain (without parser) took 60756.88ms. Allocated memory was 189.8MB in the beginning and 7.9GB in the end (delta: 7.8GB). Free memory was 137.8MB in the beginning and 6.8GB in the end (delta: -6.6GB). Peak memory consumption was 1.5GB. Max. memory is 8.0GB. [2022-03-03 16:22:09,519 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 189.8MB. Free memory was 155.8MB in the beginning and 155.7MB in the end (delta: 143.4kB). There was no memory consumed. Max. memory is 8.0GB. [2022-03-03 16:22:09,519 INFO L158 Benchmark]: CACSL2BoogieTranslator took 468.11ms. Allocated memory is still 189.8MB. Free memory was 137.5MB in the beginning and 153.1MB in the end (delta: -15.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-03-03 16:22:09,520 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.83ms. Allocated memory is still 189.8MB. Free memory was 153.1MB in the beginning and 150.0MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-03-03 16:22:09,520 INFO L158 Benchmark]: Boogie Preprocessor took 54.15ms. Allocated memory is still 189.8MB. Free memory was 150.0MB in the beginning and 147.1MB in the end (delta: 2.8MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-03-03 16:22:09,520 INFO L158 Benchmark]: RCFGBuilder took 833.09ms. Allocated memory was 189.8MB in the beginning and 247.5MB in the end (delta: 57.7MB). Free memory was 147.1MB in the beginning and 215.1MB in the end (delta: -67.9MB). Peak memory consumption was 93.2MB. Max. memory is 8.0GB. [2022-03-03 16:22:09,520 INFO L158 Benchmark]: TraceAbstraction took 59326.19ms. Allocated memory was 247.5MB in the beginning and 7.9GB in the end (delta: 7.7GB). Free memory was 214.6MB in the beginning and 6.8GB in the end (delta: -6.6GB). Peak memory consumption was 1.5GB. Max. memory is 8.0GB. [2022-03-03 16:22:09,522 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 189.8MB. Free memory was 155.8MB in the beginning and 155.7MB in the end (delta: 143.4kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 468.11ms. Allocated memory is still 189.8MB. Free memory was 137.5MB in the beginning and 153.1MB in the end (delta: -15.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 70.83ms. Allocated memory is still 189.8MB. Free memory was 153.1MB in the beginning and 150.0MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 54.15ms. Allocated memory is still 189.8MB. Free memory was 150.0MB in the beginning and 147.1MB in the end (delta: 2.8MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 833.09ms. Allocated memory was 189.8MB in the beginning and 247.5MB in the end (delta: 57.7MB). Free memory was 147.1MB in the beginning and 215.1MB in the end (delta: -67.9MB). Peak memory consumption was 93.2MB. Max. memory is 8.0GB. * TraceAbstraction took 59326.19ms. Allocated memory was 247.5MB in the beginning and 7.9GB in the end (delta: 7.7GB). Free memory was 214.6MB in the beginning and 6.8GB in the end (delta: -6.6GB). Peak memory consumption was 1.5GB. 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 - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L710] 0 int __unbuffered_cnt = 0; VAL [__unbuffered_cnt=0] [L712] 0 int __unbuffered_p1_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0] [L714] 0 int __unbuffered_p3_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0] [L716] 0 int a = 0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, a=0] [L717] 0 _Bool main$tmp_guard0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, a=0, main$tmp_guard0=0] [L718] 0 _Bool main$tmp_guard1; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0] [L720] 0 int x = 0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0] [L721] 0 _Bool x$flush_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0] [L722] 0 int x$mem_tmp; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0] [L723] 0 _Bool x$r_buff0_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0] [L724] 0 _Bool x$r_buff0_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0] [L725] 0 _Bool x$r_buff0_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0] [L726] 0 _Bool x$r_buff0_thd3; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0] [L727] 0 _Bool x$r_buff0_thd4; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff0_thd4=0] [L728] 0 _Bool x$r_buff1_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0] [L729] 0 _Bool x$r_buff1_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0] [L730] 0 _Bool x$r_buff1_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0] [L731] 0 _Bool x$r_buff1_thd3; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0] [L732] 0 _Bool x$r_buff1_thd4; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0] [L733] 0 _Bool x$read_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0] [L734] 0 int *x$read_delayed_var; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}] [L735] 0 int x$w_buff0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0] [L736] 0 _Bool x$w_buff0_used; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0] [L737] 0 int x$w_buff1; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0] [L738] 0 _Bool x$w_buff1_used; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0] [L740] 0 int y = 0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L742] 0 int z = 0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L743] 0 _Bool weak$$choice0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L744] 0 _Bool weak$$choice2; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L846] 0 pthread_t t1481; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, t1481={5:0}, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L847] FCALL, FORK 0 pthread_create(&t1481, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t1481, ((void *)0), P0, ((void *)0))=-3, t1481={5:0}, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L848] 0 pthread_t t1482; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, t1481={5:0}, t1482={6:0}, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L849] FCALL, FORK 0 pthread_create(&t1482, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t1482, ((void *)0), P1, ((void *)0))=-2, t1481={5:0}, t1482={6:0}, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L768] 2 x$w_buff1 = x$w_buff0 [L769] 2 x$w_buff0 = 2 [L770] 2 x$w_buff1_used = x$w_buff0_used [L771] 2 x$w_buff0_used = (_Bool)1 [L772] CALL 2 __VERIFIER_assert(!(x$w_buff1_used && x$w_buff0_used)) [L18] COND FALSE 2 !(!expression) [L772] RET 2 __VERIFIER_assert(!(x$w_buff1_used && x$w_buff0_used)) [L773] 2 x$r_buff1_thd0 = x$r_buff0_thd0 [L774] 2 x$r_buff1_thd1 = x$r_buff0_thd1 [L775] 2 x$r_buff1_thd2 = x$r_buff0_thd2 [L776] 2 x$r_buff1_thd3 = x$r_buff0_thd3 [L777] 2 x$r_buff1_thd4 = x$r_buff0_thd4 [L778] 2 x$r_buff0_thd2 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L781] 2 __unbuffered_p1_EAX = y VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L850] 0 pthread_t t1483; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, t1481={5:0}, t1482={6:0}, t1483={7:0}, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L851] FCALL, FORK 0 pthread_create(&t1483, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t1483, ((void *)0), P2, ((void *)0))=-1, t1481={5:0}, t1482={6:0}, t1483={7:0}, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L798] 3 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=0] [L801] 3 z = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] [L804] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x) [L804] EXPR 3 x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x [L804] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x) [L804] 3 x = x$w_buff0_used && x$r_buff0_thd3 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x) [L805] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$w_buff0_used [L805] 3 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$w_buff0_used [L806] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$w_buff1_used [L806] 3 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$w_buff1_used [L807] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$r_buff0_thd3 [L807] 3 x$r_buff0_thd3 = x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$r_buff0_thd3 [L808] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$r_buff1_thd3 [L808] 3 x$r_buff1_thd3 = x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$r_buff1_thd3 [L811] 3 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=1, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] [L852] 0 pthread_t t1484; VAL [__unbuffered_cnt=1, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, t1481={5:0}, t1482={6:0}, t1483={7:0}, t1484={3:0}, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] [L853] FCALL, FORK 0 pthread_create(&t1484, ((void *)0), P3, ((void *)0)) VAL [__unbuffered_cnt=1, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t1484, ((void *)0), P3, ((void *)0))=0, t1481={5:0}, t1482={6:0}, t1483={7:0}, t1484={3:0}, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] [L818] 4 z = 2 VAL [__unbuffered_cnt=1, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=2] [L821] 4 __unbuffered_p3_EAX = a VAL [__unbuffered_cnt=1, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=2] [L748] 1 a = 1 VAL [__unbuffered_cnt=1, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=2] [L751] 1 x = 1 VAL [__unbuffered_cnt=1, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=2] [L754] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd1 ? x$w_buff1 : x) [L754] EXPR 1 x$w_buff1_used && x$r_buff1_thd1 ? x$w_buff1 : x [L754] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd1 ? x$w_buff1 : x) [L754] 1 x = x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd1 ? x$w_buff1 : x) [L755] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used [L755] 1 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used [L756] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$w_buff1_used [L756] 1 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$w_buff1_used [L757] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1 [L757] 1 x$r_buff0_thd1 = x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1 [L758] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$r_buff1_thd1 [L758] 1 x$r_buff1_thd1 = x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$r_buff1_thd1 [L761] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=2, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=2] [L824] EXPR 4 x$w_buff0_used && x$r_buff0_thd4 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd4 ? x$w_buff1 : x) [L824] EXPR 4 x$w_buff1_used && x$r_buff1_thd4 ? x$w_buff1 : x [L824] EXPR 4 x$w_buff0_used && x$r_buff0_thd4 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd4 ? x$w_buff1 : x) [L824] 4 x = x$w_buff0_used && x$r_buff0_thd4 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd4 ? x$w_buff1 : x) [L825] EXPR 4 x$w_buff0_used && x$r_buff0_thd4 ? (_Bool)0 : x$w_buff0_used [L825] 4 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd4 ? (_Bool)0 : x$w_buff0_used [L826] EXPR 4 x$w_buff0_used && x$r_buff0_thd4 || x$w_buff1_used && x$r_buff1_thd4 ? (_Bool)0 : x$w_buff1_used [L826] 4 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd4 || x$w_buff1_used && x$r_buff1_thd4 ? (_Bool)0 : x$w_buff1_used [L827] EXPR 4 x$w_buff0_used && x$r_buff0_thd4 ? (_Bool)0 : x$r_buff0_thd4 [L827] 4 x$r_buff0_thd4 = x$w_buff0_used && x$r_buff0_thd4 ? (_Bool)0 : x$r_buff0_thd4 [L828] EXPR 4 x$w_buff0_used && x$r_buff0_thd4 || x$w_buff1_used && x$r_buff1_thd4 ? (_Bool)0 : x$r_buff1_thd4 [L828] 4 x$r_buff1_thd4 = x$w_buff0_used && x$r_buff0_thd4 || x$w_buff1_used && x$r_buff1_thd4 ? (_Bool)0 : x$r_buff1_thd4 [L831] 4 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=3, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=2] [L784] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L784] 2 x = x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L785] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L785] 2 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L786] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used [L786] 2 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used [L787] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L787] 2 x$r_buff0_thd2 = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L788] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2 [L788] 2 x$r_buff1_thd2 = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2 [L791] 2 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=4, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1, z=2] [L855] 0 main$tmp_guard0 = __unbuffered_cnt == 4 VAL [__unbuffered_cnt=4, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t1481={5:0}, t1482={6:0}, t1483={7:0}, t1484={3:0}, weak$$choice0=0, weak$$choice2=0, x=2, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1, z=2] [L857] CALL 0 assume_abort_if_not(main$tmp_guard0) [L3] COND FALSE 0 !(!cond) VAL [\old(cond)=1, __unbuffered_cnt=4, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, cond=1, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1, z=2] [L857] RET 0 assume_abort_if_not(main$tmp_guard0) [L859] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L859] EXPR 0 x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x [L859] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L859] 0 x = x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L860] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used [L860] 0 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used [L861] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$w_buff1_used [L861] 0 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$w_buff1_used [L862] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0 [L862] 0 x$r_buff0_thd0 = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0 [L863] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$r_buff1_thd0 [L863] 0 x$r_buff1_thd0 = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$r_buff1_thd0 [L866] 0 weak$$choice0 = __VERIFIER_nondet_bool() [L867] 0 weak$$choice2 = __VERIFIER_nondet_bool() [L868] 0 x$flush_delayed = weak$$choice2 [L869] 0 x$mem_tmp = x [L870] EXPR 0 !x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : x$w_buff1) [L870] 0 x = !x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : x$w_buff1) [L871] EXPR 0 weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : x$w_buff0)) [L871] 0 x$w_buff0 = weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : x$w_buff0)) [L872] EXPR 0 weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff1 : x$w_buff1)) [L872] 0 x$w_buff1 = weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff1 : x$w_buff1)) [L873] EXPR 0 weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used)) [L873] 0 x$w_buff0_used = weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used)) [L874] EXPR 0 weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L874] 0 x$w_buff1_used = weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L875] EXPR 0 weak$$choice2 ? x$r_buff0_thd0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff0_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0)) [L875] 0 x$r_buff0_thd0 = weak$$choice2 ? x$r_buff0_thd0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff0_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0)) [L876] EXPR 0 weak$$choice2 ? x$r_buff1_thd0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff1_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L876] 0 x$r_buff1_thd0 = weak$$choice2 ? x$r_buff1_thd0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff1_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L877] 0 main$tmp_guard1 = !(x == 2 && z == 2 && __unbuffered_p1_EAX == 0 && __unbuffered_p3_EAX == 0) [L878] EXPR 0 x$flush_delayed ? x$mem_tmp : x [L878] 0 x = x$flush_delayed ? x$mem_tmp : x [L879] 0 x$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=4, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t1481={5:0}, t1482={6:0}, t1483={7:0}, t1484={3:0}, weak$$choice0=50, weak$$choice2=255, x=2, x$flush_delayed=0, x$mem_tmp=2, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1, z=2] [L881] CALL 0 __VERIFIER_assert(main$tmp_guard1) [L18] COND TRUE 0 !expression VAL [\old(expression)=1, \old(expression)=0, __unbuffered_cnt=4, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, expression=1, expression=0, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=50, weak$$choice2=255, x=2, x$flush_delayed=0, x$mem_tmp=2, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1, z=2] [L18] 0 reach_error() VAL [\old(expression)=1, \old(expression)=0, __unbuffered_cnt=4, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, expression=0, expression=1, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=50, weak$$choice2=255, x=2, x$flush_delayed=0, x$mem_tmp=2, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1, z=2] - UnprovableResult [Line: 18]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 847]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 849]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 851]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 853]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 171 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 59.0s, OverallIterations: 15, TraceHistogramMax: 1, PathProgramHistogramMax: 3, EmptinessCheckTime: 2.1s, AutomataDifference: 19.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.7s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4750 SdHoareTripleChecker+Valid, 2.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4750 mSDsluCounter, 12060 SdHoareTripleChecker+Invalid, 2.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 10471 mSDsCounter, 337 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2350 IncrementalHoareTripleChecker+Invalid, 2687 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 337 mSolverCounterUnsat, 2365 mSDtfsCounter, 2350 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 215 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 181 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 445 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=115230occurred in iteration=0, InterpolantAutomatonStates: 160, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 29.9s AutomataMinimizationTime, 14 MinimizatonAttempts, 14610 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 1366 NumberOfCodeBlocks, 1366 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 1248 ConstructedInterpolants, 0 QuantifiedInterpolants, 8380 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 RESULT: Ultimate proved your program to be incorrect! [2022-03-03 16:22:09,554 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...