/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-DelaySleep-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe025_pso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-98707888a4ba860d5b57d27ee0e051c5b948cbbf-9870788 [2021-06-01 22:53:55,193 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-01 22:53:55,196 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-01 22:53:55,234 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-01 22:53:55,235 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-01 22:53:55,237 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-01 22:53:55,240 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-01 22:53:55,246 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-01 22:53:55,248 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-01 22:53:55,252 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-01 22:53:55,252 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-01 22:53:55,254 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-01 22:53:55,254 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-01 22:53:55,256 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-01 22:53:55,257 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-01 22:53:55,258 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-01 22:53:55,261 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-01 22:53:55,261 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-01 22:53:55,264 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-01 22:53:55,269 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-01 22:53:55,270 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-01 22:53:55,272 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-01 22:53:55,272 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-01 22:53:55,274 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-01 22:53:55,281 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-06-01 22:53:55,281 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-06-01 22:53:55,281 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-06-01 22:53:55,283 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-06-01 22:53:55,283 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-06-01 22:53:55,284 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-06-01 22:53:55,284 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-01 22:53:55,285 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-01 22:53:55,286 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-01 22:53:55,287 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-01 22:53:55,288 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-01 22:53:55,288 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-01 22:53:55,288 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-01 22:53:55,289 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-01 22:53:55,289 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-01 22:53:55,289 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-01 22:53:55,290 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-01 22:53:55,291 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-DelaySleep-NoLbe.epf [2021-06-01 22:53:55,317 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-01 22:53:55,317 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-01 22:53:55,318 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-01 22:53:55,318 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-01 22:53:55,319 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-01 22:53:55,319 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-01 22:53:55,319 INFO L138 SettingsManager]: * Use SBE=true [2021-06-01 22:53:55,319 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-01 22:53:55,319 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-01 22:53:55,319 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-01 22:53:55,320 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-01 22:53:55,320 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-01 22:53:55,320 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-01 22:53:55,320 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-01 22:53:55,320 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-01 22:53:55,320 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-01 22:53:55,320 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-01 22:53:55,321 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-01 22:53:55,321 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-01 22:53:55,321 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-01 22:53:55,321 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-01 22:53:55,321 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-01 22:53:55,321 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-01 22:53:55,322 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-01 22:53:55,322 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-01 22:53:55,322 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-01 22:53:55,322 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-01 22:53:55,322 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-01 22:53:55,322 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-01 22:53:55,322 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-01 22:53:55,323 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-01 22:53:55,323 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-01 22:53:55,323 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-01 22:53:55,323 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-01 22:53:55,634 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-01 22:53:55,652 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-01 22:53:55,655 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-01 22:53:55,656 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-01 22:53:55,657 INFO L275 PluginConnector]: CDTParser initialized [2021-06-01 22:53:55,658 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe025_pso.oepc.i [2021-06-01 22:53:55,715 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c827d3eb3/c63e087177404973a59ebc41ea05ad65/FLAG54111d5ff [2021-06-01 22:53:56,222 INFO L306 CDTParser]: Found 1 translation units. [2021-06-01 22:53:56,223 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe025_pso.oepc.i [2021-06-01 22:53:56,239 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c827d3eb3/c63e087177404973a59ebc41ea05ad65/FLAG54111d5ff [2021-06-01 22:53:56,547 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c827d3eb3/c63e087177404973a59ebc41ea05ad65 [2021-06-01 22:53:56,552 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-01 22:53:56,553 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-01 22:53:56,556 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-01 22:53:56,556 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-01 22:53:56,560 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-01 22:53:56,561 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.06 10:53:56" (1/1) ... [2021-06-01 22:53:56,562 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f045040 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 10:53:56, skipping insertion in model container [2021-06-01 22:53:56,562 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.06 10:53:56" (1/1) ... [2021-06-01 22:53:56,568 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-01 22:53:56,612 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-01 22:53:56,729 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe025_pso.oepc.i[950,963] [2021-06-01 22:53:56,869 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-01 22:53:56,876 INFO L203 MainTranslator]: Completed pre-run [2021-06-01 22:53:56,886 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe025_pso.oepc.i[950,963] [2021-06-01 22:53:56,910 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-01 22:53:56,963 INFO L208 MainTranslator]: Completed translation [2021-06-01 22:53:56,963 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 10:53:56 WrapperNode [2021-06-01 22:53:56,964 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-01 22:53:56,964 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-01 22:53:56,965 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-01 22:53:56,965 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-01 22:53:56,971 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 10:53:56" (1/1) ... [2021-06-01 22:53:56,982 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 10:53:56" (1/1) ... [2021-06-01 22:53:56,998 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-01 22:53:56,999 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-01 22:53:56,999 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-01 22:53:56,999 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-01 22:53:57,005 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 10:53:56" (1/1) ... [2021-06-01 22:53:57,005 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 10:53:56" (1/1) ... [2021-06-01 22:53:57,008 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 10:53:56" (1/1) ... [2021-06-01 22:53:57,008 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 10:53:56" (1/1) ... [2021-06-01 22:53:57,013 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 10:53:56" (1/1) ... [2021-06-01 22:53:57,015 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 10:53:56" (1/1) ... [2021-06-01 22:53:57,016 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 10:53:56" (1/1) ... [2021-06-01 22:53:57,019 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-01 22:53:57,020 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-01 22:53:57,020 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-01 22:53:57,020 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-01 22:53:57,020 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 10:53:56" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-01 22:53:57,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-01 22:53:57,108 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-06-01 22:53:57,108 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-01 22:53:57,109 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-01 22:53:57,109 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-06-01 22:53:57,109 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-06-01 22:53:57,109 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-06-01 22:53:57,109 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-06-01 22:53:57,110 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-06-01 22:53:57,110 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-06-01 22:53:57,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-01 22:53:57,110 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-06-01 22:53:57,110 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-01 22:53:57,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-01 22:53:57,112 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-01 22:53:57,461 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-01 22:53:57,462 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-06-01 22:53:57,463 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.06 10:53:57 BoogieIcfgContainer [2021-06-01 22:53:57,464 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-01 22:53:57,465 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-01 22:53:57,465 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-01 22:53:57,468 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-01 22:53:57,468 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.06 10:53:56" (1/3) ... [2021-06-01 22:53:57,469 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75146baa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.06 10:53:57, skipping insertion in model container [2021-06-01 22:53:57,469 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 10:53:56" (2/3) ... [2021-06-01 22:53:57,469 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75146baa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.06 10:53:57, skipping insertion in model container [2021-06-01 22:53:57,469 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.06 10:53:57" (3/3) ... [2021-06-01 22:53:57,470 INFO L111 eAbstractionObserver]: Analyzing ICFG safe025_pso.oepc.i [2021-06-01 22:53:57,475 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-01 22:53:57,475 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-01 22:53:57,476 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-01 22:53:57,476 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-01 22:53:57,500 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:53:57,500 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:53:57,500 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:53:57,500 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:53:57,500 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:53:57,501 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:53:57,501 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:53:57,501 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:53:57,501 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:53:57,501 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:53:57,501 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:53:57,502 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:53:57,502 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:53:57,502 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:53:57,502 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:53:57,502 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:53:57,503 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:53:57,503 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:53:57,503 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:53:57,503 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:53:57,503 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:53:57,503 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:53:57,504 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:53:57,504 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:53:57,504 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:53:57,504 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:53:57,504 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:53:57,505 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:53:57,505 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:53:57,505 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:53:57,505 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:53:57,505 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:53:57,505 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:53:57,506 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:53:57,506 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:53:57,506 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:53:57,508 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:53:57,508 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:53:57,508 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:53:57,508 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:53:57,512 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:53:57,513 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:53:57,513 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:53:57,513 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:53:57,514 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:53:57,515 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:53:57,515 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:53:57,515 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 22:53:57,516 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-01 22:53:57,536 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-01 22:53:57,573 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-01 22:53:57,573 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-01 22:53:57,573 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-01 22:53:57,573 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-01 22:53:57,573 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-01 22:53:57,573 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-01 22:53:57,574 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-01 22:53:57,574 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-01 22:53:57,612 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-01 22:53:57,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-01 22:53:57,616 INFO L82 PathProgramCache]: Analyzing trace with hash 840734622, now seen corresponding path program 1 times [2021-06-01 22:53:57,622 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-01 22:53:57,622 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1561908413] [2021-06-01 22:53:57,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-01 22:53:57,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-01 22:53:58,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-01 22:53:58,032 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-01 22:53:58,032 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1561908413] [2021-06-01 22:53:58,033 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1561908413] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-01 22:53:58,033 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-01 22:53:58,033 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-01 22:53:58,034 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1746190535] [2021-06-01 22:53:58,037 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-01 22:53:58,038 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-01 22:53:58,051 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-01 22:53:58,053 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-06-01 22:53:58,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-01 22:53:58,054 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-01 22:53:58,057 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 22:53:58,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-01 22:53:58,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-01 22:53:58,273 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-01 22:53:58,273 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-01 22:53:58,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-01 22:53:58,275 INFO L82 PathProgramCache]: Analyzing trace with hash -232766497, now seen corresponding path program 1 times [2021-06-01 22:53:58,276 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-01 22:53:58,277 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1602961940] [2021-06-01 22:53:58,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-01 22:53:58,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-01 22:53:58,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-01 22:53:58,465 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-01 22:53:58,465 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1602961940] [2021-06-01 22:53:58,466 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1602961940] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-01 22:53:58,466 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-01 22:53:58,466 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-06-01 22:53:58,466 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121113500] [2021-06-01 22:53:58,467 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-01 22:53:58,467 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-01 22:53:58,468 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-01 22:53:58,468 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-06-01 22:53:58,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-01 22:53:58,468 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-01 22:53:58,468 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 7.875) internal successors, (63), 8 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 22:53:58,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-01 22:53:58,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-01 22:53:58,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-01 22:53:58,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-01 22:53:58,600 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-01 22:53:58,601 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-01 22:53:58,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-01 22:53:58,601 INFO L82 PathProgramCache]: Analyzing trace with hash 651491548, now seen corresponding path program 1 times [2021-06-01 22:53:58,601 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-01 22:53:58,601 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [566851425] [2021-06-01 22:53:58,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-01 22:53:58,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-01 22:53:58,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-01 22:53:58,730 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-01 22:53:58,730 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [566851425] [2021-06-01 22:53:58,730 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [566851425] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-01 22:53:58,730 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-01 22:53:58,730 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-01 22:53:58,730 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1513495276] [2021-06-01 22:53:58,731 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-01 22:53:58,731 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-01 22:53:58,731 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-01 22:53:58,732 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-06-01 22:53:58,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-01 22:53:58,732 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-01 22:53:58,732 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 9.285714285714286) internal successors, (65), 7 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 22:53:58,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-01 22:53:58,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-01 22:53:58,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-01 22:53:59,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-01 22:53:59,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-01 22:53:59,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-01 22:53:59,400 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-01 22:53:59,400 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-01 22:53:59,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-01 22:53:59,401 INFO L82 PathProgramCache]: Analyzing trace with hash 627604630, now seen corresponding path program 2 times [2021-06-01 22:53:59,402 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-01 22:53:59,402 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1436942560] [2021-06-01 22:53:59,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-01 22:53:59,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-01 22:53:59,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-01 22:53:59,542 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-01 22:53:59,542 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1436942560] [2021-06-01 22:53:59,543 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1436942560] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-01 22:53:59,543 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-01 22:53:59,543 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-06-01 22:53:59,543 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427812043] [2021-06-01 22:53:59,543 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-01 22:53:59,543 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-01 22:53:59,544 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-01 22:53:59,544 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-06-01 22:53:59,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-01 22:53:59,544 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-01 22:53:59,545 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 8.125) internal successors, (65), 8 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 22:53:59,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-01 22:53:59,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-01 22:53:59,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-01 22:53:59,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-01 22:54:00,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-01 22:54:00,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-01 22:54:00,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-01 22:54:00,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-01 22:54:00,149 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-01 22:54:00,149 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-01 22:54:00,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-01 22:54:00,150 INFO L82 PathProgramCache]: Analyzing trace with hash 1746149046, now seen corresponding path program 3 times [2021-06-01 22:54:00,150 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-01 22:54:00,150 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [746472113] [2021-06-01 22:54:00,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-01 22:54:00,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-01 22:54:00,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-01 22:54:00,277 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-01 22:54:00,278 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [746472113] [2021-06-01 22:54:00,278 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [746472113] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-01 22:54:00,278 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-01 22:54:00,278 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-06-01 22:54:00,278 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [405409142] [2021-06-01 22:54:00,278 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-01 22:54:00,279 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-01 22:54:00,279 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-01 22:54:00,279 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-06-01 22:54:00,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-01 22:54:00,279 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-01 22:54:00,279 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 8.125) internal successors, (65), 8 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 22:54:00,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-01 22:54:00,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-01 22:54:00,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-01 22:54:00,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-01 22:54:00,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-01 22:54:01,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-01 22:54:01,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-01 22:54:01,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-01 22:54:01,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-01 22:54:01,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-01 22:54:01,009 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-06-01 22:54:01,024 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-01 22:54:01,026 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.06 10:54:01 BasicIcfg [2021-06-01 22:54:01,026 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-01 22:54:01,030 INFO L168 Benchmark]: Toolchain (without parser) took 4474.01 ms. Allocated memory was 371.2 MB in the beginning and 446.7 MB in the end (delta: 75.5 MB). Free memory was 334.0 MB in the beginning and 205.4 MB in the end (delta: 128.6 MB). Peak memory consumption was 207.0 MB. Max. memory is 16.0 GB. [2021-06-01 22:54:01,030 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 371.2 MB. Free memory was 351.7 MB in the beginning and 351.7 MB in the end (delta: 65.6 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-01 22:54:01,030 INFO L168 Benchmark]: CACSL2BoogieTranslator took 407.55 ms. Allocated memory is still 371.2 MB. Free memory was 333.8 MB in the beginning and 334.0 MB in the end (delta: -178.5 kB). Peak memory consumption was 9.0 MB. Max. memory is 16.0 GB. [2021-06-01 22:54:01,031 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.08 ms. Allocated memory is still 371.2 MB. Free memory was 334.0 MB in the beginning and 331.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-01 22:54:01,031 INFO L168 Benchmark]: Boogie Preprocessor took 19.75 ms. Allocated memory is still 371.2 MB. Free memory was 331.9 MB in the beginning and 330.9 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-01 22:54:01,031 INFO L168 Benchmark]: RCFGBuilder took 444.15 ms. Allocated memory is still 371.2 MB. Free memory was 330.9 MB in the beginning and 306.7 MB in the end (delta: 24.1 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB. [2021-06-01 22:54:01,032 INFO L168 Benchmark]: TraceAbstraction took 3561.20 ms. Allocated memory was 371.2 MB in the beginning and 446.7 MB in the end (delta: 75.5 MB). Free memory was 306.7 MB in the beginning and 205.4 MB in the end (delta: 101.3 MB). Peak memory consumption was 178.9 MB. Max. memory is 16.0 GB. [2021-06-01 22:54:01,035 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 371.2 MB. Free memory was 351.7 MB in the beginning and 351.7 MB in the end (delta: 65.6 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 407.55 ms. Allocated memory is still 371.2 MB. Free memory was 333.8 MB in the beginning and 334.0 MB in the end (delta: -178.5 kB). Peak memory consumption was 9.0 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 34.08 ms. Allocated memory is still 371.2 MB. Free memory was 334.0 MB in the beginning and 331.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 19.75 ms. Allocated memory is still 371.2 MB. Free memory was 331.9 MB in the beginning and 330.9 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 444.15 ms. Allocated memory is still 371.2 MB. Free memory was 330.9 MB in the beginning and 306.7 MB in the end (delta: 24.1 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB. * TraceAbstraction took 3561.20 ms. Allocated memory was 371.2 MB in the beginning and 446.7 MB in the end (delta: 75.5 MB). Free memory was 306.7 MB in the beginning and 205.4 MB in the end (delta: 101.3 MB). Peak memory consumption was 178.9 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 68158, positive: 66903, positive conditional: 66903, positive unconditional: 0, negative: 1255, negative conditional: 1255, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 67734, positive: 66903, positive conditional: 66903, positive unconditional: 0, negative: 831, negative conditional: 831, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 67734, positive: 66472, positive conditional: 0, positive unconditional: 66472, negative: 1262, negative conditional: 0, negative unconditional: 1262, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 683, positive: 669, positive conditional: 0, positive unconditional: 669, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 683, positive: 665, positive conditional: 0, positive unconditional: 665, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 18, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 46, positive: 14, positive conditional: 10, positive unconditional: 4, negative: 32, negative conditional: 18, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 103, positive: 32, positive conditional: 23, positive unconditional: 9, negative: 72, negative conditional: 25, negative unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 67734, positive: 65803, positive conditional: 0, positive unconditional: 65803, negative: 1248, negative conditional: 0, negative unconditional: 1248, unknown: 683, unknown conditional: 0, unknown unconditional: 683] , Statistics on independence cache: Total cache size (in pairs): 711, Positive cache size: 679, Positive conditional cache size: 10, Positive unconditional cache size: 669, Negative cache size: 32, Negative conditional cache size: 18, Negative unconditional cache size: 14, SemanticConditionEliminator.Independence Queries: [ total: 4372, positive: 431, positive conditional: 431, positive unconditional: 0, negative: 3941, negative conditional: 858, negative unconditional: 3083, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4372, positive: 431, positive conditional: 431, positive unconditional: 0, negative: 3941, negative conditional: 858, negative unconditional: 3083, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 46, positive: 14, positive conditional: 10, positive unconditional: 4, negative: 32, negative conditional: 18, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 103, positive: 32, positive conditional: 23, positive unconditional: 9, negative: 72, negative conditional: 25, negative unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4372, positive: 421, positive conditional: 421, positive unconditional: 0, negative: 3923, negative conditional: 840, negative unconditional: 3083, unknown: 28, unknown conditional: 28, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 711, Positive cache size: 679, Positive conditional cache size: 10, Positive unconditional cache size: 669, Negative cache size: 32, Negative conditional cache size: 18, Negative unconditional cache size: 14, Eliminated conditions: 3083, SemanticConditionEliminator.Independence Queries: [ total: 4372, positive: 431, positive conditional: 431, positive unconditional: 0, negative: 3941, negative conditional: 858, negative unconditional: 3083, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4372, positive: 431, positive conditional: 431, positive unconditional: 0, negative: 3941, negative conditional: 858, negative unconditional: 3083, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 46, positive: 14, positive conditional: 10, positive unconditional: 4, negative: 32, negative conditional: 18, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 103, positive: 32, positive conditional: 23, positive unconditional: 9, negative: 72, negative conditional: 25, negative unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4372, positive: 421, positive conditional: 421, positive unconditional: 0, negative: 3923, negative conditional: 840, negative unconditional: 3083, unknown: 28, unknown conditional: 28, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 711, Positive cache size: 679, Positive conditional cache size: 10, Positive unconditional cache size: 669, Negative cache size: 32, Negative conditional cache size: 18, Negative unconditional cache size: 14, Eliminated conditions: 3083, SemanticConditionEliminator.Independence Queries: [ total: 4372, positive: 431, positive conditional: 431, positive unconditional: 0, negative: 3941, negative conditional: 858, negative unconditional: 3083, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4372, positive: 431, positive conditional: 431, positive unconditional: 0, negative: 3941, negative conditional: 858, negative unconditional: 3083, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 46, positive: 14, positive conditional: 10, positive unconditional: 4, negative: 32, negative conditional: 18, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 103, positive: 32, positive conditional: 23, positive unconditional: 9, negative: 72, negative conditional: 25, negative unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4372, positive: 421, positive conditional: 421, positive unconditional: 0, negative: 3923, negative conditional: 840, negative unconditional: 3083, unknown: 28, unknown conditional: 28, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 711, Positive cache size: 679, Positive conditional cache size: 10, Positive unconditional cache size: 669, Negative cache size: 32, Negative conditional cache size: 18, Negative unconditional cache size: 14, Eliminated conditions: 3083, SemanticConditionEliminator.Independence Queries: [ total: 4372, positive: 431, positive conditional: 431, positive unconditional: 0, negative: 3941, negative conditional: 858, negative unconditional: 3083, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4372, positive: 431, positive conditional: 431, positive unconditional: 0, negative: 3941, negative conditional: 858, negative unconditional: 3083, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 46, positive: 14, positive conditional: 10, positive unconditional: 4, negative: 32, negative conditional: 18, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 103, positive: 32, positive conditional: 23, positive unconditional: 9, negative: 72, negative conditional: 25, negative unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4372, positive: 421, positive conditional: 421, positive unconditional: 0, negative: 3923, negative conditional: 840, negative unconditional: 3083, unknown: 28, unknown conditional: 28, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 711, Positive cache size: 679, Positive conditional cache size: 10, Positive unconditional cache size: 669, Negative cache size: 32, Negative conditional cache size: 18, Negative unconditional cache size: 14, Eliminated conditions: 3083, SemanticConditionEliminator.Independence Queries: [ total: 4372, positive: 431, positive conditional: 431, positive unconditional: 0, negative: 3941, negative conditional: 858, negative unconditional: 3083, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4372, positive: 431, positive conditional: 431, positive unconditional: 0, negative: 3941, negative conditional: 858, negative unconditional: 3083, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 46, positive: 14, positive conditional: 10, positive unconditional: 4, negative: 32, negative conditional: 18, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 103, positive: 32, positive conditional: 23, positive unconditional: 9, negative: 72, negative conditional: 25, negative unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4372, positive: 421, positive conditional: 421, positive unconditional: 0, negative: 3923, negative conditional: 840, negative unconditional: 3083, unknown: 28, unknown conditional: 28, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 711, Positive cache size: 679, Positive conditional cache size: 10, Positive unconditional cache size: 669, Negative cache size: 32, Negative conditional cache size: 18, Negative unconditional cache size: 14, Eliminated conditions: 3083 ], Maximal queried relation: 5, Independence queries for same thread: 424 - PositiveResult [Line: 18]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 107 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3472.0ms, OverallIterations: 5, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 11.2ms, PartialOrderReductionTime: 2373.6ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 56, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 43.3ms SsaConstructionTime, 194.4ms SatisfiabilityAnalysisTime, 665.3ms InterpolantComputationTime, 319 NumberOfCodeBlocks, 319 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 314 ConstructedInterpolants, 0 QuantifiedInterpolants, 1224 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...