/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-Sleep-NoLbe-Delay.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe026_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-7cd14b8b9f04096d8ddfd3d9cd8a4ac590fe5404-7cd14b8 [2021-03-12 05:10:33,444 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-12 05:10:33,446 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-12 05:10:33,484 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-12 05:10:33,484 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-12 05:10:33,487 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-12 05:10:33,489 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-12 05:10:33,494 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-12 05:10:33,496 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-12 05:10:33,500 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-12 05:10:33,501 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-12 05:10:33,502 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-12 05:10:33,502 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-12 05:10:33,504 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-12 05:10:33,505 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-12 05:10:33,506 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-12 05:10:33,508 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-12 05:10:33,509 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-12 05:10:33,511 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-12 05:10:33,518 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-12 05:10:33,519 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-12 05:10:33,520 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-12 05:10:33,521 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-12 05:10:33,523 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-12 05:10:33,528 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-03-12 05:10:33,528 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-03-12 05:10:33,529 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-03-12 05:10:33,530 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-03-12 05:10:33,530 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-03-12 05:10:33,533 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-03-12 05:10:33,533 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-03-12 05:10:33,534 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-03-12 05:10:33,535 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-03-12 05:10:33,536 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-03-12 05:10:33,537 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-03-12 05:10:33,537 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-03-12 05:10:33,537 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-03-12 05:10:33,537 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-03-12 05:10:33,538 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-12 05:10:33,538 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-12 05:10:33,539 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-12 05:10:33,542 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-Sleep-NoLbe-Delay.epf [2021-03-12 05:10:33,570 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-12 05:10:33,570 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-12 05:10:33,571 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-03-12 05:10:33,571 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-03-12 05:10:33,574 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-12 05:10:33,574 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-12 05:10:33,574 INFO L138 SettingsManager]: * Use SBE=true [2021-03-12 05:10:33,574 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-12 05:10:33,574 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-12 05:10:33,575 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-12 05:10:33,575 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-12 05:10:33,575 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-12 05:10:33,576 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-12 05:10:33,576 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-12 05:10:33,576 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-12 05:10:33,576 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-12 05:10:33,576 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-12 05:10:33,576 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-12 05:10:33,576 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-12 05:10:33,577 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-12 05:10:33,577 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-12 05:10:33,577 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-12 05:10:33,577 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-12 05:10:33,577 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-12 05:10:33,577 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-12 05:10:33,577 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-12 05:10:33,578 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-12 05:10:33,578 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-12 05:10:33,578 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-12 05:10:33,578 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-03-12 05:10:33,578 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-03-12 05:10:33,578 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-03-12 05:10:33,579 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-03-12 05:10:33,579 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-12 05:10:33,895 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-12 05:10:33,922 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-12 05:10:33,924 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-12 05:10:33,925 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-12 05:10:33,926 INFO L275 PluginConnector]: CDTParser initialized [2021-03-12 05:10:33,927 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe026_tso.opt.i [2021-03-12 05:10:33,980 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f46351e28/cefd13c5702f4eb189e09dc150764bd8/FLAGc9d232415 [2021-03-12 05:10:34,444 INFO L306 CDTParser]: Found 1 translation units. [2021-03-12 05:10:34,444 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe026_tso.opt.i [2021-03-12 05:10:34,459 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f46351e28/cefd13c5702f4eb189e09dc150764bd8/FLAGc9d232415 [2021-03-12 05:10:34,761 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f46351e28/cefd13c5702f4eb189e09dc150764bd8 [2021-03-12 05:10:34,763 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-12 05:10:34,769 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-12 05:10:34,772 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-12 05:10:34,772 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-12 05:10:34,775 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-12 05:10:34,776 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.03 05:10:34" (1/1) ... [2021-03-12 05:10:34,777 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31eff54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 05:10:34, skipping insertion in model container [2021-03-12 05:10:34,777 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.03 05:10:34" (1/1) ... [2021-03-12 05:10:34,783 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-12 05:10:34,825 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-12 05:10:34,992 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe026_tso.opt.i[949,962] [2021-03-12 05:10:35,184 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-12 05:10:35,190 INFO L203 MainTranslator]: Completed pre-run [2021-03-12 05:10:35,200 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe026_tso.opt.i[949,962] [2021-03-12 05:10:35,236 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-12 05:10:35,298 INFO L208 MainTranslator]: Completed translation [2021-03-12 05:10:35,298 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 05:10:35 WrapperNode [2021-03-12 05:10:35,298 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-12 05:10:35,299 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-12 05:10:35,300 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-12 05:10:35,300 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-12 05:10:35,305 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 05:10:35" (1/1) ... [2021-03-12 05:10:35,334 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 05:10:35" (1/1) ... [2021-03-12 05:10:35,353 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-12 05:10:35,354 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-12 05:10:35,355 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-12 05:10:35,355 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-12 05:10:35,361 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 05:10:35" (1/1) ... [2021-03-12 05:10:35,361 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 05:10:35" (1/1) ... [2021-03-12 05:10:35,370 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 05:10:35" (1/1) ... [2021-03-12 05:10:35,370 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 05:10:35" (1/1) ... [2021-03-12 05:10:35,379 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 05:10:35" (1/1) ... [2021-03-12 05:10:35,380 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 05:10:35" (1/1) ... [2021-03-12 05:10:35,381 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 05:10:35" (1/1) ... [2021-03-12 05:10:35,383 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-12 05:10:35,384 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-12 05:10:35,384 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-12 05:10:35,384 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-12 05:10:35,384 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 05:10:35" (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 [2021-03-12 05:10:35,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-12 05:10:35,457 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-03-12 05:10:35,457 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-12 05:10:35,458 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-12 05:10:35,458 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-03-12 05:10:35,458 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-03-12 05:10:35,458 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-03-12 05:10:35,458 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-03-12 05:10:35,458 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-03-12 05:10:35,458 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-03-12 05:10:35,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-12 05:10:35,458 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-03-12 05:10:35,459 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-12 05:10:35,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-12 05:10:35,460 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-12 05:10:35,710 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-12 05:10:35,710 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-03-12 05:10:35,712 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.03 05:10:35 BoogieIcfgContainer [2021-03-12 05:10:35,712 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-12 05:10:35,713 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-12 05:10:35,713 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-12 05:10:35,715 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-12 05:10:35,715 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.03 05:10:34" (1/3) ... [2021-03-12 05:10:35,716 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f970e90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.03 05:10:35, skipping insertion in model container [2021-03-12 05:10:35,716 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.03 05:10:35" (2/3) ... [2021-03-12 05:10:35,716 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f970e90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.03 05:10:35, skipping insertion in model container [2021-03-12 05:10:35,717 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.03 05:10:35" (3/3) ... [2021-03-12 05:10:35,717 INFO L111 eAbstractionObserver]: Analyzing ICFG safe026_tso.opt.i [2021-03-12 05:10:35,722 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-03-12 05:10:35,722 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-12 05:10:35,725 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-03-12 05:10:35,725 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-12 05:10:35,754 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:10:35,755 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:10:35,755 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:10:35,755 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:10:35,755 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:10:35,755 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:10:35,755 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:10:35,756 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:10:35,756 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:10:35,756 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:10:35,757 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:10:35,757 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:10:35,757 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:10:35,757 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:10:35,757 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:10:35,758 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:10:35,758 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:10:35,758 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:10:35,758 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:10:35,758 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:10:35,759 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:10:35,759 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:10:35,760 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:10:35,760 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:10:35,760 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:10:35,761 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:10:35,761 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:10:35,761 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:10:35,761 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:10:35,761 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:10:35,761 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:10:35,762 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:10:35,762 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:10:35,762 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:10:35,762 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:10:35,763 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:10:35,764 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:10:35,765 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:10:35,765 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:10:35,765 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:10:35,769 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:10:35,769 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:10:35,775 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:10:35,775 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:10:35,777 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:10:35,777 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:10:35,777 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:10:35,777 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 05:10:35,779 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-03-12 05:10:35,793 INFO L253 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) [2021-03-12 05:10:35,830 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-12 05:10:35,830 INFO L377 AbstractCegarLoop]: Hoare is true [2021-03-12 05:10:35,830 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-12 05:10:35,830 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-12 05:10:35,830 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-12 05:10:35,830 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-12 05:10:35,830 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-12 05:10:35,831 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-03-12 05:10:35,931 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-12 05:10:35,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 05:10:35,936 INFO L82 PathProgramCache]: Analyzing trace with hash 2105497300, now seen corresponding path program 1 times [2021-03-12 05:10:35,943 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 05:10:35,944 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [260452136] [2021-03-12 05:10:35,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 05:10:36,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 05:10:36,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 05:10:36,346 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [260452136] [2021-03-12 05:10:36,347 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-12 05:10:36,347 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-12 05:10:36,348 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [209452286] [2021-03-12 05:10:36,353 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-12 05:10:36,353 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 05:10:36,361 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-12 05:10:36,362 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-03-12 05:10:36,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 05:10:36,364 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 05:10:36,365 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 8.0) internal successors, (56), 7 states have internal predecessors, (56), 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) [2021-03-12 05:10:36,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 05:10:36,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 05:10:36,493 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-12 05:10:36,493 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-12 05:10:36,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 05:10:36,494 INFO L82 PathProgramCache]: Analyzing trace with hash -1524888748, now seen corresponding path program 2 times [2021-03-12 05:10:36,494 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 05:10:36,494 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1339239943] [2021-03-12 05:10:36,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 05:10:36,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 05:10:36,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 05:10:36,652 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1339239943] [2021-03-12 05:10:36,652 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-12 05:10:36,653 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-12 05:10:36,653 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2000626834] [2021-03-12 05:10:36,656 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-12 05:10:36,657 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 05:10:36,659 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-12 05:10:36,660 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-03-12 05:10:36,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 05:10:36,660 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 05:10:36,660 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 7.0) internal successors, (56), 8 states have internal predecessors, (56), 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) [2021-03-12 05:10:36,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 05:10:36,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 05:10:37,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 05:10:37,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-12 05:10:37,317 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-12 05:10:37,317 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-12 05:10:37,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 05:10:37,324 INFO L82 PathProgramCache]: Analyzing trace with hash 1300752588, now seen corresponding path program 3 times [2021-03-12 05:10:37,324 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 05:10:37,325 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1387266421] [2021-03-12 05:10:37,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 05:10:37,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 05:10:37,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 05:10:37,466 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1387266421] [2021-03-12 05:10:37,466 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-12 05:10:37,466 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-12 05:10:37,466 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1488944594] [2021-03-12 05:10:37,467 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-12 05:10:37,467 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 05:10:37,469 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-12 05:10:37,469 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-03-12 05:10:37,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 05:10:37,469 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 05:10:37,470 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 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) [2021-03-12 05:10:37,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 05:10:37,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-03-12 05:10:37,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 05:10:37,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 05:10:37,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-12 05:10:37,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-12 05:10:37,773 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-12 05:10:37,773 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-12 05:10:37,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 05:10:37,775 INFO L82 PathProgramCache]: Analyzing trace with hash 651063184, now seen corresponding path program 4 times [2021-03-12 05:10:37,775 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 05:10:37,775 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1277318955] [2021-03-12 05:10:37,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 05:10:37,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 05:10:37,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 05:10:37,913 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1277318955] [2021-03-12 05:10:37,913 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-12 05:10:37,914 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-12 05:10:37,914 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1806573241] [2021-03-12 05:10:37,914 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-12 05:10:37,914 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 05:10:37,915 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-12 05:10:37,915 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-03-12 05:10:37,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 05:10:37,916 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 05:10:37,916 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 7.0) internal successors, (56), 8 states have internal predecessors, (56), 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) [2021-03-12 05:10:37,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 05:10:37,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-03-12 05:10:37,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-12 05:10:37,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 05:10:38,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 05:10:38,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-12 05:10:38,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-12 05:10:38,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-12 05:10:38,507 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-12 05:10:38,524 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.03 05:10:38 BasicIcfg [2021-03-12 05:10:38,525 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-12 05:10:38,525 INFO L168 Benchmark]: Toolchain (without parser) took 3760.07 ms. Allocated memory was 377.5 MB in the beginning and 455.1 MB in the end (delta: 77.6 MB). Free memory was 340.6 MB in the beginning and 267.2 MB in the end (delta: 73.4 MB). Peak memory consumption was 152.9 MB. Max. memory is 16.0 GB. [2021-03-12 05:10:38,526 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 377.5 MB. Free memory was 358.5 MB in the beginning and 358.4 MB in the end (delta: 71.0 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-12 05:10:38,526 INFO L168 Benchmark]: CACSL2BoogieTranslator took 526.35 ms. Allocated memory is still 377.5 MB. Free memory was 340.0 MB in the beginning and 340.4 MB in the end (delta: -407.1 kB). Peak memory consumption was 7.2 MB. Max. memory is 16.0 GB. [2021-03-12 05:10:38,526 INFO L168 Benchmark]: Boogie Procedure Inliner took 54.20 ms. Allocated memory is still 377.5 MB. Free memory was 340.4 MB in the beginning and 338.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-12 05:10:38,526 INFO L168 Benchmark]: Boogie Preprocessor took 28.76 ms. Allocated memory is still 377.5 MB. Free memory was 338.3 MB in the beginning and 337.2 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-12 05:10:38,529 INFO L168 Benchmark]: RCFGBuilder took 327.97 ms. Allocated memory is still 377.5 MB. Free memory was 336.2 MB in the beginning and 313.1 MB in the end (delta: 23.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.0 GB. [2021-03-12 05:10:38,530 INFO L168 Benchmark]: TraceAbstraction took 2811.67 ms. Allocated memory was 377.5 MB in the beginning and 455.1 MB in the end (delta: 77.6 MB). Free memory was 312.1 MB in the beginning and 267.2 MB in the end (delta: 44.9 MB). Peak memory consumption was 124.5 MB. Max. memory is 16.0 GB. [2021-03-12 05:10:38,532 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 377.5 MB. Free memory was 358.5 MB in the beginning and 358.4 MB in the end (delta: 71.0 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 526.35 ms. Allocated memory is still 377.5 MB. Free memory was 340.0 MB in the beginning and 340.4 MB in the end (delta: -407.1 kB). Peak memory consumption was 7.2 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 54.20 ms. Allocated memory is still 377.5 MB. Free memory was 340.4 MB in the beginning and 338.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 28.76 ms. Allocated memory is still 377.5 MB. Free memory was 338.3 MB in the beginning and 337.2 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 327.97 ms. Allocated memory is still 377.5 MB. Free memory was 336.2 MB in the beginning and 313.1 MB in the end (delta: 23.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.0 GB. * TraceAbstraction took 2811.67 ms. Allocated memory was 377.5 MB in the beginning and 455.1 MB in the end (delta: 77.6 MB). Free memory was 312.1 MB in the beginning and 267.2 MB in the end (delta: 44.9 MB). Peak memory consumption was 124.5 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: 42518, positive: 40346, positive conditional: 40346, positive unconditional: 0, negative: 2172, negative conditional: 2172, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 40684, positive: 40346, positive conditional: 40346, positive unconditional: 0, negative: 338, negative conditional: 338, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 40684, positive: 39798, positive conditional: 0, positive unconditional: 39798, negative: 886, negative conditional: 0, negative unconditional: 886, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 445, positive: 436, positive conditional: 0, positive unconditional: 436, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 445, positive: 432, positive conditional: 0, positive unconditional: 432, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 13, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 27, positive: 10, positive conditional: 6, positive unconditional: 4, negative: 17, negative conditional: 8, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 166, positive: 54, positive conditional: 34, positive unconditional: 20, negative: 112, negative conditional: 35, negative unconditional: 77, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 40684, positive: 39362, positive conditional: 0, positive unconditional: 39362, negative: 877, negative conditional: 0, negative unconditional: 877, unknown: 445, unknown conditional: 0, unknown unconditional: 445] , Statistics on independence cache: Total cache size (in pairs): 459, Positive cache size: 442, Positive conditional cache size: 6, Positive unconditional cache size: 436, Negative cache size: 17, Negative conditional cache size: 8, Negative unconditional cache size: 9, SemanticConditionEliminator.Independence Queries: [ total: 2233, positive: 548, positive conditional: 548, positive unconditional: 0, negative: 1685, negative conditional: 266, negative unconditional: 1419, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2233, positive: 548, positive conditional: 548, positive unconditional: 0, negative: 1685, negative conditional: 266, negative unconditional: 1419, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 27, positive: 10, positive conditional: 6, positive unconditional: 4, negative: 17, negative conditional: 8, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 166, positive: 54, positive conditional: 34, positive unconditional: 20, negative: 112, negative conditional: 35, negative unconditional: 77, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2233, positive: 542, positive conditional: 542, positive unconditional: 0, negative: 1677, negative conditional: 258, negative unconditional: 1419, unknown: 14, unknown conditional: 14, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 459, Positive cache size: 442, Positive conditional cache size: 6, Positive unconditional cache size: 436, Negative cache size: 17, Negative conditional cache size: 8, Negative unconditional cache size: 9, Eliminated conditions: 1419, SemanticConditionEliminator.Independence Queries: [ total: 2233, positive: 548, positive conditional: 548, positive unconditional: 0, negative: 1685, negative conditional: 266, negative unconditional: 1419, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2233, positive: 548, positive conditional: 548, positive unconditional: 0, negative: 1685, negative conditional: 266, negative unconditional: 1419, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 27, positive: 10, positive conditional: 6, positive unconditional: 4, negative: 17, negative conditional: 8, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 166, positive: 54, positive conditional: 34, positive unconditional: 20, negative: 112, negative conditional: 35, negative unconditional: 77, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2233, positive: 542, positive conditional: 542, positive unconditional: 0, negative: 1677, negative conditional: 258, negative unconditional: 1419, unknown: 14, unknown conditional: 14, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 459, Positive cache size: 442, Positive conditional cache size: 6, Positive unconditional cache size: 436, Negative cache size: 17, Negative conditional cache size: 8, Negative unconditional cache size: 9, Eliminated conditions: 1419, SemanticConditionEliminator.Independence Queries: [ total: 2233, positive: 548, positive conditional: 548, positive unconditional: 0, negative: 1685, negative conditional: 266, negative unconditional: 1419, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2233, positive: 548, positive conditional: 548, positive unconditional: 0, negative: 1685, negative conditional: 266, negative unconditional: 1419, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 27, positive: 10, positive conditional: 6, positive unconditional: 4, negative: 17, negative conditional: 8, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 166, positive: 54, positive conditional: 34, positive unconditional: 20, negative: 112, negative conditional: 35, negative unconditional: 77, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2233, positive: 542, positive conditional: 542, positive unconditional: 0, negative: 1677, negative conditional: 258, negative unconditional: 1419, unknown: 14, unknown conditional: 14, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 459, Positive cache size: 442, Positive conditional cache size: 6, Positive unconditional cache size: 436, Negative cache size: 17, Negative conditional cache size: 8, Negative unconditional cache size: 9, Eliminated conditions: 1419, SemanticConditionEliminator.Independence Queries: [ total: 2233, positive: 548, positive conditional: 548, positive unconditional: 0, negative: 1685, negative conditional: 266, negative unconditional: 1419, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2233, positive: 548, positive conditional: 548, positive unconditional: 0, negative: 1685, negative conditional: 266, negative unconditional: 1419, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 27, positive: 10, positive conditional: 6, positive unconditional: 4, negative: 17, negative conditional: 8, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 166, positive: 54, positive conditional: 34, positive unconditional: 20, negative: 112, negative conditional: 35, negative unconditional: 77, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2233, positive: 542, positive conditional: 542, positive unconditional: 0, negative: 1677, negative conditional: 258, negative unconditional: 1419, unknown: 14, unknown conditional: 14, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 459, Positive cache size: 442, Positive conditional cache size: 6, Positive unconditional cache size: 436, Negative cache size: 17, Negative conditional cache size: 8, Negative unconditional cache size: 9, Eliminated conditions: 1419 ], Maximal queried relation: 4, Independence queries for same thread: 1834 - PositiveResult [Line: 18]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 72 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2716.8ms, OverallIterations: 4, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 13.7ms, PartialOrderReductionTime: 1758.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 39, 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: 21.0ms SsaConstructionTime, 161.8ms SatisfiabilityAnalysisTime, 553.5ms InterpolantComputationTime, 224 NumberOfCodeBlocks, 224 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 220 ConstructedInterpolants, 0 QuantifiedInterpolants, 809 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 correct! Received shutdown request...