/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-Sleep-NoLbe-Delay.epf -i ../../../trunk/examples/svcomp/pthread-wmm/safe028_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-6f57305 [2021-01-26 23:04:40,859 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-26 23:04:40,862 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-26 23:04:40,922 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-26 23:04:40,923 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-26 23:04:40,928 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-26 23:04:40,931 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-26 23:04:40,940 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-26 23:04:40,943 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-26 23:04:40,949 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-26 23:04:40,951 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-26 23:04:40,953 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-26 23:04:40,953 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-26 23:04:40,957 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-26 23:04:40,959 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-26 23:04:40,961 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-26 23:04:40,962 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-26 23:04:40,966 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-26 23:04:40,973 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-26 23:04:40,982 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-26 23:04:40,984 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-26 23:04:40,987 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-26 23:04:40,988 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-26 23:04:40,992 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-26 23:04:41,001 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-01-26 23:04:41,007 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-26 23:04:41,008 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-26 23:04:41,010 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-26 23:04:41,011 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-26 23:04:41,012 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-26 23:04:41,014 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-26 23:04:41,014 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-26 23:04:41,015 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-26 23:04:41,015 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-26 23:04:41,016 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-26 23:04:41,017 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-26 23:04:41,018 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 [2021-01-26 23:04:41,079 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-26 23:04:41,079 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-26 23:04:41,083 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-26 23:04:41,084 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-26 23:04:41,084 INFO L138 SettingsManager]: * Use SBE=true [2021-01-26 23:04:41,084 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-26 23:04:41,084 INFO L138 SettingsManager]: * sizeof long=4 [2021-01-26 23:04:41,085 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-26 23:04:41,085 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-01-26 23:04:41,085 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-26 23:04:41,086 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-26 23:04:41,087 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-26 23:04:41,087 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-26 23:04:41,087 INFO L138 SettingsManager]: * sizeof long double=12 [2021-01-26 23:04:41,087 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-26 23:04:41,088 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-26 23:04:41,088 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-26 23:04:41,088 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-26 23:04:41,088 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-26 23:04:41,088 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-01-26 23:04:41,089 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-26 23:04:41,089 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-26 23:04:41,089 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-26 23:04:41,090 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-26 23:04:41,090 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-26 23:04:41,090 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-26 23:04:41,090 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-26 23:04:41,091 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-01-26 23:04:41,091 INFO L138 SettingsManager]: * Lazy Petri-NFA conversion=true [2021-01-26 23:04:41,091 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=SLEEP_SET_FA [2021-01-26 23:04:41,091 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-26 23:04:41,092 INFO L138 SettingsManager]: * Minimization of abstraction=NONE [2021-01-26 23:04:41,092 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-01-26 23:04:41,092 INFO L138 SettingsManager]: * Sleep set reduction in concurrent analysis=DELAY_SET 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-26 23:04:41,491 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-26 23:04:41,537 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-26 23:04:41,540 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-26 23:04:41,543 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-26 23:04:41,543 INFO L275 PluginConnector]: CDTParser initialized [2021-01-26 23:04:41,544 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe028_tso.opt.i [2021-01-26 23:04:41,637 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cbc3c2449/cb4965a5cf044cd2963b3e2c8f50ee6d/FLAG14f3e6bd0 [2021-01-26 23:04:42,447 INFO L306 CDTParser]: Found 1 translation units. [2021-01-26 23:04:42,447 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe028_tso.opt.i [2021-01-26 23:04:42,467 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cbc3c2449/cb4965a5cf044cd2963b3e2c8f50ee6d/FLAG14f3e6bd0 [2021-01-26 23:04:42,760 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cbc3c2449/cb4965a5cf044cd2963b3e2c8f50ee6d [2021-01-26 23:04:42,764 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-26 23:04:42,783 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-01-26 23:04:42,788 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-26 23:04:42,788 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-26 23:04:42,792 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-26 23:04:42,793 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.01 11:04:42" (1/1) ... [2021-01-26 23:04:42,798 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53032b59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 11:04:42, skipping insertion in model container [2021-01-26 23:04:42,798 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.01 11:04:42" (1/1) ... [2021-01-26 23:04:42,807 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-26 23:04:42,884 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-01-26 23:04:43,330 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-26 23:04:43,339 INFO L203 MainTranslator]: Completed pre-run [2021-01-26 23:04:43,397 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-26 23:04:43,486 INFO L208 MainTranslator]: Completed translation [2021-01-26 23:04:43,487 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 11:04:43 WrapperNode [2021-01-26 23:04:43,487 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-26 23:04:43,488 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-26 23:04:43,489 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-26 23:04:43,489 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-26 23:04:43,498 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 11:04:43" (1/1) ... [2021-01-26 23:04:43,515 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 11:04:43" (1/1) ... [2021-01-26 23:04:43,540 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-26 23:04:43,541 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-26 23:04:43,541 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-26 23:04:43,541 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-26 23:04:43,550 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 11:04:43" (1/1) ... [2021-01-26 23:04:43,551 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 11:04:43" (1/1) ... [2021-01-26 23:04:43,554 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 11:04:43" (1/1) ... [2021-01-26 23:04:43,555 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 11:04:43" (1/1) ... [2021-01-26 23:04:43,588 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 11:04:43" (1/1) ... [2021-01-26 23:04:43,592 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 11:04:43" (1/1) ... [2021-01-26 23:04:43,595 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 11:04:43" (1/1) ... [2021-01-26 23:04:43,605 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-26 23:04:43,609 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-26 23:04:43,610 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-26 23:04:43,610 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-26 23:04:43,611 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 11:04:43" (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 [2021-01-26 23:04:43,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-01-26 23:04:43,724 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-01-26 23:04:43,724 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-26 23:04:43,725 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-01-26 23:04:43,725 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-01-26 23:04:43,728 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-01-26 23:04:43,728 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-01-26 23:04:43,728 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-01-26 23:04:43,729 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-01-26 23:04:43,729 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-01-26 23:04:43,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-26 23:04:43,729 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-01-26 23:04:43,729 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-26 23:04:43,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-26 23:04:43,732 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-01-26 23:04:44,377 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-26 23:04:44,378 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2021-01-26 23:04:44,380 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.01 11:04:44 BoogieIcfgContainer [2021-01-26 23:04:44,380 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-26 23:04:44,382 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-26 23:04:44,382 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-26 23:04:44,386 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-26 23:04:44,386 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.01 11:04:42" (1/3) ... [2021-01-26 23:04:44,387 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a254a2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.01 11:04:44, skipping insertion in model container [2021-01-26 23:04:44,387 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 11:04:43" (2/3) ... [2021-01-26 23:04:44,388 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a254a2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.01 11:04:44, skipping insertion in model container [2021-01-26 23:04:44,388 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.01 11:04:44" (3/3) ... [2021-01-26 23:04:44,390 INFO L111 eAbstractionObserver]: Analyzing ICFG safe028_tso.opt.i [2021-01-26 23:04:44,406 WARN L168 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-01-26 23:04:44,406 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-26 23:04:44,410 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-01-26 23:04:44,411 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-01-26 23:04:44,441 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:04:44,441 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:04:44,442 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:04:44,442 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:04:44,442 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:04:44,442 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:04:44,443 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:04:44,443 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:04:44,443 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:04:44,443 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:04:44,444 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:04:44,444 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:04:44,444 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:04:44,445 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:04:44,445 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:04:44,445 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:04:44,445 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:04:44,445 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:04:44,445 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:04:44,446 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:04:44,446 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:04:44,446 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:04:44,446 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:04:44,447 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:04:44,447 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:04:44,447 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:04:44,447 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:04:44,447 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:04:44,448 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:04:44,448 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:04:44,448 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:04:44,448 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:04:44,449 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:04:44,449 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:04:44,449 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:04:44,449 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:04:44,452 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:04:44,452 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:04:44,452 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:04:44,452 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:04:44,460 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:04:44,460 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:04:44,460 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:04:44,461 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:04:44,465 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:04:44,465 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:04:44,465 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:04:44,465 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:04:44,468 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-01-26 23:04:44,484 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-01-26 23:04:44,523 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-26 23:04:44,523 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-26 23:04:44,523 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-26 23:04:44,524 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-26 23:04:44,524 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-26 23:04:44,524 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-26 23:04:44,524 INFO L383 AbstractCegarLoop]: Minimize is NONE [2021-01-26 23:04:44,524 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== Size of Word is: 59 and size of Sequence is : 60[2021-01-26 23:04:44,562 INFO L164 SleepSetCegar]: Size of mCounterexample is: 60 [2021-01-26 23:04:44,562 INFO L165 SleepSetCegar]: [90#[ULTIMATE.startENTRY]don't care, 92#[L-1]don't care, 94#[L-1-1]don't care, 96#[L17]don't care, 98#[L17-1]don't care, 100#[L17-2]don't care, 102#[L17-3]don't care, 104#[L17-4]don't care, 106#[L711]don't care, 108#[L713]don't care, 110#[L715]don't care, 112#[L716]don't care, 114#[L717]don't care, 116#[L719]don't care, 118#[L721]don't care, 120#[L-1-2]don't care, 122#[L-1-3]don't care, 124#[L777]don't care, 126#[L777-1]don't care, 128#[L778]don't care, 130#[L778-1, P0ENTRY]don't care, 134#[P0ENTRY, L779]don't care, 138#[L724, L779]don't care, 140#[L726, L779]don't care, 146#[L779, L731]don't care, 150#[L736, L779]don't care, 152#[P0FINAL, L779]don't care, 158#[P0EXIT, L779]don't care, 160#[P0EXIT, L779-1]don't care, 162#[P0EXIT, L780]don't care, 164#[P0EXIT, P1ENTRY, L780-1]don't care, 166#[P0EXIT, P1ENTRY, L781]don't care, 170#[P0EXIT, P1ENTRY, L781-1]don't care, 176#[P0EXIT, L782, P1ENTRY]don't care, 180#[P0EXIT, L741, L782]don't care, 182#[P0EXIT, L782, L743]don't care, 186#[P0EXIT, L748, L782]don't care, 192#[P0EXIT, P1FINAL, L782]don't care, 196#[P0EXIT, L782, P1EXIT]don't care, 198#[P0EXIT, P2ENTRY, L782-1, P1EXIT]don't care, 200#[P0EXIT, L753, L782-1, P1EXIT]don't care, 204#[P0EXIT, L782-1, L755, P1EXIT]don't care, 208#[P0EXIT, L782-1, L758, P1EXIT]don't care, 212#[P0EXIT, L763, L782-1, P1EXIT]don't care, 218#[P0EXIT, L782-1, P1EXIT, P2FINAL]don't care, 220#[P0EXIT, P2EXIT, L782-1, P1EXIT]don't care, 224#[P0EXIT, P2EXIT, L783, P1EXIT]don't care, 226#[P0EXIT, P2EXIT, P1EXIT, L785]don't care, 228#[P0EXIT, P2EXIT, L786, P1EXIT]don't care, 230#[P0EXIT, P2EXIT, P1EXIT, L2]don't care, 232#[P0EXIT, P2EXIT, L3, P1EXIT]don't care, 234#[P0EXIT, P2EXIT, L2-1, P1EXIT]don't care, 238#[P0EXIT, P2EXIT, L791, P1EXIT]don't care, 240#[P0EXIT, P2EXIT, L792, P1EXIT]don't care, 242#[P0EXIT, P2EXIT, P1EXIT, L18]don't care, 244#[P0EXIT, P2EXIT, L18-1, P1EXIT]don't care, 246#[P0EXIT, P2EXIT, L18-2, P1EXIT]don't care, 250#[P0EXIT, P2EXIT, L17-5, P1EXIT]don't care, 254#[P0EXIT, P2EXIT, L17-7, P1EXIT]don't care, 258#[P0EXIT, P2EXIT, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1EXIT]don't care] [2021-01-26 23:04:44,563 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-26 23:04:44,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 23:04:44,570 INFO L82 PathProgramCache]: Analyzing trace with hash 114337080, now seen corresponding path program 1 times [2021-01-26 23:04:44,581 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 23:04:44,581 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1134107603] [2021-01-26 23:04:44,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 23:04:44,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 23:04:45,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-26 23:04:45,159 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1134107603] [2021-01-26 23:04:45,160 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-26 23:04:45,161 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-01-26 23:04:45,162 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1739154287] [2021-01-26 23:04:45,174 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-01-26 23:04:45,175 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-26 23:04:45,197 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-01-26 23:04:45,200 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-01-26 23:04:45,203 INFO L481 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-01-26 23:04:45,206 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 7 states have internal predecessors, (59), 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) [2021-01-26 23:04:45,433 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check [2021-01-26 23:04:45,472 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check Size of Word is: 59 and size of Sequence is : 60[2021-01-26 23:04:45,511 INFO L164 SleepSetCegar]: Size of mCounterexample is: 60 [2021-01-26 23:04:45,512 INFO L165 SleepSetCegar]: [266#[ULTIMATE.startENTRY]true, 267#[L-1]true, 268#[L-1-1]true, 269#[L17]true, 270#[L17-1]true, 271#[L17-2]true, 272#[L17-3]true, 273#[L17-4]true, 274#[L711]true, 275#[L713]true, 276#[L715]true, 277#[L716]true, 278#[L717]true, 279#[L719]true, 280#[L721]true, 281#[L-1-2]true, 282#[L-1-3]true, 283#[L777]true, 284#[L777-1]true, 285#[L778]true, 286#[L778-1, P0ENTRY]true, 288#[P0ENTRY, L779]true, 290#[L724, L779]true, 291#[L726, L779](= ~y~0 1), 294#[L779, L731](= ~y~0 1), 296#[L736, L779](= ~y~0 1), 297#[P0FINAL, L779](= ~y~0 1), 300#[P0EXIT, L779](= ~y~0 1), 301#[P0EXIT, L779-1](= ~y~0 1), 302#[P0EXIT, L780](= ~y~0 1), 303#[P0EXIT, P1ENTRY, L780-1](= ~y~0 1), 304#[P0EXIT, P1ENTRY, L781](= ~y~0 1), 306#[P0EXIT, P1ENTRY, L781-1](= ~y~0 1), 309#[P0EXIT, L782, P1ENTRY](= ~y~0 1), 311#[P0EXIT, L741, L782](= ~y~0 1), 312#[P0EXIT, L782, L743](= ~y~0 1), 314#[P0EXIT, L748, L782](= ~y~0 1), 317#[P0EXIT, P1FINAL, L782](= ~y~0 1), 319#[P0EXIT, L782, P1EXIT](= ~y~0 1), 320#[P0EXIT, P2ENTRY, L782-1, P1EXIT](= ~y~0 1), 321#[P0EXIT, L753, L782-1, P1EXIT](= ~y~0 1), 323#[P0EXIT, L782-1, L755, P1EXIT](= ~y~0 1), 328#[P0EXIT, L783, L755, P1EXIT](= ~y~0 1), 576#[P0EXIT, L755, P1EXIT, L785](= ~y~0 1), 579#[P0EXIT, L786, L755, P1EXIT](= ~y~0 1), 582#[P0EXIT, L755, P1EXIT, L2](= ~y~0 1), 585#[P0EXIT, L3, L755, P1EXIT](= ~y~0 1), 590#[P0EXIT, L755, L2-1, P1EXIT](= ~y~0 1), 595#[P0EXIT, L755, L791, P1EXIT](= ~y~0 1), 599#[P0EXIT, L791, L758, P1EXIT](and (= ~y~0 1) (= ~__unbuffered_p2_EBX~0 1)), 601#[P0EXIT, L763, L791, P1EXIT](and (= ~y~0 1) (= ~__unbuffered_p2_EBX~0 1)), 603#[P0EXIT, L791, P1EXIT, P2FINAL](and (= ~y~0 1) (= ~__unbuffered_p2_EBX~0 1)), 605#[P0EXIT, P2EXIT, L791, P1EXIT](and (= ~y~0 1) (= ~__unbuffered_p2_EBX~0 1)), 606#[P0EXIT, P2EXIT, L792, P1EXIT](and (= ~y~0 1) (= ~__unbuffered_p2_EBX~0 1)), 607#[P0EXIT, P2EXIT, P1EXIT, L18](and (= ~y~0 1) (= ~__unbuffered_p2_EBX~0 1)), 608#[P0EXIT, P2EXIT, L18-1, P1EXIT](and (= ~y~0 1) (= ~__unbuffered_p2_EBX~0 1)), 609#[P0EXIT, P2EXIT, L18-2, P1EXIT](and (= ~y~0 1) (= ~__unbuffered_p2_EBX~0 1)), 611#[P0EXIT, P2EXIT, L17-5, P1EXIT](and (= ~y~0 1) (= ~__unbuffered_p2_EBX~0 1)), 613#[P0EXIT, P2EXIT, L17-7, P1EXIT](and (= ~y~0 1) (= ~__unbuffered_p2_EBX~0 1)), 615#[P0EXIT, P2EXIT, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1EXIT](and (= ~y~0 1) (= ~__unbuffered_p2_EBX~0 1))] [2021-01-26 23:04:45,513 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-26 23:04:45,513 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-26 23:04:45,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 23:04:45,514 INFO L82 PathProgramCache]: Analyzing trace with hash -309118092, now seen corresponding path program 2 times [2021-01-26 23:04:45,514 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 23:04:45,515 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1036849685] [2021-01-26 23:04:45,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 23:04:45,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 23:04:45,721 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-26 23:04:45,722 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1036849685] [2021-01-26 23:04:45,722 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-26 23:04:45,722 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-01-26 23:04:45,722 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [77003479] [2021-01-26 23:04:45,724 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-01-26 23:04:45,725 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-26 23:04:45,726 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-01-26 23:04:45,726 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-01-26 23:04:45,726 INFO L481 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-01-26 23:04:45,727 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 7.375) internal successors, (59), 8 states have internal predecessors, (59), 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) [2021-01-26 23:04:46,048 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check [2021-01-26 23:04:46,265 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check [2021-01-26 23:04:46,287 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check [2021-01-26 23:04:46,330 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check [2021-01-26 23:04:46,432 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check [2021-01-26 23:04:46,745 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check [2021-01-26 23:04:46,758 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check [2021-01-26 23:04:46,769 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check [2021-01-26 23:04:46,804 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check [2021-01-26 23:04:46,873 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check [2021-01-26 23:04:46,997 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check [2021-01-26 23:04:47,078 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check Size of Word is: 59 and size of Sequence is : 60[2021-01-26 23:04:47,088 INFO L164 SleepSetCegar]: Size of mCounterexample is: 60 [2021-01-26 23:04:47,089 INFO L165 SleepSetCegar]: [625#[ULTIMATE.startENTRY]true, 627#[L-1]true, 629#[L-1-1]true, 631#[L17]true, 633#[L17-1]true, 635#[L17-2]true, 637#[L17-3]true, 639#[L17-4]true, 641#[L711](= ~__unbuffered_cnt~0 0), 643#[L713](= ~__unbuffered_cnt~0 0), 645#[L715](= ~__unbuffered_cnt~0 0), 647#[L716](= ~__unbuffered_cnt~0 0), 651#[L717](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 653#[L719](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 655#[L721](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 657#[L-1-2](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 659#[L-1-3](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 661#[L777](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 663#[L777-1](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 665#[L778](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 667#[L778-1, P0ENTRY](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 671#[P0ENTRY, L779](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 675#[L724, L779](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 679#[L724, L779-1](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 12400#[L724, L780](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 12405#[L724, P1ENTRY, L780-1](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 12413#[L724, P1ENTRY, L781](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 12423#[L724, P1ENTRY, L781-1](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 12435#[L724, L782, P1ENTRY](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 12445#[L724, L741, L782](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 12453#[L724, L782, L743](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 12463#[L748, L724, L782](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (<= ~__unbuffered_cnt~0 1) (<= ~main$tmp_guard0~0 0)), 12475#[P1FINAL, L724, L782](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (<= ~__unbuffered_cnt~0 1) (<= ~main$tmp_guard0~0 0)), 12485#[L724, L782, P1EXIT](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (<= ~__unbuffered_cnt~0 1) (<= ~main$tmp_guard0~0 0)), 12490#[P2ENTRY, L724, L782-1, P1EXIT](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (<= ~__unbuffered_cnt~0 1) (<= ~main$tmp_guard0~0 0)), 12498#[L753, L724, L782-1, P1EXIT](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (<= ~__unbuffered_cnt~0 1) (<= ~main$tmp_guard0~0 0)), 12508#[L724, L782-1, L755, P1EXIT](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (<= ~__unbuffered_cnt~0 1) (<= ~main$tmp_guard0~0 0)), 12518#[L724, L782-1, L758, P1EXIT](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (<= ~__unbuffered_cnt~0 1) (<= ~main$tmp_guard0~0 0)), 12529#[L726, L782-1, L758, P1EXIT](and (= ~y~0 1) (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (<= ~__unbuffered_cnt~0 1) (<= ~main$tmp_guard0~0 0)), 12540#[L782-1, L758, P1EXIT, L731](and (= ~y~0 1) (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (<= ~__unbuffered_cnt~0 1) (<= ~main$tmp_guard0~0 0)), 12549#[L736, L782-1, L758, P1EXIT](and (= ~y~0 1) (<= ~__unbuffered_cnt~0 2) (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (<= ~main$tmp_guard0~0 0)), 12558#[P0FINAL, L782-1, L758, P1EXIT](and (= ~y~0 1) (<= ~__unbuffered_cnt~0 2) (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (<= ~main$tmp_guard0~0 0)), 12567#[P0EXIT, L782-1, L758, P1EXIT](and (= ~y~0 1) (<= ~__unbuffered_cnt~0 2) (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (<= ~main$tmp_guard0~0 0)), 12573#[P0EXIT, L763, L782-1, P1EXIT](and (= ~y~0 1) (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (<= ~main$tmp_guard0~0 0)), 12581#[P0EXIT, L782-1, P1EXIT, P2FINAL](and (= ~y~0 1) (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (<= ~main$tmp_guard0~0 0)), 12585#[P0EXIT, P2EXIT, L782-1, P1EXIT](and (= ~y~0 1) (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (<= ~main$tmp_guard0~0 0)), 12590#[P0EXIT, P2EXIT, L783, P1EXIT](and (= ~y~0 1) (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (<= ~main$tmp_guard0~0 0)), 12593#[P0EXIT, P2EXIT, P1EXIT, L785](= ~y~0 1), 12596#[P0EXIT, P2EXIT, L786, P1EXIT](= ~y~0 1), 12599#[P0EXIT, P2EXIT, P1EXIT, L2](= ~y~0 1), 12602#[P0EXIT, P2EXIT, L3, P1EXIT](= ~y~0 1), 12606#[P0EXIT, P2EXIT, L2-1, P1EXIT](= ~y~0 1), 12611#[P0EXIT, P2EXIT, L791, P1EXIT](= ~y~0 1), 12614#[P0EXIT, P2EXIT, L792, P1EXIT](= ~y~0 1), 12617#[P0EXIT, P2EXIT, P1EXIT, L18](= ~y~0 1), 12620#[P0EXIT, P2EXIT, L18-1, P1EXIT](= ~y~0 1), 12624#[P0EXIT, P2EXIT, L18-2, P1EXIT](= ~y~0 1), 12629#[P0EXIT, P2EXIT, L17-5, P1EXIT](= ~y~0 1), 12634#[P0EXIT, P2EXIT, L17-7, P1EXIT](= ~y~0 1), 12639#[P0EXIT, P2EXIT, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1EXIT](= ~y~0 1)] [2021-01-26 23:04:47,089 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-26 23:04:47,089 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-26 23:04:47,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 23:04:47,090 INFO L82 PathProgramCache]: Analyzing trace with hash -1309610600, now seen corresponding path program 3 times [2021-01-26 23:04:47,090 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 23:04:47,091 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1333905395] [2021-01-26 23:04:47,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 23:04:47,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 23:04:47,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-26 23:04:47,310 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1333905395] [2021-01-26 23:04:47,310 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-26 23:04:47,310 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-01-26 23:04:47,311 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1521652205] [2021-01-26 23:04:47,311 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-01-26 23:04:47,312 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-26 23:04:47,312 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-01-26 23:04:47,313 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-01-26 23:04:47,313 INFO L481 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-01-26 23:04:47,313 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 7 states have internal predecessors, (59), 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) Size of Word is: 59 and size of Sequence is : 60[2021-01-26 23:04:48,377 INFO L164 SleepSetCegar]: Size of mCounterexample is: 60 [2021-01-26 23:04:48,378 INFO L165 SleepSetCegar]: [12648#[ULTIMATE.startENTRY]true, 12650#[L-1]true, 12652#[L-1-1]true, 12654#[L17]true, 12656#[L17-1]true, 12658#[L17-2]true, 12660#[L17-3]true, 12662#[L17-4]true, 12664#[L711](= ~__unbuffered_cnt~0 0), 12666#[L713](= ~__unbuffered_cnt~0 0), 12668#[L715](= ~__unbuffered_cnt~0 0), 12670#[L716](= ~__unbuffered_cnt~0 0), 12672#[L717](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 12674#[L719](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 12676#[L721](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 12678#[L-1-2](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 12680#[L-1-3](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 12682#[L777](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 12684#[L777-1](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 12686#[L778](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 12688#[L778-1, P0ENTRY](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 12692#[P0ENTRY, L779](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 12696#[L724, L779](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 12700#[L724, L779-1](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 20947#[L724, L780](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 20949#[L724, P1ENTRY, L780-1](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 20951#[L724, P1ENTRY, L781](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 20955#[L724, P1ENTRY, L781-1](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 20961#[L724, L782, P1ENTRY](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 20965#[L724, L741, L782](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 20969#[P2ENTRY, L724, L741, L782-1](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 28412#[L753, L724, L741, L782-1](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 28426#[L724, L741, L782-1, L755](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 28440#[L724, L741, L782-1, L758](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 28457#[L741, L726, L782-1, L758](and (= ~y~0 1) (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 28474#[L741, L782-1, L758, L731](and (= ~y~0 1) (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 28491#[L736, L741, L782-1, L758](and (= ~y~0 1) (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (<= ~__unbuffered_cnt~0 1) (<= ~main$tmp_guard0~0 0)), 28508#[L741, P0FINAL, L782-1, L758](and (= ~y~0 1) (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (<= ~__unbuffered_cnt~0 1) (<= ~main$tmp_guard0~0 0)), 28525#[P0EXIT, L741, L782-1, L758](and (= ~y~0 1) (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (<= ~__unbuffered_cnt~0 1) (<= ~main$tmp_guard0~0 0)), 28535#[P0EXIT, L743, L782-1, L758](and (= ~x~0 1) (= ~y~0 1) (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (<= ~__unbuffered_cnt~0 1) (<= ~main$tmp_guard0~0 0)), 28541#[P0EXIT, L748, L782-1, L758](and (= ~x~0 1) (= ~y~0 1) (<= ~__unbuffered_cnt~0 2) (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (<= ~main$tmp_guard0~0 0)), 28549#[P0EXIT, P1FINAL, L782-1, L758](and (= ~x~0 1) (= ~y~0 1) (<= ~__unbuffered_cnt~0 2) (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (<= ~main$tmp_guard0~0 0)), 28557#[P0EXIT, L782-1, L758, P1EXIT](and (= ~x~0 1) (= ~y~0 1) (<= ~__unbuffered_cnt~0 2) (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (<= ~main$tmp_guard0~0 0)), 28559#[P0EXIT, L763, L782-1, P1EXIT](and (= ~x~0 1) (= ~y~0 1) (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (<= ~main$tmp_guard0~0 0)), 28565#[P0EXIT, L782-1, P1EXIT, P2FINAL](and (= ~x~0 1) (= ~y~0 1) (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (<= ~main$tmp_guard0~0 0)), 28567#[P0EXIT, P2EXIT, L782-1, P1EXIT](and (= ~x~0 1) (= ~y~0 1) (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (<= ~main$tmp_guard0~0 0)), 28571#[P0EXIT, P2EXIT, L783, P1EXIT](and (= ~x~0 1) (= ~y~0 1) (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (<= ~main$tmp_guard0~0 0)), 28573#[P0EXIT, P2EXIT, P1EXIT, L785](and (= ~x~0 1) (= ~y~0 1)), 28575#[P0EXIT, P2EXIT, L786, P1EXIT](and (= ~x~0 1) (= ~y~0 1)), 28577#[P0EXIT, P2EXIT, P1EXIT, L2](and (= ~x~0 1) (= ~y~0 1)), 28579#[P0EXIT, P2EXIT, L3, P1EXIT](and (= ~x~0 1) (= ~y~0 1)), 28581#[P0EXIT, P2EXIT, L2-1, P1EXIT](and (= ~x~0 1) (= ~y~0 1)), 28585#[P0EXIT, P2EXIT, L791, P1EXIT](and (= ~x~0 1) (= ~y~0 1)), 28587#[P0EXIT, P2EXIT, L792, P1EXIT](and (= ~x~0 1) (= ~y~0 1)), 28589#[P0EXIT, P2EXIT, P1EXIT, L18](and (= ~x~0 1) (= ~y~0 1)), 28591#[P0EXIT, P2EXIT, L18-1, P1EXIT](and (= ~x~0 1) (= ~y~0 1)), 28593#[P0EXIT, P2EXIT, L18-2, P1EXIT](and (= ~x~0 1) (= ~y~0 1)), 28597#[P0EXIT, P2EXIT, L17-5, P1EXIT](and (= ~x~0 1) (= ~y~0 1)), 28601#[P0EXIT, P2EXIT, L17-7, P1EXIT](and (= ~x~0 1) (= ~y~0 1)), 28605#[P0EXIT, P2EXIT, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1EXIT](and (= ~x~0 1) (= ~y~0 1))] [2021-01-26 23:04:48,378 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-01-26 23:04:48,378 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-26 23:04:48,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 23:04:48,379 INFO L82 PathProgramCache]: Analyzing trace with hash 746339156, now seen corresponding path program 4 times [2021-01-26 23:04:48,379 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 23:04:48,380 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151912992] [2021-01-26 23:04:48,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 23:04:48,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 23:04:48,590 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-26 23:04:48,591 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [151912992] [2021-01-26 23:04:48,591 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-26 23:04:48,591 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-01-26 23:04:48,592 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1863037298] [2021-01-26 23:04:48,592 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-01-26 23:04:48,592 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-26 23:04:48,593 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-01-26 23:04:48,594 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-01-26 23:04:48,594 INFO L481 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-01-26 23:04:48,594 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 7 states have internal predecessors, (59), 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) [2021-01-26 23:04:48,726 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check [2021-01-26 23:04:49,207 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check [2021-01-26 23:04:50,488 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-01-26 23:04:50,493 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.01 11:04:50 BasicIcfg [2021-01-26 23:04:50,494 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-01-26 23:04:50,496 INFO L168 Benchmark]: Toolchain (without parser) took 7726.09 ms. Allocated memory was 302.0 MB in the beginning and 482.3 MB in the end (delta: 180.4 MB). Free memory was 277.5 MB in the beginning and 275.3 MB in the end (delta: 2.3 MB). Peak memory consumption was 220.5 MB. Max. memory is 16.0 GB. [2021-01-26 23:04:50,497 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 302.0 MB. Free memory is still 271.9 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-01-26 23:04:50,498 INFO L168 Benchmark]: CACSL2BoogieTranslator took 699.92 ms. Allocated memory is still 302.0 MB. Free memory was 276.5 MB in the beginning and 245.7 MB in the end (delta: 30.7 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.0 GB. [2021-01-26 23:04:50,499 INFO L168 Benchmark]: Boogie Procedure Inliner took 51.65 ms. Allocated memory is still 302.0 MB. Free memory was 245.7 MB in the beginning and 243.8 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-01-26 23:04:50,500 INFO L168 Benchmark]: Boogie Preprocessor took 64.49 ms. Allocated memory is still 302.0 MB. Free memory was 243.8 MB in the beginning and 285.0 MB in the end (delta: -41.2 MB). Peak memory consumption was 6.5 MB. Max. memory is 16.0 GB. [2021-01-26 23:04:50,501 INFO L168 Benchmark]: RCFGBuilder took 771.01 ms. Allocated memory is still 302.0 MB. Free memory was 285.0 MB in the beginning and 262.8 MB in the end (delta: 22.2 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.0 GB. [2021-01-26 23:04:50,502 INFO L168 Benchmark]: TraceAbstraction took 6111.72 ms. Allocated memory was 302.0 MB in the beginning and 482.3 MB in the end (delta: 180.4 MB). Free memory was 261.8 MB in the beginning and 275.3 MB in the end (delta: -13.5 MB). Peak memory consumption was 205.6 MB. Max. memory is 16.0 GB. [2021-01-26 23:04:50,506 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 302.0 MB. Free memory is still 271.9 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 699.92 ms. Allocated memory is still 302.0 MB. Free memory was 276.5 MB in the beginning and 245.7 MB in the end (delta: 30.7 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 51.65 ms. Allocated memory is still 302.0 MB. Free memory was 245.7 MB in the beginning and 243.8 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 64.49 ms. Allocated memory is still 302.0 MB. Free memory was 243.8 MB in the beginning and 285.0 MB in the end (delta: -41.2 MB). Peak memory consumption was 6.5 MB. Max. memory is 16.0 GB. * RCFGBuilder took 771.01 ms. Allocated memory is still 302.0 MB. Free memory was 285.0 MB in the beginning and 262.8 MB in the end (delta: 22.2 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.0 GB. * TraceAbstraction took 6111.72 ms. Allocated memory was 302.0 MB in the beginning and 482.3 MB in the end (delta: 180.4 MB). Free memory was 261.8 MB in the beginning and 275.3 MB in the end (delta: -13.5 MB). Peak memory consumption was 205.6 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 17]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 76 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 5.9s, OverallIterations: 4, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 236 NumberOfCodeBlocks, 236 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 232 ConstructedInterpolants, 0 QuantifiedInterpolants, 35032 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...