/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/safe022_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-6f57305 [2021-01-26 23:01:06,533 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-26 23:01:06,537 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-26 23:01:06,610 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-26 23:01:06,611 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-26 23:01:06,615 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-26 23:01:06,618 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-26 23:01:06,626 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-26 23:01:06,629 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-26 23:01:06,635 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-26 23:01:06,636 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-26 23:01:06,638 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-26 23:01:06,638 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-26 23:01:06,642 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-26 23:01:06,644 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-26 23:01:06,646 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-26 23:01:06,647 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-26 23:01:06,650 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-26 23:01:06,656 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-26 23:01:06,664 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-26 23:01:06,666 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-26 23:01:06,668 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-26 23:01:06,670 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-26 23:01:06,672 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-26 23:01:06,681 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-01-26 23:01:06,682 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-01-26 23:01:06,682 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-01-26 23:01:06,685 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-01-26 23:01:06,686 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-01-26 23:01:06,687 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-01-26 23:01:06,687 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-26 23:01:06,688 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-26 23:01:06,690 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-26 23:01:06,691 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-26 23:01:06,692 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-26 23:01:06,693 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-26 23:01:06,693 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-26 23:01:06,694 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-26 23:01:06,694 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-26 23:01:06,695 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-26 23:01:06,696 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-26 23:01:06,697 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 23:01:06,751 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-26 23:01:06,751 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-26 23:01:06,755 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-26 23:01:06,756 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-26 23:01:06,756 INFO L138 SettingsManager]: * Use SBE=true [2021-01-26 23:01:06,756 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-26 23:01:06,757 INFO L138 SettingsManager]: * sizeof long=4 [2021-01-26 23:01:06,757 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-26 23:01:06,757 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-01-26 23:01:06,758 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-26 23:01:06,759 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-26 23:01:06,760 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-26 23:01:06,760 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-26 23:01:06,760 INFO L138 SettingsManager]: * sizeof long double=12 [2021-01-26 23:01:06,761 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-26 23:01:06,761 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-26 23:01:06,761 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-26 23:01:06,762 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-26 23:01:06,762 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-26 23:01:06,762 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-01-26 23:01:06,763 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-26 23:01:06,763 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-26 23:01:06,763 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-26 23:01:06,764 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-26 23:01:06,764 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-26 23:01:06,764 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-26 23:01:06,765 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-26 23:01:06,765 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-01-26 23:01:06,765 INFO L138 SettingsManager]: * Lazy Petri-NFA conversion=true [2021-01-26 23:01:06,765 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=SLEEP_SET_FA [2021-01-26 23:01:06,766 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-26 23:01:06,766 INFO L138 SettingsManager]: * Minimization of abstraction=NONE [2021-01-26 23:01:06,766 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-01-26 23:01:06,766 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-26 23:01:07,169 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-26 23:01:07,214 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-26 23:01:07,217 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-26 23:01:07,219 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-26 23:01:07,220 INFO L275 PluginConnector]: CDTParser initialized [2021-01-26 23:01:07,221 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe022_tso.opt.i [2021-01-26 23:01:07,302 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/17f410bcd/5e88112194ba42c0ba54f4897a144447/FLAG810a263a2 [2021-01-26 23:01:08,044 INFO L306 CDTParser]: Found 1 translation units. [2021-01-26 23:01:08,045 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe022_tso.opt.i [2021-01-26 23:01:08,067 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/17f410bcd/5e88112194ba42c0ba54f4897a144447/FLAG810a263a2 [2021-01-26 23:01:08,276 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/17f410bcd/5e88112194ba42c0ba54f4897a144447 [2021-01-26 23:01:08,278 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-26 23:01:08,289 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-01-26 23:01:08,291 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-26 23:01:08,292 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-26 23:01:08,296 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-26 23:01:08,297 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.01 11:01:08" (1/1) ... [2021-01-26 23:01:08,302 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6469b895 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 11:01:08, skipping insertion in model container [2021-01-26 23:01:08,302 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.01 11:01:08" (1/1) ... [2021-01-26 23:01:08,310 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-26 23:01:08,379 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-01-26 23:01:08,786 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-26 23:01:08,800 INFO L203 MainTranslator]: Completed pre-run [2021-01-26 23:01:08,878 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-26 23:01:09,028 INFO L208 MainTranslator]: Completed translation [2021-01-26 23:01:09,030 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 11:01:09 WrapperNode [2021-01-26 23:01:09,033 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-26 23:01:09,035 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-26 23:01:09,035 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-26 23:01:09,035 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-26 23:01:09,043 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 11:01:09" (1/1) ... [2021-01-26 23:01:09,059 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 11:01:09" (1/1) ... [2021-01-26 23:01:09,082 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-26 23:01:09,083 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-26 23:01:09,083 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-26 23:01:09,083 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-26 23:01:09,093 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 11:01:09" (1/1) ... [2021-01-26 23:01:09,093 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 11:01:09" (1/1) ... [2021-01-26 23:01:09,096 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 11:01:09" (1/1) ... [2021-01-26 23:01:09,097 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 11:01:09" (1/1) ... [2021-01-26 23:01:09,103 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 11:01:09" (1/1) ... [2021-01-26 23:01:09,106 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 11:01:09" (1/1) ... [2021-01-26 23:01:09,108 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 11:01:09" (1/1) ... [2021-01-26 23:01:09,111 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-26 23:01:09,113 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-26 23:01:09,113 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-26 23:01:09,113 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-26 23:01:09,114 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 11:01:09" (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 23:01:09,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-01-26 23:01:09,202 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-01-26 23:01:09,202 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-26 23:01:09,203 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-01-26 23:01:09,203 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-01-26 23:01:09,204 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-01-26 23:01:09,204 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-01-26 23:01:09,204 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-01-26 23:01:09,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-26 23:01:09,204 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-01-26 23:01:09,205 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-26 23:01:09,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-26 23:01:09,207 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 23:01:09,742 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-26 23:01:09,742 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2021-01-26 23:01:09,745 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.01 11:01:09 BoogieIcfgContainer [2021-01-26 23:01:09,746 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-26 23:01:09,748 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-26 23:01:09,748 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-26 23:01:09,752 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-26 23:01:09,752 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.01 11:01:08" (1/3) ... [2021-01-26 23:01:09,753 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58319142 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.01 11:01:09, skipping insertion in model container [2021-01-26 23:01:09,754 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 11:01:09" (2/3) ... [2021-01-26 23:01:09,754 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58319142 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.01 11:01:09, skipping insertion in model container [2021-01-26 23:01:09,754 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.01 11:01:09" (3/3) ... [2021-01-26 23:01:09,756 INFO L111 eAbstractionObserver]: Analyzing ICFG safe022_tso.opt.i [2021-01-26 23:01:09,778 WARN L168 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-01-26 23:01:09,778 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-26 23:01:09,782 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-01-26 23:01:09,783 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-01-26 23:01:09,823 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:01:09,823 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:01:09,824 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:01:09,824 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:01:09,824 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:01:09,824 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:01:09,825 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:01:09,825 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:01:09,827 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:01:09,827 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:01:09,827 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:01:09,828 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:01:09,828 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:01:09,829 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:01:09,829 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:01:09,829 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:01:09,830 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:01:09,830 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:01:09,830 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:01:09,830 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:01:09,831 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:01:09,831 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:01:09,831 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:01:09,832 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:01:09,839 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:01:09,840 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:01:09,840 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:01:09,841 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:01:09,848 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:01:09,849 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:01:09,849 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:01:09,849 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:01:09,854 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-01-26 23:01:09,869 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-01-26 23:01:09,912 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-26 23:01:09,912 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-26 23:01:09,913 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-26 23:01:09,913 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-26 23:01:09,913 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-26 23:01:09,913 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-26 23:01:09,913 INFO L383 AbstractCegarLoop]: Minimize is NONE [2021-01-26 23:01:09,914 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== Size of Word is: 49 and size of Sequence is : 50[2021-01-26 23:01:09,996 INFO L164 SleepSetCegar]: Size of mCounterexample is: 50 [2021-01-26 23:01:09,996 INFO L165 SleepSetCegar]: [74#[ULTIMATE.startENTRY]don't care, 76#[L-1]don't care, 78#[L-1-1]don't care, 80#[L17]don't care, 82#[L17-1]don't care, 84#[L17-2]don't care, 86#[L17-3]don't care, 88#[L17-4]don't care, 90#[L710]don't care, 92#[L712]don't care, 94#[L713]don't care, 96#[L714]don't care, 98#[L716]don't care, 100#[L718]don't care, 102#[L-1-2]don't care, 104#[L-1-3]don't care, 106#[L760]don't care, 108#[L760-1]don't care, 110#[L761]don't care, 112#[P0ENTRY, L761-1]don't care, 116#[L721, L761-1]don't care, 118#[L723, L761-1]don't care, 124#[L726, L761-1]don't care, 128#[L731, L761-1]don't care, 130#[P0FINAL, L761-1]don't care, 134#[P0EXIT, L761-1]don't care, 138#[P0EXIT, L762]don't care, 140#[L762-1, P0EXIT]don't care, 142#[L763, P0EXIT]don't care, 144#[L763-1, P1ENTRY, P0EXIT]don't care, 146#[L764, P1ENTRY, P0EXIT]don't care, 152#[L764, P0EXIT, L736]don't care, 156#[L764, L738, P0EXIT]don't care, 160#[L764, L741, P0EXIT]don't care, 164#[L764, P0EXIT, L746]don't care, 168#[P1FINAL, L764, P0EXIT]don't care, 172#[L764, P0EXIT, P1EXIT]don't care, 174#[P0EXIT, L766, P1EXIT]don't care, 176#[P0EXIT, P1EXIT, L767]don't care, 178#[P0EXIT, P1EXIT, L2]don't care, 180#[L3, P0EXIT, P1EXIT]don't care, 184#[P0EXIT, L2-1, P1EXIT]don't care, 186#[P0EXIT, L772, P1EXIT]don't care, 188#[P0EXIT, L773, P1EXIT]don't care, 190#[P0EXIT, L18, P1EXIT]don't care, 192#[P0EXIT, L18-1, P1EXIT]don't care, 194#[L18-2, P0EXIT, P1EXIT]don't care, 198#[P0EXIT, L17-5, P1EXIT]don't care, 202#[L17-7, P0EXIT, P1EXIT]don't care, 204#[ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0EXIT, P1EXIT]don't care] [2021-01-26 23:01:09,997 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-26 23:01:10,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 23:01:10,004 INFO L82 PathProgramCache]: Analyzing trace with hash 1961712272, now seen corresponding path program 1 times [2021-01-26 23:01:10,015 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 23:01:10,015 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1082770217] [2021-01-26 23:01:10,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 23:01:10,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 23:01:10,548 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 23:01:10,549 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1082770217] [2021-01-26 23:01:10,550 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-26 23:01:10,550 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-01-26 23:01:10,551 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1877692040] [2021-01-26 23:01:10,562 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-01-26 23:01:10,562 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-26 23:01:10,579 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-01-26 23:01:10,582 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-01-26 23:01:10,584 INFO L481 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-01-26 23:01:10,587 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 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 23:01:10,747 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check Size of Word is: 49 and size of Sequence is : 50[2021-01-26 23:01:10,783 INFO L164 SleepSetCegar]: Size of mCounterexample is: 50 [2021-01-26 23:01:10,784 INFO L165 SleepSetCegar]: [214#[ULTIMATE.startENTRY]true, 215#[L-1]true, 216#[L-1-1]true, 217#[L17]true, 218#[L17-1]true, 219#[L17-2]true, 220#[L17-3]true, 221#[L17-4]true, 222#[L710]true, 223#[L712]true, 224#[L713]true, 225#[L714]true, 226#[L716]true, 227#[L718]true, 228#[L-1-2]true, 229#[L-1-3]true, 230#[L760]true, 231#[L760-1]true, 232#[L761]true, 233#[P0ENTRY, L761-1]true, 235#[L721, L761-1]true, 236#[L723, L761-1](= ~y~0 1), 239#[L726, L761-1](= ~y~0 1), 241#[L731, L761-1](= ~y~0 1), 242#[P0FINAL, L761-1](= ~y~0 1), 244#[P0EXIT, L761-1](= ~y~0 1), 246#[P0EXIT, L762](= ~y~0 1), 247#[L762-1, P0EXIT](= ~y~0 1), 248#[L763, P0EXIT](= ~y~0 1), 249#[L763-1, P1ENTRY, P0EXIT](= ~y~0 1), 250#[L764, P1ENTRY, P0EXIT](= ~y~0 1), 253#[L764, P0EXIT, L736](= ~y~0 1), 255#[L764, L738, P0EXIT](= ~y~0 1), 256#[L738, P0EXIT, L766](= ~y~0 1), 473#[L738, P0EXIT, L767](= ~y~0 1), 476#[L738, P0EXIT, L2](= ~y~0 1), 479#[L738, L3, P0EXIT](= ~y~0 1), 485#[L738, P0EXIT, L2-1](= ~y~0 1), 489#[L738, P0EXIT, L772](= ~y~0 1), 492#[L741, P0EXIT, L772](and (= ~y~0 1) (= ~__unbuffered_p1_EBX~0 1)), 494#[P0EXIT, L746, L772](and (= ~y~0 1) (= ~__unbuffered_p1_EBX~0 1)), 496#[P1FINAL, P0EXIT, L772](and (= ~y~0 1) (= ~__unbuffered_p1_EBX~0 1)), 498#[P0EXIT, L772, P1EXIT](and (= ~y~0 1) (= ~__unbuffered_p1_EBX~0 1)), 500#[P0EXIT, L773, P1EXIT](and (= ~y~0 1) (= ~__unbuffered_p1_EBX~0 1)), 501#[P0EXIT, L18, P1EXIT](and (= ~y~0 1) (= ~__unbuffered_p1_EBX~0 1)), 502#[P0EXIT, L18-1, P1EXIT](and (= ~y~0 1) (= ~__unbuffered_p1_EBX~0 1)), 503#[L18-2, P0EXIT, P1EXIT](and (= ~y~0 1) (= ~__unbuffered_p1_EBX~0 1)), 505#[P0EXIT, L17-5, P1EXIT](and (= ~y~0 1) (= ~__unbuffered_p1_EBX~0 1)), 507#[L17-7, P0EXIT, P1EXIT](and (= ~y~0 1) (= ~__unbuffered_p1_EBX~0 1)), 508#[ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0EXIT, P1EXIT](and (= ~y~0 1) (= ~__unbuffered_p1_EBX~0 1))] [2021-01-26 23:01:10,785 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-26 23:01:10,785 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-26 23:01:10,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 23:01:10,786 INFO L82 PathProgramCache]: Analyzing trace with hash -656874224, now seen corresponding path program 2 times [2021-01-26 23:01:10,786 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 23:01:10,787 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [729313340] [2021-01-26 23:01:10,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 23:01:10,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 23:01:10,957 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 23:01:10,957 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [729313340] [2021-01-26 23:01:10,958 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-26 23:01:10,958 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-01-26 23:01:10,958 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1047493162] [2021-01-26 23:01:10,960 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-01-26 23:01:10,960 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-26 23:01:10,961 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-01-26 23:01:10,962 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-01-26 23:01:10,962 INFO L481 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-01-26 23:01:10,962 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 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 23:01:11,021 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check [2021-01-26 23:01:11,275 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check [2021-01-26 23:01:11,305 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check [2021-01-26 23:01:11,339 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check [2021-01-26 23:01:11,438 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check [2021-01-26 23:01:11,461 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check Size of Word is: 49 and size of Sequence is : 50[2021-01-26 23:01:11,473 INFO L164 SleepSetCegar]: Size of mCounterexample is: 50 [2021-01-26 23:01:11,474 INFO L165 SleepSetCegar]: [518#[ULTIMATE.startENTRY]true, 520#[L-1]true, 522#[L-1-1]true, 524#[L17]true, 526#[L17-1]true, 528#[L17-2]true, 530#[L17-3]true, 532#[L17-4]true, 534#[L710](= ~__unbuffered_cnt~0 0), 536#[L712](= ~__unbuffered_cnt~0 0), 538#[L713](= ~__unbuffered_cnt~0 0), 542#[L714](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 544#[L716](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 546#[L718](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 548#[L-1-2](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 550#[L-1-3](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 552#[L760](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 554#[L760-1](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 556#[L761](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 558#[P0ENTRY, L761-1](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 562#[L721, L761-1](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 566#[L721, L762](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 2600#[L762-1, L721](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 2605#[L763, L721](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 2610#[L763-1, P1ENTRY, L721](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 2618#[L764, P1ENTRY, L721](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 2630#[L764, L721, L736](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 2640#[L764, L738, L721](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 2650#[L764, L721, L741](and (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 2661#[L764, L723, L741](and (= ~y~0 1) (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 2670#[L764, L741, L726](and (= ~y~0 1) (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0)), 2681#[L731, L764, L741](and (= ~y~0 1) (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (<= ~__unbuffered_cnt~0 1) (<= ~main$tmp_guard0~0 0)), 2686#[P0FINAL, L764, L741](and (= ~y~0 1) (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (<= ~__unbuffered_cnt~0 1) (<= ~main$tmp_guard0~0 0)), 2697#[L764, L741, P0EXIT](and (= ~y~0 1) (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (<= ~__unbuffered_cnt~0 1) (<= ~main$tmp_guard0~0 0)), 2705#[L764, P0EXIT, L746](and (= ~y~0 1) (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (<= ~main$tmp_guard0~0 0)), 2711#[P1FINAL, L764, P0EXIT](and (= ~y~0 1) (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (<= ~main$tmp_guard0~0 0)), 2717#[L764, P0EXIT, P1EXIT](and (= ~y~0 1) (< 0 (+ (div ~main$tmp_guard0~0 256) 1)) (<= ~main$tmp_guard0~0 0)), 2720#[P0EXIT, L766, P1EXIT](= ~y~0 1), 2723#[P0EXIT, P1EXIT, L767](= ~y~0 1), 2726#[P0EXIT, P1EXIT, L2](= ~y~0 1), 2729#[L3, P0EXIT, P1EXIT](= ~y~0 1), 2735#[P0EXIT, L2-1, P1EXIT](= ~y~0 1), 2738#[P0EXIT, L772, P1EXIT](= ~y~0 1), 2741#[P0EXIT, L773, P1EXIT](= ~y~0 1), 2744#[P0EXIT, L18, P1EXIT](= ~y~0 1), 2747#[P0EXIT, L18-1, P1EXIT](= ~y~0 1), 2751#[L18-2, P0EXIT, P1EXIT](= ~y~0 1), 2756#[P0EXIT, L17-5, P1EXIT](= ~y~0 1), 2761#[L17-7, P0EXIT, P1EXIT](= ~y~0 1), 2764#[ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0EXIT, P1EXIT](= ~y~0 1)] [2021-01-26 23:01:11,474 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-26 23:01:11,475 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-26 23:01:11,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 23:01:11,476 INFO L82 PathProgramCache]: Analyzing trace with hash 358393950, now seen corresponding path program 3 times [2021-01-26 23:01:11,476 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 23:01:11,476 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [873929330] [2021-01-26 23:01:11,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 23:01:11,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 23:01:11,701 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 23:01:11,702 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [873929330] [2021-01-26 23:01:11,702 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-26 23:01:11,706 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-01-26 23:01:11,706 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1111967447] [2021-01-26 23:01:11,707 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-01-26 23:01:11,707 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-26 23:01:11,708 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-01-26 23:01:11,711 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-01-26 23:01:11,711 INFO L481 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-01-26 23:01:11,712 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 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 23:01:11,833 WARN L160 IndependenceRelation]: Requesting ManagedScript unlock before implication check [2021-01-26 23:01:12,076 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-01-26 23:01:12,082 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.01 11:01:12 BasicIcfg [2021-01-26 23:01:12,082 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-01-26 23:01:12,086 INFO L168 Benchmark]: Toolchain (without parser) took 3803.17 ms. Allocated memory is still 306.2 MB. Free memory was 280.5 MB in the beginning and 215.3 MB in the end (delta: 65.2 MB). Peak memory consumption was 66.2 MB. Max. memory is 16.0 GB. [2021-01-26 23:01:12,087 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 306.2 MB. Free memory was 277.0 MB in the beginning and 276.9 MB in the end (delta: 136.3 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-01-26 23:01:12,089 INFO L168 Benchmark]: CACSL2BoogieTranslator took 741.79 ms. Allocated memory is still 306.2 MB. Free memory was 279.6 MB in the beginning and 280.7 MB in the end (delta: -1.1 MB). Peak memory consumption was 28.1 MB. Max. memory is 16.0 GB. [2021-01-26 23:01:12,090 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.67 ms. Allocated memory is still 306.2 MB. Free memory was 280.7 MB in the beginning and 278.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-01-26 23:01:12,091 INFO L168 Benchmark]: Boogie Preprocessor took 28.51 ms. Allocated memory is still 306.2 MB. Free memory was 278.6 MB in the beginning and 277.6 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-01-26 23:01:12,092 INFO L168 Benchmark]: RCFGBuilder took 633.20 ms. Allocated memory is still 306.2 MB. Free memory was 277.6 MB in the beginning and 256.6 MB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.0 GB. [2021-01-26 23:01:12,095 INFO L168 Benchmark]: TraceAbstraction took 2334.43 ms. Allocated memory is still 306.2 MB. Free memory was 255.5 MB in the beginning and 215.3 MB in the end (delta: 40.3 MB). Peak memory consumption was 42.4 MB. Max. memory is 16.0 GB. [2021-01-26 23:01:12,109 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 306.2 MB. Free memory was 277.0 MB in the beginning and 276.9 MB in the end (delta: 136.3 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 741.79 ms. Allocated memory is still 306.2 MB. Free memory was 279.6 MB in the beginning and 280.7 MB in the end (delta: -1.1 MB). Peak memory consumption was 28.1 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 47.67 ms. Allocated memory is still 306.2 MB. Free memory was 280.7 MB in the beginning and 278.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 28.51 ms. Allocated memory is still 306.2 MB. Free memory was 278.6 MB in the beginning and 277.6 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 633.20 ms. Allocated memory is still 306.2 MB. Free memory was 277.6 MB in the beginning and 256.6 MB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.0 GB. * TraceAbstraction took 2334.43 ms. Allocated memory is still 306.2 MB. Free memory was 255.5 MB in the beginning and 215.3 MB in the end (delta: 40.3 MB). Peak memory consumption was 42.4 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 3 procedures, 63 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.1s, OverallIterations: 3, 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, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 147 NumberOfCodeBlocks, 147 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 144 ConstructedInterpolants, 0 QuantifiedInterpolants, 18528 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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...