/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-lit/fkp2013_variant-2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-6f57305 [2021-01-26 23:13:39,443 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-26 23:13:39,445 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-26 23:13:39,501 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-26 23:13:39,501 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-26 23:13:39,505 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-26 23:13:39,509 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-26 23:13:39,516 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-26 23:13:39,518 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-26 23:13:39,524 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-26 23:13:39,525 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-26 23:13:39,526 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-26 23:13:39,527 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-26 23:13:39,529 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-26 23:13:39,531 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-26 23:13:39,533 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-26 23:13:39,534 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-26 23:13:39,538 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-26 23:13:39,546 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-26 23:13:39,552 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-26 23:13:39,554 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-26 23:13:39,555 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-26 23:13:39,557 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-26 23:13:39,560 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-26 23:13:39,568 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-01-26 23:13:39,574 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-26 23:13:39,575 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-26 23:13:39,576 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-26 23:13:39,577 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-26 23:13:39,579 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-26 23:13:39,579 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-26 23:13:39,580 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-26 23:13:39,580 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-26 23:13:39,580 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-26 23:13:39,581 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-26 23:13:39,582 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-26 23:13:39,583 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 23:13:39,638 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-26 23:13:39,638 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-26 23:13:39,639 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-26 23:13:39,640 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-26 23:13:39,640 INFO L138 SettingsManager]: * Use SBE=true [2021-01-26 23:13:39,640 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-26 23:13:39,640 INFO L138 SettingsManager]: * sizeof long=4 [2021-01-26 23:13:39,641 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-26 23:13:39,641 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-01-26 23:13:39,641 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-26 23:13:39,641 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-26 23:13:39,641 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-26 23:13:39,642 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-26 23:13:39,642 INFO L138 SettingsManager]: * sizeof long double=12 [2021-01-26 23:13:39,642 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-26 23:13:39,642 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-26 23:13:39,642 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-26 23:13:39,643 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-26 23:13:39,643 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-26 23:13:39,643 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-01-26 23:13:39,643 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-26 23:13:39,644 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-26 23:13:39,644 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-26 23:13:39,644 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-26 23:13:39,644 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-26 23:13:39,644 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-26 23:13:39,645 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-26 23:13:39,645 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-01-26 23:13:39,645 INFO L138 SettingsManager]: * Lazy Petri-NFA conversion=true [2021-01-26 23:13:39,645 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=SLEEP_SET_FA [2021-01-26 23:13:39,645 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-26 23:13:39,646 INFO L138 SettingsManager]: * Minimization of abstraction=NONE [2021-01-26 23:13:39,646 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-01-26 23:13:39,646 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-26 23:13:39,990 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-26 23:13:40,038 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-26 23:13:40,041 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-26 23:13:40,043 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-26 23:13:40,044 INFO L275 PluginConnector]: CDTParser initialized [2021-01-26 23:13:40,045 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-lit/fkp2013_variant-2.i [2021-01-26 23:13:40,114 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/843645e20/114e5a0f993d487c99db30cc70a1385c/FLAGb4994fbfd [2021-01-26 23:13:40,816 INFO L306 CDTParser]: Found 1 translation units. [2021-01-26 23:13:40,817 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-lit/fkp2013_variant-2.i [2021-01-26 23:13:40,836 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/843645e20/114e5a0f993d487c99db30cc70a1385c/FLAGb4994fbfd [2021-01-26 23:13:41,032 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/843645e20/114e5a0f993d487c99db30cc70a1385c [2021-01-26 23:13:41,037 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-26 23:13:41,051 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-01-26 23:13:41,056 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-26 23:13:41,056 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-26 23:13:41,060 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-26 23:13:41,061 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.01 11:13:41" (1/1) ... [2021-01-26 23:13:41,070 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b1379c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 11:13:41, skipping insertion in model container [2021-01-26 23:13:41,070 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.01 11:13:41" (1/1) ... [2021-01-26 23:13:41,080 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-26 23:13:41,145 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-01-26 23:13:41,579 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-26 23:13:41,594 INFO L203 MainTranslator]: Completed pre-run [2021-01-26 23:13:41,639 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-26 23:13:41,748 INFO L208 MainTranslator]: Completed translation [2021-01-26 23:13:41,749 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 11:13:41 WrapperNode [2021-01-26 23:13:41,749 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-26 23:13:41,750 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-26 23:13:41,750 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-26 23:13:41,751 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-26 23:13:41,760 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 11:13:41" (1/1) ... [2021-01-26 23:13:41,776 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 11:13:41" (1/1) ... [2021-01-26 23:13:41,799 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-26 23:13:41,800 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-26 23:13:41,800 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-26 23:13:41,801 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-26 23:13:41,810 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 11:13:41" (1/1) ... [2021-01-26 23:13:41,810 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 11:13:41" (1/1) ... [2021-01-26 23:13:41,813 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 11:13:41" (1/1) ... [2021-01-26 23:13:41,814 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 11:13:41" (1/1) ... [2021-01-26 23:13:41,820 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 11:13:41" (1/1) ... [2021-01-26 23:13:41,824 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 11:13:41" (1/1) ... [2021-01-26 23:13:41,826 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 11:13:41" (1/1) ... [2021-01-26 23:13:41,846 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-26 23:13:41,847 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-26 23:13:41,847 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-26 23:13:41,847 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-26 23:13:41,848 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 11:13:41" (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 23:13:41,951 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2021-01-26 23:13:41,952 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2021-01-26 23:13:41,953 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2021-01-26 23:13:41,954 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2021-01-26 23:13:41,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-01-26 23:13:41,955 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-26 23:13:41,955 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-01-26 23:13:41,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-26 23:13:41,955 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-26 23:13:41,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-26 23:13:41,957 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 23:13:42,410 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-26 23:13:42,410 INFO L298 CfgBuilder]: Removed 11 assume(true) statements. [2021-01-26 23:13:42,412 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.01 11:13:42 BoogieIcfgContainer [2021-01-26 23:13:42,412 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-26 23:13:42,414 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-26 23:13:42,414 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-26 23:13:42,417 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-26 23:13:42,418 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.01 11:13:41" (1/3) ... [2021-01-26 23:13:42,419 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d8f9e90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.01 11:13:42, skipping insertion in model container [2021-01-26 23:13:42,419 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 11:13:41" (2/3) ... [2021-01-26 23:13:42,419 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d8f9e90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.01 11:13:42, skipping insertion in model container [2021-01-26 23:13:42,419 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.01 11:13:42" (3/3) ... [2021-01-26 23:13:42,421 INFO L111 eAbstractionObserver]: Analyzing ICFG fkp2013_variant-2.i [2021-01-26 23:13:42,437 WARN L168 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-01-26 23:13:42,437 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-26 23:13:42,441 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-01-26 23:13:42,442 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-01-26 23:13:42,476 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:13:42,477 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:13:42,477 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:13:42,477 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:13:42,477 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:13:42,477 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:13:42,478 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:13:42,478 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:13:42,478 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:13:42,478 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:13:42,479 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:13:42,479 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:13:42,479 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:13:42,479 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:13:42,480 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:13:42,480 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:13:42,480 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:13:42,480 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:13:42,481 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:13:42,481 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:13:42,481 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:13:42,482 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:13:42,482 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:13:42,482 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:13:42,482 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:13:42,482 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:13:42,483 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:13:42,483 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:13:42,483 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:13:42,483 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:13:42,484 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:13:42,484 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:13:42,484 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:13:42,484 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:13:42,484 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:13:42,485 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:13:42,485 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:13:42,485 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:13:42,485 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:13:42,486 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:13:42,486 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:13:42,486 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:13:42,486 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:13:42,486 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:13:42,487 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:13:42,487 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:13:42,487 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:13:42,488 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:13:42,488 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:13:42,488 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:13:42,490 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:13:42,491 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:13:42,491 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:13:42,491 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:13:42,491 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:13:42,491 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:13:42,492 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:13:42,492 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:13:42,499 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:13:42,499 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:13:42,500 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:13:42,500 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:13:42,500 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-26 23:13:42,503 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-01-26 23:13:42,517 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-01-26 23:13:42,542 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-26 23:13:42,542 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-26 23:13:42,542 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-26 23:13:42,543 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-26 23:13:42,543 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-26 23:13:42,543 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-26 23:13:42,543 INFO L383 AbstractCegarLoop]: Minimize is NONE [2021-01-26 23:13:42,543 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== Size of Word is: 52 and size of Sequence is : 53[2021-01-26 23:13:42,616 INFO L164 SleepSetCegar]: Size of mCounterexample is: 53 [2021-01-26 23:13:42,617 INFO L165 SleepSetCegar]: [77#[ULTIMATE.startENTRY]don't care, 79#[L-1]don't care, 81#[L-1-1]don't care, 83#[L683]don't care, 85#[L683-1]don't care, 87#[L683-2]don't care, 89#[L683-3]don't care, 91#[L683-4]don't care, 93#[L698]don't care, 95#[L-1-2]don't care, 97#[L-1-3]don't care, 99#[L-1-4]don't care, 101#[L709]don't care, 103#[L709-1]don't care, 105#[L710]don't care, 107#[L710-1]don't care, 109#[L710-2]don't care, 111#[L712]don't care, 113#[L713]don't care, 115#[L713-1]don't care, 117#[L713-2]don't care, 119#[L714]don't care, 121#[L714-1]don't care, 123#[L685]don't care, 125#[L686]don't care, 127#[L685-1]don't care, 131#[L715]don't care, 133#[thr1ENTRY, L715-1]don't care, 137#[thr1ENTRY, L716]don't care, 141#[L700, L716]don't care, 145#[L700-1, L716]don't care, 149#[L716, L688]don't care, 151#[L689, L716]don't care, 157#[L716, L690]don't care, 161#[L683, L716]don't care, 165#[L716, L683-4]don't care, 171#[L716-6, L683-4]don't care, 177#[L717, L683-4]don't care, 211#[L717-1, L683-4]don't care, 215#[thr2ENTRY, L717-2, L683-4]don't care, 217#[L717-2, L704, L683-4]don't care, 223#[L717-2, L683-4, L705]don't care, 231#[L717-2, L683-4, L706]don't care, 237#[L717-2, L707, L683-4]don't care, 245#[thr2FINAL, L717-2, L683-4]don't care, 249#[L717-2, thr2EXIT, L683-4]don't care, 255#[thr2EXIT, L683-4, L716-3]don't care, 259#[L716-4, thr2EXIT, L683-4]don't care, 263#[L716-5, thr2EXIT, L683-4]don't care, 267#[L716-6, thr2EXIT, L683-4]don't care, 273#[L717, thr2EXIT, L683-4]don't care, 307#[L717-1, thr2EXIT, L683-4]don't care, 311#[ULTIMATE.startErr1INUSE_VIOLATION, thr2EXIT, L683-4]don't care] [2021-01-26 23:13:42,618 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-01-26 23:13:42,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 23:13:42,625 INFO L82 PathProgramCache]: Analyzing trace with hash 1438340294, now seen corresponding path program 1 times [2021-01-26 23:13:42,638 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 23:13:42,640 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1857443234] [2021-01-26 23:13:42,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 23:13:42,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 23:13:42,924 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-01-26 23:13:42,928 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1857443234] [2021-01-26 23:13:42,929 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-26 23:13:42,929 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-26 23:13:42,930 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2060905534] [2021-01-26 23:13:42,942 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-01-26 23:13:42,943 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-26 23:13:42,962 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-01-26 23:13:42,964 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-01-26 23:13:42,966 INFO L481 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-01-26 23:13:42,968 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 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: 36 and size of Sequence is : 37[2021-01-26 23:13:42,993 INFO L164 SleepSetCegar]: Size of mCounterexample is: 37 [2021-01-26 23:13:42,994 INFO L165 SleepSetCegar]: [314#[ULTIMATE.startENTRY]true, 315#[L-1]true, 316#[L-1-1]true, 317#[L683]true, 318#[L683-1]true, 319#[L683-2]true, 320#[L683-3]true, 321#[L683-4]true, 322#[L698]true, 323#[L-1-2]true, 324#[L-1-3]true, 325#[L-1-4]true, 326#[L709]true, 327#[L709-1]true, 328#[L710]true, 329#[L710-1]true, 330#[L710-2]true, 331#[L712]true, 332#[L713]true, 333#[L713-1]true, 334#[L713-2]true, 335#[L714]true, 336#[L714-1]true, 337#[L685]true, 338#[L686]true, 339#[L685-1]true, 342#[L715]true, 343#[thr1ENTRY, L715-1]true, 345#[thr1ENTRY, L716]true, 347#[L700, L716]true, 349#[L700-1, L716]true, 351#[L716, L688]true, 352#[L689, L716]true, 355#[L716, L690]true, 357#[L683, L716]true, 361#[L683-2, L716]true, 369#[L716, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]true] [2021-01-26 23:13:42,994 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-26 23:13:42,994 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-01-26 23:13:42,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 23:13:42,998 INFO L82 PathProgramCache]: Analyzing trace with hash -1690921403, now seen corresponding path program 1 times [2021-01-26 23:13:42,998 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 23:13:42,998 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1601092403] [2021-01-26 23:13:42,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 23:13:43,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-26 23:13:43,239 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 23:13:43,240 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1601092403] [2021-01-26 23:13:43,240 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-26 23:13:43,240 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-01-26 23:13:43,240 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235055578] [2021-01-26 23:13:43,242 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-01-26 23:13:43,242 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-26 23:13:43,243 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-01-26 23:13:43,243 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-01-26 23:13:43,243 INFO L481 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-01-26 23:13:43,244 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 4.5) internal successors, (36), 8 states have internal predecessors, (36), 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: 52 and size of Sequence is : 53[2021-01-26 23:13:43,515 INFO L164 SleepSetCegar]: Size of mCounterexample is: 53 [2021-01-26 23:13:43,517 INFO L165 SleepSetCegar]: [380#[ULTIMATE.startENTRY]true, 382#[L-1]true, 384#[L-1-1]true, 386#[L683]true, 388#[L683-1]true, 390#[L683-2]true, 392#[L683-3]true, 394#[L683-4]true, 396#[L698](= ~x~0 0), 398#[L-1-2](= ~x~0 0), 400#[L-1-3](= ~x~0 0), 402#[L-1-4](= ~x~0 0), 404#[L709](= ~x~0 0), 406#[L709-1](= ~x~0 0), 408#[L710](= ~x~0 0), 410#[L710-1](= ~x~0 0), 412#[L710-2](= ~x~0 0), 414#[L712](= ~x~0 0), 416#[L713](= ~x~0 0), 418#[L713-1](= ~x~0 0), 420#[L713-2](= ~x~0 0), 422#[L714](= ~x~0 0), 426#[L714-1](and (or (<= 1 ~n~0) (= |ULTIMATE.start_assume_abort_if_not_#in~cond| 0)) (= ~x~0 0)), 428#[L685](and (or (<= 1 ~n~0) (= |ULTIMATE.start_assume_abort_if_not_#in~cond| 0)) (= ~x~0 0)), 432#[L686](let ((.cse0 (= ~x~0 0))) (let ((.cse1 (and .cse0 (<= 1 ~n~0)))) (and .cse0 (or (= ULTIMATE.start_assume_abort_if_not_~cond 0) .cse1) (or .cse1 (= |ULTIMATE.start_assume_abort_if_not_#in~cond| 0))))), 434#[L685-1](and (= ~x~0 0) (<= 1 ~n~0)), 440#[L715](and (= ~x~0 0) (<= 1 ~n~0)), 442#[thr1ENTRY, L715-1](and (= ~x~0 0) (<= 1 ~n~0)), 446#[thr1ENTRY, L716](and (= ~x~0 0) (<= 1 ~n~0)), 450#[L700, L716](and (= ~x~0 0) (<= 1 ~n~0)), 456#[L700-1, L716](and (= ~x~0 0) (<= 1 ~n~0) (not (= |thr1Thread1of1ForFork0___VERIFIER_assert_#in~cond| 0))), 460#[L716, L688](and (= ~x~0 0) (<= 1 ~n~0) (not (= |thr1Thread1of1ForFork0___VERIFIER_assert_#in~cond| 0))), 464#[L689, L716](and (= ~x~0 0) (<= 1 ~n~0) (not (= |thr1Thread1of1ForFork0___VERIFIER_assert_#in~cond| 0)) (not (= thr1Thread1of1ForFork0___VERIFIER_assert_~cond 0))), 468#[L716, L689-2](and (= ~x~0 0) (<= 1 ~n~0) (not (= |thr1Thread1of1ForFork0___VERIFIER_assert_#in~cond| 0)) (not (= thr1Thread1of1ForFork0___VERIFIER_assert_~cond 0))), 478#[L716, thr1FINAL](and (= ~x~0 0) (<= 1 ~n~0) (not (= |thr1Thread1of1ForFork0___VERIFIER_assert_#in~cond| 0)) (not (= thr1Thread1of1ForFork0___VERIFIER_assert_~cond 0))), 490#[thr1EXIT, L716](and (= ~x~0 0) (<= 1 ~n~0) (not (= |thr1Thread1of1ForFork0___VERIFIER_assert_#in~cond| 0)) (not (= thr1Thread1of1ForFork0___VERIFIER_assert_~cond 0))), 495#[L716-6, thr1EXIT](and (= ~x~0 0) (<= 1 ~n~0) (not (= |thr1Thread1of1ForFork0___VERIFIER_assert_#in~cond| 0)) (not (= thr1Thread1of1ForFork0___VERIFIER_assert_~cond 0))), 506#[L717, thr1EXIT](and (= ~x~0 0) (<= 1 ~n~0) (not (= |thr1Thread1of1ForFork0___VERIFIER_assert_#in~cond| 0)) (not (= thr1Thread1of1ForFork0___VERIFIER_assert_~cond 0))), 548#[thr1EXIT, L717-1](and (= ~x~0 0) (<= 1 ~n~0) (not (= |thr1Thread1of1ForFork0___VERIFIER_assert_#in~cond| 0)) (not (= thr1Thread1of1ForFork0___VERIFIER_assert_~cond 0))), 553#[thr2ENTRY, thr1EXIT, L717-2](and (= ~x~0 0) (<= 1 ~n~0) (not (= |thr1Thread1of1ForFork0___VERIFIER_assert_#in~cond| 0)) (not (= thr1Thread1of1ForFork0___VERIFIER_assert_~cond 0))), 561#[thr1EXIT, L717-2, L704](and (= ~x~0 0) (<= 1 ~n~0) (not (= |thr1Thread1of1ForFork0___VERIFIER_assert_#in~cond| 0)) (not (= thr1Thread1of1ForFork0___VERIFIER_assert_~cond 0))), 571#[thr1EXIT, L717-2, L705](and (= ~x~0 0) (<= 1 ~n~0) (not (= |thr1Thread1of1ForFork0___VERIFIER_assert_#in~cond| 0)) (not (= thr1Thread1of1ForFork0___VERIFIER_assert_~cond 0))), 581#[thr1EXIT, L717-2, L706](and (= ~x~0 0) (<= 1 ~n~0) (not (= |thr1Thread1of1ForFork0___VERIFIER_assert_#in~cond| 0)) (not (= thr1Thread1of1ForFork0___VERIFIER_assert_~cond 0))), 593#[thr1EXIT, L717-2, L707](and (not (= |thr1Thread1of1ForFork0___VERIFIER_assert_#in~cond| 0)) (not (= thr1Thread1of1ForFork0___VERIFIER_assert_~cond 0))), 605#[thr1EXIT, thr2FINAL, L717-2](and (not (= |thr1Thread1of1ForFork0___VERIFIER_assert_#in~cond| 0)) (not (= thr1Thread1of1ForFork0___VERIFIER_assert_~cond 0))), 613#[thr1EXIT, L717-2, thr2EXIT](and (not (= |thr1Thread1of1ForFork0___VERIFIER_assert_#in~cond| 0)) (not (= thr1Thread1of1ForFork0___VERIFIER_assert_~cond 0))), 620#[thr1EXIT, thr2EXIT, L716-3](and (not (= |thr1Thread1of1ForFork0___VERIFIER_assert_#in~cond| 0)) (not (= thr1Thread1of1ForFork0___VERIFIER_assert_~cond 0))), 625#[L716-4, thr1EXIT, thr2EXIT](and (not (= |thr1Thread1of1ForFork0___VERIFIER_assert_#in~cond| 0)) (not (= thr1Thread1of1ForFork0___VERIFIER_assert_~cond 0))), 630#[L716-5, thr1EXIT, thr2EXIT](and (not (= |thr1Thread1of1ForFork0___VERIFIER_assert_#in~cond| 0)) (not (= thr1Thread1of1ForFork0___VERIFIER_assert_~cond 0))), 635#[L716-6, thr1EXIT, thr2EXIT](and (not (= |thr1Thread1of1ForFork0___VERIFIER_assert_#in~cond| 0)) (not (= thr1Thread1of1ForFork0___VERIFIER_assert_~cond 0))), 646#[L717, thr1EXIT, thr2EXIT](and (not (= |thr1Thread1of1ForFork0___VERIFIER_assert_#in~cond| 0)) (not (= thr1Thread1of1ForFork0___VERIFIER_assert_~cond 0))), 688#[thr1EXIT, L717-1, thr2EXIT](and (not (= |thr1Thread1of1ForFork0___VERIFIER_assert_#in~cond| 0)) (not (= thr1Thread1of1ForFork0___VERIFIER_assert_~cond 0))), 693#[ULTIMATE.startErr1INUSE_VIOLATION, thr1EXIT, thr2EXIT](and (not (= |thr1Thread1of1ForFork0___VERIFIER_assert_#in~cond| 0)) (not (= thr1Thread1of1ForFork0___VERIFIER_assert_~cond 0)))] [2021-01-26 23:13:43,517 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-26 23:13:43,517 INFO L429 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-01-26 23:13:43,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-26 23:13:43,518 INFO L82 PathProgramCache]: Analyzing trace with hash -1809100508, now seen corresponding path program 1 times [2021-01-26 23:13:43,518 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-26 23:13:43,518 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [595258730] [2021-01-26 23:13:43,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-26 23:13:43,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-01-26 23:13:43,563 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-01-26 23:13:43,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-01-26 23:13:43,616 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-01-26 23:13:43,716 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-01-26 23:13:43,717 INFO L605 BasicCegarLoop]: Counterexample might be feasible [2021-01-26 23:13:43,717 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-01-26 23:13:43,718 WARN L386 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2021-01-26 23:13:43,718 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2021-01-26 23:13:43,723 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker@331a4ed8 at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.lock(ManagedScript.java:81) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.ThreadInstanceAdder.constructThreadAuxiliaryVariable(ThreadInstanceAdder.java:479) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.ThreadInstanceAdder.constructThreadInUseVariable(ThreadInstanceAdder.java:458) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.ThreadInstanceAdder.constructThreadInstance(ThreadInstanceAdder.java:438) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.ThreadInstanceAdder.constructThreadInstances(ThreadInstanceAdder.java:410) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.IcfgPetrifier.(IcfgPetrifier.java:110) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:352) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:197) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:149) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-01-26 23:13:43,728 INFO L168 Benchmark]: Toolchain (without parser) took 2686.98 ms. Allocated memory is still 302.0 MB. Free memory was 277.4 MB in the beginning and 190.2 MB in the end (delta: 87.2 MB). Peak memory consumption was 86.3 MB. Max. memory is 16.0 GB. [2021-01-26 23:13:43,728 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 302.0 MB. Free memory is still 272.1 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-01-26 23:13:43,729 INFO L168 Benchmark]: CACSL2BoogieTranslator took 693.46 ms. Allocated memory is still 302.0 MB. Free memory was 276.3 MB in the beginning and 245.9 MB in the end (delta: 30.3 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.0 GB. [2021-01-26 23:13:43,730 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.41 ms. Allocated memory is still 302.0 MB. Free memory was 245.9 MB in the beginning and 244.1 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-01-26 23:13:43,731 INFO L168 Benchmark]: Boogie Preprocessor took 45.70 ms. Allocated memory is still 302.0 MB. Free memory was 244.1 MB in the beginning and 285.6 MB in the end (delta: -41.5 MB). Peak memory consumption was 6.6 MB. Max. memory is 16.0 GB. [2021-01-26 23:13:43,732 INFO L168 Benchmark]: RCFGBuilder took 565.18 ms. Allocated memory is still 302.0 MB. Free memory was 285.6 MB in the beginning and 263.6 MB in the end (delta: 22.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.0 GB. [2021-01-26 23:13:43,733 INFO L168 Benchmark]: TraceAbstraction took 1311.68 ms. Allocated memory is still 302.0 MB. Free memory was 263.6 MB in the beginning and 190.2 MB in the end (delta: 73.4 MB). Peak memory consumption was 73.4 MB. Max. memory is 16.0 GB. [2021-01-26 23:13:43,738 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 272.1 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 693.46 ms. Allocated memory is still 302.0 MB. Free memory was 276.3 MB in the beginning and 245.9 MB in the end (delta: 30.3 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 49.41 ms. Allocated memory is still 302.0 MB. Free memory was 245.9 MB in the beginning and 244.1 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 45.70 ms. Allocated memory is still 302.0 MB. Free memory was 244.1 MB in the beginning and 285.6 MB in the end (delta: -41.5 MB). Peak memory consumption was 6.6 MB. Max. memory is 16.0 GB. * RCFGBuilder took 565.18 ms. Allocated memory is still 302.0 MB. Free memory was 285.6 MB in the beginning and 263.6 MB in the end (delta: 22.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.0 GB. * TraceAbstraction took 1311.68 ms. Allocated memory is still 302.0 MB. Free memory was 263.6 MB in the beginning and 190.2 MB in the end (delta: 73.4 MB). Peak memory consumption was 73.4 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker@331a4ed8 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker@331a4ed8: de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.lock(ManagedScript.java:81) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...