/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-FA-NoLbe.epf -i ../../../trunk/examples/svcomp/pthread-lit/fkp2013_variant-2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-e5469eb [2021-01-20 14:53:30,477 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-20 14:53:30,481 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-20 14:53:30,539 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-20 14:53:30,539 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-20 14:53:30,545 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-20 14:53:30,549 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-20 14:53:30,557 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-20 14:53:30,561 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-20 14:53:30,567 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-20 14:53:30,569 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-20 14:53:30,570 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-20 14:53:30,571 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-20 14:53:30,574 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-20 14:53:30,576 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-20 14:53:30,578 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-20 14:53:30,579 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-20 14:53:30,583 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-20 14:53:30,592 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-20 14:53:30,596 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-20 14:53:30,599 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-20 14:53:30,603 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-20 14:53:30,604 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-20 14:53:30,606 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-20 14:53:30,609 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-01-20 14:53:30,615 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-20 14:53:30,616 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-20 14:53:30,617 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-20 14:53:30,619 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-20 14:53:30,621 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-20 14:53:30,621 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-20 14:53:30,622 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-20 14:53:30,623 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-20 14:53:30,623 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-20 14:53:30,624 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-20 14:53:30,625 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-20 14:53:30,626 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-FA-NoLbe.epf [2021-01-20 14:53:30,653 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-20 14:53:30,654 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-20 14:53:30,655 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-20 14:53:30,656 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-20 14:53:30,656 INFO L138 SettingsManager]: * Use SBE=true [2021-01-20 14:53:30,656 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-20 14:53:30,657 INFO L138 SettingsManager]: * sizeof long=4 [2021-01-20 14:53:30,657 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-20 14:53:30,657 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-01-20 14:53:30,658 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-20 14:53:30,658 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-20 14:53:30,658 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-20 14:53:30,658 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-20 14:53:30,659 INFO L138 SettingsManager]: * sizeof long double=12 [2021-01-20 14:53:30,659 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-20 14:53:30,659 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-20 14:53:30,659 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-20 14:53:30,660 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-20 14:53:30,660 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-20 14:53:30,660 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-01-20 14:53:30,661 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-20 14:53:30,661 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-20 14:53:30,661 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-20 14:53:30,662 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-20 14:53:30,662 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-20 14:53:30,662 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-20 14:53:30,662 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-20 14:53:30,663 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-01-20 14:53:30,663 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-20 14:53:30,663 INFO L138 SettingsManager]: * Minimization of abstraction=NONE [2021-01-20 14:53:30,663 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-20 14:53:31,048 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-20 14:53:31,077 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-20 14:53:31,080 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-20 14:53:31,082 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-20 14:53:31,082 INFO L275 PluginConnector]: CDTParser initialized [2021-01-20 14:53:31,083 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-lit/fkp2013_variant-2.i [2021-01-20 14:53:31,170 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8b1d1ef99/e87a072194de43bea901d04d12e40e36/FLAG202cb3abf [2021-01-20 14:53:31,834 INFO L306 CDTParser]: Found 1 translation units. [2021-01-20 14:53:31,835 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-lit/fkp2013_variant-2.i [2021-01-20 14:53:31,857 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8b1d1ef99/e87a072194de43bea901d04d12e40e36/FLAG202cb3abf [2021-01-20 14:53:32,131 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8b1d1ef99/e87a072194de43bea901d04d12e40e36 [2021-01-20 14:53:32,136 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-20 14:53:32,139 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-01-20 14:53:32,143 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-20 14:53:32,143 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-20 14:53:32,147 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-20 14:53:32,148 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.01 02:53:32" (1/1) ... [2021-01-20 14:53:32,153 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3848acd9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 02:53:32, skipping insertion in model container [2021-01-20 14:53:32,153 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.01 02:53:32" (1/1) ... [2021-01-20 14:53:32,163 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-20 14:53:32,236 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-01-20 14:53:32,642 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-20 14:53:32,652 INFO L203 MainTranslator]: Completed pre-run [2021-01-20 14:53:32,697 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-20 14:53:32,818 INFO L208 MainTranslator]: Completed translation [2021-01-20 14:53:32,819 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 02:53:32 WrapperNode [2021-01-20 14:53:32,819 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-20 14:53:32,821 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-20 14:53:32,822 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-20 14:53:32,822 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-20 14:53:32,832 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 02:53:32" (1/1) ... [2021-01-20 14:53:32,871 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 02:53:32" (1/1) ... [2021-01-20 14:53:32,911 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-20 14:53:32,913 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-20 14:53:32,916 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-20 14:53:32,916 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-20 14:53:32,926 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 02:53:32" (1/1) ... [2021-01-20 14:53:32,927 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 02:53:32" (1/1) ... [2021-01-20 14:53:32,933 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 02:53:32" (1/1) ... [2021-01-20 14:53:32,934 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 02:53:32" (1/1) ... [2021-01-20 14:53:32,953 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 02:53:32" (1/1) ... [2021-01-20 14:53:32,960 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 02:53:32" (1/1) ... [2021-01-20 14:53:32,967 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 02:53:32" (1/1) ... [2021-01-20 14:53:32,973 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-20 14:53:32,975 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-20 14:53:32,975 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-20 14:53:32,975 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-20 14:53:32,981 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 02:53:32" (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 [2021-01-20 14:53:33,091 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2021-01-20 14:53:33,092 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2021-01-20 14:53:33,092 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2021-01-20 14:53:33,093 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2021-01-20 14:53:33,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-01-20 14:53:33,093 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-20 14:53:33,094 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-01-20 14:53:33,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-20 14:53:33,096 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-20 14:53:33,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-20 14:53:33,097 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-01-20 14:53:33,591 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-20 14:53:33,591 INFO L298 CfgBuilder]: Removed 11 assume(true) statements. [2021-01-20 14:53:33,593 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.01 02:53:33 BoogieIcfgContainer [2021-01-20 14:53:33,593 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-20 14:53:33,595 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-20 14:53:33,595 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-20 14:53:33,599 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-20 14:53:33,599 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.01 02:53:32" (1/3) ... [2021-01-20 14:53:33,600 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@152ce246 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.01 02:53:33, skipping insertion in model container [2021-01-20 14:53:33,600 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 02:53:32" (2/3) ... [2021-01-20 14:53:33,600 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@152ce246 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.01 02:53:33, skipping insertion in model container [2021-01-20 14:53:33,601 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.01 02:53:33" (3/3) ... [2021-01-20 14:53:33,602 INFO L111 eAbstractionObserver]: Analyzing ICFG fkp2013_variant-2.i [2021-01-20 14:53:33,617 WARN L168 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-01-20 14:53:33,618 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-20 14:53:33,622 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-01-20 14:53:33,623 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-01-20 14:53:33,652 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:33,652 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:33,652 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:33,653 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:33,653 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:33,653 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:33,653 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:33,653 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:33,654 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:33,654 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:33,654 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:33,654 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:33,655 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:33,655 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:33,655 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:33,655 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:33,655 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:33,656 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:33,657 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:33,657 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:33,657 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:33,657 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:33,657 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:33,658 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:33,658 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:33,658 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:33,658 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:33,659 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:33,659 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:33,659 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:33,659 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:33,659 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:33,660 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:33,660 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:33,660 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:33,660 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:33,661 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:33,661 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:33,661 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:33,661 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:33,661 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:33,662 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:33,662 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:33,662 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:33,662 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:33,662 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:33,663 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:33,663 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:33,663 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:33,664 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:33,666 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:33,666 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:33,667 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:33,667 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:33,667 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:33,667 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:33,667 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:33,667 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:33,672 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:33,673 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:33,673 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:33,673 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:33,673 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:33,675 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-01-20 14:53:33,689 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-01-20 14:53:33,713 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-20 14:53:33,714 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-20 14:53:33,714 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-20 14:53:33,714 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-20 14:53:33,714 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-20 14:53:33,714 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-20 14:53:33,715 INFO L383 AbstractCegarLoop]: Minimize is NONE [2021-01-20 14:53:33,715 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-20 14:53:33,727 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 72 places, 70 transitions, 150 flow [2021-01-20 14:53:33,845 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 1778 states, 1772 states have (on average 2.8284424379232505) internal successors, (5012), 1777 states have internal predecessors, (5012), 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) [2021-01-20 14:53:33,854 INFO L276 IsEmpty]: Start isEmpty. Operand has 1778 states, 1772 states have (on average 2.8284424379232505) internal successors, (5012), 1777 states have internal predecessors, (5012), 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) [2021-01-20 14:53:33,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-01-20 14:53:33,868 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 14:53:33,869 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-20 14:53:33,869 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-01-20 14:53:33,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 14:53:33,877 INFO L82 PathProgramCache]: Analyzing trace with hash -937989027, now seen corresponding path program 1 times [2021-01-20 14:53:33,888 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 14:53:33,889 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [106350159] [2021-01-20 14:53:33,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 14:53:34,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 14:53:34,310 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-20 14:53:34,310 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [106350159] [2021-01-20 14:53:34,311 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-20 14:53:34,312 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-01-20 14:53:34,313 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1226561106] [2021-01-20 14:53:34,318 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-01-20 14:53:34,318 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-20 14:53:34,334 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-01-20 14:53:34,336 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-01-20 14:53:34,345 INFO L87 Difference]: Start difference. First operand has 1778 states, 1772 states have (on average 2.8284424379232505) internal successors, (5012), 1777 states have internal predecessors, (5012), 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) Second operand has 8 states, 8 states have (on average 4.375) internal successors, (35), 8 states have internal predecessors, (35), 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) [2021-01-20 14:53:34,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-20 14:53:34,807 INFO L93 Difference]: Finished difference Result 1508 states and 3817 transitions. [2021-01-20 14:53:34,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-01-20 14:53:34,809 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.375) internal successors, (35), 8 states have internal predecessors, (35), 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) Word has length 35 [2021-01-20 14:53:34,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-20 14:53:34,845 INFO L225 Difference]: With dead ends: 1508 [2021-01-20 14:53:34,845 INFO L226 Difference]: Without dead ends: 1035 [2021-01-20 14:53:34,847 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2021-01-20 14:53:34,847 INFO L78 Accepts]: Start accepts. Automaton has 1035 states. Word has length 35 [2021-01-20 14:53:34,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-20 14:53:34,849 INFO L481 AbstractCegarLoop]: Abstraction has 1035 states. [2021-01-20 14:53:34,849 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 4.375) internal successors, (35), 8 states have internal predecessors, (35), 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) [2021-01-20 14:53:34,850 INFO L276 IsEmpty]: Start isEmpty. Operand 1035 states. [2021-01-20 14:53:34,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-01-20 14:53:34,856 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 14:53:34,856 INFO L504 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-20 14:53:34,856 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-20 14:53:34,857 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-01-20 14:53:34,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 14:53:34,858 INFO L82 PathProgramCache]: Analyzing trace with hash -2034911560, now seen corresponding path program 1 times [2021-01-20 14:53:34,858 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 14:53:34,858 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [583201623] [2021-01-20 14:53:34,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 14:53:34,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-01-20 14:53:34,907 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-01-20 14:53:34,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-01-20 14:53:34,971 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-01-20 14:53:35,028 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-01-20 14:53:35,028 INFO L605 BasicCegarLoop]: Counterexample might be feasible [2021-01-20 14:53:35,030 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-20 14:53:35,030 WARN L386 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2021-01-20 14:53:35,031 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2021-01-20 14:53:35,060 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:35,061 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:35,061 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:35,061 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:35,062 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:35,062 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:35,062 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:35,062 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:35,062 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:35,063 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:35,063 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:35,063 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:35,063 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:35,064 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:35,064 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:35,064 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:35,064 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:35,064 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:35,065 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:35,065 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:35,065 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:35,065 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:35,065 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:35,066 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:35,066 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:35,066 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:35,066 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:35,066 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:35,067 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:35,067 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:35,067 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:35,067 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:35,068 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:35,068 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:35,068 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:35,068 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:35,069 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:35,069 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:35,069 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:35,070 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:35,070 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:35,070 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:35,070 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:35,070 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:35,071 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:35,071 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:35,071 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:35,071 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:35,072 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:35,072 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:35,072 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:35,072 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:35,072 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:35,073 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:35,073 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:35,073 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:35,073 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:35,073 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:35,074 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:35,074 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:35,074 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:35,074 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:35,074 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:35,075 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:35,075 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:35,075 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:35,076 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:35,076 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:35,076 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:35,076 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:35,077 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:35,077 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:35,077 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:35,077 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:35,077 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:35,077 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:35,078 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:35,078 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:35,078 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:35,078 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:35,079 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:35,079 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:35,079 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:35,079 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:35,079 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:35,079 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:35,080 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:35,080 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:35,080 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:35,080 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:35,080 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:35,081 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:35,081 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:35,081 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:35,081 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:35,081 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:35,082 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:35,082 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:35,082 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:35,083 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:35,083 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:35,084 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:35,084 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:35,084 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:35,084 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:35,084 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:35,085 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:35,085 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:35,088 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:35,088 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:35,088 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:35,088 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:35,089 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:35,089 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:35,089 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:35,089 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:35,093 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:35,093 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:35,093 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:35,093 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:35,093 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:35,096 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork1_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:35,097 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:35,097 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:35,097 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:35,098 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 14:53:35,100 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-01-20 14:53:35,100 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-01-20 14:53:35,102 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-20 14:53:35,102 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-20 14:53:35,103 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-20 14:53:35,103 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-20 14:53:35,103 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-20 14:53:35,103 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-20 14:53:35,103 INFO L383 AbstractCegarLoop]: Minimize is NONE [2021-01-20 14:53:35,103 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-20 14:53:35,106 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 97 places, 93 transitions, 210 flow [2021-01-20 14:53:36,190 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 12656 states, 12648 states have (on average 3.6665876027830486) internal successors, (46375), 12655 states have internal predecessors, (46375), 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) [2021-01-20 14:53:36,228 INFO L276 IsEmpty]: Start isEmpty. Operand has 12656 states, 12648 states have (on average 3.6665876027830486) internal successors, (46375), 12655 states have internal predecessors, (46375), 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) [2021-01-20 14:53:36,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-01-20 14:53:36,241 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 14:53:36,242 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-20 14:53:36,246 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-20 14:53:36,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 14:53:36,247 INFO L82 PathProgramCache]: Analyzing trace with hash 1963905199, now seen corresponding path program 1 times [2021-01-20 14:53:36,248 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 14:53:36,249 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1809153985] [2021-01-20 14:53:36,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 14:53:36,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 14:53:36,403 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-20 14:53:36,403 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1809153985] [2021-01-20 14:53:36,404 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-20 14:53:36,404 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-01-20 14:53:36,404 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2010856876] [2021-01-20 14:53:36,405 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-01-20 14:53:36,405 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-20 14:53:36,406 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-01-20 14:53:36,406 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-01-20 14:53:36,442 INFO L87 Difference]: Start difference. First operand has 12656 states, 12648 states have (on average 3.6665876027830486) internal successors, (46375), 12655 states have internal predecessors, (46375), 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) Second operand has 8 states, 8 states have (on average 4.375) internal successors, (35), 8 states have internal predecessors, (35), 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) [2021-01-20 14:53:36,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-20 14:53:36,867 INFO L93 Difference]: Finished difference Result 12974 states and 43815 transitions. [2021-01-20 14:53:36,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-01-20 14:53:36,868 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.375) internal successors, (35), 8 states have internal predecessors, (35), 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) Word has length 35 [2021-01-20 14:53:36,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-20 14:53:36,962 INFO L225 Difference]: With dead ends: 12974 [2021-01-20 14:53:36,962 INFO L226 Difference]: Without dead ends: 9357 [2021-01-20 14:53:36,963 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2021-01-20 14:53:36,963 INFO L78 Accepts]: Start accepts. Automaton has 9357 states. Word has length 35 [2021-01-20 14:53:36,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-20 14:53:36,963 INFO L481 AbstractCegarLoop]: Abstraction has 9357 states. [2021-01-20 14:53:36,964 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 4.375) internal successors, (35), 8 states have internal predecessors, (35), 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) [2021-01-20 14:53:36,964 INFO L276 IsEmpty]: Start isEmpty. Operand 9357 states. [2021-01-20 14:53:36,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-01-20 14:53:36,969 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 14:53:36,970 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-20 14:53:36,970 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-01-20 14:53:36,970 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-20 14:53:36,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 14:53:36,971 INFO L82 PathProgramCache]: Analyzing trace with hash 2071117772, now seen corresponding path program 1 times [2021-01-20 14:53:36,971 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 14:53:36,971 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293822862] [2021-01-20 14:53:36,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 14:53:36,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-01-20 14:53:36,994 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-01-20 14:53:37,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-01-20 14:53:37,013 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-01-20 14:53:37,026 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-01-20 14:53:37,026 INFO L605 BasicCegarLoop]: Counterexample might be feasible [2021-01-20 14:53:37,026 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-01-20 14:53:37,117 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.01 02:53:37 BasicIcfg [2021-01-20 14:53:37,118 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-01-20 14:53:37,120 INFO L168 Benchmark]: Toolchain (without parser) took 4980.66 ms. Allocated memory was 312.5 MB in the beginning and 375.4 MB in the end (delta: 62.9 MB). Free memory was 287.8 MB in the beginning and 345.5 MB in the end (delta: -57.8 MB). Peak memory consumption was 209.8 MB. Max. memory is 16.0 GB. [2021-01-20 14:53:37,121 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 312.5 MB. Free memory is still 282.6 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-01-20 14:53:37,121 INFO L168 Benchmark]: CACSL2BoogieTranslator took 676.39 ms. Allocated memory is still 312.5 MB. Free memory was 287.5 MB in the beginning and 258.4 MB in the end (delta: 29.2 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.0 GB. [2021-01-20 14:53:37,122 INFO L168 Benchmark]: Boogie Procedure Inliner took 90.81 ms. Allocated memory is still 312.5 MB. Free memory was 258.4 MB in the beginning and 256.4 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-01-20 14:53:37,123 INFO L168 Benchmark]: Boogie Preprocessor took 61.10 ms. Allocated memory is still 312.5 MB. Free memory was 256.4 MB in the beginning and 255.2 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-01-20 14:53:37,124 INFO L168 Benchmark]: RCFGBuilder took 618.78 ms. Allocated memory is still 312.5 MB. Free memory was 254.9 MB in the beginning and 276.0 MB in the end (delta: -21.0 MB). Peak memory consumption was 4.6 MB. Max. memory is 16.0 GB. [2021-01-20 14:53:37,125 INFO L168 Benchmark]: TraceAbstraction took 3522.53 ms. Allocated memory was 312.5 MB in the beginning and 375.4 MB in the end (delta: 62.9 MB). Free memory was 274.9 MB in the beginning and 345.5 MB in the end (delta: -70.6 MB). Peak memory consumption was 196.8 MB. Max. memory is 16.0 GB. [2021-01-20 14:53:37,129 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 312.5 MB. Free memory is still 282.6 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 676.39 ms. Allocated memory is still 312.5 MB. Free memory was 287.5 MB in the beginning and 258.4 MB in the end (delta: 29.2 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 90.81 ms. Allocated memory is still 312.5 MB. Free memory was 258.4 MB in the beginning and 256.4 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 61.10 ms. Allocated memory is still 312.5 MB. Free memory was 256.4 MB in the beginning and 255.2 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 618.78 ms. Allocated memory is still 312.5 MB. Free memory was 254.9 MB in the beginning and 276.0 MB in the end (delta: -21.0 MB). Peak memory consumption was 4.6 MB. Max. memory is 16.0 GB. * TraceAbstraction took 3522.53 ms. Allocated memory was 312.5 MB in the beginning and 375.4 MB in the end (delta: 62.9 MB). Free memory was 274.9 MB in the beginning and 345.5 MB in the end (delta: -70.6 MB). Peak memory consumption was 196.8 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 683]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L697] 0 volatile int x; VAL [x=0] [L698] 0 volatile int n; VAL [n=0, x=0] [L710] 0 pthread_t t1, t2; VAL [n=0, x=0] [L711] 0 int i; VAL [n=0, x=0] [L712] 0 x = 0 VAL [n=0, x=0] [L713] 0 n = __VERIFIER_nondet_int() VAL [n=1, x=0] [L686] COND FALSE 0 !(!cond) VAL [n=1, x=0] [L715] FCALL, FORK 0 pthread_create(&t1, 0, thr1, 0) VAL [n=1, x=0] [L716] 0 i = 0 VAL [n=1, x=0] [L716] COND TRUE 0 i < n VAL [n=1, x=0] [L717] FCALL, FORK 0 pthread_create(&t2, 0, thr2, 0) VAL [arg={0:0}, n=1, x=0] [L704] 2 int t; VAL [arg={0:0}, arg={0:0}, n=1, x=0] [L705] 2 t = x VAL [arg={0:0}, arg={0:0}, n=1, t=0, x=0] [L706] 2 x = t + 1 VAL [arg={0:0}, arg={0:0}, n=1, t=0, x=1] [L689] COND TRUE 1 !(cond) VAL [arg={0:0}, arg={0:0}, n=1, t=0, x=1] [L683] COND FALSE 1 !(0) VAL [arg={0:0}, arg={0:0}, n=1, t=0, x=1] [L683] 1 __assert_fail ("0", "assert.h", 6, __extension__ __PRETTY_FUNCTION__) VAL [arg={0:0}, arg={0:0}, n=1, t=0, x=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 66 locations, 1 error locations. Started 2 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 3.2s, OverallIterations: 4, TraceHistogramMax: 2, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.2s, HoareTripleCheckerStatistics: 210 SDtfs, 553 SDslu, 786 SDs, 0 SdLazy, 193 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12656occurred 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, 0.3s InterpolantComputationTime, 153 NumberOfCodeBlocks, 153 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 68 ConstructedInterpolants, 0 QuantifiedInterpolants, 7956 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 incorrect! Received shutdown request...