./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-ext/28_buggy_simple_loop1_vf.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 54858612 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread-ext/28_buggy_simple_loop1_vf.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2f379f812387216e0e849b4b339b79ebf8d69f8f ........................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.0-5485861 [2020-10-26 00:10:09,473 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-26 00:10:09,475 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-26 00:10:09,511 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-26 00:10:09,512 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-26 00:10:09,513 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-26 00:10:09,515 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-26 00:10:09,518 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-26 00:10:09,520 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-26 00:10:09,522 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-26 00:10:09,523 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-26 00:10:09,525 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-26 00:10:09,525 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-26 00:10:09,527 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-26 00:10:09,528 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-26 00:10:09,530 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-26 00:10:09,531 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-26 00:10:09,533 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-26 00:10:09,535 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-26 00:10:09,538 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-26 00:10:09,540 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-26 00:10:09,546 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-26 00:10:09,547 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-26 00:10:09,549 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-26 00:10:09,558 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-26 00:10:09,558 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-26 00:10:09,559 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-26 00:10:09,560 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-26 00:10:09,561 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-26 00:10:09,562 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-26 00:10:09,562 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-26 00:10:09,564 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-26 00:10:09,565 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-26 00:10:09,566 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-26 00:10:09,568 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-26 00:10:09,568 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-26 00:10:09,569 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-26 00:10:09,569 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-26 00:10:09,570 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-26 00:10:09,571 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-26 00:10:09,572 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-26 00:10:09,573 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-26 00:10:09,606 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-26 00:10:09,606 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-26 00:10:09,608 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-26 00:10:09,609 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-26 00:10:09,609 INFO L138 SettingsManager]: * Use SBE=true [2020-10-26 00:10:09,609 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-26 00:10:09,610 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-26 00:10:09,610 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-26 00:10:09,610 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-26 00:10:09,610 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-26 00:10:09,611 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-26 00:10:09,611 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-26 00:10:09,611 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-26 00:10:09,611 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-26 00:10:09,612 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-26 00:10:09,612 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-26 00:10:09,612 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-26 00:10:09,613 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-26 00:10:09,613 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-26 00:10:09,613 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-26 00:10:09,613 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-26 00:10:09,613 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-26 00:10:09,614 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-26 00:10:09,614 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-26 00:10:09,614 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-26 00:10:09,614 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-26 00:10:09,615 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-26 00:10:09,615 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-26 00:10:09,615 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-26 00:10:09,615 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2f379f812387216e0e849b4b339b79ebf8d69f8f [2020-10-26 00:10:10,094 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-26 00:10:10,128 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-26 00:10:10,132 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-26 00:10:10,133 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-26 00:10:10,141 INFO L275 PluginConnector]: CDTParser initialized [2020-10-26 00:10:10,142 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-ext/28_buggy_simple_loop1_vf.i [2020-10-26 00:10:10,262 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0a9a2ff1b/0ce925e4a7204b36967e9d3b6cac6e1e/FLAG8527d33df [2020-10-26 00:10:10,928 INFO L306 CDTParser]: Found 1 translation units. [2020-10-26 00:10:10,928 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-ext/28_buggy_simple_loop1_vf.i [2020-10-26 00:10:10,958 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0a9a2ff1b/0ce925e4a7204b36967e9d3b6cac6e1e/FLAG8527d33df [2020-10-26 00:10:11,229 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0a9a2ff1b/0ce925e4a7204b36967e9d3b6cac6e1e [2020-10-26 00:10:11,234 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-26 00:10:11,242 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-26 00:10:11,247 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-26 00:10:11,247 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-26 00:10:11,251 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-26 00:10:11,252 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 12:10:11" (1/1) ... [2020-10-26 00:10:11,256 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42f54f46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 12:10:11, skipping insertion in model container [2020-10-26 00:10:11,257 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 12:10:11" (1/1) ... [2020-10-26 00:10:11,266 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-26 00:10:11,333 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-26 00:10:11,777 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 00:10:11,801 INFO L203 MainTranslator]: Completed pre-run [2020-10-26 00:10:11,889 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 00:10:12,000 INFO L208 MainTranslator]: Completed translation [2020-10-26 00:10:12,001 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 12:10:12 WrapperNode [2020-10-26 00:10:12,001 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-26 00:10:12,002 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-26 00:10:12,002 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-26 00:10:12,003 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-26 00:10:12,013 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 12:10:12" (1/1) ... [2020-10-26 00:10:12,047 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 12:10:12" (1/1) ... [2020-10-26 00:10:12,072 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-26 00:10:12,073 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-26 00:10:12,073 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-26 00:10:12,074 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-26 00:10:12,083 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 12:10:12" (1/1) ... [2020-10-26 00:10:12,084 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 12:10:12" (1/1) ... [2020-10-26 00:10:12,086 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 12:10:12" (1/1) ... [2020-10-26 00:10:12,087 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 12:10:12" (1/1) ... [2020-10-26 00:10:12,093 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 12:10:12" (1/1) ... [2020-10-26 00:10:12,098 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 12:10:12" (1/1) ... [2020-10-26 00:10:12,100 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 12:10:12" (1/1) ... [2020-10-26 00:10:12,103 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-26 00:10:12,104 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-26 00:10:12,105 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-26 00:10:12,105 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-26 00:10:12,106 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 12:10:12" (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 [2020-10-26 00:10:12,193 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2020-10-26 00:10:12,194 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2020-10-26 00:10:12,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-26 00:10:12,196 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-26 00:10:12,196 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-26 00:10:12,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-26 00:10:12,198 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-26 00:10:12,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-26 00:10:12,201 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-26 00:10:12,722 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-26 00:10:12,723 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-26 00:10:12,724 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 12:10:12 BoogieIcfgContainer [2020-10-26 00:10:12,725 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-26 00:10:12,726 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-26 00:10:12,727 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-26 00:10:12,730 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-26 00:10:12,730 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 12:10:11" (1/3) ... [2020-10-26 00:10:12,731 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ab7fa31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 12:10:12, skipping insertion in model container [2020-10-26 00:10:12,731 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 12:10:12" (2/3) ... [2020-10-26 00:10:12,732 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ab7fa31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 12:10:12, skipping insertion in model container [2020-10-26 00:10:12,732 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 12:10:12" (3/3) ... [2020-10-26 00:10:12,734 INFO L111 eAbstractionObserver]: Analyzing ICFG 28_buggy_simple_loop1_vf.i [2020-10-26 00:10:12,746 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-26 00:10:12,746 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-26 00:10:12,752 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-26 00:10:12,753 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-26 00:10:12,781 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:10:12,781 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:10:12,781 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:10:12,782 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:10:12,782 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:10:12,782 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:10:12,782 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:10:12,783 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:10:12,783 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~y~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:10:12,783 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:10:12,783 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:10:12,783 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~z~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:10:12,784 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:10:12,784 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:10:12,784 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:10:12,784 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:10:12,784 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:10:12,785 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:10:12,785 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:10:12,785 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:10:12,785 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:10:12,786 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~z~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:10:12,786 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:10:12,786 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:10:12,786 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:10:12,786 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~y~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:10:12,786 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:10:12,787 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~z~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:10:12,787 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:10:12,787 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:10:12,787 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:10:12,788 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~y~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:10:12,788 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:10:12,788 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:10:12,788 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:10:12,788 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:10:12,789 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:10:12,789 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:10:12,789 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:10:12,789 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:10:12,789 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~y~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:10:12,790 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:10:12,790 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~y~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:10:12,790 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:10:12,790 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:10:12,791 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:10:12,791 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:10:12,791 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:10:12,791 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:10:12,792 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~z~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:10:12,792 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:10:12,792 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~z~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:10:12,792 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:10:12,792 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:10:12,793 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:10:12,793 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:10:12,793 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:10:12,793 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:10:12,793 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:10:12,794 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:10:12,794 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:10:12,794 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:10:12,794 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:10:12,794 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:10:12,795 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:10:12,795 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:10:12,795 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:10:12,795 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:10:12,798 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:10:12,798 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:10:12,801 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~z~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:10:12,802 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:10:12,802 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:10:12,802 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:10:12,802 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:10:12,803 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:10:12,803 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:10:12,803 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:10:12,803 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:10:12,803 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:10:12,803 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~y~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:10:12,804 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:10:12,804 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:10:12,804 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:10:12,804 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:10:12,804 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:10:12,805 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:10:12,805 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:10:12,810 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-10-26 00:10:12,824 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-10-26 00:10:12,848 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-26 00:10:12,848 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-26 00:10:12,849 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-26 00:10:12,849 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-26 00:10:12,849 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-26 00:10:12,849 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-26 00:10:12,849 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-26 00:10:12,849 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-26 00:10:12,862 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-26 00:10:12,864 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 58 places, 65 transitions, 135 flow [2020-10-26 00:10:12,868 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 58 places, 65 transitions, 135 flow [2020-10-26 00:10:12,870 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 58 places, 65 transitions, 135 flow [2020-10-26 00:10:12,927 INFO L129 PetriNetUnfolder]: 11/73 cut-off events. [2020-10-26 00:10:12,928 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-26 00:10:12,939 INFO L80 FinitePrefix]: Finished finitePrefix Result has 78 conditions, 73 events. 11/73 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 99 event pairs, 0 based on Foata normal form. 0/59 useless extension candidates. Maximal degree in co-relation 53. Up to 4 conditions per place. [2020-10-26 00:10:12,944 INFO L116 LiptonReduction]: Number of co-enabled transitions 880 [2020-10-26 00:10:14,276 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2020-10-26 00:10:14,508 INFO L131 LiptonReduction]: Checked pairs total: 667 [2020-10-26 00:10:14,508 INFO L133 LiptonReduction]: Total number of compositions: 57 [2020-10-26 00:10:14,515 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 15 places, 17 transitions, 39 flow [2020-10-26 00:10:14,528 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 39 states. [2020-10-26 00:10:14,541 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states. [2020-10-26 00:10:14,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-10-26 00:10:14,547 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 00:10:14,548 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-10-26 00:10:14,548 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-26 00:10:14,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 00:10:14,559 INFO L82 PathProgramCache]: Analyzing trace with hash 468353290, now seen corresponding path program 1 times [2020-10-26 00:10:14,571 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 00:10:14,572 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1293023810] [2020-10-26 00:10:14,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 00:10:14,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 00:10:14,729 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 00:10:14,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 00:10:14,770 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 00:10:14,794 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 00:10:14,795 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-26 00:10:14,795 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-26 00:10:14,796 WARN L264 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-26 00:10:14,801 WARN L124 codingBacktranslator]: Skipped backtranslation of ATE [253] [253] L688-6-->L688-7: Formula: (not (< (mod thr1Thread1of1ForFork0_~i~0_In337175771 4294967296) (mod thr1Thread1of1ForFork0_~x~0_In337175771 4294967296))) InVars {thr1Thread1of1ForFork0_~i~0=thr1Thread1of1ForFork0_~i~0_In337175771, thr1Thread1of1ForFork0_~x~0=thr1Thread1of1ForFork0_~x~0_In337175771} OutVars{thr1Thread1of1ForFork0_~i~0=thr1Thread1of1ForFork0_~i~0_In337175771, thr1Thread1of1ForFork0_~x~0=thr1Thread1of1ForFork0_~x~0_In337175771} AuxVars[] AssignedVars[] because there is no mapped edge [2020-10-26 00:10:14,817 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 12:10:14 BasicIcfg [2020-10-26 00:10:14,817 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-26 00:10:14,818 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-26 00:10:14,818 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-26 00:10:14,818 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-26 00:10:14,819 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 12:10:12" (3/4) ... [2020-10-26 00:10:14,821 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-10-26 00:10:14,830 WARN L124 codingBacktranslator]: Skipped backtranslation of ATE [253] [253] L688-6-->L688-7: Formula: (not (< (mod thr1Thread1of1ForFork0_~i~0_In337175771 4294967296) (mod thr1Thread1of1ForFork0_~x~0_In337175771 4294967296))) InVars {thr1Thread1of1ForFork0_~i~0=thr1Thread1of1ForFork0_~i~0_In337175771, thr1Thread1of1ForFork0_~x~0=thr1Thread1of1ForFork0_~x~0_In337175771} OutVars{thr1Thread1of1ForFork0_~i~0=thr1Thread1of1ForFork0_~i~0_In337175771, thr1Thread1of1ForFork0_~x~0=thr1Thread1of1ForFork0_~x~0_In337175771} AuxVars[] AssignedVars[] because there is no mapped edge [2020-10-26 00:10:14,871 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-26 00:10:14,872 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-26 00:10:14,874 INFO L168 Benchmark]: Toolchain (without parser) took 3636.27 ms. Allocated memory was 54.5 MB in the beginning and 96.5 MB in the end (delta: 41.9 MB). Free memory was 29.9 MB in the beginning and 75.8 MB in the end (delta: -45.9 MB). Peak memory consumption was 43.1 MB. Max. memory is 16.1 GB. [2020-10-26 00:10:14,874 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 54.5 MB. Free memory was 36.4 MB in the beginning and 36.3 MB in the end (delta: 73.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-26 00:10:14,875 INFO L168 Benchmark]: CACSL2BoogieTranslator took 754.70 ms. Allocated memory was 54.5 MB in the beginning and 79.7 MB in the end (delta: 25.2 MB). Free memory was 29.3 MB in the beginning and 51.5 MB in the end (delta: -22.2 MB). Peak memory consumption was 10.1 MB. Max. memory is 16.1 GB. [2020-10-26 00:10:14,876 INFO L168 Benchmark]: Boogie Procedure Inliner took 70.13 ms. Allocated memory is still 79.7 MB. Free memory was 51.5 MB in the beginning and 49.8 MB in the end (delta: 1.8 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-26 00:10:14,877 INFO L168 Benchmark]: Boogie Preprocessor took 30.47 ms. Allocated memory is still 79.7 MB. Free memory was 49.8 MB in the beginning and 48.2 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-26 00:10:14,877 INFO L168 Benchmark]: RCFGBuilder took 620.33 ms. Allocated memory is still 79.7 MB. Free memory was 48.2 MB in the beginning and 49.9 MB in the end (delta: -1.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-10-26 00:10:14,878 INFO L168 Benchmark]: TraceAbstraction took 2091.03 ms. Allocated memory was 79.7 MB in the beginning and 96.5 MB in the end (delta: 16.8 MB). Free memory was 49.1 MB in the beginning and 31.5 MB in the end (delta: 17.7 MB). Peak memory consumption was 32.7 MB. Max. memory is 16.1 GB. [2020-10-26 00:10:14,879 INFO L168 Benchmark]: Witness Printer took 53.66 ms. Allocated memory is still 96.5 MB. Free memory was 31.5 MB in the beginning and 75.8 MB in the end (delta: -44.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-26 00:10:14,883 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 54.5 MB. Free memory was 36.4 MB in the beginning and 36.3 MB in the end (delta: 73.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 754.70 ms. Allocated memory was 54.5 MB in the beginning and 79.7 MB in the end (delta: 25.2 MB). Free memory was 29.3 MB in the beginning and 51.5 MB in the end (delta: -22.2 MB). Peak memory consumption was 10.1 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 70.13 ms. Allocated memory is still 79.7 MB. Free memory was 51.5 MB in the beginning and 49.8 MB in the end (delta: 1.8 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 30.47 ms. Allocated memory is still 79.7 MB. Free memory was 49.8 MB in the beginning and 48.2 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 620.33 ms. Allocated memory is still 79.7 MB. Free memory was 48.2 MB in the beginning and 49.9 MB in the end (delta: -1.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 2091.03 ms. Allocated memory was 79.7 MB in the beginning and 96.5 MB in the end (delta: 16.8 MB). Free memory was 49.1 MB in the beginning and 31.5 MB in the end (delta: 17.7 MB). Peak memory consumption was 32.7 MB. Max. memory is 16.1 GB. * Witness Printer took 53.66 ms. Allocated memory is still 96.5 MB. Free memory was 31.5 MB in the beginning and 75.8 MB in the end (delta: -44.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 525 VarBasedMoverChecksPositive, 0 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 11 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 1.6s, 58 PlacesBefore, 15 PlacesAfterwards, 65 TransitionsBefore, 17 TransitionsAfterwards, 880 CoEnabledTransitionPairs, 5 FixpointIterations, 9 TrivialSequentialCompositions, 31 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 12 ConcurrentYvCompositions, 5 ChoiceCompositions, 57 TotalNumberOfCompositions, 667 MoverChecksTotal - CounterExampleResult [Line: 12]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L700] 0 pthread_t t; [L701] COND TRUE 0 1 [L703] FCALL, FORK 0 pthread_create(&t, 0, thr1, 0) [L686] 1 unsigned int x=__VERIFIER_nondet_uint(), y=__VERIFIER_nondet_uint(), z=__VERIFIER_nondet_uint(); [L686] 1 unsigned int x=__VERIFIER_nondet_uint(), y=__VERIFIER_nondet_uint(), z=__VERIFIER_nondet_uint(); [L686] 1 unsigned int x=__VERIFIER_nondet_uint(), y=__VERIFIER_nondet_uint(), z=__VERIFIER_nondet_uint(); [L687] 1 int i, j=1, k=1; [L688] 1 i=0 [L695] COND TRUE 1 !(i == x && ( j == y || y <= x+1) && (x == 0 || y <= x+1 || k == z || z < y)) [L12] COND FALSE 1 !(0) [L12] 1 __assert_fail ("0", "28_buggy_simple_loop1_vf.c", 3, __extension__ __PRETTY_FUNCTION__) - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 55 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1.9s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.6s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=39occurred 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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...