/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.check.unreachability.of.error.function.in.sv-comp.mode false --cacsl2boogietranslator.check.absence.of.signed.integer.overflows true -i ../../../trunk/examples/svcomp/weaver/popl20-bad-three-array-sum-alt.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-53ca081-m [2022-09-16 10:58:54,023 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-09-16 10:58:54,025 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-09-16 10:58:54,058 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-09-16 10:58:54,058 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-09-16 10:58:54,060 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-09-16 10:58:54,062 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-09-16 10:58:54,063 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-09-16 10:58:54,064 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-09-16 10:58:54,068 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-09-16 10:58:54,068 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-09-16 10:58:54,069 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-09-16 10:58:54,069 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-09-16 10:58:54,071 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-09-16 10:58:54,072 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-09-16 10:58:54,074 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-09-16 10:58:54,074 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-09-16 10:58:54,075 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-09-16 10:58:54,076 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-09-16 10:58:54,077 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-09-16 10:58:54,077 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-09-16 10:58:54,078 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-09-16 10:58:54,079 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-09-16 10:58:54,080 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-09-16 10:58:54,086 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-09-16 10:58:54,086 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-09-16 10:58:54,086 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-09-16 10:58:54,086 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-09-16 10:58:54,087 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-09-16 10:58:54,087 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-09-16 10:58:54,087 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-09-16 10:58:54,088 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-09-16 10:58:54,088 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-09-16 10:58:54,089 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-09-16 10:58:54,089 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-09-16 10:58:54,089 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-09-16 10:58:54,090 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-09-16 10:58:54,090 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-09-16 10:58:54,090 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-09-16 10:58:54,090 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-09-16 10:58:54,091 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-09-16 10:58:54,093 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 [2022-09-16 10:58:54,116 INFO L113 SettingsManager]: Loading preferences was successful [2022-09-16 10:58:54,116 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-09-16 10:58:54,116 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-09-16 10:58:54,116 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-09-16 10:58:54,117 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-09-16 10:58:54,117 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-09-16 10:58:54,118 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-09-16 10:58:54,118 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-09-16 10:58:54,118 INFO L138 SettingsManager]: * Use SBE=true [2022-09-16 10:58:54,118 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-09-16 10:58:54,118 INFO L138 SettingsManager]: * sizeof long=4 [2022-09-16 10:58:54,118 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-09-16 10:58:54,119 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-09-16 10:58:54,119 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-09-16 10:58:54,119 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-09-16 10:58:54,119 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-09-16 10:58:54,119 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-09-16 10:58:54,119 INFO L138 SettingsManager]: * sizeof long double=12 [2022-09-16 10:58:54,119 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-09-16 10:58:54,119 INFO L138 SettingsManager]: * Use constant arrays=true [2022-09-16 10:58:54,119 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-09-16 10:58:54,119 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-09-16 10:58:54,119 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-09-16 10:58:54,120 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-09-16 10:58:54,120 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-09-16 10:58:54,120 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-16 10:58:54,121 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-09-16 10:58:54,121 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-09-16 10:58:54,121 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-09-16 10:58:54,121 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-09-16 10:58:54,121 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-09-16 10:58:54,121 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-09-16 10:58:54,121 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-09-16 10:58:54,121 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2022-09-16 10:58:54,300 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-09-16 10:58:54,316 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-09-16 10:58:54,318 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-09-16 10:58:54,318 INFO L271 PluginConnector]: Initializing CDTParser... [2022-09-16 10:58:54,322 INFO L275 PluginConnector]: CDTParser initialized [2022-09-16 10:58:54,322 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-bad-three-array-sum-alt.wvr.c [2022-09-16 10:58:54,371 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/268a81dd7/60f1fcbf5459424a92e21c33d03cbf8d/FLAGa35a4215d [2022-09-16 10:58:54,731 INFO L306 CDTParser]: Found 1 translation units. [2022-09-16 10:58:54,731 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-three-array-sum-alt.wvr.c [2022-09-16 10:58:54,751 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/268a81dd7/60f1fcbf5459424a92e21c33d03cbf8d/FLAGa35a4215d [2022-09-16 10:58:54,760 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/268a81dd7/60f1fcbf5459424a92e21c33d03cbf8d [2022-09-16 10:58:54,761 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-09-16 10:58:54,762 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-09-16 10:58:54,763 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-09-16 10:58:54,763 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-09-16 10:58:54,778 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-09-16 10:58:54,779 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 10:58:54" (1/1) ... [2022-09-16 10:58:54,779 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14d4b9c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:58:54, skipping insertion in model container [2022-09-16 10:58:54,779 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 10:58:54" (1/1) ... [2022-09-16 10:58:54,784 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-09-16 10:58:54,797 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-09-16 10:58:54,982 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-three-array-sum-alt.wvr.c[2412,2425] [2022-09-16 10:58:54,989 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-09-16 10:58:54,995 INFO L203 MainTranslator]: Completed pre-run [2022-09-16 10:58:55,015 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-three-array-sum-alt.wvr.c[2412,2425] [2022-09-16 10:58:55,019 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-09-16 10:58:55,038 INFO L208 MainTranslator]: Completed translation [2022-09-16 10:58:55,039 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:58:55 WrapperNode [2022-09-16 10:58:55,039 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-09-16 10:58:55,040 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-09-16 10:58:55,040 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-09-16 10:58:55,040 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-09-16 10:58:55,044 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:58:55" (1/1) ... [2022-09-16 10:58:55,050 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:58:55" (1/1) ... [2022-09-16 10:58:55,071 INFO L138 Inliner]: procedures = 26, calls = 45, calls flagged for inlining = 15, calls inlined = 27, statements flattened = 353 [2022-09-16 10:58:55,071 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-09-16 10:58:55,072 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-09-16 10:58:55,072 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-09-16 10:58:55,072 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-09-16 10:58:55,077 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:58:55" (1/1) ... [2022-09-16 10:58:55,077 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:58:55" (1/1) ... [2022-09-16 10:58:55,080 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:58:55" (1/1) ... [2022-09-16 10:58:55,081 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:58:55" (1/1) ... [2022-09-16 10:58:55,087 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:58:55" (1/1) ... [2022-09-16 10:58:55,090 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:58:55" (1/1) ... [2022-09-16 10:58:55,092 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:58:55" (1/1) ... [2022-09-16 10:58:55,094 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-09-16 10:58:55,095 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-09-16 10:58:55,095 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-09-16 10:58:55,095 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-09-16 10:58:55,096 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:58:55" (1/1) ... [2022-09-16 10:58:55,109 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-16 10:58:55,121 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-16 10:58:55,136 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-09-16 10:58:55,160 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-09-16 10:58:55,160 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-09-16 10:58:55,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-09-16 10:58:55,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-09-16 10:58:55,161 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-09-16 10:58:55,161 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-09-16 10:58:55,161 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-09-16 10:58:55,161 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-09-16 10:58:55,161 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-09-16 10:58:55,161 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-09-16 10:58:55,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-09-16 10:58:55,161 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-09-16 10:58:55,161 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-09-16 10:58:55,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-09-16 10:58:55,162 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-09-16 10:58:55,163 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-09-16 10:58:55,166 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-09-16 10:58:55,233 INFO L234 CfgBuilder]: Building ICFG [2022-09-16 10:58:55,234 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-09-16 10:58:55,747 INFO L275 CfgBuilder]: Performing block encoding [2022-09-16 10:58:55,763 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-09-16 10:58:55,764 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2022-09-16 10:58:55,766 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 10:58:55 BoogieIcfgContainer [2022-09-16 10:58:55,766 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-09-16 10:58:55,768 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-09-16 10:58:55,768 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-09-16 10:58:55,770 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-09-16 10:58:55,771 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.09 10:58:54" (1/3) ... [2022-09-16 10:58:55,771 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a5e5d64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 10:58:55, skipping insertion in model container [2022-09-16 10:58:55,771 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:58:55" (2/3) ... [2022-09-16 10:58:55,772 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a5e5d64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 10:58:55, skipping insertion in model container [2022-09-16 10:58:55,772 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 10:58:55" (3/3) ... [2022-09-16 10:58:55,773 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-bad-three-array-sum-alt.wvr.c [2022-09-16 10:58:55,778 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-09-16 10:58:55,784 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-09-16 10:58:55,784 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 42 error locations. [2022-09-16 10:58:55,784 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-09-16 10:58:55,903 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-09-16 10:58:55,937 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 472 places, 501 transitions, 1026 flow [2022-09-16 10:59:45,360 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 1626277 states, 1625051 states have (on average 3.979142808441089) internal successors, (6466310), 1626276 states have internal predecessors, (6466310), 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) [2022-09-16 10:59:45,414 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-09-16 10:59:45,439 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2332f8df, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-09-16 10:59:45,439 INFO L358 AbstractCegarLoop]: Starting to check reachability of 75 error locations. [2022-09-16 10:59:48,956 INFO L276 IsEmpty]: Start isEmpty. Operand has 1626277 states, 1625051 states have (on average 3.979142808441089) internal successors, (6466310), 1626276 states have internal predecessors, (6466310), 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) [2022-09-16 10:59:48,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-09-16 10:59:48,969 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:59:48,974 INFO L195 NwaCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:59:48,975 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 72 more)] === [2022-09-16 10:59:48,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:59:48,982 INFO L85 PathProgramCache]: Analyzing trace with hash -789370683, now seen corresponding path program 1 times [2022-09-16 10:59:48,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:59:48,987 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1854992473] [2022-09-16 10:59:48,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:59:48,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:59:49,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:59:49,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:59:49,343 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:59:49,344 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1854992473] [2022-09-16 10:59:49,344 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1854992473] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:59:49,345 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:59:49,345 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-09-16 10:59:49,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1406484010] [2022-09-16 10:59:49,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:59:49,351 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-09-16 10:59:49,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:59:49,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-09-16 10:59:49,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-09-16 11:00:00,967 INFO L87 Difference]: Start difference. First operand has 1626277 states, 1625051 states have (on average 3.979142808441089) internal successors, (6466310), 1626276 states have internal predecessors, (6466310), 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 4 states, 3 states have (on average 17.333333333333332) internal successors, (52), 4 states have internal predecessors, (52), 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)