/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/chl-array-int-trans.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-53ca081-m [2022-09-16 10:47:33,418 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-09-16 10:47:33,420 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-09-16 10:47:33,447 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-09-16 10:47:33,448 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-09-16 10:47:33,449 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-09-16 10:47:33,450 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-09-16 10:47:33,452 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-09-16 10:47:33,453 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-09-16 10:47:33,454 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-09-16 10:47:33,455 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-09-16 10:47:33,459 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-09-16 10:47:33,459 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-09-16 10:47:33,460 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-09-16 10:47:33,461 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-09-16 10:47:33,462 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-09-16 10:47:33,462 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-09-16 10:47:33,463 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-09-16 10:47:33,464 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-09-16 10:47:33,466 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-09-16 10:47:33,467 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-09-16 10:47:33,468 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-09-16 10:47:33,469 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-09-16 10:47:33,469 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-09-16 10:47:33,472 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-09-16 10:47:33,473 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-09-16 10:47:33,473 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-09-16 10:47:33,474 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-09-16 10:47:33,474 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-09-16 10:47:33,475 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-09-16 10:47:33,475 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-09-16 10:47:33,476 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-09-16 10:47:33,476 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-09-16 10:47:33,477 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-09-16 10:47:33,478 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-09-16 10:47:33,478 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-09-16 10:47:33,478 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-09-16 10:47:33,479 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-09-16 10:47:33,479 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-09-16 10:47:33,480 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-09-16 10:47:33,480 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-09-16 10:47:33,481 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 10:47:33,500 INFO L113 SettingsManager]: Loading preferences was successful [2022-09-16 10:47:33,500 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-09-16 10:47:33,501 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-09-16 10:47:33,501 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-09-16 10:47:33,502 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-09-16 10:47:33,502 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-09-16 10:47:33,502 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-09-16 10:47:33,502 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-09-16 10:47:33,503 INFO L138 SettingsManager]: * Use SBE=true [2022-09-16 10:47:33,503 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-09-16 10:47:33,503 INFO L138 SettingsManager]: * sizeof long=4 [2022-09-16 10:47:33,503 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-09-16 10:47:33,503 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-09-16 10:47:33,503 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-09-16 10:47:33,504 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-09-16 10:47:33,504 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-09-16 10:47:33,504 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-09-16 10:47:33,504 INFO L138 SettingsManager]: * sizeof long double=12 [2022-09-16 10:47:33,504 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-09-16 10:47:33,505 INFO L138 SettingsManager]: * Use constant arrays=true [2022-09-16 10:47:33,505 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-09-16 10:47:33,505 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-09-16 10:47:33,505 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-09-16 10:47:33,505 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-09-16 10:47:33,505 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-09-16 10:47:33,506 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-16 10:47:33,506 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-09-16 10:47:33,506 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-09-16 10:47:33,506 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-09-16 10:47:33,506 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-09-16 10:47:33,506 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-09-16 10:47:33,507 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-09-16 10:47:33,507 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-09-16 10:47:33,507 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2022-09-16 10:47:33,734 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-09-16 10:47:33,756 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-09-16 10:47:33,759 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-09-16 10:47:33,760 INFO L271 PluginConnector]: Initializing CDTParser... [2022-09-16 10:47:33,763 INFO L275 PluginConnector]: CDTParser initialized [2022-09-16 10:47:33,765 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/chl-array-int-trans.wvr.c [2022-09-16 10:47:33,832 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8d0a84337/86c5407d19b1416eba847515876a989b/FLAGd68581cf4 [2022-09-16 10:47:34,218 INFO L306 CDTParser]: Found 1 translation units. [2022-09-16 10:47:34,219 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-array-int-trans.wvr.c [2022-09-16 10:47:34,225 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8d0a84337/86c5407d19b1416eba847515876a989b/FLAGd68581cf4 [2022-09-16 10:47:34,236 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8d0a84337/86c5407d19b1416eba847515876a989b [2022-09-16 10:47:34,239 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-09-16 10:47:34,240 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-09-16 10:47:34,241 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-09-16 10:47:34,242 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-09-16 10:47:34,250 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-09-16 10:47:34,251 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 10:47:34" (1/1) ... [2022-09-16 10:47:34,252 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ebcfb2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:47:34, skipping insertion in model container [2022-09-16 10:47:34,252 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 10:47:34" (1/1) ... [2022-09-16 10:47:34,259 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-09-16 10:47:34,273 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-09-16 10:47:34,554 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/chl-array-int-trans.wvr.c[2728,2741] [2022-09-16 10:47:34,568 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-09-16 10:47:34,575 INFO L203 MainTranslator]: Completed pre-run [2022-09-16 10:47:34,598 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/chl-array-int-trans.wvr.c[2728,2741] [2022-09-16 10:47:34,602 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-09-16 10:47:34,619 INFO L208 MainTranslator]: Completed translation [2022-09-16 10:47:34,620 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:47:34 WrapperNode [2022-09-16 10:47:34,620 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-09-16 10:47:34,621 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-09-16 10:47:34,621 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-09-16 10:47:34,621 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-09-16 10:47:34,627 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:47:34" (1/1) ... [2022-09-16 10:47:34,635 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:47:34" (1/1) ... [2022-09-16 10:47:34,676 INFO L138 Inliner]: procedures = 26, calls = 49, calls flagged for inlining = 13, calls inlined = 21, statements flattened = 337 [2022-09-16 10:47:34,676 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-09-16 10:47:34,677 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-09-16 10:47:34,677 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-09-16 10:47:34,677 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-09-16 10:47:34,685 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:47:34" (1/1) ... [2022-09-16 10:47:34,685 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:47:34" (1/1) ... [2022-09-16 10:47:34,689 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:47:34" (1/1) ... [2022-09-16 10:47:34,689 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:47:34" (1/1) ... [2022-09-16 10:47:34,698 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:47:34" (1/1) ... [2022-09-16 10:47:34,712 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:47:34" (1/1) ... [2022-09-16 10:47:34,715 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:47:34" (1/1) ... [2022-09-16 10:47:34,718 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-09-16 10:47:34,719 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-09-16 10:47:34,719 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-09-16 10:47:34,719 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-09-16 10:47:34,720 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:47:34" (1/1) ... [2022-09-16 10:47:34,735 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-16 10:47:34,746 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-16 10:47:34,765 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 10:47:34,774 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 10:47:34,802 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-09-16 10:47:34,802 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-09-16 10:47:34,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-09-16 10:47:34,803 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-09-16 10:47:34,803 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-09-16 10:47:34,803 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-09-16 10:47:34,803 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-09-16 10:47:34,803 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-09-16 10:47:34,803 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-09-16 10:47:34,803 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-09-16 10:47:34,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-09-16 10:47:34,804 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-09-16 10:47:34,804 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-09-16 10:47:34,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-09-16 10:47:34,804 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-09-16 10:47:34,805 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 10:47:34,932 INFO L234 CfgBuilder]: Building ICFG [2022-09-16 10:47:34,933 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-09-16 10:47:35,386 INFO L275 CfgBuilder]: Performing block encoding [2022-09-16 10:47:35,407 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-09-16 10:47:35,407 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2022-09-16 10:47:35,410 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 10:47:35 BoogieIcfgContainer [2022-09-16 10:47:35,410 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-09-16 10:47:35,411 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-09-16 10:47:35,412 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-09-16 10:47:35,419 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-09-16 10:47:35,420 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.09 10:47:34" (1/3) ... [2022-09-16 10:47:35,420 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f1c9227 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 10:47:35, skipping insertion in model container [2022-09-16 10:47:35,420 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:47:34" (2/3) ... [2022-09-16 10:47:35,421 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f1c9227 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 10:47:35, skipping insertion in model container [2022-09-16 10:47:35,421 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 10:47:35" (3/3) ... [2022-09-16 10:47:35,422 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-array-int-trans.wvr.c [2022-09-16 10:47:35,429 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-09-16 10:47:35,436 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-09-16 10:47:35,436 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 36 error locations. [2022-09-16 10:47:35,436 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-09-16 10:47:35,538 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-09-16 10:47:35,568 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 427 places, 451 transitions, 926 flow [2022-09-16 10:48:30,758 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 1665280 states, 1663944 states have (on average 3.9700050001682747) internal successors, (6605866), 1665279 states have internal predecessors, (6605866), 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 10:48:30,801 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-09-16 10:48:30,809 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;@4b04fabc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-09-16 10:48:30,810 INFO L358 AbstractCegarLoop]: Starting to check reachability of 69 error locations. [2022-09-16 10:48:34,868 INFO L276 IsEmpty]: Start isEmpty. Operand has 1665280 states, 1663944 states have (on average 3.9700050001682747) internal successors, (6605866), 1665279 states have internal predecessors, (6605866), 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 10:48:34,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-09-16 10:48:34,877 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:48:34,878 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, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:48:34,879 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err8ASSERT_VIOLATIONINTEGER_OVERFLOW (and 66 more)] === [2022-09-16 10:48:34,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:48:34,894 INFO L85 PathProgramCache]: Analyzing trace with hash -52091357, now seen corresponding path program 1 times [2022-09-16 10:48:34,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:48:34,928 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187648397] [2022-09-16 10:48:34,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:48:34,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:48:35,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:48:35,321 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 10:48:35,322 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:48:35,335 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1187648397] [2022-09-16 10:48:35,337 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1187648397] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:48:35,337 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:48:35,337 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-09-16 10:48:35,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1808643252] [2022-09-16 10:48:35,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:48:35,344 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-09-16 10:48:35,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:48:35,402 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-09-16 10:48:35,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-09-16 10:48:47,267 INFO L87 Difference]: Start difference. First operand has 1665280 states, 1663944 states have (on average 3.9700050001682747) internal successors, (6605866), 1665279 states have internal predecessors, (6605866), 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 20.0) internal successors, (60), 4 states have internal predecessors, (60), 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)