/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/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-WP.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-more-array-sum2.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-c7b2d19 [2022-03-15 19:21:44,236 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-15 19:21:44,237 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-15 19:21:44,298 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-15 19:21:44,299 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-15 19:21:44,299 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-15 19:21:44,300 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-15 19:21:44,302 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-15 19:21:44,303 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-15 19:21:44,303 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-15 19:21:44,304 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-15 19:21:44,305 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-15 19:21:44,305 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-15 19:21:44,306 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-15 19:21:44,306 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-15 19:21:44,307 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-15 19:21:44,308 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-15 19:21:44,308 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-15 19:21:44,309 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-15 19:21:44,311 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-15 19:21:44,312 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-15 19:21:44,312 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-15 19:21:44,313 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-15 19:21:44,314 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-15 19:21:44,316 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-03-15 19:21:44,316 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-03-15 19:21:44,316 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-03-15 19:21:44,317 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-03-15 19:21:44,317 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-03-15 19:21:44,318 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-03-15 19:21:44,318 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-03-15 19:21:44,318 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-03-15 19:21:44,319 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-03-15 19:21:44,319 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-03-15 19:21:44,320 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-03-15 19:21:44,320 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-03-15 19:21:44,320 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-03-15 19:21:44,321 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-03-15 19:21:44,321 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-15 19:21:44,321 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-15 19:21:44,322 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-15 19:21:44,323 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-WP.epf [2022-03-15 19:21:44,337 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-15 19:21:44,337 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-15 19:21:44,338 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-15 19:21:44,338 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-15 19:21:44,338 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-15 19:21:44,339 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-15 19:21:44,339 INFO L138 SettingsManager]: * Use SBE=true [2022-03-15 19:21:44,339 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-15 19:21:44,339 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-15 19:21:44,339 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-15 19:21:44,339 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-15 19:21:44,339 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-15 19:21:44,339 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-15 19:21:44,339 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-15 19:21:44,339 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-15 19:21:44,340 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-15 19:21:44,340 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-15 19:21:44,340 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-15 19:21:44,340 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-15 19:21:44,340 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-15 19:21:44,340 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-15 19:21:44,340 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-15 19:21:44,340 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-15 19:21:44,340 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-15 19:21:44,340 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-15 19:21:44,340 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2022-03-15 19:21:44,341 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-15 19:21:44,341 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-15 19:21:44,341 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-15 19:21:44,341 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2022-03-15 19:21:44,341 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2022-03-15 19:21:44,341 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-15 19:21:44,341 INFO L138 SettingsManager]: * Interpolant automaton=MCR 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-15 19:21:44,506 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-15 19:21:44,525 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-15 19:21:44,527 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-15 19:21:44,528 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-15 19:21:44,536 INFO L275 PluginConnector]: CDTParser initialized [2022-03-15 19:21:44,537 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-more-array-sum2.wvr.c [2022-03-15 19:21:44,594 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/52ae8673c/353b3668ff97401c950d2208de220ff0/FLAGa68d83e93 [2022-03-15 19:21:44,892 INFO L306 CDTParser]: Found 1 translation units. [2022-03-15 19:21:44,892 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-array-sum2.wvr.c [2022-03-15 19:21:44,897 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/52ae8673c/353b3668ff97401c950d2208de220ff0/FLAGa68d83e93 [2022-03-15 19:21:45,327 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/52ae8673c/353b3668ff97401c950d2208de220ff0 [2022-03-15 19:21:45,329 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-15 19:21:45,330 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-15 19:21:45,333 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-15 19:21:45,333 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-15 19:21:45,335 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-15 19:21:45,335 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 07:21:45" (1/1) ... [2022-03-15 19:21:45,336 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ef44ca0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 07:21:45, skipping insertion in model container [2022-03-15 19:21:45,336 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 07:21:45" (1/1) ... [2022-03-15 19:21:45,342 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-15 19:21:45,358 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-15 19:21:45,492 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-more-array-sum2.wvr.c[2599,2612] [2022-03-15 19:21:45,497 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-15 19:21:45,501 INFO L203 MainTranslator]: Completed pre-run [2022-03-15 19:21:45,514 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-more-array-sum2.wvr.c[2599,2612] [2022-03-15 19:21:45,516 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-15 19:21:45,524 INFO L208 MainTranslator]: Completed translation [2022-03-15 19:21:45,524 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 07:21:45 WrapperNode [2022-03-15 19:21:45,524 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-15 19:21:45,525 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-15 19:21:45,525 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-15 19:21:45,525 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-15 19:21:45,529 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 07:21:45" (1/1) ... [2022-03-15 19:21:45,534 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 07:21:45" (1/1) ... [2022-03-15 19:21:45,552 INFO L137 Inliner]: procedures = 25, calls = 52, calls flagged for inlining = 16, calls inlined = 28, statements flattened = 271 [2022-03-15 19:21:45,552 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-15 19:21:45,552 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-15 19:21:45,552 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-15 19:21:45,552 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-15 19:21:45,557 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 07:21:45" (1/1) ... [2022-03-15 19:21:45,557 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 07:21:45" (1/1) ... [2022-03-15 19:21:45,559 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 07:21:45" (1/1) ... [2022-03-15 19:21:45,559 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 07:21:45" (1/1) ... [2022-03-15 19:21:45,564 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 07:21:45" (1/1) ... [2022-03-15 19:21:45,567 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 07:21:45" (1/1) ... [2022-03-15 19:21:45,569 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 07:21:45" (1/1) ... [2022-03-15 19:21:45,571 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-15 19:21:45,571 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-15 19:21:45,571 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-15 19:21:45,571 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-15 19:21:45,575 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 07:21:45" (1/1) ... [2022-03-15 19:21:45,592 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-15 19:21:45,599 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 19:21:45,621 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) [2022-03-15 19:21:45,623 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 [2022-03-15 19:21:45,671 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-15 19:21:45,671 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-03-15 19:21:45,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-15 19:21:45,671 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-03-15 19:21:45,671 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-03-15 19:21:45,671 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-03-15 19:21:45,671 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-03-15 19:21:45,671 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-03-15 19:21:45,671 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-03-15 19:21:45,672 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-03-15 19:21:45,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-15 19:21:45,672 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-03-15 19:21:45,672 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-03-15 19:21:45,672 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-03-15 19:21:45,672 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-15 19:21:45,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-15 19:21:45,672 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-15 19:21:45,673 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-15 19:21:45,801 INFO L234 CfgBuilder]: Building ICFG [2022-03-15 19:21:45,802 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-15 19:21:46,158 INFO L275 CfgBuilder]: Performing block encoding [2022-03-15 19:21:46,338 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-15 19:21:46,338 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2022-03-15 19:21:46,340 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 07:21:46 BoogieIcfgContainer [2022-03-15 19:21:46,340 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-15 19:21:46,341 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-15 19:21:46,341 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-15 19:21:46,343 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-15 19:21:46,344 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.03 07:21:45" (1/3) ... [2022-03-15 19:21:46,344 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@771e0baf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 07:21:46, skipping insertion in model container [2022-03-15 19:21:46,345 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 07:21:45" (2/3) ... [2022-03-15 19:21:46,345 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@771e0baf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 07:21:46, skipping insertion in model container [2022-03-15 19:21:46,345 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 07:21:46" (3/3) ... [2022-03-15 19:21:46,346 INFO L111 eAbstractionObserver]: Analyzing ICFG popl20-more-array-sum2.wvr.c [2022-03-15 19:21:46,349 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-15 19:21:46,349 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2022-03-15 19:21:46,350 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-15 19:21:46,350 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-15 19:21:46,386 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,386 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,386 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,387 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,387 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,387 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,387 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,388 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,388 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,388 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,388 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,388 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,388 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,389 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,389 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,389 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,389 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,389 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,389 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,390 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,390 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,390 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,391 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,391 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,391 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,392 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,392 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,392 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,392 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,393 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,393 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,393 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,393 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,393 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,393 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,394 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,394 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,394 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,394 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,394 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,394 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,394 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,394 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,394 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,395 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,395 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,395 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,395 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,395 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,395 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,396 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,396 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,396 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,396 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,396 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,396 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,396 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,396 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,397 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,397 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,397 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,397 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,397 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,397 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,398 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,398 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,398 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,398 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,398 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,399 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,399 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,399 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,399 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,399 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,399 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,399 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,399 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,399 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,400 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,400 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,400 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,400 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,412 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,412 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,413 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,413 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,413 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,414 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,415 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,419 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,419 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,419 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,419 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,420 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,420 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,420 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,420 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,420 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,420 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,420 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,420 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,421 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,421 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,421 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,421 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,421 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,421 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,421 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,421 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,421 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,422 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,422 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,422 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,422 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,422 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,422 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,422 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,422 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,423 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,423 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,423 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,423 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,423 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,423 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,424 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,424 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,424 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,424 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,424 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,424 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,424 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,424 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,428 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,428 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,428 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,429 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,429 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,429 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,429 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,429 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,429 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,430 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,430 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,430 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,430 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,430 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,430 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,431 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,431 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,431 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,431 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,432 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,432 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,433 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,433 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,433 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,433 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,433 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,433 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,434 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,434 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,434 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,434 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,434 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,434 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,435 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,435 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,435 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,435 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,435 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,435 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,435 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,435 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,435 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,436 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,436 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,436 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 19:21:46,438 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-03-15 19:21:46,476 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-15 19:21:46,482 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=Craig_NestedInterpolation, mInterpolantAutomaton=MCR, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mLazyFiniteAutomaton=false, 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=true, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=true [2022-03-15 19:21:46,482 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-03-15 19:21:46,495 INFO L126 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-03-15 19:21:46,501 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 187 places, 193 transitions, 410 flow [2022-03-15 19:21:46,503 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 187 places, 193 transitions, 410 flow [2022-03-15 19:21:46,504 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 187 places, 193 transitions, 410 flow [2022-03-15 19:21:46,573 INFO L129 PetriNetUnfolder]: 16/190 cut-off events. [2022-03-15 19:21:46,573 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-03-15 19:21:46,576 INFO L84 FinitePrefix]: Finished finitePrefix Result has 203 conditions, 190 events. 16/190 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 108 event pairs, 0 based on Foata normal form. 0/173 useless extension candidates. Maximal degree in co-relation 152. Up to 2 conditions per place. [2022-03-15 19:21:46,579 INFO L116 LiptonReduction]: Number of co-enabled transitions 1320 [2022-03-15 19:21:51,340 INFO L131 LiptonReduction]: Checked pairs total: 1492 [2022-03-15 19:21:51,340 INFO L133 LiptonReduction]: Total number of compositions: 190 [2022-03-15 19:21:51,347 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 35 places, 30 transitions, 84 flow [2022-03-15 19:21:51,391 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 108 states, 107 states have (on average 3.074766355140187) internal successors, (329), 107 states have internal predecessors, (329), 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) [2022-03-15 19:21:51,393 INFO L276 IsEmpty]: Start isEmpty. Operand has 108 states, 107 states have (on average 3.074766355140187) internal successors, (329), 107 states have internal predecessors, (329), 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) [2022-03-15 19:21:51,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-03-15 19:21:51,402 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 19:21:51,403 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 19:21:51,403 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-15 19:21:51,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 19:21:51,436 INFO L85 PathProgramCache]: Analyzing trace with hash 1132539042, now seen corresponding path program 1 times [2022-03-15 19:21:51,449 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 19:21:51,449 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1723998984] [2022-03-15 19:21:51,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 19:21:51,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 19:21:51,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 19:21:51,779 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 19:21:51,779 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 19:21:51,779 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1723998984] [2022-03-15 19:21:51,780 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1723998984] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 19:21:51,780 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 19:21:51,780 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-15 19:21:51,781 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1196007989] [2022-03-15 19:21:51,781 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 19:21:51,787 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 19:21:51,820 INFO L252 McrAutomatonBuilder]: Finished intersection with 108 states and 245 transitions. [2022-03-15 19:21:51,823 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 19:21:52,346 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 19:21:52,348 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-15 19:21:52,348 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 19:21:52,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-15 19:21:52,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-15 19:21:52,376 INFO L87 Difference]: Start difference. First operand has 108 states, 107 states have (on average 3.074766355140187) internal successors, (329), 107 states have internal predecessors, (329), 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, 4 states have (on average 5.25) internal successors, (21), 3 states have internal predecessors, (21), 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) [2022-03-15 19:21:52,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 19:21:52,442 INFO L93 Difference]: Finished difference Result 112 states and 334 transitions. [2022-03-15 19:21:52,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-15 19:21:52,444 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21 [2022-03-15 19:21:52,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 19:21:52,451 INFO L225 Difference]: With dead ends: 112 [2022-03-15 19:21:52,451 INFO L226 Difference]: Without dead ends: 110 [2022-03-15 19:21:52,451 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-03-15 19:21:52,454 INFO L933 BasicCegarLoop]: 3 mSDtfsCounter, 1 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-15 19:21:52,455 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 9 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-15 19:21:52,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2022-03-15 19:21:52,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2022-03-15 19:21:52,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 109 states have (on average 3.036697247706422) internal successors, (331), 109 states have internal predecessors, (331), 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) [2022-03-15 19:21:52,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 331 transitions. [2022-03-15 19:21:52,493 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 331 transitions. Word has length 21 [2022-03-15 19:21:52,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 19:21:52,493 INFO L470 AbstractCegarLoop]: Abstraction has 110 states and 331 transitions. [2022-03-15 19:21:52,494 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 3 states have internal predecessors, (21), 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) [2022-03-15 19:21:52,494 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 331 transitions. [2022-03-15 19:21:52,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-03-15 19:21:52,496 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 19:21:52,496 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 19:21:52,496 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-15 19:21:52,496 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-15 19:21:52,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 19:21:52,498 INFO L85 PathProgramCache]: Analyzing trace with hash 1508782258, now seen corresponding path program 1 times [2022-03-15 19:21:52,499 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 19:21:52,501 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1123588572] [2022-03-15 19:21:52,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 19:21:52,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 19:21:52,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 19:21:52,590 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-03-15 19:21:52,590 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 19:21:52,590 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1123588572] [2022-03-15 19:21:52,590 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1123588572] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 19:21:52,590 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1878293049] [2022-03-15 19:21:52,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 19:21:52,591 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 19:21:52,591 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 19:21:52,592 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-15 19:21:52,616 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-03-15 19:21:52,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 19:21:52,676 INFO L263 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 6 conjunts are in the unsatisfiable core [2022-03-15 19:21:52,679 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 19:21:52,760 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-03-15 19:21:52,760 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-15 19:21:52,800 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-03-15 19:21:52,801 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1878293049] provided 1 perfect and 1 imperfect interpolant sequences [2022-03-15 19:21:52,801 INFO L191 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-03-15 19:21:52,801 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4, 4] total 8 [2022-03-15 19:21:52,802 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [532188165] [2022-03-15 19:21:52,802 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 19:21:52,804 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 19:21:52,842 INFO L252 McrAutomatonBuilder]: Finished intersection with 110 states and 247 transitions. [2022-03-15 19:21:52,842 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 19:21:53,313 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 19:21:53,314 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-15 19:21:53,314 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 19:21:53,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-15 19:21:53,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2022-03-15 19:21:53,314 INFO L87 Difference]: Start difference. First operand 110 states and 331 transitions. Second operand has 5 states, 5 states have (on average 8.2) internal successors, (41), 4 states have internal predecessors, (41), 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) [2022-03-15 19:21:53,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 19:21:53,371 INFO L93 Difference]: Finished difference Result 136 states and 416 transitions. [2022-03-15 19:21:53,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-15 19:21:53,371 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 4 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2022-03-15 19:21:53,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 19:21:53,372 INFO L225 Difference]: With dead ends: 136 [2022-03-15 19:21:53,373 INFO L226 Difference]: Without dead ends: 136 [2022-03-15 19:21:53,373 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 121 SyntacticMatches, 6 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-03-15 19:21:53,373 INFO L933 BasicCegarLoop]: 5 mSDtfsCounter, 37 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 7 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-15 19:21:53,374 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [37 Valid, 7 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-15 19:21:53,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2022-03-15 19:21:53,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 136. [2022-03-15 19:21:53,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 135 states have (on average 3.0814814814814815) internal successors, (416), 135 states have internal predecessors, (416), 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) [2022-03-15 19:21:53,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 416 transitions. [2022-03-15 19:21:53,380 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 416 transitions. Word has length 23 [2022-03-15 19:21:53,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 19:21:53,380 INFO L470 AbstractCegarLoop]: Abstraction has 136 states and 416 transitions. [2022-03-15 19:21:53,381 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 4 states have internal predecessors, (41), 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) [2022-03-15 19:21:53,381 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 416 transitions. [2022-03-15 19:21:53,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-03-15 19:21:53,382 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 19:21:53,382 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 19:21:53,420 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-03-15 19:21:53,603 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 19:21:53,604 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-15 19:21:53,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 19:21:53,606 INFO L85 PathProgramCache]: Analyzing trace with hash 157997808, now seen corresponding path program 1 times [2022-03-15 19:21:53,607 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 19:21:53,607 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [65475610] [2022-03-15 19:21:53,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 19:21:53,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 19:21:53,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 19:21:53,679 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-03-15 19:21:53,679 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 19:21:53,679 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [65475610] [2022-03-15 19:21:53,679 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [65475610] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 19:21:53,679 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [36881409] [2022-03-15 19:21:53,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 19:21:53,680 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 19:21:53,680 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 19:21:53,696 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-15 19:21:53,703 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-03-15 19:21:53,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 19:21:53,795 INFO L263 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 8 conjunts are in the unsatisfiable core [2022-03-15 19:21:53,797 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 19:21:53,888 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-03-15 19:21:53,888 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-15 19:21:53,964 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-03-15 19:21:53,965 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [36881409] provided 1 perfect and 1 imperfect interpolant sequences [2022-03-15 19:21:53,965 INFO L191 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-03-15 19:21:53,965 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6, 6] total 12 [2022-03-15 19:21:53,965 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1526768998] [2022-03-15 19:21:53,965 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 19:21:53,969 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 19:21:53,985 INFO L252 McrAutomatonBuilder]: Finished intersection with 86 states and 178 transitions. [2022-03-15 19:21:53,985 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 19:21:54,656 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 6 new interpolants: [1451#(or (< 0 ~M~0) (< ~M~0 ~N~0)), 1446#(< |thread2Thread1of1ForFork0_~i~1#1| ~M~0), 1449#(or (< |thread3Thread1of1ForFork1_~i~2#1| ~N~0) (< 0 ~M~0)), 1448#(< 0 ~M~0), 1447#(or (< |thread2Thread1of1ForFork0_~i~1#1| ~M~0) (< |thread3Thread1of1ForFork1_~i~2#1| ~N~0)), 1450#(or (<= (+ ~M~0 1) ~N~0) (< |thread2Thread1of1ForFork0_~i~1#1| ~M~0))] [2022-03-15 19:21:54,656 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-15 19:21:54,656 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 19:21:54,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-15 19:21:54,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=271, Unknown=0, NotChecked=0, Total=342 [2022-03-15 19:21:54,657 INFO L87 Difference]: Start difference. First operand 136 states and 416 transitions. Second operand has 13 states, 13 states have (on average 5.846153846153846) internal successors, (76), 12 states have internal predecessors, (76), 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) [2022-03-15 19:21:54,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 19:21:54,852 INFO L93 Difference]: Finished difference Result 168 states and 522 transitions. [2022-03-15 19:21:54,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-15 19:21:54,852 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 5.846153846153846) internal successors, (76), 12 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2022-03-15 19:21:54,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 19:21:54,854 INFO L225 Difference]: With dead ends: 168 [2022-03-15 19:21:54,854 INFO L226 Difference]: Without dead ends: 168 [2022-03-15 19:21:54,855 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 90 SyntacticMatches, 6 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 129 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=113, Invalid=393, Unknown=0, NotChecked=0, Total=506 [2022-03-15 19:21:54,855 INFO L933 BasicCegarLoop]: 6 mSDtfsCounter, 72 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 217 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 229 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 217 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 19:21:54,856 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [72 Valid, 21 Invalid, 229 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 217 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 19:21:54,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2022-03-15 19:21:54,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 168. [2022-03-15 19:21:54,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 168 states, 167 states have (on average 3.125748502994012) internal successors, (522), 167 states have internal predecessors, (522), 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) [2022-03-15 19:21:54,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 522 transitions. [2022-03-15 19:21:54,864 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 522 transitions. Word has length 24 [2022-03-15 19:21:54,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 19:21:54,864 INFO L470 AbstractCegarLoop]: Abstraction has 168 states and 522 transitions. [2022-03-15 19:21:54,864 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.846153846153846) internal successors, (76), 12 states have internal predecessors, (76), 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) [2022-03-15 19:21:54,865 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 522 transitions. [2022-03-15 19:21:54,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-03-15 19:21:54,866 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 19:21:54,866 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 19:21:54,911 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-03-15 19:21:55,080 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2022-03-15 19:21:55,081 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-15 19:21:55,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 19:21:55,081 INFO L85 PathProgramCache]: Analyzing trace with hash -191461059, now seen corresponding path program 1 times [2022-03-15 19:21:55,083 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 19:21:55,083 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1050133520] [2022-03-15 19:21:55,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 19:21:55,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 19:21:55,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 19:21:55,673 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 19:21:55,674 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 19:21:55,674 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1050133520] [2022-03-15 19:21:55,674 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1050133520] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 19:21:55,674 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1102107630] [2022-03-15 19:21:55,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 19:21:55,675 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 19:21:55,675 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 19:21:55,686 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-15 19:21:55,687 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-03-15 19:21:55,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 19:21:55,772 INFO L263 TraceCheckSpWp]: Trace formula consists of 298 conjuncts, 76 conjunts are in the unsatisfiable core [2022-03-15 19:21:55,775 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 19:21:56,003 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-03-15 19:21:56,070 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-03-15 19:21:56,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 19:21:56,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 19:21:56,281 INFO L353 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-03-15 19:21:56,282 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 30 [2022-03-15 19:21:56,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 19:21:56,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 19:21:56,394 INFO L353 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-03-15 19:21:56,394 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 30 [2022-03-15 19:21:56,505 INFO L353 Elim1Store]: treesize reduction 28, result has 56.9 percent of original size [2022-03-15 19:21:56,506 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 36 treesize of output 52 [2022-03-15 19:21:56,660 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 19:21:56,660 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-15 19:21:56,871 WARN L838 $PredicateComparison]: unable to prove that (forall ((~M~0 Int)) (or (<= (+ 2 ~M~0) c_~N~0) (not (< ~M~0 c_~N~0)) (and (forall ((v_ArrVal_183 (Array Int Int))) (< (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_183)) (.cse1 (* ~M~0 4))) (+ (select (select .cse0 c_~A~0.base) (+ c_~A~0.offset .cse1)) c_~res2~0 (select (select .cse0 c_~B~0.base) (+ .cse1 c_~B~0.offset)))) (+ c_~res1~0 1))) (forall ((v_ArrVal_183 (Array Int Int))) (<= c_~res1~0 (let ((.cse2 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_183)) (.cse3 (* ~M~0 4))) (+ (select (select .cse2 c_~A~0.base) (+ c_~A~0.offset .cse3)) c_~res2~0 (select (select .cse2 c_~B~0.base) (+ .cse3 c_~B~0.offset))))))))) is different from false [2022-03-15 19:21:57,046 WARN L838 $PredicateComparison]: unable to prove that (forall ((~M~0 Int)) (or (<= (+ 2 ~M~0) c_~N~0) (not (< ~M~0 c_~N~0)) (and (forall ((v_ArrVal_182 (Array Int Int)) (v_ArrVal_183 (Array Int Int))) (<= c_~res1~0 (let ((.cse0 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_182) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_183)) (.cse1 (* ~M~0 4))) (+ (select (select .cse0 c_~B~0.base) (+ .cse1 c_~B~0.offset)) c_~res2~0 (select (select .cse0 c_~A~0.base) (+ c_~A~0.offset .cse1)))))) (forall ((v_ArrVal_182 (Array Int Int)) (v_ArrVal_183 (Array Int Int))) (< (let ((.cse2 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_182) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_183)) (.cse3 (* ~M~0 4))) (+ (select (select .cse2 c_~B~0.base) (+ .cse3 c_~B~0.offset)) c_~res2~0 (select (select .cse2 c_~A~0.base) (+ c_~A~0.offset .cse3)))) (+ c_~res1~0 1)))))) is different from false [2022-03-15 19:21:57,127 WARN L838 $PredicateComparison]: unable to prove that (forall ((~M~0 Int)) (or (<= (+ 2 ~M~0) c_~N~0) (not (< ~M~0 c_~N~0)) (and (forall ((v_ArrVal_182 (Array Int Int)) (v_ArrVal_183 (Array Int Int))) (<= (let ((.cse0 (* |c_thread1Thread1of1ForFork2_~i~0#1| 4))) (+ (select (select |c_#memory_int| c_~A~0.base) (+ c_~A~0.offset .cse0)) (select (select |c_#memory_int| c_~B~0.base) (+ c_~B~0.offset .cse0)) c_~res1~0)) (let ((.cse1 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_182) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_183)) (.cse2 (* ~M~0 4))) (+ (select (select .cse1 c_~B~0.base) (+ .cse2 c_~B~0.offset)) c_~res2~0 (select (select .cse1 c_~A~0.base) (+ c_~A~0.offset .cse2)))))) (forall ((v_ArrVal_182 (Array Int Int)) (v_ArrVal_183 (Array Int Int))) (< (let ((.cse3 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_182) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_183)) (.cse4 (* ~M~0 4))) (+ (select (select .cse3 c_~B~0.base) (+ .cse4 c_~B~0.offset)) c_~res2~0 (select (select .cse3 c_~A~0.base) (+ c_~A~0.offset .cse4)))) (let ((.cse5 (* |c_thread1Thread1of1ForFork2_~i~0#1| 4))) (+ (select (select |c_#memory_int| c_~A~0.base) (+ c_~A~0.offset .cse5)) (select (select |c_#memory_int| c_~B~0.base) (+ c_~B~0.offset .cse5)) c_~res1~0 1))))))) is different from false [2022-03-15 19:21:57,165 WARN L838 $PredicateComparison]: unable to prove that (forall ((~M~0 Int)) (or (<= (+ 2 ~M~0) c_~N~0) (not (< ~M~0 c_~N~0)) (and (forall ((v_ArrVal_182 (Array Int Int)) (v_ArrVal_183 (Array Int Int))) (<= (+ (select (select |c_#memory_int| c_~A~0.base) c_~A~0.offset) (select (select |c_#memory_int| c_~B~0.base) c_~B~0.offset) c_~res1~0) (let ((.cse0 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_182) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_183)) (.cse1 (* ~M~0 4))) (+ (select (select .cse0 c_~B~0.base) (+ .cse1 c_~B~0.offset)) c_~res2~0 (select (select .cse0 c_~A~0.base) (+ c_~A~0.offset .cse1)))))) (forall ((v_ArrVal_182 (Array Int Int)) (v_ArrVal_183 (Array Int Int))) (< (let ((.cse2 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_182) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_183)) (.cse3 (* ~M~0 4))) (+ (select (select .cse2 c_~B~0.base) (+ .cse3 c_~B~0.offset)) c_~res2~0 (select (select .cse2 c_~A~0.base) (+ c_~A~0.offset .cse3)))) (+ (select (select |c_#memory_int| c_~A~0.base) c_~A~0.offset) (select (select |c_#memory_int| c_~B~0.base) c_~B~0.offset) c_~res1~0 1)))))) is different from false [2022-03-15 19:21:57,240 WARN L838 $PredicateComparison]: unable to prove that (forall ((~M~0 Int)) (or (<= (+ 2 ~M~0) c_~N~0) (not (< ~M~0 c_~N~0)) (and (forall ((v_ArrVal_182 (Array Int Int)) (v_ArrVal_181 (Array Int Int)) (v_ArrVal_183 (Array Int Int))) (let ((.cse2 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_181))) (< (let ((.cse0 (store (store .cse2 |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_182) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_183)) (.cse1 (* ~M~0 4))) (+ c_~res2~0 (select (select .cse0 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|) (+ .cse1 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) (select (select .cse0 c_~A~0.base) (+ c_~A~0.offset .cse1)))) (+ (select (select .cse2 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|) c_~res1~0 (select (select .cse2 c_~A~0.base) c_~A~0.offset) 1)))) (forall ((v_ArrVal_182 (Array Int Int)) (v_ArrVal_181 (Array Int Int)) (v_ArrVal_183 (Array Int Int))) (let ((.cse3 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_181))) (<= (+ (select (select .cse3 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|) c_~res1~0 (select (select .cse3 c_~A~0.base) c_~A~0.offset)) (let ((.cse4 (store (store .cse3 |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_182) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_183)) (.cse5 (* ~M~0 4))) (+ c_~res2~0 (select (select .cse4 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|) (+ .cse5 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) (select (select .cse4 c_~A~0.base) (+ c_~A~0.offset .cse5)))))))))) is different from false [2022-03-15 19:21:57,254 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-15 19:21:57,254 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 212 treesize of output 129 [2022-03-15 19:21:57,361 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-15 19:21:57,362 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 58618 treesize of output 49540 [2022-03-15 19:21:57,740 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-15 19:21:57,741 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 49389 treesize of output 45878 [2022-03-15 19:21:57,943 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-15 19:21:57,944 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 45805 treesize of output 42750 [2022-03-15 19:21:58,145 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-15 19:21:58,146 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 42733 treesize of output 36606 [2022-03-15 19:21:58,352 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-15 19:21:58,353 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36589 treesize of output 33534 [2022-03-15 19:21:58,556 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-15 19:21:58,557 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33517 treesize of output 31998 [2022-03-15 19:21:58,795 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-15 19:21:58,796 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 31981 treesize of output 30262 [2022-03-15 19:21:58,968 WARN L325 FreeRefinementEngine]: Global settings require throwing the following exception [2022-03-15 19:21:58,986 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-03-15 19:21:59,183 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 19:21:59,184 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.ArithmeticException: BigInteger out of long range at java.base/java.math.BigInteger.longValueExact(BigInteger.java:4765) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.computeDerApplicabilityScore(QuantifierPusher.java:685) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.selectBestEliminatee(QuantifierPusher.java:668) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.doit(QuantifierPusher.java:604) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective2(QuantifierPusher.java:446) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:355) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:172) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:65) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:61) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:261) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:247) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.eliminate(PartialQuantifierElimination.java:92) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:238) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:420) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:399) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:271) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:342) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:185) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:163) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:273) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:145) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:79) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:414) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:304) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:227) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:156) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-03-15 19:21:59,186 INFO L158 Benchmark]: Toolchain (without parser) took 13856.63ms. Allocated memory was 180.4MB in the beginning and 313.5MB in the end (delta: 133.2MB). Free memory was 125.6MB in the beginning and 146.3MB in the end (delta: -20.7MB). Peak memory consumption was 167.6MB. Max. memory is 8.0GB. [2022-03-15 19:21:59,186 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 180.4MB. Free memory is still 141.6MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-15 19:21:59,187 INFO L158 Benchmark]: CACSL2BoogieTranslator took 191.35ms. Allocated memory is still 180.4MB. Free memory was 125.5MB in the beginning and 150.9MB in the end (delta: -25.5MB). Peak memory consumption was 9.0MB. Max. memory is 8.0GB. [2022-03-15 19:21:59,187 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.78ms. Allocated memory is still 180.4MB. Free memory was 150.9MB in the beginning and 148.2MB in the end (delta: 2.7MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-03-15 19:21:59,187 INFO L158 Benchmark]: Boogie Preprocessor took 18.56ms. Allocated memory is still 180.4MB. Free memory was 148.2MB in the beginning and 146.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-03-15 19:21:59,187 INFO L158 Benchmark]: RCFGBuilder took 768.94ms. Allocated memory is still 180.4MB. Free memory was 146.1MB in the beginning and 97.3MB in the end (delta: 48.8MB). Peak memory consumption was 48.2MB. Max. memory is 8.0GB. [2022-03-15 19:21:59,187 INFO L158 Benchmark]: TraceAbstraction took 12844.90ms. Allocated memory was 180.4MB in the beginning and 313.5MB in the end (delta: 133.2MB). Free memory was 96.9MB in the beginning and 146.3MB in the end (delta: -49.5MB). Peak memory consumption was 138.7MB. Max. memory is 8.0GB. [2022-03-15 19:21:59,188 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 180.4MB. Free memory is still 141.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 191.35ms. Allocated memory is still 180.4MB. Free memory was 125.5MB in the beginning and 150.9MB in the end (delta: -25.5MB). Peak memory consumption was 9.0MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 26.78ms. Allocated memory is still 180.4MB. Free memory was 150.9MB in the beginning and 148.2MB in the end (delta: 2.7MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 18.56ms. Allocated memory is still 180.4MB. Free memory was 148.2MB in the beginning and 146.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 768.94ms. Allocated memory is still 180.4MB. Free memory was 146.1MB in the beginning and 97.3MB in the end (delta: 48.8MB). Peak memory consumption was 48.2MB. Max. memory is 8.0GB. * TraceAbstraction took 12844.90ms. Allocated memory was 180.4MB in the beginning and 313.5MB in the end (delta: 133.2MB). Free memory was 96.9MB in the beginning and 146.3MB in the end (delta: -49.5MB). Peak memory consumption was 138.7MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4.8s, 187 PlacesBefore, 35 PlacesAfterwards, 193 TransitionsBefore, 30 TransitionsAfterwards, 1320 CoEnabledTransitionPairs, 7 FixpointIterations, 123 TrivialSequentialCompositions, 27 ConcurrentSequentialCompositions, 23 TrivialYvCompositions, 6 ConcurrentYvCompositions, 11 ChoiceCompositions, 190 TotalNumberOfCompositions, 1492 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1381, positive: 1352, positive conditional: 0, positive unconditional: 1352, negative: 29, negative conditional: 0, negative unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 707, positive: 700, positive conditional: 0, positive unconditional: 700, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1381, positive: 652, positive conditional: 0, positive unconditional: 652, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 707, unknown conditional: 0, unknown unconditional: 707] , Statistics on independence cache: Total cache size (in pairs): 52, Positive cache size: 50, Positive conditional cache size: 0, Positive unconditional cache size: 50, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2 - ExceptionOrErrorResult: ArithmeticException: BigInteger out of long range de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: ArithmeticException: BigInteger out of long range: java.base/java.math.BigInteger.longValueExact(BigInteger.java:4765) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-03-15 19:21:59,218 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...