/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.check.unreachability.of.error.function.in.sv-comp.mode false --cacsl2boogietranslator.check.absence.of.signed.integer.overflows true -i ../../../trunk/examples/svcomp/pthread-wmm/mix025_power.oepc_power.opt_pso.oepc_rmo.oepc_tso.oepc_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-53ca081-m [2022-09-16 10:26:10,325 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-09-16 10:26:10,327 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-09-16 10:26:10,360 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-09-16 10:26:10,360 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-09-16 10:26:10,363 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-09-16 10:26:10,365 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-09-16 10:26:10,367 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-09-16 10:26:10,368 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-09-16 10:26:10,372 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-09-16 10:26:10,372 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-09-16 10:26:10,373 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-09-16 10:26:10,373 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-09-16 10:26:10,375 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-09-16 10:26:10,376 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-09-16 10:26:10,378 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-09-16 10:26:10,379 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-09-16 10:26:10,379 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-09-16 10:26:10,381 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-09-16 10:26:10,385 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-09-16 10:26:10,385 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-09-16 10:26:10,386 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-09-16 10:26:10,388 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-09-16 10:26:10,388 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-09-16 10:26:10,393 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-09-16 10:26:10,394 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-09-16 10:26:10,394 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-09-16 10:26:10,395 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-09-16 10:26:10,395 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-09-16 10:26:10,396 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-09-16 10:26:10,396 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-09-16 10:26:10,396 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-09-16 10:26:10,398 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-09-16 10:26:10,398 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-09-16 10:26:10,399 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-09-16 10:26:10,399 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-09-16 10:26:10,399 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-09-16 10:26:10,399 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-09-16 10:26:10,400 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-09-16 10:26:10,400 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-09-16 10:26:10,401 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-09-16 10:26:10,402 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf [2022-09-16 10:26:10,424 INFO L113 SettingsManager]: Loading preferences was successful [2022-09-16 10:26:10,424 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-09-16 10:26:10,424 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-09-16 10:26:10,425 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-09-16 10:26:10,425 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-09-16 10:26:10,425 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-09-16 10:26:10,426 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-09-16 10:26:10,426 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-09-16 10:26:10,426 INFO L138 SettingsManager]: * Use SBE=true [2022-09-16 10:26:10,426 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-09-16 10:26:10,426 INFO L138 SettingsManager]: * sizeof long=4 [2022-09-16 10:26:10,427 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-09-16 10:26:10,427 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-09-16 10:26:10,427 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-09-16 10:26:10,427 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-09-16 10:26:10,427 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-09-16 10:26:10,427 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-09-16 10:26:10,427 INFO L138 SettingsManager]: * sizeof long double=12 [2022-09-16 10:26:10,427 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-09-16 10:26:10,427 INFO L138 SettingsManager]: * Use constant arrays=true [2022-09-16 10:26:10,427 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-09-16 10:26:10,427 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-09-16 10:26:10,428 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-09-16 10:26:10,428 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-09-16 10:26:10,428 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-09-16 10:26:10,429 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-16 10:26:10,429 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-09-16 10:26:10,429 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-09-16 10:26:10,429 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-09-16 10:26:10,429 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-09-16 10:26:10,429 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-09-16 10:26:10,429 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-09-16 10:26:10,429 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-09-16 10:26:10,429 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2022-09-16 10:26:10,614 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-09-16 10:26:10,639 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-09-16 10:26:10,641 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-09-16 10:26:10,641 INFO L271 PluginConnector]: Initializing CDTParser... [2022-09-16 10:26:10,642 INFO L275 PluginConnector]: CDTParser initialized [2022-09-16 10:26:10,643 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix025_power.oepc_power.opt_pso.oepc_rmo.oepc_tso.oepc_tso.opt.i [2022-09-16 10:26:10,697 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f7ab80e81/86446689bb0740be91018ce7a611fe95/FLAG741b7af06 [2022-09-16 10:26:11,137 INFO L306 CDTParser]: Found 1 translation units. [2022-09-16 10:26:11,137 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix025_power.oepc_power.opt_pso.oepc_rmo.oepc_tso.oepc_tso.opt.i [2022-09-16 10:26:11,156 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f7ab80e81/86446689bb0740be91018ce7a611fe95/FLAG741b7af06 [2022-09-16 10:26:11,467 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f7ab80e81/86446689bb0740be91018ce7a611fe95 [2022-09-16 10:26:11,469 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-09-16 10:26:11,470 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-09-16 10:26:11,471 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-09-16 10:26:11,471 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-09-16 10:26:11,473 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-09-16 10:26:11,473 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 10:26:11" (1/1) ... [2022-09-16 10:26:11,474 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@567bf141 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:26:11, skipping insertion in model container [2022-09-16 10:26:11,474 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 10:26:11" (1/1) ... [2022-09-16 10:26:11,479 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-09-16 10:26:11,500 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-09-16 10:26:11,658 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix025_power.oepc_power.opt_pso.oepc_rmo.oepc_tso.oepc_tso.opt.i[996,1009] [2022-09-16 10:26:11,817 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-09-16 10:26:11,823 INFO L203 MainTranslator]: Completed pre-run [2022-09-16 10:26:11,834 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix025_power.oepc_power.opt_pso.oepc_rmo.oepc_tso.oepc_tso.opt.i[996,1009] [2022-09-16 10:26:11,865 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-09-16 10:26:11,890 INFO L208 MainTranslator]: Completed translation [2022-09-16 10:26:11,890 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:26:11 WrapperNode [2022-09-16 10:26:11,890 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-09-16 10:26:11,891 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-09-16 10:26:11,891 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-09-16 10:26:11,891 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-09-16 10:26:11,897 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:26:11" (1/1) ... [2022-09-16 10:26:11,915 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:26:11" (1/1) ... [2022-09-16 10:26:11,951 INFO L138 Inliner]: procedures = 176, calls = 56, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 179 [2022-09-16 10:26:11,951 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-09-16 10:26:11,952 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-09-16 10:26:11,952 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-09-16 10:26:11,952 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-09-16 10:26:11,958 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:26:11" (1/1) ... [2022-09-16 10:26:11,958 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:26:11" (1/1) ... [2022-09-16 10:26:11,974 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:26:11" (1/1) ... [2022-09-16 10:26:11,975 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:26:11" (1/1) ... [2022-09-16 10:26:11,980 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:26:11" (1/1) ... [2022-09-16 10:26:11,983 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:26:11" (1/1) ... [2022-09-16 10:26:11,985 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:26:11" (1/1) ... [2022-09-16 10:26:12,006 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-09-16 10:26:12,006 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-09-16 10:26:12,006 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-09-16 10:26:12,006 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-09-16 10:26:12,009 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:26:11" (1/1) ... [2022-09-16 10:26:12,014 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-16 10:26:12,023 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-16 10:26:12,044 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-09-16 10:26:12,057 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-09-16 10:26:12,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-09-16 10:26:12,088 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-09-16 10:26:12,088 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-09-16 10:26:12,089 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-09-16 10:26:12,089 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-09-16 10:26:12,089 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-09-16 10:26:12,089 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-09-16 10:26:12,091 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-09-16 10:26:12,092 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-09-16 10:26:12,092 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-09-16 10:26:12,092 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-09-16 10:26:12,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-09-16 10:26:12,093 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-09-16 10:26:12,093 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-09-16 10:26:12,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-09-16 10:26:12,094 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-09-16 10:26:12,263 INFO L234 CfgBuilder]: Building ICFG [2022-09-16 10:26:12,264 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-09-16 10:26:12,700 INFO L275 CfgBuilder]: Performing block encoding [2022-09-16 10:26:12,957 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-09-16 10:26:12,957 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-09-16 10:26:12,959 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 10:26:12 BoogieIcfgContainer [2022-09-16 10:26:12,959 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-09-16 10:26:12,961 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-09-16 10:26:12,961 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-09-16 10:26:12,963 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-09-16 10:26:12,963 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.09 10:26:11" (1/3) ... [2022-09-16 10:26:12,964 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@234336a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 10:26:12, skipping insertion in model container [2022-09-16 10:26:12,964 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:26:11" (2/3) ... [2022-09-16 10:26:12,965 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@234336a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 10:26:12, skipping insertion in model container [2022-09-16 10:26:12,965 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 10:26:12" (3/3) ... [2022-09-16 10:26:12,966 INFO L112 eAbstractionObserver]: Analyzing ICFG mix025_power.oepc_power.opt_pso.oepc_rmo.oepc_tso.oepc_tso.opt.i [2022-09-16 10:26:12,972 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-09-16 10:26:12,979 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-09-16 10:26:12,979 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2022-09-16 10:26:12,979 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-09-16 10:26:13,042 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-09-16 10:26:13,076 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 129 places, 121 transitions, 257 flow [2022-09-16 10:26:13,920 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 34077 states, 34051 states have (on average 3.7103756130510117) internal successors, (126342), 34076 states have internal predecessors, (126342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:26:13,933 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-09-16 10:26:13,938 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@71421fae, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-09-16 10:26:13,938 INFO L358 AbstractCegarLoop]: Starting to check reachability of 15 error locations. [2022-09-16 10:26:13,995 INFO L276 IsEmpty]: Start isEmpty. Operand has 34077 states, 34051 states have (on average 3.7103756130510117) internal successors, (126342), 34076 states have internal predecessors, (126342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:26:14,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-09-16 10:26:14,000 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:26:14,001 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:26:14,001 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-09-16 10:26:14,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:26:14,005 INFO L85 PathProgramCache]: Analyzing trace with hash 1629604705, now seen corresponding path program 1 times [2022-09-16 10:26:14,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:26:14,011 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1915651905] [2022-09-16 10:26:14,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:26:14,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:26:14,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:26:14,365 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:26:14,365 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:26:14,366 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1915651905] [2022-09-16 10:26:14,367 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1915651905] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:26:14,367 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:26:14,367 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-09-16 10:26:14,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1304295159] [2022-09-16 10:26:14,368 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:26:14,372 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-09-16 10:26:14,373 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:26:14,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-09-16 10:26:14,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-09-16 10:26:14,449 INFO L87 Difference]: Start difference. First operand has 34077 states, 34051 states have (on average 3.7103756130510117) internal successors, (126342), 34076 states have internal predecessors, (126342), 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 3 states, 2 states have (on average 24.5) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:26:14,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:26:14,879 INFO L93 Difference]: Finished difference Result 25562 states and 90894 transitions. [2022-09-16 10:26:14,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-16 10:26:14,882 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 24.5) internal successors, (49), 3 states have internal predecessors, (49), 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 49 [2022-09-16 10:26:14,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:26:15,230 INFO L225 Difference]: With dead ends: 25562 [2022-09-16 10:26:15,230 INFO L226 Difference]: Without dead ends: 25562 [2022-09-16 10:26:15,232 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-09-16 10:26:15,236 INFO L413 NwaCegarLoop]: 99 mSDtfsCounter, 52 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 160 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:26:15,236 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 160 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:26:15,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25562 states. [2022-09-16 10:26:16,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25562 to 25562. [2022-09-16 10:26:16,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25562 states, 25508 states have (on average 3.5633526736710053) internal successors, (90894), 25561 states have internal predecessors, (90894), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:26:16,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25562 states to 25562 states and 90894 transitions. [2022-09-16 10:26:16,509 INFO L78 Accepts]: Start accepts. Automaton has 25562 states and 90894 transitions. Word has length 49 [2022-09-16 10:26:16,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:26:16,510 INFO L495 AbstractCegarLoop]: Abstraction has 25562 states and 90894 transitions. [2022-09-16 10:26:16,510 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 24.5) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:26:16,510 INFO L276 IsEmpty]: Start isEmpty. Operand 25562 states and 90894 transitions. [2022-09-16 10:26:16,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-09-16 10:26:16,513 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:26:16,513 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:26:16,513 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-09-16 10:26:16,513 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-09-16 10:26:16,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:26:16,514 INFO L85 PathProgramCache]: Analyzing trace with hash -301810627, now seen corresponding path program 1 times [2022-09-16 10:26:16,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:26:16,514 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187671964] [2022-09-16 10:26:16,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:26:16,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:26:16,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:26:16,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:26:16,579 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:26:16,579 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1187671964] [2022-09-16 10:26:16,579 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1187671964] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:26:16,579 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:26:16,579 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-09-16 10:26:16,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1521391680] [2022-09-16 10:26:16,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:26:16,580 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-09-16 10:26:16,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:26:16,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-09-16 10:26:16,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-09-16 10:26:16,581 INFO L87 Difference]: Start difference. First operand 25562 states and 90894 transitions. Second operand has 4 states, 3 states have (on average 20.333333333333332) internal successors, (61), 4 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:26:17,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:26:17,026 INFO L93 Difference]: Finished difference Result 22640 states and 79238 transitions. [2022-09-16 10:26:17,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-09-16 10:26:17,026 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 20.333333333333332) internal successors, (61), 4 states have internal predecessors, (61), 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 61 [2022-09-16 10:26:17,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:26:17,153 INFO L225 Difference]: With dead ends: 22640 [2022-09-16 10:26:17,153 INFO L226 Difference]: Without dead ends: 22640 [2022-09-16 10:26:17,153 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-09-16 10:26:17,154 INFO L413 NwaCegarLoop]: 99 mSDtfsCounter, 188 mSDsluCounter, 123 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 188 SdHoareTripleChecker+Valid, 207 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:26:17,155 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [188 Valid, 207 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:26:17,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22640 states. [2022-09-16 10:26:17,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22640 to 21830. [2022-09-16 10:26:17,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21830 states, 21803 states have (on average 3.5488235563913224) internal successors, (77375), 21829 states have internal predecessors, (77375), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:26:17,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21830 states to 21830 states and 77375 transitions. [2022-09-16 10:26:17,917 INFO L78 Accepts]: Start accepts. Automaton has 21830 states and 77375 transitions. Word has length 61 [2022-09-16 10:26:17,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:26:17,918 INFO L495 AbstractCegarLoop]: Abstraction has 21830 states and 77375 transitions. [2022-09-16 10:26:17,918 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 20.333333333333332) internal successors, (61), 4 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:26:17,918 INFO L276 IsEmpty]: Start isEmpty. Operand 21830 states and 77375 transitions. [2022-09-16 10:26:17,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-09-16 10:26:17,921 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:26:17,921 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:26:17,921 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-09-16 10:26:17,921 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-09-16 10:26:17,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:26:17,922 INFO L85 PathProgramCache]: Analyzing trace with hash -301810626, now seen corresponding path program 1 times [2022-09-16 10:26:17,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:26:17,922 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1502317296] [2022-09-16 10:26:17,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:26:17,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:26:17,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:26:17,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:26:17,981 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:26:17,981 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1502317296] [2022-09-16 10:26:17,982 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1502317296] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:26:17,982 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:26:17,982 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-09-16 10:26:17,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1116018766] [2022-09-16 10:26:17,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:26:17,982 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-09-16 10:26:17,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:26:17,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-09-16 10:26:17,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-09-16 10:26:17,983 INFO L87 Difference]: Start difference. First operand 21830 states and 77375 transitions. Second operand has 4 states, 3 states have (on average 20.333333333333332) internal successors, (61), 4 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:26:18,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:26:18,336 INFO L93 Difference]: Finished difference Result 17828 states and 63145 transitions. [2022-09-16 10:26:18,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-09-16 10:26:18,337 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 20.333333333333332) internal successors, (61), 4 states have internal predecessors, (61), 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 61 [2022-09-16 10:26:18,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:26:18,407 INFO L225 Difference]: With dead ends: 17828 [2022-09-16 10:26:18,407 INFO L226 Difference]: Without dead ends: 17828 [2022-09-16 10:26:18,408 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-09-16 10:26:18,408 INFO L413 NwaCegarLoop]: 143 mSDtfsCounter, 106 mSDsluCounter, 167 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 293 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-09-16 10:26:18,409 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 293 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-09-16 10:26:18,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17828 states. [2022-09-16 10:26:18,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17828 to 17828. [2022-09-16 10:26:18,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17828 states, 17819 states have (on average 3.5436893203883497) internal successors, (63145), 17827 states have internal predecessors, (63145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:26:18,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17828 states to 17828 states and 63145 transitions. [2022-09-16 10:26:18,983 INFO L78 Accepts]: Start accepts. Automaton has 17828 states and 63145 transitions. Word has length 61 [2022-09-16 10:26:18,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:26:18,983 INFO L495 AbstractCegarLoop]: Abstraction has 17828 states and 63145 transitions. [2022-09-16 10:26:18,984 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 20.333333333333332) internal successors, (61), 4 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:26:18,984 INFO L276 IsEmpty]: Start isEmpty. Operand 17828 states and 63145 transitions. [2022-09-16 10:26:18,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-09-16 10:26:18,999 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:26:18,999 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:26:18,999 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-09-16 10:26:19,000 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-09-16 10:26:19,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:26:19,001 INFO L85 PathProgramCache]: Analyzing trace with hash -1044936152, now seen corresponding path program 1 times [2022-09-16 10:26:19,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:26:19,001 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [509136853] [2022-09-16 10:26:19,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:26:19,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:26:19,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:26:19,106 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:26:19,107 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:26:19,107 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [509136853] [2022-09-16 10:26:19,107 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [509136853] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:26:19,107 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:26:19,107 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-09-16 10:26:19,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2004723242] [2022-09-16 10:26:19,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:26:19,108 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-09-16 10:26:19,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:26:19,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-09-16 10:26:19,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-09-16 10:26:19,109 INFO L87 Difference]: Start difference. First operand 17828 states and 63145 transitions. Second operand has 5 states, 4 states have (on average 18.5) internal successors, (74), 5 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:26:19,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:26:19,405 INFO L93 Difference]: Finished difference Result 17018 states and 60472 transitions. [2022-09-16 10:26:19,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-09-16 10:26:19,406 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.5) internal successors, (74), 5 states have internal predecessors, (74), 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 74 [2022-09-16 10:26:19,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:26:19,406 INFO L225 Difference]: With dead ends: 17018 [2022-09-16 10:26:19,406 INFO L226 Difference]: Without dead ends: 0 [2022-09-16 10:26:19,406 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-09-16 10:26:19,407 INFO L413 NwaCegarLoop]: 96 mSDtfsCounter, 366 mSDsluCounter, 123 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 366 SdHoareTripleChecker+Valid, 204 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-09-16 10:26:19,407 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [366 Valid, 204 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-09-16 10:26:19,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-09-16 10:26:19,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-09-16 10:26:19,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:26:19,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-09-16 10:26:19,409 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 74 [2022-09-16 10:26:19,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:26:19,409 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-09-16 10:26:19,409 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.5) internal successors, (74), 5 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:26:19,409 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-09-16 10:26:19,409 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-09-16 10:26:19,411 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 15 remaining) [2022-09-16 10:26:19,411 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 15 remaining) [2022-09-16 10:26:19,412 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 15 remaining) [2022-09-16 10:26:19,412 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 15 remaining) [2022-09-16 10:26:19,412 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 15 remaining) [2022-09-16 10:26:19,412 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 15 remaining) [2022-09-16 10:26:19,412 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 15 remaining) [2022-09-16 10:26:19,412 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 15 remaining) [2022-09-16 10:26:19,412 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 15 remaining) [2022-09-16 10:26:19,412 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 15 remaining) [2022-09-16 10:26:19,412 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 15 remaining) [2022-09-16 10:26:19,413 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 15 remaining) [2022-09-16 10:26:19,413 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 15 remaining) [2022-09-16 10:26:19,413 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 15 remaining) [2022-09-16 10:26:19,413 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 15 remaining) [2022-09-16 10:26:19,413 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-09-16 10:26:19,415 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-09-16 10:26:19,418 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-09-16 10:26:19,418 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-09-16 10:26:19,420 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.09 10:26:19 BasicIcfg [2022-09-16 10:26:19,420 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-09-16 10:26:19,420 INFO L158 Benchmark]: Toolchain (without parser) took 7950.62ms. Allocated memory was 168.8MB in the beginning and 3.8GB in the end (delta: 3.6GB). Free memory was 140.3MB in the beginning and 3.2GB in the end (delta: -3.0GB). Peak memory consumption was 544.5MB. Max. memory is 8.0GB. [2022-09-16 10:26:19,421 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 168.8MB. Free memory is still 125.4MB. There was no memory consumed. Max. memory is 8.0GB. [2022-09-16 10:26:19,421 INFO L158 Benchmark]: CACSL2BoogieTranslator took 420.03ms. Allocated memory was 168.8MB in the beginning and 237.0MB in the end (delta: 68.2MB). Free memory was 140.3MB in the beginning and 192.3MB in the end (delta: -52.0MB). Peak memory consumption was 20.7MB. Max. memory is 8.0GB. [2022-09-16 10:26:19,421 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.19ms. Allocated memory is still 237.0MB. Free memory was 192.3MB in the beginning and 189.7MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-09-16 10:26:19,421 INFO L158 Benchmark]: Boogie Preprocessor took 53.60ms. Allocated memory is still 237.0MB. Free memory was 189.7MB in the beginning and 187.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-09-16 10:26:19,421 INFO L158 Benchmark]: RCFGBuilder took 952.59ms. Allocated memory is still 237.0MB. Free memory was 187.6MB in the beginning and 172.3MB in the end (delta: 15.3MB). Peak memory consumption was 75.6MB. Max. memory is 8.0GB. [2022-09-16 10:26:19,422 INFO L158 Benchmark]: TraceAbstraction took 6459.24ms. Allocated memory was 237.0MB in the beginning and 3.8GB in the end (delta: 3.5GB). Free memory was 171.8MB in the beginning and 3.2GB in the end (delta: -3.0GB). Peak memory consumption was 508.1MB. Max. memory is 8.0GB. [2022-09-16 10:26:19,423 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 168.8MB. Free memory is still 125.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 420.03ms. Allocated memory was 168.8MB in the beginning and 237.0MB in the end (delta: 68.2MB). Free memory was 140.3MB in the beginning and 192.3MB in the end (delta: -52.0MB). Peak memory consumption was 20.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 60.19ms. Allocated memory is still 237.0MB. Free memory was 192.3MB in the beginning and 189.7MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 53.60ms. Allocated memory is still 237.0MB. Free memory was 189.7MB in the beginning and 187.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 952.59ms. Allocated memory is still 237.0MB. Free memory was 187.6MB in the beginning and 172.3MB in the end (delta: 15.3MB). Peak memory consumption was 75.6MB. Max. memory is 8.0GB. * TraceAbstraction took 6459.24ms. Allocated memory was 237.0MB in the beginning and 3.8GB in the end (delta: 3.5GB). Free memory was 171.8MB in the beginning and 3.2GB in the end (delta: -3.0GB). Peak memory consumption was 508.1MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 767]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 767]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 787]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 787]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 823]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 823]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 154 locations, 15 error locations. Started 1 CEGAR loops. OverallTime: 6.3s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 2.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.9s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 712 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 712 mSDsluCounter, 864 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 482 mSDsCounter, 30 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 172 IncrementalHoareTripleChecker+Invalid, 202 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 30 mSolverCounterUnsat, 437 mSDtfsCounter, 172 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=34077occurred in iteration=0, InterpolantAutomatonStates: 16, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.6s AutomataMinimizationTime, 4 MinimizatonAttempts, 810 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 245 NumberOfCodeBlocks, 245 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 241 ConstructedInterpolants, 0 QuantifiedInterpolants, 659 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-09-16 10:26:19,448 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...