/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/safe019_pso.oepc_pso.opt_tso.oepc_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-53ca081-m [2022-09-16 10:34:33,750 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-09-16 10:34:33,751 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-09-16 10:34:33,783 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-09-16 10:34:33,783 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-09-16 10:34:33,786 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-09-16 10:34:33,790 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-09-16 10:34:33,795 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-09-16 10:34:33,797 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-09-16 10:34:33,797 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-09-16 10:34:33,798 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-09-16 10:34:33,799 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-09-16 10:34:33,799 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-09-16 10:34:33,800 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-09-16 10:34:33,801 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-09-16 10:34:33,802 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-09-16 10:34:33,802 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-09-16 10:34:33,803 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-09-16 10:34:33,804 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-09-16 10:34:33,806 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-09-16 10:34:33,807 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-09-16 10:34:33,815 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-09-16 10:34:33,817 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-09-16 10:34:33,818 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-09-16 10:34:33,823 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-09-16 10:34:33,826 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-09-16 10:34:33,826 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-09-16 10:34:33,827 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-09-16 10:34:33,828 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-09-16 10:34:33,828 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-09-16 10:34:33,828 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-09-16 10:34:33,829 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-09-16 10:34:33,829 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-09-16 10:34:33,829 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-09-16 10:34:33,829 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-09-16 10:34:33,830 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-09-16 10:34:33,831 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 10:34:33,865 INFO L113 SettingsManager]: Loading preferences was successful [2022-09-16 10:34:33,866 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-09-16 10:34:33,866 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-09-16 10:34:33,866 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-09-16 10:34:33,867 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-09-16 10:34:33,867 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-09-16 10:34:33,867 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-09-16 10:34:33,868 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-09-16 10:34:33,868 INFO L138 SettingsManager]: * Use SBE=true [2022-09-16 10:34:33,868 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-09-16 10:34:33,869 INFO L138 SettingsManager]: * sizeof long=4 [2022-09-16 10:34:33,869 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-09-16 10:34:33,869 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-09-16 10:34:33,869 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-09-16 10:34:33,869 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-09-16 10:34:33,869 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-09-16 10:34:33,869 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-09-16 10:34:33,870 INFO L138 SettingsManager]: * sizeof long double=12 [2022-09-16 10:34:33,870 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-09-16 10:34:33,870 INFO L138 SettingsManager]: * Use constant arrays=true [2022-09-16 10:34:33,870 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-09-16 10:34:33,870 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-09-16 10:34:33,870 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-09-16 10:34:33,870 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-09-16 10:34:33,870 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-09-16 10:34:33,871 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-16 10:34:33,871 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-09-16 10:34:33,871 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-09-16 10:34:33,871 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-09-16 10:34:33,871 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-09-16 10:34:33,871 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-09-16 10:34:33,871 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-09-16 10:34:33,872 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-09-16 10:34:33,872 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2022-09-16 10:34:34,068 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-09-16 10:34:34,109 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-09-16 10:34:34,111 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-09-16 10:34:34,112 INFO L271 PluginConnector]: Initializing CDTParser... [2022-09-16 10:34:34,113 INFO L275 PluginConnector]: CDTParser initialized [2022-09-16 10:34:34,114 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe019_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2022-09-16 10:34:34,176 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b35b2395e/b7e8fe4651af4ffabf486fe84ea0881e/FLAGa681db7c2 [2022-09-16 10:34:34,645 INFO L306 CDTParser]: Found 1 translation units. [2022-09-16 10:34:34,646 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe019_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2022-09-16 10:34:34,657 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b35b2395e/b7e8fe4651af4ffabf486fe84ea0881e/FLAGa681db7c2 [2022-09-16 10:34:34,984 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b35b2395e/b7e8fe4651af4ffabf486fe84ea0881e [2022-09-16 10:34:34,987 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-09-16 10:34:34,988 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-09-16 10:34:34,996 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-09-16 10:34:34,997 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-09-16 10:34:35,000 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-09-16 10:34:35,001 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 10:34:34" (1/1) ... [2022-09-16 10:34:35,002 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31b7e698 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:34:35, skipping insertion in model container [2022-09-16 10:34:35,002 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 10:34:34" (1/1) ... [2022-09-16 10:34:35,008 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-09-16 10:34:35,037 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-09-16 10:34:35,192 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/safe019_pso.oepc_pso.opt_tso.oepc_tso.opt.i[975,988] [2022-09-16 10:34:35,352 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-09-16 10:34:35,358 INFO L203 MainTranslator]: Completed pre-run [2022-09-16 10:34:35,370 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/safe019_pso.oepc_pso.opt_tso.oepc_tso.opt.i[975,988] [2022-09-16 10:34:35,411 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-09-16 10:34:35,441 INFO L208 MainTranslator]: Completed translation [2022-09-16 10:34:35,441 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:34:35 WrapperNode [2022-09-16 10:34:35,441 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-09-16 10:34:35,442 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-09-16 10:34:35,443 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-09-16 10:34:35,443 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-09-16 10:34:35,448 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:34:35" (1/1) ... [2022-09-16 10:34:35,480 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:34:35" (1/1) ... [2022-09-16 10:34:35,502 INFO L138 Inliner]: procedures = 177, calls = 62, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 82 [2022-09-16 10:34:35,502 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-09-16 10:34:35,503 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-09-16 10:34:35,503 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-09-16 10:34:35,503 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-09-16 10:34:35,510 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:34:35" (1/1) ... [2022-09-16 10:34:35,510 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:34:35" (1/1) ... [2022-09-16 10:34:35,528 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:34:35" (1/1) ... [2022-09-16 10:34:35,528 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:34:35" (1/1) ... [2022-09-16 10:34:35,533 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:34:35" (1/1) ... [2022-09-16 10:34:35,534 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:34:35" (1/1) ... [2022-09-16 10:34:35,535 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:34:35" (1/1) ... [2022-09-16 10:34:35,537 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-09-16 10:34:35,538 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-09-16 10:34:35,538 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-09-16 10:34:35,538 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-09-16 10:34:35,552 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:34:35" (1/1) ... [2022-09-16 10:34:35,557 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-16 10:34:35,569 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-16 10:34:35,584 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 10:34:35,613 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 10:34:35,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-09-16 10:34:35,628 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-09-16 10:34:35,628 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-09-16 10:34:35,628 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-09-16 10:34:35,628 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-09-16 10:34:35,628 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-09-16 10:34:35,628 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-09-16 10:34:35,628 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-09-16 10:34:35,628 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-09-16 10:34:35,629 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-09-16 10:34:35,629 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-09-16 10:34:35,629 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2022-09-16 10:34:35,629 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2022-09-16 10:34:35,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-09-16 10:34:35,630 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-09-16 10:34:35,630 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-09-16 10:34:35,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-09-16 10:34:35,631 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 10:34:35,762 INFO L234 CfgBuilder]: Building ICFG [2022-09-16 10:34:35,764 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-09-16 10:34:35,948 INFO L275 CfgBuilder]: Performing block encoding [2022-09-16 10:34:35,977 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-09-16 10:34:35,978 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-09-16 10:34:35,980 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 10:34:35 BoogieIcfgContainer [2022-09-16 10:34:35,980 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-09-16 10:34:35,982 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-09-16 10:34:35,982 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-09-16 10:34:35,992 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-09-16 10:34:35,992 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.09 10:34:34" (1/3) ... [2022-09-16 10:34:35,992 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a24d999 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 10:34:35, skipping insertion in model container [2022-09-16 10:34:35,993 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:34:35" (2/3) ... [2022-09-16 10:34:35,993 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a24d999 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 10:34:35, skipping insertion in model container [2022-09-16 10:34:35,993 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 10:34:35" (3/3) ... [2022-09-16 10:34:35,994 INFO L112 eAbstractionObserver]: Analyzing ICFG safe019_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2022-09-16 10:34:36,001 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-09-16 10:34:36,008 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-09-16 10:34:36,008 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2022-09-16 10:34:36,008 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-09-16 10:34:36,055 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-09-16 10:34:36,081 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 124 places, 113 transitions, 246 flow [2022-09-16 10:34:41,381 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 168424 states, 168344 states have (on average 4.522602528156631) internal successors, (761353), 168423 states have internal predecessors, (761353), 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 10:34:41,401 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-09-16 10:34:41,407 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;@1cbbca6a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-09-16 10:34:41,408 INFO L358 AbstractCegarLoop]: Starting to check reachability of 20 error locations. [2022-09-16 10:34:41,729 INFO L276 IsEmpty]: Start isEmpty. Operand has 168424 states, 168344 states have (on average 4.522602528156631) internal successors, (761353), 168423 states have internal predecessors, (761353), 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 10:34:41,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-09-16 10:34:41,737 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:34:41,737 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] [2022-09-16 10:34:41,738 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2022-09-16 10:34:41,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:34:41,743 INFO L85 PathProgramCache]: Analyzing trace with hash 1097119196, now seen corresponding path program 1 times [2022-09-16 10:34:41,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:34:41,750 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [243729015] [2022-09-16 10:34:41,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:34:41,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:34:41,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:34:42,009 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 10:34:42,010 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:34:42,010 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [243729015] [2022-09-16 10:34:42,011 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [243729015] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:34:42,011 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:34:42,011 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-09-16 10:34:42,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1015183884] [2022-09-16 10:34:42,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:34:42,016 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-09-16 10:34:42,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:34:42,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-09-16 10:34:42,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-09-16 10:34:42,502 INFO L87 Difference]: Start difference. First operand has 168424 states, 168344 states have (on average 4.522602528156631) internal successors, (761353), 168423 states have internal predecessors, (761353), 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 14.5) internal successors, (29), 3 states have internal predecessors, (29), 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 10:34:45,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:34:45,363 INFO L93 Difference]: Finished difference Result 138821 states and 607554 transitions. [2022-09-16 10:34:45,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-16 10:34:45,365 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 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 29 [2022-09-16 10:34:45,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:34:47,178 INFO L225 Difference]: With dead ends: 138821 [2022-09-16 10:34:47,179 INFO L226 Difference]: Without dead ends: 138821 [2022-09-16 10:34:47,180 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 10:34:47,186 INFO L413 NwaCegarLoop]: 93 mSDtfsCounter, 58 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 166 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-09-16 10:34:47,200 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 166 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-09-16 10:34:47,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138821 states. [2022-09-16 10:34:53,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138821 to 138821. [2022-09-16 10:34:53,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138821 states, 138629 states have (on average 4.38258950147516) internal successors, (607554), 138820 states have internal predecessors, (607554), 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 10:34:55,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138821 states to 138821 states and 607554 transitions. [2022-09-16 10:34:55,436 INFO L78 Accepts]: Start accepts. Automaton has 138821 states and 607554 transitions. Word has length 29 [2022-09-16 10:34:55,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:34:55,437 INFO L495 AbstractCegarLoop]: Abstraction has 138821 states and 607554 transitions. [2022-09-16 10:34:55,438 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 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 10:34:55,438 INFO L276 IsEmpty]: Start isEmpty. Operand 138821 states and 607554 transitions. [2022-09-16 10:34:55,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-09-16 10:34:55,442 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:34:55,442 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] [2022-09-16 10:34:55,443 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-09-16 10:34:55,443 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2022-09-16 10:34:55,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:34:55,444 INFO L85 PathProgramCache]: Analyzing trace with hash 74199582, now seen corresponding path program 1 times [2022-09-16 10:34:55,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:34:55,444 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1514047752] [2022-09-16 10:34:55,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:34:55,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:34:55,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:34:55,547 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 10:34:55,548 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:34:55,548 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1514047752] [2022-09-16 10:34:55,548 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1514047752] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:34:55,548 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:34:55,548 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-09-16 10:34:55,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [11530331] [2022-09-16 10:34:55,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:34:55,550 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-09-16 10:34:55,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:34:55,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-09-16 10:34:55,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-09-16 10:34:55,551 INFO L87 Difference]: Start difference. First operand 138821 states and 607554 transitions. Second operand has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 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 10:34:57,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:34:57,206 INFO L93 Difference]: Finished difference Result 130505 states and 539718 transitions. [2022-09-16 10:34:57,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-09-16 10:34:57,208 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 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 39 [2022-09-16 10:34:57,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:34:58,898 INFO L225 Difference]: With dead ends: 130505 [2022-09-16 10:34:58,898 INFO L226 Difference]: Without dead ends: 130505 [2022-09-16 10:34:58,899 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 10:34:58,900 INFO L413 NwaCegarLoop]: 93 mSDtfsCounter, 199 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 199 SdHoareTripleChecker+Valid, 225 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:34:58,900 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [199 Valid, 225 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:34:59,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130505 states. [2022-09-16 10:35:04,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130505 to 122135. [2022-09-16 10:35:04,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122135 states, 122027 states have (on average 4.246814229637703) internal successors, (518226), 122134 states have internal predecessors, (518226), 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 10:35:05,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122135 states to 122135 states and 518226 transitions. [2022-09-16 10:35:05,881 INFO L78 Accepts]: Start accepts. Automaton has 122135 states and 518226 transitions. Word has length 39 [2022-09-16 10:35:05,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:35:05,882 INFO L495 AbstractCegarLoop]: Abstraction has 122135 states and 518226 transitions. [2022-09-16 10:35:05,882 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 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 10:35:05,883 INFO L276 IsEmpty]: Start isEmpty. Operand 122135 states and 518226 transitions. [2022-09-16 10:35:05,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-09-16 10:35:05,884 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:35:05,885 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] [2022-09-16 10:35:05,885 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-09-16 10:35:05,885 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2022-09-16 10:35:05,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:35:05,886 INFO L85 PathProgramCache]: Analyzing trace with hash 74199583, now seen corresponding path program 1 times [2022-09-16 10:35:05,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:35:05,886 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1996667878] [2022-09-16 10:35:05,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:35:05,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:35:05,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:35:05,948 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 10:35:05,948 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:35:05,948 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1996667878] [2022-09-16 10:35:05,948 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1996667878] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:35:05,948 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:35:05,949 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-09-16 10:35:05,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1792926465] [2022-09-16 10:35:05,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:35:05,949 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-09-16 10:35:05,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:35:05,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-09-16 10:35:05,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-09-16 10:35:05,950 INFO L87 Difference]: Start difference. First operand 122135 states and 518226 transitions. Second operand has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 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 10:35:07,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:35:07,056 INFO L93 Difference]: Finished difference Result 71528 states and 305052 transitions. [2022-09-16 10:35:07,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-09-16 10:35:07,057 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 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 39 [2022-09-16 10:35:07,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:35:07,501 INFO L225 Difference]: With dead ends: 71528 [2022-09-16 10:35:07,501 INFO L226 Difference]: Without dead ends: 71528 [2022-09-16 10:35:07,502 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 10:35:07,504 INFO L413 NwaCegarLoop]: 146 mSDtfsCounter, 122 mSDsluCounter, 160 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 299 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:35:07,504 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [122 Valid, 299 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:35:08,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71528 states. [2022-09-16 10:35:10,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71528 to 71528. [2022-09-16 10:35:10,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71528 states, 71498 states have (on average 4.266580883381353) internal successors, (305052), 71527 states have internal predecessors, (305052), 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 10:35:11,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71528 states to 71528 states and 305052 transitions. [2022-09-16 10:35:11,178 INFO L78 Accepts]: Start accepts. Automaton has 71528 states and 305052 transitions. Word has length 39 [2022-09-16 10:35:11,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:35:11,178 INFO L495 AbstractCegarLoop]: Abstraction has 71528 states and 305052 transitions. [2022-09-16 10:35:11,178 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 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 10:35:11,179 INFO L276 IsEmpty]: Start isEmpty. Operand 71528 states and 305052 transitions. [2022-09-16 10:35:11,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-09-16 10:35:11,193 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:35:11,193 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] [2022-09-16 10:35:11,193 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-09-16 10:35:11,193 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2022-09-16 10:35:11,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:35:11,194 INFO L85 PathProgramCache]: Analyzing trace with hash -1638198435, now seen corresponding path program 1 times [2022-09-16 10:35:11,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:35:11,194 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1009497693] [2022-09-16 10:35:11,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:35:11,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:35:11,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:35:11,317 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 10:35:11,317 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:35:11,317 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1009497693] [2022-09-16 10:35:11,317 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1009497693] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:35:11,317 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:35:11,317 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-09-16 10:35:11,318 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [991378345] [2022-09-16 10:35:11,318 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:35:11,318 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-09-16 10:35:11,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:35:11,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-09-16 10:35:11,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-09-16 10:35:11,319 INFO L87 Difference]: Start difference. First operand 71528 states and 305052 transitions. Second operand has 5 states, 4 states have (on average 12.5) internal successors, (50), 5 states have internal predecessors, (50), 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 10:35:12,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:35:12,256 INFO L93 Difference]: Finished difference Result 57947 states and 246822 transitions. [2022-09-16 10:35:12,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-09-16 10:35:12,257 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 12.5) internal successors, (50), 5 states have internal predecessors, (50), 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 50 [2022-09-16 10:35:12,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:35:12,615 INFO L225 Difference]: With dead ends: 57947 [2022-09-16 10:35:12,615 INFO L226 Difference]: Without dead ends: 57947 [2022-09-16 10:35:12,616 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 10:35:12,617 INFO L413 NwaCegarLoop]: 93 mSDtfsCounter, 247 mSDsluCounter, 199 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 247 SdHoareTripleChecker+Valid, 286 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-09-16 10:35:12,617 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [247 Valid, 286 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-09-16 10:35:12,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57947 states. [2022-09-16 10:35:14,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57947 to 57947. [2022-09-16 10:35:14,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57947 states, 57935 states have (on average 4.26032622766894) internal successors, (246822), 57946 states have internal predecessors, (246822), 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 10:35:15,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57947 states to 57947 states and 246822 transitions. [2022-09-16 10:35:15,250 INFO L78 Accepts]: Start accepts. Automaton has 57947 states and 246822 transitions. Word has length 50 [2022-09-16 10:35:15,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:35:15,252 INFO L495 AbstractCegarLoop]: Abstraction has 57947 states and 246822 transitions. [2022-09-16 10:35:15,253 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 12.5) internal successors, (50), 5 states have internal predecessors, (50), 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 10:35:15,253 INFO L276 IsEmpty]: Start isEmpty. Operand 57947 states and 246822 transitions. [2022-09-16 10:35:15,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-09-16 10:35:15,674 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:35:15,674 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:35:15,675 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-09-16 10:35:15,675 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2022-09-16 10:35:15,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:35:15,675 INFO L85 PathProgramCache]: Analyzing trace with hash -491638657, now seen corresponding path program 1 times [2022-09-16 10:35:15,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:35:15,676 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1312973645] [2022-09-16 10:35:15,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:35:15,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:35:15,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:35:15,845 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 10:35:15,845 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:35:15,845 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1312973645] [2022-09-16 10:35:15,846 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1312973645] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:35:15,846 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:35:15,846 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-09-16 10:35:15,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1227233683] [2022-09-16 10:35:15,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:35:15,846 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-09-16 10:35:15,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:35:15,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-09-16 10:35:15,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-09-16 10:35:15,847 INFO L87 Difference]: Start difference. First operand 57947 states and 246822 transitions. Second operand has 6 states, 5 states have (on average 12.0) internal successors, (60), 6 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:35:16,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:35:16,701 INFO L93 Difference]: Finished difference Result 54599 states and 233538 transitions. [2022-09-16 10:35:16,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-09-16 10:35:16,701 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.0) internal successors, (60), 6 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 60 [2022-09-16 10:35:16,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:35:16,709 INFO L225 Difference]: With dead ends: 54599 [2022-09-16 10:35:16,711 INFO L226 Difference]: Without dead ends: 0 [2022-09-16 10:35:16,712 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-09-16 10:35:16,718 INFO L413 NwaCegarLoop]: 89 mSDtfsCounter, 447 mSDsluCounter, 199 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 447 SdHoareTripleChecker+Valid, 282 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:35:16,720 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [447 Valid, 282 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:35:16,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-09-16 10:35:16,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-09-16 10:35:16,721 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 10:35:16,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-09-16 10:35:16,721 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 60 [2022-09-16 10:35:16,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:35:16,722 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-09-16 10:35:16,722 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.0) internal successors, (60), 6 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:35:16,722 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-09-16 10:35:16,722 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-09-16 10:35:16,724 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 20 remaining) [2022-09-16 10:35:16,725 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 20 remaining) [2022-09-16 10:35:16,725 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 20 remaining) [2022-09-16 10:35:16,725 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 20 remaining) [2022-09-16 10:35:16,725 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 20 remaining) [2022-09-16 10:35:16,725 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 20 remaining) [2022-09-16 10:35:16,725 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 20 remaining) [2022-09-16 10:35:16,726 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 20 remaining) [2022-09-16 10:35:16,726 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 20 remaining) [2022-09-16 10:35:16,726 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 20 remaining) [2022-09-16 10:35:16,726 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 20 remaining) [2022-09-16 10:35:16,726 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 20 remaining) [2022-09-16 10:35:16,726 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 20 remaining) [2022-09-16 10:35:16,726 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 20 remaining) [2022-09-16 10:35:16,726 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 20 remaining) [2022-09-16 10:35:16,727 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 20 remaining) [2022-09-16 10:35:16,727 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 20 remaining) [2022-09-16 10:35:16,727 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 20 remaining) [2022-09-16 10:35:16,727 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 20 remaining) [2022-09-16 10:35:16,727 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 20 remaining) [2022-09-16 10:35:16,727 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-09-16 10:35:16,730 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-09-16 10:35:16,742 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-09-16 10:35:16,743 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-09-16 10:35:16,762 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.09 10:35:16 BasicIcfg [2022-09-16 10:35:16,763 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-09-16 10:35:16,763 INFO L158 Benchmark]: Toolchain (without parser) took 41775.35ms. Allocated memory was 177.2MB in the beginning and 7.8GB in the end (delta: 7.6GB). Free memory was 120.7MB in the beginning and 3.7GB in the end (delta: -3.6GB). Peak memory consumption was 4.0GB. Max. memory is 8.0GB. [2022-09-16 10:35:16,763 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 177.2MB. Free memory is still 139.4MB. There was no memory consumed. Max. memory is 8.0GB. [2022-09-16 10:35:16,764 INFO L158 Benchmark]: CACSL2BoogieTranslator took 445.52ms. Allocated memory is still 177.2MB. Free memory was 120.5MB in the beginning and 142.4MB in the end (delta: -21.9MB). Peak memory consumption was 12.2MB. Max. memory is 8.0GB. [2022-09-16 10:35:16,764 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.84ms. Allocated memory is still 177.2MB. Free memory was 142.4MB in the beginning and 140.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-09-16 10:35:16,764 INFO L158 Benchmark]: Boogie Preprocessor took 34.46ms. Allocated memory is still 177.2MB. Free memory was 140.3MB in the beginning and 138.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-09-16 10:35:16,764 INFO L158 Benchmark]: RCFGBuilder took 441.97ms. Allocated memory is still 177.2MB. Free memory was 138.7MB in the beginning and 123.0MB in the end (delta: 15.7MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. [2022-09-16 10:35:16,765 INFO L158 Benchmark]: TraceAbstraction took 40780.73ms. Allocated memory was 177.2MB in the beginning and 7.8GB in the end (delta: 7.6GB). Free memory was 121.9MB in the beginning and 3.7GB in the end (delta: -3.6GB). Peak memory consumption was 4.0GB. Max. memory is 8.0GB. [2022-09-16 10:35:16,766 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 177.2MB. Free memory is still 139.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 445.52ms. Allocated memory is still 177.2MB. Free memory was 120.5MB in the beginning and 142.4MB in the end (delta: -21.9MB). Peak memory consumption was 12.2MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 59.84ms. Allocated memory is still 177.2MB. Free memory was 142.4MB in the beginning and 140.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 34.46ms. Allocated memory is still 177.2MB. Free memory was 140.3MB in the beginning and 138.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 441.97ms. Allocated memory is still 177.2MB. Free memory was 138.7MB in the beginning and 123.0MB in the end (delta: 15.7MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. * TraceAbstraction took 40780.73ms. Allocated memory was 177.2MB in the beginning and 7.8GB in the end (delta: 7.6GB). Free memory was 121.9MB in the beginning and 3.7GB in the end (delta: -3.6GB). Peak memory consumption was 4.0GB. 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: 734]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 734]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 746]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 746]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 761]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 761]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 773]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 773]: 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 9 procedures, 150 locations, 20 error locations. Started 1 CEGAR loops. OverallTime: 40.6s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.8s, AutomataDifference: 12.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 5.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1073 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1073 mSDsluCounter, 1258 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 771 mSDsCounter, 58 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 176 IncrementalHoareTripleChecker+Invalid, 234 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 58 mSolverCounterUnsat, 514 mSDtfsCounter, 176 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 17 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=168424occurred in iteration=0, InterpolantAutomatonStates: 22, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 21.5s AutomataMinimizationTime, 5 MinimizatonAttempts, 8370 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 217 NumberOfCodeBlocks, 217 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 212 ConstructedInterpolants, 0 QuantifiedInterpolants, 556 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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 8 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-09-16 10:35:16,811 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...