/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/mix016_pso.opt_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-53ca081-m [2022-09-16 10:23:02,828 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-09-16 10:23:02,830 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-09-16 10:23:02,875 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-09-16 10:23:02,894 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-09-16 10:23:02,896 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-09-16 10:23:02,897 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-09-16 10:23:02,900 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-09-16 10:23:02,901 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-09-16 10:23:02,901 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-09-16 10:23:02,903 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-09-16 10:23:02,909 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-09-16 10:23:02,910 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-09-16 10:23:02,911 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-09-16 10:23:02,912 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-09-16 10:23:02,913 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-09-16 10:23:02,920 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-09-16 10:23:02,922 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-09-16 10:23:02,923 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-09-16 10:23:02,925 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-09-16 10:23:02,925 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-09-16 10:23:02,926 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-09-16 10:23:02,926 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-09-16 10:23:02,927 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-09-16 10:23:02,927 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-09-16 10:23:02,927 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-09-16 10:23:02,928 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-09-16 10:23:02,928 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-09-16 10:23:02,929 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 10:23:02,960 INFO L113 SettingsManager]: Loading preferences was successful [2022-09-16 10:23:02,960 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-09-16 10:23:02,960 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-09-16 10:23:02,960 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-09-16 10:23:02,961 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-09-16 10:23:02,961 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-09-16 10:23:02,962 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-09-16 10:23:02,962 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-09-16 10:23:02,962 INFO L138 SettingsManager]: * Use SBE=true [2022-09-16 10:23:02,962 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-09-16 10:23:02,963 INFO L138 SettingsManager]: * sizeof long=4 [2022-09-16 10:23:02,963 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-09-16 10:23:02,963 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-09-16 10:23:02,963 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-09-16 10:23:02,964 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-09-16 10:23:02,964 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-09-16 10:23:02,964 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-09-16 10:23:02,964 INFO L138 SettingsManager]: * sizeof long double=12 [2022-09-16 10:23:02,964 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-09-16 10:23:02,964 INFO L138 SettingsManager]: * Use constant arrays=true [2022-09-16 10:23:02,964 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-09-16 10:23:02,964 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-09-16 10:23:02,964 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-09-16 10:23:02,965 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-09-16 10:23:02,965 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-09-16 10:23:02,965 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-16 10:23:02,965 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-09-16 10:23:02,965 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-09-16 10:23:02,965 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-09-16 10:23:02,965 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-09-16 10:23:02,965 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-09-16 10:23:02,966 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-09-16 10:23:02,966 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-09-16 10:23:02,966 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2022-09-16 10:23:03,195 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-09-16 10:23:03,210 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-09-16 10:23:03,212 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-09-16 10:23:03,213 INFO L271 PluginConnector]: Initializing CDTParser... [2022-09-16 10:23:03,213 INFO L275 PluginConnector]: CDTParser initialized [2022-09-16 10:23:03,214 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix016_pso.opt_tso.opt.i [2022-09-16 10:23:03,269 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c8ad9334/51b5610f0d1d42dd88dfc80538a3e0e8/FLAGe3e0ce5fe [2022-09-16 10:23:03,706 INFO L306 CDTParser]: Found 1 translation units. [2022-09-16 10:23:03,707 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix016_pso.opt_tso.opt.i [2022-09-16 10:23:03,724 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c8ad9334/51b5610f0d1d42dd88dfc80538a3e0e8/FLAGe3e0ce5fe [2022-09-16 10:23:04,047 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c8ad9334/51b5610f0d1d42dd88dfc80538a3e0e8 [2022-09-16 10:23:04,049 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-09-16 10:23:04,050 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-09-16 10:23:04,051 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-09-16 10:23:04,051 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-09-16 10:23:04,053 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-09-16 10:23:04,054 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 10:23:04" (1/1) ... [2022-09-16 10:23:04,054 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@579fdc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:23:04, skipping insertion in model container [2022-09-16 10:23:04,054 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 10:23:04" (1/1) ... [2022-09-16 10:23:04,061 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-09-16 10:23:04,099 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-09-16 10:23:04,244 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/mix016_pso.opt_tso.opt.i[956,969] [2022-09-16 10:23:04,479 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-09-16 10:23:04,491 INFO L203 MainTranslator]: Completed pre-run [2022-09-16 10:23:04,502 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/mix016_pso.opt_tso.opt.i[956,969] [2022-09-16 10:23:04,543 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-09-16 10:23:04,574 INFO L208 MainTranslator]: Completed translation [2022-09-16 10:23:04,575 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:23:04 WrapperNode [2022-09-16 10:23:04,575 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-09-16 10:23:04,576 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-09-16 10:23:04,576 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-09-16 10:23:04,576 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-09-16 10:23:04,582 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:23:04" (1/1) ... [2022-09-16 10:23:04,613 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:23:04" (1/1) ... [2022-09-16 10:23:04,653 INFO L138 Inliner]: procedures = 176, calls = 56, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 282 [2022-09-16 10:23:04,653 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-09-16 10:23:04,654 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-09-16 10:23:04,654 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-09-16 10:23:04,654 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-09-16 10:23:04,662 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:23:04" (1/1) ... [2022-09-16 10:23:04,663 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:23:04" (1/1) ... [2022-09-16 10:23:04,673 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:23:04" (1/1) ... [2022-09-16 10:23:04,674 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:23:04" (1/1) ... [2022-09-16 10:23:04,682 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:23:04" (1/1) ... [2022-09-16 10:23:04,685 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:23:04" (1/1) ... [2022-09-16 10:23:04,687 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:23:04" (1/1) ... [2022-09-16 10:23:04,690 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-09-16 10:23:04,691 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-09-16 10:23:04,691 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-09-16 10:23:04,691 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-09-16 10:23:04,692 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:23:04" (1/1) ... [2022-09-16 10:23:04,697 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-16 10:23:04,719 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-16 10:23:04,743 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 10:23:04,763 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 10:23:04,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-09-16 10:23:04,786 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-09-16 10:23:04,786 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-09-16 10:23:04,787 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-09-16 10:23:04,787 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-09-16 10:23:04,787 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-09-16 10:23:04,787 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-09-16 10:23:04,787 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-09-16 10:23:04,787 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-09-16 10:23:04,788 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-09-16 10:23:04,788 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-09-16 10:23:04,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-09-16 10:23:04,788 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-09-16 10:23:04,789 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-09-16 10:23:04,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-09-16 10:23:04,790 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 10:23:04,980 INFO L234 CfgBuilder]: Building ICFG [2022-09-16 10:23:04,981 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-09-16 10:23:05,620 INFO L275 CfgBuilder]: Performing block encoding [2022-09-16 10:23:06,030 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-09-16 10:23:06,031 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-09-16 10:23:06,033 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 10:23:06 BoogieIcfgContainer [2022-09-16 10:23:06,033 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-09-16 10:23:06,035 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-09-16 10:23:06,036 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-09-16 10:23:06,038 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-09-16 10:23:06,039 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.09 10:23:04" (1/3) ... [2022-09-16 10:23:06,039 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4993a4a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 10:23:06, skipping insertion in model container [2022-09-16 10:23:06,040 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:23:04" (2/3) ... [2022-09-16 10:23:06,040 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4993a4a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 10:23:06, skipping insertion in model container [2022-09-16 10:23:06,040 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 10:23:06" (3/3) ... [2022-09-16 10:23:06,041 INFO L112 eAbstractionObserver]: Analyzing ICFG mix016_pso.opt_tso.opt.i [2022-09-16 10:23:06,050 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-09-16 10:23:06,058 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-09-16 10:23:06,059 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2022-09-16 10:23:06,059 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-09-16 10:23:06,137 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-09-16 10:23:06,177 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 128 places, 120 transitions, 255 flow [2022-09-16 10:23:07,062 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 27459 states, 27433 states have (on average 3.684977946269092) internal successors, (101090), 27458 states have internal predecessors, (101090), 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 10:23:07,081 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-09-16 10:23:07,088 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;@6cef76c5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-09-16 10:23:07,089 INFO L358 AbstractCegarLoop]: Starting to check reachability of 15 error locations. [2022-09-16 10:23:07,238 INFO L276 IsEmpty]: Start isEmpty. Operand has 27459 states, 27433 states have (on average 3.684977946269092) internal successors, (101090), 27458 states have internal predecessors, (101090), 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 10:23:07,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-09-16 10:23:07,245 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:23:07,245 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 10:23:07,246 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 10:23:07,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:23:07,253 INFO L85 PathProgramCache]: Analyzing trace with hash 7670023, now seen corresponding path program 1 times [2022-09-16 10:23:07,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:23:07,263 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1912370894] [2022-09-16 10:23:07,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:23:07,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:23:07,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:23:07,554 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 10:23:07,555 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:23:07,555 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1912370894] [2022-09-16 10:23:07,556 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1912370894] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:23:07,556 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:23:07,556 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-09-16 10:23:07,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1366931058] [2022-09-16 10:23:07,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:23:07,562 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-09-16 10:23:07,563 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:23:07,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-09-16 10:23:07,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-09-16 10:23:07,645 INFO L87 Difference]: Start difference. First operand has 27459 states, 27433 states have (on average 3.684977946269092) internal successors, (101090), 27458 states have internal predecessors, (101090), 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 10:23:08,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:23:08,188 INFO L93 Difference]: Finished difference Result 20681 states and 72889 transitions. [2022-09-16 10:23:08,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-16 10:23:08,191 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 10:23:08,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:23:08,507 INFO L225 Difference]: With dead ends: 20681 [2022-09-16 10:23:08,508 INFO L226 Difference]: Without dead ends: 20681 [2022-09-16 10:23:08,509 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 10:23:08,514 INFO L413 NwaCegarLoop]: 99 mSDtfsCounter, 51 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 159 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:23:08,515 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 159 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:23:08,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20681 states. [2022-09-16 10:23:09,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20681 to 20681. [2022-09-16 10:23:09,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20681 states, 20627 states have (on average 3.5336694623551654) internal successors, (72889), 20680 states have internal predecessors, (72889), 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 10:23:09,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20681 states to 20681 states and 72889 transitions. [2022-09-16 10:23:09,639 INFO L78 Accepts]: Start accepts. Automaton has 20681 states and 72889 transitions. Word has length 49 [2022-09-16 10:23:09,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:23:09,655 INFO L495 AbstractCegarLoop]: Abstraction has 20681 states and 72889 transitions. [2022-09-16 10:23:09,656 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 10:23:09,656 INFO L276 IsEmpty]: Start isEmpty. Operand 20681 states and 72889 transitions. [2022-09-16 10:23:09,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-09-16 10:23:09,662 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:23:09,662 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 10:23:09,663 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-09-16 10:23:09,663 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-09-16 10:23:09,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:23:09,664 INFO L85 PathProgramCache]: Analyzing trace with hash 670258089, now seen corresponding path program 1 times [2022-09-16 10:23:09,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:23:09,664 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [328606119] [2022-09-16 10:23:09,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:23:09,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:23:09,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:23:09,801 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 10:23:09,801 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:23:09,801 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [328606119] [2022-09-16 10:23:09,801 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [328606119] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:23:09,802 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:23:09,802 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-09-16 10:23:09,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1168064734] [2022-09-16 10:23:09,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:23:09,803 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-09-16 10:23:09,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:23:09,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-09-16 10:23:09,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-09-16 10:23:09,804 INFO L87 Difference]: Start difference. First operand 20681 states and 72889 transitions. Second operand has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:23:10,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:23:10,177 INFO L93 Difference]: Finished difference Result 18119 states and 62541 transitions. [2022-09-16 10:23:10,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-09-16 10:23:10,178 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 60 [2022-09-16 10:23:10,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:23:10,262 INFO L225 Difference]: With dead ends: 18119 [2022-09-16 10:23:10,263 INFO L226 Difference]: Without dead ends: 18119 [2022-09-16 10:23:10,263 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 10:23:10,264 INFO L413 NwaCegarLoop]: 99 mSDtfsCounter, 150 mSDsluCounter, 127 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 213 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 10:23:10,266 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [150 Valid, 213 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:23:10,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18119 states. [2022-09-16 10:23:10,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18119 to 17309. [2022-09-16 10:23:10,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17309 states, 17282 states have (on average 3.511051961578521) internal successors, (60678), 17308 states have internal predecessors, (60678), 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 10:23:11,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17309 states to 17309 states and 60678 transitions. [2022-09-16 10:23:11,067 INFO L78 Accepts]: Start accepts. Automaton has 17309 states and 60678 transitions. Word has length 60 [2022-09-16 10:23:11,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:23:11,068 INFO L495 AbstractCegarLoop]: Abstraction has 17309 states and 60678 transitions. [2022-09-16 10:23:11,068 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:23:11,068 INFO L276 IsEmpty]: Start isEmpty. Operand 17309 states and 60678 transitions. [2022-09-16 10:23:11,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-09-16 10:23:11,070 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:23:11,070 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 10:23:11,071 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-09-16 10:23:11,075 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-09-16 10:23:11,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:23:11,083 INFO L85 PathProgramCache]: Analyzing trace with hash 670258090, now seen corresponding path program 1 times [2022-09-16 10:23:11,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:23:11,083 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [336254621] [2022-09-16 10:23:11,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:23:11,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:23:11,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:23:11,150 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 10:23:11,151 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:23:11,151 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [336254621] [2022-09-16 10:23:11,151 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [336254621] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:23:11,151 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:23:11,151 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-09-16 10:23:11,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1742027658] [2022-09-16 10:23:11,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:23:11,152 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-09-16 10:23:11,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:23:11,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-09-16 10:23:11,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-09-16 10:23:11,153 INFO L87 Difference]: Start difference. First operand 17309 states and 60678 transitions. Second operand has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:23:11,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:23:11,526 INFO L93 Difference]: Finished difference Result 13667 states and 47756 transitions. [2022-09-16 10:23:11,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-09-16 10:23:11,526 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 60 [2022-09-16 10:23:11,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:23:11,591 INFO L225 Difference]: With dead ends: 13667 [2022-09-16 10:23:11,592 INFO L226 Difference]: Without dead ends: 13667 [2022-09-16 10:23:11,592 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 10:23:11,597 INFO L413 NwaCegarLoop]: 142 mSDtfsCounter, 104 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 291 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:23:11,598 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 291 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:23:11,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13667 states. [2022-09-16 10:23:11,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13667 to 13667. [2022-09-16 10:23:12,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13667 states, 13658 states have (on average 3.4965587933811686) internal successors, (47756), 13666 states have internal predecessors, (47756), 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 10:23:12,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13667 states to 13667 states and 47756 transitions. [2022-09-16 10:23:12,056 INFO L78 Accepts]: Start accepts. Automaton has 13667 states and 47756 transitions. Word has length 60 [2022-09-16 10:23:12,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:23:12,057 INFO L495 AbstractCegarLoop]: Abstraction has 13667 states and 47756 transitions. [2022-09-16 10:23:12,057 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:23:12,057 INFO L276 IsEmpty]: Start isEmpty. Operand 13667 states and 47756 transitions. [2022-09-16 10:23:12,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-09-16 10:23:12,066 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:23:12,066 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] [2022-09-16 10:23:12,066 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-09-16 10:23:12,067 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-09-16 10:23:12,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:23:12,067 INFO L85 PathProgramCache]: Analyzing trace with hash 1254434756, now seen corresponding path program 1 times [2022-09-16 10:23:12,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:23:12,067 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [155176772] [2022-09-16 10:23:12,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:23:12,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:23:12,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:23:12,329 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 10:23:12,329 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:23:12,329 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [155176772] [2022-09-16 10:23:12,329 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [155176772] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:23:12,330 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:23:12,330 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-09-16 10:23:12,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1154249866] [2022-09-16 10:23:12,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:23:12,331 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-09-16 10:23:12,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:23:12,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-09-16 10:23:12,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-09-16 10:23:12,332 INFO L87 Difference]: Start difference. First operand 13667 states and 47756 transitions. Second operand has 5 states, 4 states have (on average 18.25) internal successors, (73), 5 states have internal predecessors, (73), 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 10:23:12,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:23:12,496 INFO L93 Difference]: Finished difference Result 12857 states and 45083 transitions. [2022-09-16 10:23:12,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-09-16 10:23:12,496 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.25) internal successors, (73), 5 states have internal predecessors, (73), 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 73 [2022-09-16 10:23:12,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:23:12,498 INFO L225 Difference]: With dead ends: 12857 [2022-09-16 10:23:12,498 INFO L226 Difference]: Without dead ends: 0 [2022-09-16 10:23:12,499 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 10:23:12,504 INFO L413 NwaCegarLoop]: 96 mSDtfsCounter, 245 mSDsluCounter, 127 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 245 SdHoareTripleChecker+Valid, 210 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:23:12,506 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [245 Valid, 210 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:23:12,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-09-16 10:23:12,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-09-16 10:23:12,507 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 10:23:12,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-09-16 10:23:12,507 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 73 [2022-09-16 10:23:12,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:23:12,507 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-09-16 10:23:12,507 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.25) internal successors, (73), 5 states have internal predecessors, (73), 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 10:23:12,508 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-09-16 10:23:12,508 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-09-16 10:23:12,510 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 15 remaining) [2022-09-16 10:23:12,510 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 15 remaining) [2022-09-16 10:23:12,510 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 15 remaining) [2022-09-16 10:23:12,511 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 15 remaining) [2022-09-16 10:23:12,511 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 15 remaining) [2022-09-16 10:23:12,511 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 15 remaining) [2022-09-16 10:23:12,511 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 15 remaining) [2022-09-16 10:23:12,512 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 15 remaining) [2022-09-16 10:23:12,512 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 15 remaining) [2022-09-16 10:23:12,512 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 15 remaining) [2022-09-16 10:23:12,512 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 15 remaining) [2022-09-16 10:23:12,512 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 15 remaining) [2022-09-16 10:23:12,512 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 15 remaining) [2022-09-16 10:23:12,513 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 15 remaining) [2022-09-16 10:23:12,513 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 15 remaining) [2022-09-16 10:23:12,513 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-09-16 10:23:12,518 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-09-16 10:23:12,522 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-09-16 10:23:12,522 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-09-16 10:23:12,526 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.09 10:23:12 BasicIcfg [2022-09-16 10:23:12,526 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-09-16 10:23:12,526 INFO L158 Benchmark]: Toolchain (without parser) took 8476.63ms. Allocated memory was 199.2MB in the beginning and 3.5GB in the end (delta: 3.3GB). Free memory was 164.8MB in the beginning and 3.0GB in the end (delta: -2.8GB). Peak memory consumption was 444.4MB. Max. memory is 8.0GB. [2022-09-16 10:23:12,527 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 199.2MB. Free memory is still 151.8MB. There was no memory consumed. Max. memory is 8.0GB. [2022-09-16 10:23:12,527 INFO L158 Benchmark]: CACSL2BoogieTranslator took 524.39ms. Allocated memory was 199.2MB in the beginning and 284.2MB in the end (delta: 84.9MB). Free memory was 164.8MB in the beginning and 237.3MB in the end (delta: -72.6MB). Peak memory consumption was 14.1MB. Max. memory is 8.0GB. [2022-09-16 10:23:12,527 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.87ms. Allocated memory is still 284.2MB. Free memory was 237.3MB in the beginning and 234.3MB in the end (delta: 3.0MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-09-16 10:23:12,527 INFO L158 Benchmark]: Boogie Preprocessor took 36.45ms. Allocated memory is still 284.2MB. Free memory was 234.3MB in the beginning and 231.9MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-09-16 10:23:12,528 INFO L158 Benchmark]: RCFGBuilder took 1342.11ms. Allocated memory is still 284.2MB. Free memory was 231.9MB in the beginning and 190.0MB in the end (delta: 41.9MB). Peak memory consumption was 70.2MB. Max. memory is 8.0GB. [2022-09-16 10:23:12,528 INFO L158 Benchmark]: TraceAbstraction took 6490.42ms. Allocated memory was 284.2MB in the beginning and 3.5GB in the end (delta: 3.2GB). Free memory was 189.5MB in the beginning and 3.0GB in the end (delta: -2.8GB). Peak memory consumption was 384.2MB. Max. memory is 8.0GB. [2022-09-16 10:23:12,530 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 199.2MB. Free memory is still 151.8MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 524.39ms. Allocated memory was 199.2MB in the beginning and 284.2MB in the end (delta: 84.9MB). Free memory was 164.8MB in the beginning and 237.3MB in the end (delta: -72.6MB). Peak memory consumption was 14.1MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 77.87ms. Allocated memory is still 284.2MB. Free memory was 237.3MB in the beginning and 234.3MB in the end (delta: 3.0MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 36.45ms. Allocated memory is still 284.2MB. Free memory was 234.3MB in the beginning and 231.9MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 1342.11ms. Allocated memory is still 284.2MB. Free memory was 231.9MB in the beginning and 190.0MB in the end (delta: 41.9MB). Peak memory consumption was 70.2MB. Max. memory is 8.0GB. * TraceAbstraction took 6490.42ms. Allocated memory was 284.2MB in the beginning and 3.5GB in the end (delta: 3.2GB). Free memory was 189.5MB in the beginning and 3.0GB in the end (delta: -2.8GB). Peak memory consumption was 384.2MB. 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: 755]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 755]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 783]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 783]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 828]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 828]: 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, 151 locations, 15 error locations. Started 1 CEGAR loops. OverallTime: 6.3s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.2s, AutomataDifference: 2.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.9s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 550 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 550 mSDsluCounter, 873 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 485 mSDsCounter, 28 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 163 IncrementalHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 28 mSolverCounterUnsat, 436 mSDtfsCounter, 163 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=27459occurred 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: 2.4s AutomataMinimizationTime, 4 MinimizatonAttempts, 810 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 242 NumberOfCodeBlocks, 242 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 238 ConstructedInterpolants, 0 QuantifiedInterpolants, 650 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 10:23:12,571 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...