/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/safe027_rmo.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-53ca081-m [2022-09-16 10:35:22,694 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-09-16 10:35:22,695 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-09-16 10:35:22,724 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-09-16 10:35:22,724 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-09-16 10:35:22,725 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-09-16 10:35:22,726 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-09-16 10:35:22,739 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-09-16 10:35:22,741 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-09-16 10:35:22,746 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-09-16 10:35:22,747 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-09-16 10:35:22,748 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-09-16 10:35:22,748 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-09-16 10:35:22,749 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-09-16 10:35:22,749 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-09-16 10:35:22,750 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-09-16 10:35:22,751 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-09-16 10:35:22,751 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-09-16 10:35:22,753 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-09-16 10:35:22,754 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-09-16 10:35:22,755 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-09-16 10:35:22,762 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-09-16 10:35:22,766 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-09-16 10:35:22,767 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-09-16 10:35:22,769 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-09-16 10:35:22,777 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-09-16 10:35:22,778 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-09-16 10:35:22,779 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-09-16 10:35:22,780 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 10:35:22,809 INFO L113 SettingsManager]: Loading preferences was successful [2022-09-16 10:35:22,809 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-09-16 10:35:22,809 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-09-16 10:35:22,809 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-09-16 10:35:22,810 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-09-16 10:35:22,810 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-09-16 10:35:22,811 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-09-16 10:35:22,811 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-09-16 10:35:22,811 INFO L138 SettingsManager]: * Use SBE=true [2022-09-16 10:35:22,811 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-09-16 10:35:22,812 INFO L138 SettingsManager]: * sizeof long=4 [2022-09-16 10:35:22,812 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-09-16 10:35:22,812 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-09-16 10:35:22,812 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-09-16 10:35:22,812 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-09-16 10:35:22,813 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-09-16 10:35:22,813 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-09-16 10:35:22,813 INFO L138 SettingsManager]: * sizeof long double=12 [2022-09-16 10:35:22,813 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-09-16 10:35:22,813 INFO L138 SettingsManager]: * Use constant arrays=true [2022-09-16 10:35:22,813 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-09-16 10:35:22,813 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-09-16 10:35:22,813 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-09-16 10:35:22,813 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-09-16 10:35:22,814 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-09-16 10:35:22,814 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-16 10:35:22,814 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-09-16 10:35:22,814 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-09-16 10:35:22,814 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-09-16 10:35:22,814 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-09-16 10:35:22,814 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-09-16 10:35:22,815 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-09-16 10:35:22,815 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-09-16 10:35:22,815 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2022-09-16 10:35:23,046 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-09-16 10:35:23,068 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-09-16 10:35:23,070 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-09-16 10:35:23,071 INFO L271 PluginConnector]: Initializing CDTParser... [2022-09-16 10:35:23,071 INFO L275 PluginConnector]: CDTParser initialized [2022-09-16 10:35:23,072 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe027_rmo.i [2022-09-16 10:35:23,121 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d3a543a94/3ee4efa992b24ba1af744059637d0b9a/FLAG09d77aec2 [2022-09-16 10:35:23,553 INFO L306 CDTParser]: Found 1 translation units. [2022-09-16 10:35:23,554 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe027_rmo.i [2022-09-16 10:35:23,568 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d3a543a94/3ee4efa992b24ba1af744059637d0b9a/FLAG09d77aec2 [2022-09-16 10:35:23,912 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d3a543a94/3ee4efa992b24ba1af744059637d0b9a [2022-09-16 10:35:23,914 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-09-16 10:35:23,915 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-09-16 10:35:23,916 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-09-16 10:35:23,916 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-09-16 10:35:23,920 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-09-16 10:35:23,921 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 10:35:23" (1/1) ... [2022-09-16 10:35:23,922 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b2c979 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:35:23, skipping insertion in model container [2022-09-16 10:35:23,922 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 10:35:23" (1/1) ... [2022-09-16 10:35:23,927 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-09-16 10:35:23,963 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-09-16 10:35:24,166 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/safe027_rmo.i[988,1001] [2022-09-16 10:35:24,391 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-09-16 10:35:24,401 INFO L203 MainTranslator]: Completed pre-run [2022-09-16 10:35:24,414 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/safe027_rmo.i[988,1001] [2022-09-16 10:35:24,477 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-09-16 10:35:24,519 INFO L208 MainTranslator]: Completed translation [2022-09-16 10:35:24,519 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:35:24 WrapperNode [2022-09-16 10:35:24,519 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-09-16 10:35:24,520 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-09-16 10:35:24,520 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-09-16 10:35:24,520 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-09-16 10:35:24,527 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:35:24" (1/1) ... [2022-09-16 10:35:24,558 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:35:24" (1/1) ... [2022-09-16 10:35:24,595 INFO L138 Inliner]: procedures = 177, calls = 82, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 168 [2022-09-16 10:35:24,595 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-09-16 10:35:24,596 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-09-16 10:35:24,596 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-09-16 10:35:24,596 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-09-16 10:35:24,603 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:35:24" (1/1) ... [2022-09-16 10:35:24,603 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:35:24" (1/1) ... [2022-09-16 10:35:24,617 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:35:24" (1/1) ... [2022-09-16 10:35:24,618 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:35:24" (1/1) ... [2022-09-16 10:35:24,626 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:35:24" (1/1) ... [2022-09-16 10:35:24,647 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:35:24" (1/1) ... [2022-09-16 10:35:24,649 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:35:24" (1/1) ... [2022-09-16 10:35:24,652 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-09-16 10:35:24,653 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-09-16 10:35:24,653 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-09-16 10:35:24,653 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-09-16 10:35:24,668 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:35:24" (1/1) ... [2022-09-16 10:35:24,676 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-16 10:35:24,687 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-16 10:35:24,700 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 10:35:24,727 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 10:35:24,739 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-09-16 10:35:24,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-09-16 10:35:24,739 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-09-16 10:35:24,740 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-09-16 10:35:24,740 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-09-16 10:35:24,740 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-09-16 10:35:24,740 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-09-16 10:35:24,740 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-09-16 10:35:24,740 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-09-16 10:35:24,740 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-09-16 10:35:24,740 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-09-16 10:35:24,741 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-09-16 10:35:24,741 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2022-09-16 10:35:24,741 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2022-09-16 10:35:24,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-09-16 10:35:24,741 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-09-16 10:35:24,741 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-09-16 10:35:24,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-09-16 10:35:24,743 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 10:35:24,947 INFO L234 CfgBuilder]: Building ICFG [2022-09-16 10:35:24,948 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-09-16 10:35:25,525 INFO L275 CfgBuilder]: Performing block encoding [2022-09-16 10:35:25,989 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-09-16 10:35:25,989 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-09-16 10:35:25,991 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 10:35:25 BoogieIcfgContainer [2022-09-16 10:35:25,991 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-09-16 10:35:25,993 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-09-16 10:35:25,993 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-09-16 10:35:25,996 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-09-16 10:35:25,996 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.09 10:35:23" (1/3) ... [2022-09-16 10:35:25,997 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c4b0ffe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 10:35:25, skipping insertion in model container [2022-09-16 10:35:25,997 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:35:24" (2/3) ... [2022-09-16 10:35:25,997 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c4b0ffe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 10:35:25, skipping insertion in model container [2022-09-16 10:35:25,997 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 10:35:25" (3/3) ... [2022-09-16 10:35:25,998 INFO L112 eAbstractionObserver]: Analyzing ICFG safe027_rmo.i [2022-09-16 10:35:26,006 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-09-16 10:35:26,014 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-09-16 10:35:26,014 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2022-09-16 10:35:26,014 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-09-16 10:35:26,100 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-09-16 10:35:26,142 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 168 places, 157 transitions, 334 flow [2022-09-16 10:35:31,786 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 194953 states, 194873 states have (on average 4.539392322179061) internal successors, (884605), 194952 states have internal predecessors, (884605), 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 10:35:31,813 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-09-16 10:35:31,819 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;@4315b3a3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-09-16 10:35:31,819 INFO L358 AbstractCegarLoop]: Starting to check reachability of 20 error locations. [2022-09-16 10:35:32,177 INFO L276 IsEmpty]: Start isEmpty. Operand has 194953 states, 194873 states have (on average 4.539392322179061) internal successors, (884605), 194952 states have internal predecessors, (884605), 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 10:35:32,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-09-16 10:35:32,186 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:35:32,186 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] [2022-09-16 10:35:32,188 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 10:35:32,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:35:32,194 INFO L85 PathProgramCache]: Analyzing trace with hash -591582920, now seen corresponding path program 1 times [2022-09-16 10:35:32,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:35:32,204 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [966498415] [2022-09-16 10:35:32,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:35:32,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:35:32,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:35:33,020 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 10:35:33,020 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:35:33,021 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [966498415] [2022-09-16 10:35:33,021 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [966498415] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:35:33,021 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:35:33,022 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-09-16 10:35:33,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1131498398] [2022-09-16 10:35:33,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:35:33,027 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-09-16 10:35:33,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:35:33,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-09-16 10:35:33,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-09-16 10:35:33,560 INFO L87 Difference]: Start difference. First operand has 194953 states, 194873 states have (on average 4.539392322179061) internal successors, (884605), 194952 states have internal predecessors, (884605), 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 35.5) internal successors, (71), 3 states have internal predecessors, (71), 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 10:35:36,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:35:36,514 INFO L93 Difference]: Finished difference Result 159722 states and 701727 transitions. [2022-09-16 10:35:36,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-16 10:35:36,527 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 35.5) internal successors, (71), 3 states have internal predecessors, (71), 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 71 [2022-09-16 10:35:36,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:35:38,524 INFO L225 Difference]: With dead ends: 159722 [2022-09-16 10:35:38,524 INFO L226 Difference]: Without dead ends: 159722 [2022-09-16 10:35:38,526 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 10:35:38,529 INFO L413 NwaCegarLoop]: 132 mSDtfsCounter, 60 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 202 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:35:38,530 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 202 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:35:39,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159722 states. [2022-09-16 10:35:45,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159722 to 159722. [2022-09-16 10:35:46,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159722 states, 159530 states have (on average 4.398714975239767) internal successors, (701727), 159721 states have internal predecessors, (701727), 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 10:35:48,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159722 states to 159722 states and 701727 transitions. [2022-09-16 10:35:48,272 INFO L78 Accepts]: Start accepts. Automaton has 159722 states and 701727 transitions. Word has length 71 [2022-09-16 10:35:48,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:35:48,273 INFO L495 AbstractCegarLoop]: Abstraction has 159722 states and 701727 transitions. [2022-09-16 10:35:48,275 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 35.5) internal successors, (71), 3 states have internal predecessors, (71), 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 10:35:48,275 INFO L276 IsEmpty]: Start isEmpty. Operand 159722 states and 701727 transitions. [2022-09-16 10:35:48,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-09-16 10:35:48,284 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:35:48,284 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:35:48,284 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-09-16 10:35:48,285 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2022-09-16 10:35:48,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:35:48,285 INFO L85 PathProgramCache]: Analyzing trace with hash 992551372, now seen corresponding path program 1 times [2022-09-16 10:35:48,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:35:48,286 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1191960957] [2022-09-16 10:35:48,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:35:48,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:35:48,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:35:48,431 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 10:35:48,431 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:35:48,432 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1191960957] [2022-09-16 10:35:48,432 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1191960957] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:35:48,432 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:35:48,433 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-09-16 10:35:48,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647498226] [2022-09-16 10:35:48,433 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:35:48,434 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-09-16 10:35:48,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:35:48,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-09-16 10:35:48,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-09-16 10:35:48,436 INFO L87 Difference]: Start difference. First operand 159722 states and 701727 transitions. Second operand has 4 states, 3 states have (on average 27.0) internal successors, (81), 4 states have internal predecessors, (81), 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 10:35:50,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:35:50,595 INFO L93 Difference]: Finished difference Result 149042 states and 620819 transitions. [2022-09-16 10:35:50,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-09-16 10:35:50,597 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 27.0) internal successors, (81), 4 states have internal predecessors, (81), 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 81 [2022-09-16 10:35:50,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:35:52,316 INFO L225 Difference]: With dead ends: 149042 [2022-09-16 10:35:52,316 INFO L226 Difference]: Without dead ends: 149042 [2022-09-16 10:35:52,317 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 10:35:52,318 INFO L413 NwaCegarLoop]: 132 mSDtfsCounter, 188 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 188 SdHoareTripleChecker+Valid, 266 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:35:52,318 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [188 Valid, 266 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:35:52,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149042 states. [2022-09-16 10:35:57,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149042 to 140402. [2022-09-16 10:35:58,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140402 states, 140294 states have (on average 4.2669322993142975) internal successors, (598625), 140401 states have internal predecessors, (598625), 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 10:35:59,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140402 states to 140402 states and 598625 transitions. [2022-09-16 10:35:59,393 INFO L78 Accepts]: Start accepts. Automaton has 140402 states and 598625 transitions. Word has length 81 [2022-09-16 10:35:59,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:35:59,394 INFO L495 AbstractCegarLoop]: Abstraction has 140402 states and 598625 transitions. [2022-09-16 10:35:59,395 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 27.0) internal successors, (81), 4 states have internal predecessors, (81), 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 10:35:59,395 INFO L276 IsEmpty]: Start isEmpty. Operand 140402 states and 598625 transitions. [2022-09-16 10:35:59,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-09-16 10:35:59,396 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:35:59,397 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:35:59,397 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-09-16 10:35:59,397 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2022-09-16 10:35:59,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:35:59,401 INFO L85 PathProgramCache]: Analyzing trace with hash 992551373, now seen corresponding path program 1 times [2022-09-16 10:35:59,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:35:59,401 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1037719493] [2022-09-16 10:35:59,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:35:59,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:35:59,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:35:59,506 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 10:35:59,507 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:35:59,507 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1037719493] [2022-09-16 10:35:59,507 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1037719493] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:35:59,508 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:35:59,508 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-09-16 10:35:59,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2077640166] [2022-09-16 10:35:59,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:35:59,509 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-09-16 10:35:59,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:35:59,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-09-16 10:35:59,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-09-16 10:35:59,511 INFO L87 Difference]: Start difference. First operand 140402 states and 598625 transitions. Second operand has 4 states, 3 states have (on average 27.0) internal successors, (81), 4 states have internal predecessors, (81), 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 10:36:00,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:36:00,966 INFO L93 Difference]: Finished difference Result 84065 states and 360928 transitions. [2022-09-16 10:36:00,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-09-16 10:36:00,975 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 27.0) internal successors, (81), 4 states have internal predecessors, (81), 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 81 [2022-09-16 10:36:00,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:36:01,677 INFO L225 Difference]: With dead ends: 84065 [2022-09-16 10:36:01,677 INFO L226 Difference]: Without dead ends: 84065 [2022-09-16 10:36:01,678 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 10:36:01,679 INFO L413 NwaCegarLoop]: 182 mSDtfsCounter, 126 mSDsluCounter, 206 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 371 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:36:01,679 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 371 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:36:01,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84065 states. [2022-09-16 10:36:04,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84065 to 84065. [2022-09-16 10:36:04,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84065 states, 84035 states have (on average 4.294972332956506) internal successors, (360928), 84064 states have internal predecessors, (360928), 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 10:36:05,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84065 states to 84065 states and 360928 transitions. [2022-09-16 10:36:05,854 INFO L78 Accepts]: Start accepts. Automaton has 84065 states and 360928 transitions. Word has length 81 [2022-09-16 10:36:05,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:36:05,854 INFO L495 AbstractCegarLoop]: Abstraction has 84065 states and 360928 transitions. [2022-09-16 10:36:05,854 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 27.0) internal successors, (81), 4 states have internal predecessors, (81), 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 10:36:05,855 INFO L276 IsEmpty]: Start isEmpty. Operand 84065 states and 360928 transitions. [2022-09-16 10:36:05,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-09-16 10:36:05,875 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:36:05,876 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:36:05,877 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-09-16 10:36:05,877 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 10:36:05,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:36:05,878 INFO L85 PathProgramCache]: Analyzing trace with hash 1478685289, now seen corresponding path program 1 times [2022-09-16 10:36:05,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:36:05,879 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1156638007] [2022-09-16 10:36:05,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:36:05,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:36:05,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:36:06,167 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 10:36:06,168 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:36:06,169 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1156638007] [2022-09-16 10:36:06,169 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1156638007] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:36:06,169 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:36:06,169 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-09-16 10:36:06,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1769114828] [2022-09-16 10:36:06,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:36:06,170 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-09-16 10:36:06,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:36:06,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-09-16 10:36:06,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-09-16 10:36:06,171 INFO L87 Difference]: Start difference. First operand 84065 states and 360928 transitions. Second operand has 5 states, 4 states have (on average 23.0) internal successors, (92), 5 states have internal predecessors, (92), 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 10:36:07,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:36:07,377 INFO L93 Difference]: Finished difference Result 69188 states and 297109 transitions. [2022-09-16 10:36:07,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-09-16 10:36:07,379 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 23.0) internal successors, (92), 5 states have internal predecessors, (92), 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 92 [2022-09-16 10:36:07,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:36:07,967 INFO L225 Difference]: With dead ends: 69188 [2022-09-16 10:36:07,967 INFO L226 Difference]: Without dead ends: 69188 [2022-09-16 10:36:07,968 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 10:36:07,969 INFO L413 NwaCegarLoop]: 132 mSDtfsCounter, 366 mSDsluCounter, 205 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 366 SdHoareTripleChecker+Valid, 316 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:36:07,969 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [366 Valid, 316 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:36:08,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69188 states. [2022-09-16 10:36:10,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69188 to 69188. [2022-09-16 10:36:11,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69188 states, 69176 states have (on average 4.294972244709148) internal successors, (297109), 69187 states have internal predecessors, (297109), 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 10:36:11,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69188 states to 69188 states and 297109 transitions. [2022-09-16 10:36:11,669 INFO L78 Accepts]: Start accepts. Automaton has 69188 states and 297109 transitions. Word has length 92 [2022-09-16 10:36:11,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:36:11,669 INFO L495 AbstractCegarLoop]: Abstraction has 69188 states and 297109 transitions. [2022-09-16 10:36:11,669 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 23.0) internal successors, (92), 5 states have internal predecessors, (92), 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 10:36:11,670 INFO L276 IsEmpty]: Start isEmpty. Operand 69188 states and 297109 transitions. [2022-09-16 10:36:11,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-09-16 10:36:11,721 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:36:11,721 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:36:11,722 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-09-16 10:36:11,722 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 10:36:11,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:36:11,722 INFO L85 PathProgramCache]: Analyzing trace with hash 366229054, now seen corresponding path program 1 times [2022-09-16 10:36:11,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:36:11,723 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [101986578] [2022-09-16 10:36:11,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:36:11,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:36:11,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:36:11,862 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 10:36:11,863 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:36:11,863 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [101986578] [2022-09-16 10:36:11,863 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [101986578] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:36:11,863 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:36:11,863 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-09-16 10:36:11,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1942086159] [2022-09-16 10:36:11,864 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:36:11,865 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-09-16 10:36:11,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:36:11,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-09-16 10:36:11,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-09-16 10:36:11,866 INFO L87 Difference]: Start difference. First operand 69188 states and 297109 transitions. Second operand has 6 states, 5 states have (on average 20.6) internal successors, (103), 6 states have internal predecessors, (103), 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 10:36:12,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:36:12,957 INFO L93 Difference]: Finished difference Result 65732 states and 283393 transitions. [2022-09-16 10:36:12,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-09-16 10:36:12,957 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 20.6) internal successors, (103), 6 states have internal predecessors, (103), 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 103 [2022-09-16 10:36:12,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:36:12,958 INFO L225 Difference]: With dead ends: 65732 [2022-09-16 10:36:12,958 INFO L226 Difference]: Without dead ends: 0 [2022-09-16 10:36:12,958 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 10:36:12,959 INFO L413 NwaCegarLoop]: 128 mSDtfsCounter, 592 mSDsluCounter, 205 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 592 SdHoareTripleChecker+Valid, 312 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:36:12,959 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [592 Valid, 312 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:36:12,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-09-16 10:36:12,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-09-16 10:36:12,960 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 10:36:12,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-09-16 10:36:12,960 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 103 [2022-09-16 10:36:12,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:36:12,961 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-09-16 10:36:12,961 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 20.6) internal successors, (103), 6 states have internal predecessors, (103), 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 10:36:12,961 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-09-16 10:36:12,961 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-09-16 10:36:12,963 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 20 remaining) [2022-09-16 10:36:12,964 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 20 remaining) [2022-09-16 10:36:12,964 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 20 remaining) [2022-09-16 10:36:12,964 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 20 remaining) [2022-09-16 10:36:12,964 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 20 remaining) [2022-09-16 10:36:12,964 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 20 remaining) [2022-09-16 10:36:12,964 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 20 remaining) [2022-09-16 10:36:12,965 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 20 remaining) [2022-09-16 10:36:12,965 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 20 remaining) [2022-09-16 10:36:12,965 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 20 remaining) [2022-09-16 10:36:12,965 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 20 remaining) [2022-09-16 10:36:12,965 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 20 remaining) [2022-09-16 10:36:12,965 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 20 remaining) [2022-09-16 10:36:12,965 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 20 remaining) [2022-09-16 10:36:12,966 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 20 remaining) [2022-09-16 10:36:12,966 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 20 remaining) [2022-09-16 10:36:12,966 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 20 remaining) [2022-09-16 10:36:12,966 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 20 remaining) [2022-09-16 10:36:12,966 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 20 remaining) [2022-09-16 10:36:12,966 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 20 remaining) [2022-09-16 10:36:12,966 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-09-16 10:36:12,969 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-09-16 10:36:12,973 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-09-16 10:36:12,973 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-09-16 10:36:12,975 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.09 10:36:12 BasicIcfg [2022-09-16 10:36:12,975 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-09-16 10:36:12,976 INFO L158 Benchmark]: Toolchain (without parser) took 49061.02ms. Allocated memory was 249.6MB in the beginning and 7.9GB in the end (delta: 7.6GB). Free memory was 220.6MB in the beginning and 4.8GB in the end (delta: -4.6GB). Peak memory consumption was 3.1GB. Max. memory is 8.0GB. [2022-09-16 10:36:12,976 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 191.9MB. Free memory is still 145.3MB. There was no memory consumed. Max. memory is 8.0GB. [2022-09-16 10:36:12,976 INFO L158 Benchmark]: CACSL2BoogieTranslator took 604.06ms. Allocated memory is still 249.6MB. Free memory was 220.6MB in the beginning and 203.8MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2022-09-16 10:36:12,976 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.91ms. Allocated memory is still 249.6MB. Free memory was 203.8MB in the beginning and 201.2MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-09-16 10:36:12,977 INFO L158 Benchmark]: Boogie Preprocessor took 56.79ms. Allocated memory is still 249.6MB. Free memory was 201.2MB in the beginning and 198.6MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-09-16 10:36:12,977 INFO L158 Benchmark]: RCFGBuilder took 1338.25ms. Allocated memory is still 249.6MB. Free memory was 198.6MB in the beginning and 203.5MB in the end (delta: -4.8MB). Peak memory consumption was 77.5MB. Max. memory is 8.0GB. [2022-09-16 10:36:12,977 INFO L158 Benchmark]: TraceAbstraction took 46982.19ms. Allocated memory was 249.6MB in the beginning and 7.9GB in the end (delta: 7.6GB). Free memory was 202.9MB in the beginning and 4.8GB in the end (delta: -4.6GB). Peak memory consumption was 3.0GB. Max. memory is 8.0GB. [2022-09-16 10:36:12,979 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 191.9MB. Free memory is still 145.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 604.06ms. Allocated memory is still 249.6MB. Free memory was 220.6MB in the beginning and 203.8MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 74.91ms. Allocated memory is still 249.6MB. Free memory was 203.8MB in the beginning and 201.2MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 56.79ms. Allocated memory is still 249.6MB. Free memory was 201.2MB in the beginning and 198.6MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 1338.25ms. Allocated memory is still 249.6MB. Free memory was 198.6MB in the beginning and 203.5MB in the end (delta: -4.8MB). Peak memory consumption was 77.5MB. Max. memory is 8.0GB. * TraceAbstraction took 46982.19ms. Allocated memory was 249.6MB in the beginning and 7.9GB in the end (delta: 7.6GB). Free memory was 202.9MB in the beginning and 4.8GB in the end (delta: -4.6GB). Peak memory consumption was 3.0GB. 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: 791]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 791]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 803]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 803]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 831]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 831]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 848]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 848]: 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, 195 locations, 20 error locations. Started 1 CEGAR loops. OverallTime: 46.8s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.4s, AutomataDifference: 14.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 5.7s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1332 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1332 mSDsluCounter, 1467 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 843 mSDsCounter, 66 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 265 IncrementalHoareTripleChecker+Invalid, 331 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 66 mSolverCounterUnsat, 706 mSDtfsCounter, 265 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, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=194953occurred 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: 24.7s AutomataMinimizationTime, 5 MinimizatonAttempts, 8640 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 428 NumberOfCodeBlocks, 428 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 423 ConstructedInterpolants, 0 QuantifiedInterpolants, 1189 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 10:36:13,011 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...