/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/weaver/parallel-bluetooth.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-53ca081-m [2022-09-16 10:54:11,964 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-09-16 10:54:11,966 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-09-16 10:54:12,010 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-09-16 10:54:12,011 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-09-16 10:54:12,013 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-09-16 10:54:12,016 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-09-16 10:54:12,022 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-09-16 10:54:12,023 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-09-16 10:54:12,023 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-09-16 10:54:12,024 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-09-16 10:54:12,025 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-09-16 10:54:12,025 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-09-16 10:54:12,026 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-09-16 10:54:12,027 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-09-16 10:54:12,028 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-09-16 10:54:12,028 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-09-16 10:54:12,029 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-09-16 10:54:12,030 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-09-16 10:54:12,034 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-09-16 10:54:12,036 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-09-16 10:54:12,044 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-09-16 10:54:12,045 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-09-16 10:54:12,045 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-09-16 10:54:12,048 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-09-16 10:54:12,048 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-09-16 10:54:12,048 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-09-16 10:54:12,049 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-09-16 10:54:12,049 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-09-16 10:54:12,050 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-09-16 10:54:12,050 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-09-16 10:54:12,050 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-09-16 10:54:12,051 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-09-16 10:54:12,052 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-09-16 10:54:12,052 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-09-16 10:54:12,052 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-09-16 10:54:12,053 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-09-16 10:54:12,053 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-09-16 10:54:12,053 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-09-16 10:54:12,054 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-09-16 10:54:12,055 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-09-16 10:54:12,064 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 10:54:12,085 INFO L113 SettingsManager]: Loading preferences was successful [2022-09-16 10:54:12,085 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-09-16 10:54:12,086 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-09-16 10:54:12,086 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-09-16 10:54:12,086 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-09-16 10:54:12,087 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-09-16 10:54:12,087 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-09-16 10:54:12,087 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-09-16 10:54:12,087 INFO L138 SettingsManager]: * Use SBE=true [2022-09-16 10:54:12,088 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-09-16 10:54:12,088 INFO L138 SettingsManager]: * sizeof long=4 [2022-09-16 10:54:12,088 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-09-16 10:54:12,088 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-09-16 10:54:12,088 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-09-16 10:54:12,088 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-09-16 10:54:12,088 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-09-16 10:54:12,089 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-09-16 10:54:12,089 INFO L138 SettingsManager]: * sizeof long double=12 [2022-09-16 10:54:12,089 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-09-16 10:54:12,089 INFO L138 SettingsManager]: * Use constant arrays=true [2022-09-16 10:54:12,089 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-09-16 10:54:12,089 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-09-16 10:54:12,089 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-09-16 10:54:12,089 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-09-16 10:54:12,090 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-09-16 10:54:12,090 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-16 10:54:12,090 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-09-16 10:54:12,090 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-09-16 10:54:12,090 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-09-16 10:54:12,090 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-09-16 10:54:12,090 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-09-16 10:54:12,090 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-09-16 10:54:12,091 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-09-16 10:54:12,091 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2022-09-16 10:54:12,293 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-09-16 10:54:12,308 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-09-16 10:54:12,309 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-09-16 10:54:12,310 INFO L271 PluginConnector]: Initializing CDTParser... [2022-09-16 10:54:12,311 INFO L275 PluginConnector]: CDTParser initialized [2022-09-16 10:54:12,312 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/parallel-bluetooth.wvr.c [2022-09-16 10:54:12,361 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1fe6a0894/5a86ae0f5cd54a0785d85db6a66f39ab/FLAG413bae24b [2022-09-16 10:54:12,765 INFO L306 CDTParser]: Found 1 translation units. [2022-09-16 10:54:12,766 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-bluetooth.wvr.c [2022-09-16 10:54:12,771 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1fe6a0894/5a86ae0f5cd54a0785d85db6a66f39ab/FLAG413bae24b [2022-09-16 10:54:12,784 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1fe6a0894/5a86ae0f5cd54a0785d85db6a66f39ab [2022-09-16 10:54:12,786 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-09-16 10:54:12,787 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-09-16 10:54:12,788 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-09-16 10:54:12,789 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-09-16 10:54:12,791 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-09-16 10:54:12,792 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 10:54:12" (1/1) ... [2022-09-16 10:54:12,793 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@639e1616 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:54:12, skipping insertion in model container [2022-09-16 10:54:12,793 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 10:54:12" (1/1) ... [2022-09-16 10:54:12,798 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-09-16 10:54:12,816 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-09-16 10:54:12,984 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-bluetooth.wvr.c[3134,3147] [2022-09-16 10:54:12,985 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-09-16 10:54:12,991 INFO L203 MainTranslator]: Completed pre-run [2022-09-16 10:54:13,011 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-bluetooth.wvr.c[3134,3147] [2022-09-16 10:54:13,012 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-09-16 10:54:13,023 INFO L208 MainTranslator]: Completed translation [2022-09-16 10:54:13,023 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:54:13 WrapperNode [2022-09-16 10:54:13,024 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-09-16 10:54:13,024 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-09-16 10:54:13,025 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-09-16 10:54:13,025 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-09-16 10:54:13,030 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:54:13" (1/1) ... [2022-09-16 10:54:13,044 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:54:13" (1/1) ... [2022-09-16 10:54:13,062 INFO L138 Inliner]: procedures = 21, calls = 48, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 123 [2022-09-16 10:54:13,062 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-09-16 10:54:13,063 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-09-16 10:54:13,063 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-09-16 10:54:13,063 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-09-16 10:54:13,068 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:54:13" (1/1) ... [2022-09-16 10:54:13,068 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:54:13" (1/1) ... [2022-09-16 10:54:13,070 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:54:13" (1/1) ... [2022-09-16 10:54:13,070 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:54:13" (1/1) ... [2022-09-16 10:54:13,075 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:54:13" (1/1) ... [2022-09-16 10:54:13,077 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:54:13" (1/1) ... [2022-09-16 10:54:13,079 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:54:13" (1/1) ... [2022-09-16 10:54:13,081 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-09-16 10:54:13,081 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-09-16 10:54:13,081 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-09-16 10:54:13,082 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-09-16 10:54:13,082 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:54:13" (1/1) ... [2022-09-16 10:54:13,087 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-16 10:54:13,096 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-16 10:54:13,105 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 10:54:13,108 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 10:54:13,134 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-09-16 10:54:13,134 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-09-16 10:54:13,135 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-09-16 10:54:13,135 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-09-16 10:54:13,135 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-09-16 10:54:13,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-09-16 10:54:13,135 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-09-16 10:54:13,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-09-16 10:54:13,135 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-09-16 10:54:13,135 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-09-16 10:54:13,135 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-09-16 10:54:13,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-09-16 10:54:13,135 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-09-16 10:54:13,136 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-09-16 10:54:13,137 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 10:54:13,209 INFO L234 CfgBuilder]: Building ICFG [2022-09-16 10:54:13,210 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-09-16 10:54:13,448 INFO L275 CfgBuilder]: Performing block encoding [2022-09-16 10:54:13,549 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-09-16 10:54:13,549 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-09-16 10:54:13,560 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 10:54:13 BoogieIcfgContainer [2022-09-16 10:54:13,560 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-09-16 10:54:13,561 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-09-16 10:54:13,562 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-09-16 10:54:13,564 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-09-16 10:54:13,564 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.09 10:54:12" (1/3) ... [2022-09-16 10:54:13,565 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b92e665 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 10:54:13, skipping insertion in model container [2022-09-16 10:54:13,565 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:54:13" (2/3) ... [2022-09-16 10:54:13,566 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b92e665 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 10:54:13, skipping insertion in model container [2022-09-16 10:54:13,566 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 10:54:13" (3/3) ... [2022-09-16 10:54:13,567 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-bluetooth.wvr.c [2022-09-16 10:54:13,575 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-09-16 10:54:13,582 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-09-16 10:54:13,582 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2022-09-16 10:54:13,582 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-09-16 10:54:13,661 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-09-16 10:54:13,701 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 144 places, 146 transitions, 308 flow [2022-09-16 10:54:13,763 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 701 states, 677 states have (on average 2.4593796159527326) internal successors, (1665), 700 states have internal predecessors, (1665), 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 10:54:13,777 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-09-16 10:54:13,782 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;@2e107426, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-09-16 10:54:13,783 INFO L358 AbstractCegarLoop]: Starting to check reachability of 18 error locations. [2022-09-16 10:54:13,787 INFO L276 IsEmpty]: Start isEmpty. Operand has 701 states, 677 states have (on average 2.4593796159527326) internal successors, (1665), 700 states have internal predecessors, (1665), 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 10:54:13,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-09-16 10:54:13,794 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:54:13,795 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] [2022-09-16 10:54:13,795 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-09-16 10:54:13,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:54:13,799 INFO L85 PathProgramCache]: Analyzing trace with hash -1090828570, now seen corresponding path program 1 times [2022-09-16 10:54:13,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:54:13,806 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1805155834] [2022-09-16 10:54:13,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:54:13,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:54:13,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:54:14,189 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 10:54:14,190 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:54:14,190 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1805155834] [2022-09-16 10:54:14,191 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1805155834] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:54:14,192 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:54:14,192 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-09-16 10:54:14,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921072057] [2022-09-16 10:54:14,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:54:14,197 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-09-16 10:54:14,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:54:14,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-09-16 10:54:14,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-09-16 10:54:14,229 INFO L87 Difference]: Start difference. First operand has 701 states, 677 states have (on average 2.4593796159527326) internal successors, (1665), 700 states have internal predecessors, (1665), 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 5 states, 4 states have (on average 18.75) internal successors, (75), 5 states have internal predecessors, (75), 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 10:54:14,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:54:14,365 INFO L93 Difference]: Finished difference Result 649 states and 1525 transitions. [2022-09-16 10:54:14,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-09-16 10:54:14,367 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.75) internal successors, (75), 5 states have internal predecessors, (75), 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 75 [2022-09-16 10:54:14,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:54:14,381 INFO L225 Difference]: With dead ends: 649 [2022-09-16 10:54:14,381 INFO L226 Difference]: Without dead ends: 643 [2022-09-16 10:54:14,382 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-09-16 10:54:14,385 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 77 mSDsluCounter, 190 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 281 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:54:14,386 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 281 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:54:14,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 643 states. [2022-09-16 10:54:14,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 643 to 643. [2022-09-16 10:54:14,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 643 states, 623 states have (on average 2.438202247191011) internal successors, (1519), 642 states have internal predecessors, (1519), 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 10:54:14,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 643 states and 1519 transitions. [2022-09-16 10:54:14,449 INFO L78 Accepts]: Start accepts. Automaton has 643 states and 1519 transitions. Word has length 75 [2022-09-16 10:54:14,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:54:14,450 INFO L495 AbstractCegarLoop]: Abstraction has 643 states and 1519 transitions. [2022-09-16 10:54:14,450 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.75) internal successors, (75), 5 states have internal predecessors, (75), 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 10:54:14,450 INFO L276 IsEmpty]: Start isEmpty. Operand 643 states and 1519 transitions. [2022-09-16 10:54:14,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-09-16 10:54:14,452 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:54:14,452 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] [2022-09-16 10:54:14,452 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-09-16 10:54:14,453 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-09-16 10:54:14,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:54:14,453 INFO L85 PathProgramCache]: Analyzing trace with hash 544053161, now seen corresponding path program 1 times [2022-09-16 10:54:14,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:54:14,454 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1831801366] [2022-09-16 10:54:14,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:54:14,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:54:14,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:54:14,531 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 10:54:14,532 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:54:14,532 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1831801366] [2022-09-16 10:54:14,532 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1831801366] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:54:14,532 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:54:14,532 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-09-16 10:54:14,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [835402381] [2022-09-16 10:54:14,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:54:14,534 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-09-16 10:54:14,534 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:54:14,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-09-16 10:54:14,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-09-16 10:54:14,535 INFO L87 Difference]: Start difference. First operand 643 states and 1519 transitions. Second operand has 5 states, 4 states have (on average 19.0) internal successors, (76), 5 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:54:14,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:54:14,610 INFO L93 Difference]: Finished difference Result 495 states and 1121 transitions. [2022-09-16 10:54:14,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-09-16 10:54:14,611 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 19.0) internal successors, (76), 5 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 76 [2022-09-16 10:54:14,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:54:14,613 INFO L225 Difference]: With dead ends: 495 [2022-09-16 10:54:14,614 INFO L226 Difference]: Without dead ends: 495 [2022-09-16 10:54:14,614 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-09-16 10:54:14,615 INFO L413 NwaCegarLoop]: 93 mSDtfsCounter, 140 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 191 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-09-16 10:54:14,616 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 191 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-09-16 10:54:14,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 495 states. [2022-09-16 10:54:14,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 495 to 495. [2022-09-16 10:54:14,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 495 states, 486 states have (on average 2.3065843621399176) internal successors, (1121), 494 states have internal predecessors, (1121), 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 10:54:14,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 495 states and 1121 transitions. [2022-09-16 10:54:14,631 INFO L78 Accepts]: Start accepts. Automaton has 495 states and 1121 transitions. Word has length 76 [2022-09-16 10:54:14,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:54:14,632 INFO L495 AbstractCegarLoop]: Abstraction has 495 states and 1121 transitions. [2022-09-16 10:54:14,632 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 19.0) internal successors, (76), 5 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:54:14,632 INFO L276 IsEmpty]: Start isEmpty. Operand 495 states and 1121 transitions. [2022-09-16 10:54:14,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-09-16 10:54:14,634 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:54:14,634 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] [2022-09-16 10:54:14,634 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-09-16 10:54:14,634 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-09-16 10:54:14,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:54:14,635 INFO L85 PathProgramCache]: Analyzing trace with hash 544053162, now seen corresponding path program 1 times [2022-09-16 10:54:14,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:54:14,635 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187106395] [2022-09-16 10:54:14,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:54:14,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:54:14,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:54:14,741 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 10:54:14,741 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:54:14,742 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1187106395] [2022-09-16 10:54:14,742 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1187106395] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:54:14,742 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:54:14,742 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-09-16 10:54:14,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [976214846] [2022-09-16 10:54:14,742 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:54:14,743 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-09-16 10:54:14,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:54:14,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-09-16 10:54:14,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-09-16 10:54:14,744 INFO L87 Difference]: Start difference. First operand 495 states and 1121 transitions. Second operand has 6 states, 5 states have (on average 15.2) internal successors, (76), 6 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:54:14,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:54:14,823 INFO L93 Difference]: Finished difference Result 505 states and 1117 transitions. [2022-09-16 10:54:14,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-09-16 10:54:14,823 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.2) internal successors, (76), 6 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 76 [2022-09-16 10:54:14,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:54:14,826 INFO L225 Difference]: With dead ends: 505 [2022-09-16 10:54:14,826 INFO L226 Difference]: Without dead ends: 505 [2022-09-16 10:54:14,827 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-09-16 10:54:14,836 INFO L413 NwaCegarLoop]: 101 mSDtfsCounter, 148 mSDsluCounter, 202 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 292 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:54:14,837 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [148 Valid, 292 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:54:14,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 505 states. [2022-09-16 10:54:14,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 505 to 473. [2022-09-16 10:54:14,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 473 states, 465 states have (on average 2.281720430107527) internal successors, (1061), 472 states have internal predecessors, (1061), 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 10:54:14,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 473 states and 1061 transitions. [2022-09-16 10:54:14,854 INFO L78 Accepts]: Start accepts. Automaton has 473 states and 1061 transitions. Word has length 76 [2022-09-16 10:54:14,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:54:14,856 INFO L495 AbstractCegarLoop]: Abstraction has 473 states and 1061 transitions. [2022-09-16 10:54:14,856 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.2) internal successors, (76), 6 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:54:14,857 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 1061 transitions. [2022-09-16 10:54:14,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-09-16 10:54:14,862 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:54:14,862 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] [2022-09-16 10:54:14,862 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-09-16 10:54:14,863 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-09-16 10:54:14,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:54:14,864 INFO L85 PathProgramCache]: Analyzing trace with hash 780724664, now seen corresponding path program 1 times [2022-09-16 10:54:14,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:54:14,864 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [807619092] [2022-09-16 10:54:14,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:54:14,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:54:14,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:54:14,969 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 10:54:14,969 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:54:14,969 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [807619092] [2022-09-16 10:54:14,970 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [807619092] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:54:14,970 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:54:14,971 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-09-16 10:54:14,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [977244308] [2022-09-16 10:54:14,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:54:14,973 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-09-16 10:54:14,973 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:54:14,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-09-16 10:54:14,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-09-16 10:54:14,974 INFO L87 Difference]: Start difference. First operand 473 states and 1061 transitions. Second operand has 5 states, 4 states have (on average 20.75) internal successors, (83), 5 states have internal predecessors, (83), 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 10:54:15,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:54:15,035 INFO L93 Difference]: Finished difference Result 473 states and 1073 transitions. [2022-09-16 10:54:15,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-09-16 10:54:15,046 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 20.75) internal successors, (83), 5 states have internal predecessors, (83), 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 83 [2022-09-16 10:54:15,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:54:15,049 INFO L225 Difference]: With dead ends: 473 [2022-09-16 10:54:15,049 INFO L226 Difference]: Without dead ends: 473 [2022-09-16 10:54:15,050 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-09-16 10:54:15,051 INFO L413 NwaCegarLoop]: 102 mSDtfsCounter, 89 mSDsluCounter, 180 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 274 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-09-16 10:54:15,051 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 274 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-09-16 10:54:15,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 473 states. [2022-09-16 10:54:15,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 473 to 433. [2022-09-16 10:54:15,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 433 states, 427 states have (on average 2.2365339578454333) internal successors, (955), 432 states have internal predecessors, (955), 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 10:54:15,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 433 states and 955 transitions. [2022-09-16 10:54:15,062 INFO L78 Accepts]: Start accepts. Automaton has 433 states and 955 transitions. Word has length 83 [2022-09-16 10:54:15,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:54:15,064 INFO L495 AbstractCegarLoop]: Abstraction has 433 states and 955 transitions. [2022-09-16 10:54:15,064 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 20.75) internal successors, (83), 5 states have internal predecessors, (83), 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 10:54:15,064 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 955 transitions. [2022-09-16 10:54:15,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-09-16 10:54:15,065 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:54:15,065 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] [2022-09-16 10:54:15,065 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-09-16 10:54:15,065 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-09-16 10:54:15,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:54:15,066 INFO L85 PathProgramCache]: Analyzing trace with hash 780724665, now seen corresponding path program 1 times [2022-09-16 10:54:15,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:54:15,066 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [567489605] [2022-09-16 10:54:15,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:54:15,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:54:15,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:54:15,100 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 10:54:15,100 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:54:15,100 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [567489605] [2022-09-16 10:54:15,100 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [567489605] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:54:15,100 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:54:15,100 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-09-16 10:54:15,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2019185074] [2022-09-16 10:54:15,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:54:15,101 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-09-16 10:54:15,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:54:15,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-09-16 10:54:15,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-09-16 10:54:15,102 INFO L87 Difference]: Start difference. First operand 433 states and 955 transitions. Second operand has 3 states, 2 states have (on average 41.5) internal successors, (83), 3 states have internal predecessors, (83), 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 10:54:15,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:54:15,126 INFO L93 Difference]: Finished difference Result 393 states and 845 transitions. [2022-09-16 10:54:15,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-16 10:54:15,126 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 41.5) internal successors, (83), 3 states have internal predecessors, (83), 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 83 [2022-09-16 10:54:15,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:54:15,129 INFO L225 Difference]: With dead ends: 393 [2022-09-16 10:54:15,129 INFO L226 Difference]: Without dead ends: 393 [2022-09-16 10:54:15,129 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 10:54:15,130 INFO L413 NwaCegarLoop]: 104 mSDtfsCounter, 42 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 171 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-09-16 10:54:15,130 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 171 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-09-16 10:54:15,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 393 states. [2022-09-16 10:54:15,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 393 to 393. [2022-09-16 10:54:15,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 393 states, 389 states have (on average 2.172236503856041) internal successors, (845), 392 states have internal predecessors, (845), 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 10:54:15,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 393 states and 845 transitions. [2022-09-16 10:54:15,140 INFO L78 Accepts]: Start accepts. Automaton has 393 states and 845 transitions. Word has length 83 [2022-09-16 10:54:15,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:54:15,140 INFO L495 AbstractCegarLoop]: Abstraction has 393 states and 845 transitions. [2022-09-16 10:54:15,140 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 41.5) internal successors, (83), 3 states have internal predecessors, (83), 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 10:54:15,141 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 845 transitions. [2022-09-16 10:54:15,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-09-16 10:54:15,141 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:54:15,141 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] [2022-09-16 10:54:15,142 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-09-16 10:54:15,142 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thread2Err3ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-09-16 10:54:15,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:54:15,142 INFO L85 PathProgramCache]: Analyzing trace with hash 780724681, now seen corresponding path program 1 times [2022-09-16 10:54:15,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:54:15,143 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1795705929] [2022-09-16 10:54:15,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:54:15,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:54:15,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:54:15,214 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 10:54:15,214 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:54:15,214 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1795705929] [2022-09-16 10:54:15,215 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1795705929] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:54:15,215 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:54:15,215 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-09-16 10:54:15,215 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1962005439] [2022-09-16 10:54:15,215 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:54:15,215 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-09-16 10:54:15,215 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:54:15,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-09-16 10:54:15,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-09-16 10:54:15,217 INFO L87 Difference]: Start difference. First operand 393 states and 845 transitions. Second operand has 6 states, 5 states have (on average 16.6) internal successors, (83), 6 states have internal predecessors, (83), 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 10:54:15,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:54:15,274 INFO L93 Difference]: Finished difference Result 393 states and 845 transitions. [2022-09-16 10:54:15,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-09-16 10:54:15,275 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 16.6) internal successors, (83), 6 states have internal predecessors, (83), 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 83 [2022-09-16 10:54:15,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:54:15,277 INFO L225 Difference]: With dead ends: 393 [2022-09-16 10:54:15,277 INFO L226 Difference]: Without dead ends: 393 [2022-09-16 10:54:15,277 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-09-16 10:54:15,278 INFO L413 NwaCegarLoop]: 95 mSDtfsCounter, 145 mSDsluCounter, 176 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 262 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-09-16 10:54:15,279 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 262 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-09-16 10:54:15,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 393 states. [2022-09-16 10:54:15,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 393 to 393. [2022-09-16 10:54:15,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 393 states, 389 states have (on average 2.172236503856041) internal successors, (845), 392 states have internal predecessors, (845), 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 10:54:15,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 393 states and 845 transitions. [2022-09-16 10:54:15,288 INFO L78 Accepts]: Start accepts. Automaton has 393 states and 845 transitions. Word has length 83 [2022-09-16 10:54:15,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:54:15,288 INFO L495 AbstractCegarLoop]: Abstraction has 393 states and 845 transitions. [2022-09-16 10:54:15,289 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 16.6) internal successors, (83), 6 states have internal predecessors, (83), 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 10:54:15,289 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 845 transitions. [2022-09-16 10:54:15,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-09-16 10:54:15,289 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:54:15,290 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] [2022-09-16 10:54:15,290 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-09-16 10:54:15,290 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-09-16 10:54:15,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:54:15,290 INFO L85 PathProgramCache]: Analyzing trace with hash -176382056, now seen corresponding path program 1 times [2022-09-16 10:54:15,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:54:15,291 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [73126852] [2022-09-16 10:54:15,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:54:15,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:54:15,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:54:15,383 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 10:54:15,383 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:54:15,383 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [73126852] [2022-09-16 10:54:15,383 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [73126852] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:54:15,384 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:54:15,384 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-09-16 10:54:15,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143586679] [2022-09-16 10:54:15,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:54:15,385 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-09-16 10:54:15,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:54:15,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-09-16 10:54:15,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-09-16 10:54:15,385 INFO L87 Difference]: Start difference. First operand 393 states and 845 transitions. Second operand has 7 states, 6 states have (on average 14.0) internal successors, (84), 7 states have internal predecessors, (84), 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 10:54:15,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:54:15,454 INFO L93 Difference]: Finished difference Result 354 states and 740 transitions. [2022-09-16 10:54:15,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-09-16 10:54:15,454 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 14.0) internal successors, (84), 7 states have internal predecessors, (84), 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 84 [2022-09-16 10:54:15,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:54:15,457 INFO L225 Difference]: With dead ends: 354 [2022-09-16 10:54:15,457 INFO L226 Difference]: Without dead ends: 354 [2022-09-16 10:54:15,458 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2022-09-16 10:54:15,459 INFO L413 NwaCegarLoop]: 94 mSDtfsCounter, 176 mSDsluCounter, 199 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 176 SdHoareTripleChecker+Valid, 283 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-09-16 10:54:15,459 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [176 Valid, 283 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-09-16 10:54:15,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states. [2022-09-16 10:54:15,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 350. [2022-09-16 10:54:15,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 350 states, 348 states have (on average 2.0948275862068964) internal successors, (729), 349 states have internal predecessors, (729), 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 10:54:15,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 350 states and 729 transitions. [2022-09-16 10:54:15,468 INFO L78 Accepts]: Start accepts. Automaton has 350 states and 729 transitions. Word has length 84 [2022-09-16 10:54:15,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:54:15,468 INFO L495 AbstractCegarLoop]: Abstraction has 350 states and 729 transitions. [2022-09-16 10:54:15,469 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 14.0) internal successors, (84), 7 states have internal predecessors, (84), 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 10:54:15,469 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 729 transitions. [2022-09-16 10:54:15,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-09-16 10:54:15,470 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:54:15,470 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] [2022-09-16 10:54:15,470 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-09-16 10:54:15,471 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thread2Err3ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-09-16 10:54:15,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:54:15,471 INFO L85 PathProgramCache]: Analyzing trace with hash -1172875994, now seen corresponding path program 1 times [2022-09-16 10:54:15,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:54:15,472 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [969298350] [2022-09-16 10:54:15,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:54:15,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:54:15,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:54:15,622 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 10:54:15,622 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:54:15,622 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [969298350] [2022-09-16 10:54:15,622 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [969298350] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:54:15,622 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:54:15,622 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-09-16 10:54:15,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1765439408] [2022-09-16 10:54:15,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:54:15,623 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-09-16 10:54:15,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:54:15,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-09-16 10:54:15,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2022-09-16 10:54:15,624 INFO L87 Difference]: Start difference. First operand 350 states and 729 transitions. Second operand has 8 states, 7 states have (on average 12.142857142857142) internal successors, (85), 8 states have internal predecessors, (85), 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 10:54:15,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:54:15,680 INFO L93 Difference]: Finished difference Result 291 states and 569 transitions. [2022-09-16 10:54:15,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-09-16 10:54:15,681 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 12.142857142857142) internal successors, (85), 8 states have internal predecessors, (85), 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 85 [2022-09-16 10:54:15,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:54:15,682 INFO L225 Difference]: With dead ends: 291 [2022-09-16 10:54:15,682 INFO L226 Difference]: Without dead ends: 0 [2022-09-16 10:54:15,682 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2022-09-16 10:54:15,685 INFO L413 NwaCegarLoop]: 93 mSDtfsCounter, 215 mSDsluCounter, 234 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 215 SdHoareTripleChecker+Valid, 316 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-09-16 10:54:15,689 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [215 Valid, 316 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-09-16 10:54:15,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-09-16 10:54:15,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-09-16 10:54:15,689 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 10:54:15,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-09-16 10:54:15,690 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 85 [2022-09-16 10:54:15,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:54:15,690 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-09-16 10:54:15,690 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 12.142857142857142) internal successors, (85), 8 states have internal predecessors, (85), 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 10:54:15,690 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-09-16 10:54:15,691 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-09-16 10:54:15,693 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 18 remaining) [2022-09-16 10:54:15,693 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 18 remaining) [2022-09-16 10:54:15,693 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 18 remaining) [2022-09-16 10:54:15,694 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 18 remaining) [2022-09-16 10:54:15,694 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 18 remaining) [2022-09-16 10:54:15,694 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 18 remaining) [2022-09-16 10:54:15,694 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 18 remaining) [2022-09-16 10:54:15,694 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 18 remaining) [2022-09-16 10:54:15,694 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 18 remaining) [2022-09-16 10:54:15,694 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 18 remaining) [2022-09-16 10:54:15,694 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 18 remaining) [2022-09-16 10:54:15,695 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 18 remaining) [2022-09-16 10:54:15,695 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 18 remaining) [2022-09-16 10:54:15,695 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 18 remaining) [2022-09-16 10:54:15,695 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 18 remaining) [2022-09-16 10:54:15,695 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 18 remaining) [2022-09-16 10:54:15,695 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 18 remaining) [2022-09-16 10:54:15,695 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 18 remaining) [2022-09-16 10:54:15,695 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-09-16 10:54:15,698 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:54:15,702 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-09-16 10:54:15,702 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-09-16 10:54:15,706 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.09 10:54:15 BasicIcfg [2022-09-16 10:54:15,706 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-09-16 10:54:15,706 INFO L158 Benchmark]: Toolchain (without parser) took 2919.24ms. Allocated memory was 180.4MB in the beginning and 217.1MB in the end (delta: 36.7MB). Free memory was 122.7MB in the beginning and 174.0MB in the end (delta: -51.3MB). There was no memory consumed. Max. memory is 8.0GB. [2022-09-16 10:54:15,707 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 180.4MB. Free memory is still 139.3MB. There was no memory consumed. Max. memory is 8.0GB. [2022-09-16 10:54:15,707 INFO L158 Benchmark]: CACSL2BoogieTranslator took 235.33ms. Allocated memory is still 180.4MB. Free memory was 122.5MB in the beginning and 151.6MB in the end (delta: -29.1MB). Peak memory consumption was 12.4MB. Max. memory is 8.0GB. [2022-09-16 10:54:15,707 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.69ms. Allocated memory is still 180.4MB. Free memory was 151.1MB in the beginning and 149.5MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-09-16 10:54:15,707 INFO L158 Benchmark]: Boogie Preprocessor took 18.08ms. Allocated memory is still 180.4MB. Free memory was 149.5MB in the beginning and 147.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-09-16 10:54:15,708 INFO L158 Benchmark]: RCFGBuilder took 478.35ms. Allocated memory is still 180.4MB. Free memory was 147.9MB in the beginning and 127.5MB in the end (delta: 20.4MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. [2022-09-16 10:54:15,708 INFO L158 Benchmark]: TraceAbstraction took 2144.61ms. Allocated memory was 180.4MB in the beginning and 217.1MB in the end (delta: 36.7MB). Free memory was 126.9MB in the beginning and 174.0MB in the end (delta: -47.0MB). There was no memory consumed. Max. memory is 8.0GB. [2022-09-16 10:54:15,709 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 180.4MB. Free memory is still 139.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 235.33ms. Allocated memory is still 180.4MB. Free memory was 122.5MB in the beginning and 151.6MB in the end (delta: -29.1MB). Peak memory consumption was 12.4MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 37.69ms. Allocated memory is still 180.4MB. Free memory was 151.1MB in the beginning and 149.5MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 18.08ms. Allocated memory is still 180.4MB. Free memory was 149.5MB in the beginning and 147.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 478.35ms. Allocated memory is still 180.4MB. Free memory was 147.9MB in the beginning and 127.5MB in the end (delta: 20.4MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. * TraceAbstraction took 2144.61ms. Allocated memory was 180.4MB in the beginning and 217.1MB in the end (delta: 36.7MB). Free memory was 126.9MB in the beginning and 174.0MB in the end (delta: -47.0MB). There was no memory consumed. 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: 43]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 43]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 48]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 48]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 67]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 67]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 70]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 70]: 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 5 procedures, 167 locations, 18 error locations. Started 1 CEGAR loops. OverallTime: 2.0s, OverallIterations: 8, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1032 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1032 mSDsluCounter, 2070 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1352 mSDsCounter, 66 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 468 IncrementalHoareTripleChecker+Invalid, 534 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 66 mSolverCounterUnsat, 782 mSDtfsCounter, 468 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 45 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=701occurred in iteration=0, InterpolantAutomatonStates: 46, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 8 MinimizatonAttempts, 76 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 645 NumberOfCodeBlocks, 645 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 637 ConstructedInterpolants, 0 QuantifiedInterpolants, 1323 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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 10:54:15,749 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...