/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/weaver/popl20-min-max-inc-dec.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-c503be2 [2021-10-13 19:30:57,083 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 19:30:57,087 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 19:30:57,161 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 19:30:57,162 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 19:30:57,169 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 19:30:57,173 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 19:30:57,179 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 19:30:57,182 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 19:30:57,188 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 19:30:57,189 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 19:30:57,191 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 19:30:57,192 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 19:30:57,194 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 19:30:57,197 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 19:30:57,203 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 19:30:57,205 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 19:30:57,206 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 19:30:57,215 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 19:30:57,222 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 19:30:57,224 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 19:30:57,226 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 19:30:57,227 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 19:30:57,230 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 19:30:57,239 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-10-13 19:30:57,245 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 19:30:57,246 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 19:30:57,248 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 19:30:57,249 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 19:30:57,250 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 19:30:57,251 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 19:30:57,251 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 19:30:57,252 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 19:30:57,252 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 19:30:57,253 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 19:30:57,254 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 19:30:57,262 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2021-10-13 19:30:57,311 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 19:30:57,311 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 19:30:57,312 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 19:30:57,312 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 19:30:57,316 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 19:30:57,316 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 19:30:57,317 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 19:30:57,317 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 19:30:57,317 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 19:30:57,317 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 19:30:57,318 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 19:30:57,319 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 19:30:57,319 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 19:30:57,319 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 19:30:57,319 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 19:30:57,320 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 19:30:57,320 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-10-13 19:30:57,320 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 19:30:57,320 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 19:30:57,320 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 19:30:57,320 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 19:30:57,321 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 19:30:57,321 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 19:30:57,321 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 19:30:57,321 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 19:30:57,322 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 19:30:57,322 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 19:30:57,322 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 19:30:57,322 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-13 19:30:57,322 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 19:30:57,322 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 19:30:57,323 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 19:30:57,323 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-2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-10-13 19:30:57,728 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 19:30:57,758 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 19:30:57,761 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 19:30:57,762 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 19:30:57,762 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 19:30:57,763 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/popl20-min-max-inc-dec.wvr.c [2021-10-13 19:30:57,850 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d88ac5ed0/277c5511b06047a8888adb2df20b0dad/FLAGb0c1d3805 [2021-10-13 19:30:58,503 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 19:30:58,504 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/weaver/popl20-min-max-inc-dec.wvr.c [2021-10-13 19:30:58,521 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d88ac5ed0/277c5511b06047a8888adb2df20b0dad/FLAGb0c1d3805 [2021-10-13 19:30:58,858 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d88ac5ed0/277c5511b06047a8888adb2df20b0dad [2021-10-13 19:30:58,861 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 19:30:58,868 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 19:30:58,872 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 19:30:58,873 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 19:30:58,877 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 19:30:58,877 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:30:58" (1/1) ... [2021-10-13 19:30:58,879 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34b0437a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:30:58, skipping insertion in model container [2021-10-13 19:30:58,879 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:30:58" (1/1) ... [2021-10-13 19:30:58,888 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 19:30:58,915 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 19:30:59,117 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/weaver/popl20-min-max-inc-dec.wvr.c[2934,2947] [2021-10-13 19:30:59,124 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 19:30:59,136 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 19:30:59,212 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/weaver/popl20-min-max-inc-dec.wvr.c[2934,2947] [2021-10-13 19:30:59,219 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 19:30:59,245 INFO L208 MainTranslator]: Completed translation [2021-10-13 19:30:59,246 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:30:59 WrapperNode [2021-10-13 19:30:59,246 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 19:30:59,248 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 19:30:59,248 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 19:30:59,248 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 19:30:59,257 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:30:59" (1/1) ... [2021-10-13 19:30:59,288 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:30:59" (1/1) ... [2021-10-13 19:30:59,347 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 19:30:59,348 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 19:30:59,349 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 19:30:59,349 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 19:30:59,361 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:30:59" (1/1) ... [2021-10-13 19:30:59,362 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:30:59" (1/1) ... [2021-10-13 19:30:59,381 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:30:59" (1/1) ... [2021-10-13 19:30:59,384 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:30:59" (1/1) ... [2021-10-13 19:30:59,403 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:30:59" (1/1) ... [2021-10-13 19:30:59,420 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:30:59" (1/1) ... [2021-10-13 19:30:59,426 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:30:59" (1/1) ... [2021-10-13 19:30:59,433 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 19:30:59,436 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 19:30:59,436 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 19:30:59,436 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 19:30:59,439 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:30:59" (1/1) ... [2021-10-13 19:30:59,447 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 19:30:59,460 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-13 19:30:59,475 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 19:30:59,495 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 19:30:59,537 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 19:30:59,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-13 19:30:59,538 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-13 19:30:59,538 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-10-13 19:30:59,538 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-10-13 19:30:59,538 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-10-13 19:30:59,538 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-10-13 19:30:59,538 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-10-13 19:30:59,539 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-10-13 19:30:59,539 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-10-13 19:30:59,539 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-10-13 19:30:59,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-13 19:30:59,539 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2021-10-13 19:30:59,539 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2021-10-13 19:30:59,540 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-10-13 19:30:59,540 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-10-13 19:30:59,540 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-13 19:30:59,540 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 19:30:59,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 19:30:59,540 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-13 19:30:59,542 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-13 19:31:00,549 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 19:31:00,549 INFO L299 CfgBuilder]: Removed 25 assume(true) statements. [2021-10-13 19:31:00,552 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:31:00 BoogieIcfgContainer [2021-10-13 19:31:00,552 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 19:31:00,558 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 19:31:00,558 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 19:31:00,564 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 19:31:00,564 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 07:30:58" (1/3) ... [2021-10-13 19:31:00,565 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@952864f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:31:00, skipping insertion in model container [2021-10-13 19:31:00,565 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:30:59" (2/3) ... [2021-10-13 19:31:00,565 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@952864f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:31:00, skipping insertion in model container [2021-10-13 19:31:00,566 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:31:00" (3/3) ... [2021-10-13 19:31:00,567 INFO L111 eAbstractionObserver]: Analyzing ICFG popl20-min-max-inc-dec.wvr.c [2021-10-13 19:31:00,573 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-13 19:31:00,573 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 19:31:00,574 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 16 error locations. [2021-10-13 19:31:00,574 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-13 19:31:00,629 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,630 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,630 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,631 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,631 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,631 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,631 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork3_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,632 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork3_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,632 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork3_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,632 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork3_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,632 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork3_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,632 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork3_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,633 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,633 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,633 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,633 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,633 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork3_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,634 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,634 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork3_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,634 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,634 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,634 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,635 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,635 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,635 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,635 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,636 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork3_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,636 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,636 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork3_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,636 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,636 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,637 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,637 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,637 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,637 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,637 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,638 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,638 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,638 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,638 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,638 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,639 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,639 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork3_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,639 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,639 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork3_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,639 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,639 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,640 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,640 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,640 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,640 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,641 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,641 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,641 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,641 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,641 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork3_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,642 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,642 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork3_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,642 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,642 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,643 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,643 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,643 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,644 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,644 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,644 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,644 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,645 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,645 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,645 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,645 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,645 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,646 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,646 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,646 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,646 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,646 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,647 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,647 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,647 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,647 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,647 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,648 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,648 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,648 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,648 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,649 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,649 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,649 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,649 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,649 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,650 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,650 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,650 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,650 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,650 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,651 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,651 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,655 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,655 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,655 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,656 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,656 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,656 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,656 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,656 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,657 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,657 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,657 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,657 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,657 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,658 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,661 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,661 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,661 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,661 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,661 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,662 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,662 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,662 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,663 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,663 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,663 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,663 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,664 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,664 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,664 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,664 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,664 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,664 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,665 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,665 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,665 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,665 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,665 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,665 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,666 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,667 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,667 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,667 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,667 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,668 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,668 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,671 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,671 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,671 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,672 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,672 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,672 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,672 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,672 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,673 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,673 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,673 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,673 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,673 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,674 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,674 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,679 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,679 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,679 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,680 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,680 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,680 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,680 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,680 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,681 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,681 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,681 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,681 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,681 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,682 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,682 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,682 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,682 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,682 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,683 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,683 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,683 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,683 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,683 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,684 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,686 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork4_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,687 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork4_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,687 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork4_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,687 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork4_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,687 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork4_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,687 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork4_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,688 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,688 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,688 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,688 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,689 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork4_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,690 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~post19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,690 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~mem18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,690 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork4_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,690 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,690 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork4_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,690 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~post19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,691 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~mem18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,691 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork4_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,691 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,691 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork4_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,691 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~post19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,692 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~mem18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,692 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork4_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,692 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,693 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork4_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,694 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~post19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,694 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~mem18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,694 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork4_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,694 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,694 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork4_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,695 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~post19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,695 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~mem18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,696 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork4_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,697 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,698 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork4_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,699 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~post19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,699 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~mem18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,699 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork4_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,699 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,699 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork4_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,700 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~post17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,702 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork4_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,702 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~post17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,703 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~post17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,703 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~post17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,703 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~post17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,703 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~post17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,704 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~post17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,704 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~post17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,704 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~post17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,704 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~post17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,704 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~post17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,704 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork4_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,705 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~post17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,711 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork4_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,711 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~post17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,712 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~post17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,712 WARN L313 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork1_#t~short20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,712 WARN L313 ript$VariableManager]: TermVariabe thread5Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,712 WARN L313 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,713 WARN L313 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork1_#t~short20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,713 WARN L313 ript$VariableManager]: TermVariabe thread5Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,713 WARN L313 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,713 WARN L313 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork1_#t~short20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,713 WARN L313 ript$VariableManager]: TermVariabe thread5Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,713 WARN L313 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,714 WARN L313 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork1_#t~short20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,719 WARN L313 ript$VariableManager]: TermVariabe thread5Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,719 WARN L313 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,720 WARN L313 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork1_#t~short20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,720 WARN L313 ript$VariableManager]: TermVariabe thread5Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,720 WARN L313 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,721 WARN L313 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork1_#t~short20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,721 WARN L313 ript$VariableManager]: TermVariabe thread5Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,721 WARN L313 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,724 WARN L313 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,724 WARN L313 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,725 WARN L313 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,725 WARN L313 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,732 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,733 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,733 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,733 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,733 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,734 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,734 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,734 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,739 WARN L313 ript$VariableManager]: TermVariabe thread5Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,739 WARN L313 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,740 WARN L313 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,741 WARN L313 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork1_#t~short20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,742 WARN L313 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,744 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,745 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,745 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,747 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,747 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,747 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,747 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,747 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,747 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,752 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,752 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,752 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,752 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork3_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,753 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,753 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,753 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,754 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,756 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~post17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,756 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~post19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,757 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,757 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork4_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,757 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,757 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,757 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork4_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,757 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork4_#t~mem18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:31:00,772 INFO L148 ThreadInstanceAdder]: Constructed 5 joinOtherThreadTransitions. [2021-10-13 19:31:00,823 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 19:31:00,831 INFO L339 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, mConcurrency=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, mLoopAccelerationTechnique=FAST_UPR [2021-10-13 19:31:00,831 INFO L340 AbstractCegarLoop]: Starting to check reachability of 35 error locations. [2021-10-13 19:31:00,853 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-10-13 19:31:00,866 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 228 places, 228 transitions, 496 flow [2021-10-13 19:31:00,869 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 228 places, 228 transitions, 496 flow [2021-10-13 19:31:00,871 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 228 places, 228 transitions, 496 flow [2021-10-13 19:31:00,974 INFO L129 PetriNetUnfolder]: 16/223 cut-off events. [2021-10-13 19:31:00,974 INFO L130 PetriNetUnfolder]: For 5/5 co-relation queries the response was YES. [2021-10-13 19:31:00,985 INFO L84 FinitePrefix]: Finished finitePrefix Result has 244 conditions, 223 events. 16/223 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 375 event pairs, 0 based on Foata normal form. 0/191 useless extension candidates. Maximal degree in co-relation 188. Up to 2 conditions per place. [2021-10-13 19:31:01,001 INFO L116 LiptonReduction]: Number of co-enabled transitions 10438 [2021-10-13 19:31:13,269 INFO L131 LiptonReduction]: Checked pairs total: 20537 [2021-10-13 19:31:13,270 INFO L133 LiptonReduction]: Total number of compositions: 213 [2021-10-13 19:31:13,279 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 79 places, 70 transitions, 180 flow [2021-10-13 19:31:17,000 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 60053 states, 59377 states have (on average 5.362160432490695) internal successors, (318389), 60052 states have internal predecessors, (318389), 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) [2021-10-13 19:31:17,259 INFO L276 IsEmpty]: Start isEmpty. Operand has 60053 states, 59377 states have (on average 5.362160432490695) internal successors, (318389), 60052 states have internal predecessors, (318389), 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) [2021-10-13 19:31:17,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2021-10-13 19:31:17,265 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 19:31:17,265 INFO L512 BasicCegarLoop]: trace histogram [1, 1] [2021-10-13 19:31:17,266 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 32 more)] === [2021-10-13 19:31:17,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 19:31:17,272 INFO L82 PathProgramCache]: Analyzing trace with hash 30991, now seen corresponding path program 1 times [2021-10-13 19:31:17,283 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 19:31:17,283 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [701169309] [2021-10-13 19:31:17,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 19:31:17,287 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 19:31:17,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 19:31:17,511 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 19:31:17,512 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 19:31:17,512 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [701169309] [2021-10-13 19:31:17,513 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [701169309] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 19:31:17,513 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 19:31:17,514 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-10-13 19:31:17,515 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1451481914] [2021-10-13 19:31:17,523 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 19:31:17,523 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 19:31:17,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 19:31:17,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 19:31:17,676 INFO L87 Difference]: Start difference. First operand has 60053 states, 59377 states have (on average 5.362160432490695) internal successors, (318389), 60052 states have internal predecessors, (318389), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 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) [2021-10-13 19:31:19,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 19:31:19,448 INFO L93 Difference]: Finished difference Result 41336 states and 215780 transitions. [2021-10-13 19:31:19,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 19:31:19,450 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 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 2 [2021-10-13 19:31:19,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 19:31:20,392 INFO L225 Difference]: With dead ends: 41336 [2021-10-13 19:31:20,392 INFO L226 Difference]: Without dead ends: 41336 [2021-10-13 19:31:20,393 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 19:31:20,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41336 states. [2021-10-13 19:31:23,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41336 to 41336. [2021-10-13 19:31:23,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41336 states, 40976 states have (on average 5.266009371339321) internal successors, (215780), 41335 states have internal predecessors, (215780), 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) [2021-10-13 19:31:24,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41336 states to 41336 states and 215780 transitions. [2021-10-13 19:31:24,226 INFO L78 Accepts]: Start accepts. Automaton has 41336 states and 215780 transitions. Word has length 2 [2021-10-13 19:31:24,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 19:31:24,226 INFO L470 AbstractCegarLoop]: Abstraction has 41336 states and 215780 transitions. [2021-10-13 19:31:24,226 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 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) [2021-10-13 19:31:24,227 INFO L276 IsEmpty]: Start isEmpty. Operand 41336 states and 215780 transitions. [2021-10-13 19:31:24,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2021-10-13 19:31:24,227 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 19:31:24,227 INFO L512 BasicCegarLoop]: trace histogram [1, 1] [2021-10-13 19:31:24,228 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-13 19:31:24,228 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 32 more)] === [2021-10-13 19:31:24,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 19:31:24,229 INFO L82 PathProgramCache]: Analyzing trace with hash 30963, now seen corresponding path program 1 times [2021-10-13 19:31:24,229 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 19:31:24,229 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1601486017] [2021-10-13 19:31:24,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 19:31:24,230 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 19:31:24,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 19:31:24,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 19:31:24,278 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 19:31:24,278 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1601486017] [2021-10-13 19:31:24,278 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1601486017] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 19:31:24,278 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 19:31:24,279 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-10-13 19:31:24,279 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2082454889] [2021-10-13 19:31:24,280 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 19:31:24,281 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 19:31:24,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 19:31:24,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 19:31:24,282 INFO L87 Difference]: Start difference. First operand 41336 states and 215780 transitions. Second operand has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 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) [2021-10-13 19:31:26,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 19:31:26,096 INFO L93 Difference]: Finished difference Result 82670 states and 431558 transitions. [2021-10-13 19:31:26,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 19:31:26,096 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 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 2 [2021-10-13 19:31:26,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 19:31:27,737 INFO L225 Difference]: With dead ends: 82670 [2021-10-13 19:31:27,737 INFO L226 Difference]: Without dead ends: 82670 [2021-10-13 19:31:27,740 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 19:31:28,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82670 states. [2021-10-13 19:31:31,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82670 to 41337. [2021-10-13 19:31:31,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41337 states, 40977 states have (on average 5.265929667862459) internal successors, (215782), 41336 states have internal predecessors, (215782), 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) [2021-10-13 19:31:31,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41337 states to 41337 states and 215782 transitions. [2021-10-13 19:31:31,892 INFO L78 Accepts]: Start accepts. Automaton has 41337 states and 215782 transitions. Word has length 2 [2021-10-13 19:31:31,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 19:31:31,892 INFO L470 AbstractCegarLoop]: Abstraction has 41337 states and 215782 transitions. [2021-10-13 19:31:31,892 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 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) [2021-10-13 19:31:31,892 INFO L276 IsEmpty]: Start isEmpty. Operand 41337 states and 215782 transitions. [2021-10-13 19:31:31,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-10-13 19:31:31,893 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 19:31:31,893 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1] [2021-10-13 19:31:31,894 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-13 19:31:31,894 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 32 more)] === [2021-10-13 19:31:31,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 19:31:31,896 INFO L82 PathProgramCache]: Analyzing trace with hash 961583, now seen corresponding path program 1 times [2021-10-13 19:31:31,896 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 19:31:31,897 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [350623404] [2021-10-13 19:31:31,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 19:31:31,898 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 19:31:31,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 19:31:32,023 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 19:31:32,024 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 19:31:32,024 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [350623404] [2021-10-13 19:31:32,024 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [350623404] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 19:31:32,024 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [402247595] [2021-10-13 19:31:32,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 19:31:32,025 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 19:31:32,025 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-13 19:31:32,030 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 19:31:32,035 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-13 19:31:32,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 19:31:32,114 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-13 19:31:32,119 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 19:31:32,153 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 19:31:32,154 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [402247595] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 19:31:32,154 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-13 19:31:32,154 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 2] total 2 [2021-10-13 19:31:32,154 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [155351155] [2021-10-13 19:31:32,155 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 19:31:32,155 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 19:31:32,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 19:31:32,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 19:31:32,156 INFO L87 Difference]: Start difference. First operand 41337 states and 215782 transitions. Second operand has 4 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 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) [2021-10-13 19:31:35,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 19:31:35,329 INFO L93 Difference]: Finished difference Result 124004 states and 647336 transitions. [2021-10-13 19:31:35,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 19:31:35,331 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 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 3 [2021-10-13 19:31:35,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 19:31:37,189 INFO L225 Difference]: With dead ends: 124004 [2021-10-13 19:31:37,189 INFO L226 Difference]: Without dead ends: 124004 [2021-10-13 19:31:37,190 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.1ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 19:31:38,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124004 states. [2021-10-13 19:31:41,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124004 to 41338. [2021-10-13 19:31:41,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41338 states, 40978 states have (on average 5.26584996827566) internal successors, (215784), 41337 states have internal predecessors, (215784), 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) [2021-10-13 19:31:42,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41338 states to 41338 states and 215784 transitions. [2021-10-13 19:31:42,638 INFO L78 Accepts]: Start accepts. Automaton has 41338 states and 215784 transitions. Word has length 3 [2021-10-13 19:31:42,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 19:31:42,639 INFO L470 AbstractCegarLoop]: Abstraction has 41338 states and 215784 transitions. [2021-10-13 19:31:42,639 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 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) [2021-10-13 19:31:42,639 INFO L276 IsEmpty]: Start isEmpty. Operand 41338 states and 215784 transitions. [2021-10-13 19:31:42,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-13 19:31:42,639 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 19:31:42,639 INFO L512 BasicCegarLoop]: trace histogram [2, 1, 1] [2021-10-13 19:31:42,674 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-13 19:31:42,840 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 19:31:42,841 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 32 more)] === [2021-10-13 19:31:42,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 19:31:42,842 INFO L82 PathProgramCache]: Analyzing trace with hash 29810803, now seen corresponding path program 2 times [2021-10-13 19:31:42,842 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 19:31:42,843 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1573794923] [2021-10-13 19:31:42,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 19:31:42,844 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 19:31:42,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 19:31:42,942 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 19:31:42,943 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 19:31:42,943 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1573794923] [2021-10-13 19:31:42,943 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1573794923] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 19:31:42,944 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2000582074] [2021-10-13 19:31:42,944 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-13 19:31:42,944 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 19:31:42,944 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-13 19:31:42,945 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 19:31:42,950 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-10-13 19:31:43,029 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-10-13 19:31:43,029 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-13 19:31:43,031 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-13 19:31:43,032 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 19:31:43,061 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-13 19:31:43,061 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2000582074] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 19:31:43,062 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-13 19:31:43,062 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [3] total 4 [2021-10-13 19:31:43,062 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1232017081] [2021-10-13 19:31:43,062 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 19:31:43,063 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 19:31:43,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 19:31:43,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-10-13 19:31:43,067 INFO L87 Difference]: Start difference. First operand 41338 states and 215784 transitions. Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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) [2021-10-13 19:31:44,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 19:31:44,547 INFO L93 Difference]: Finished difference Result 41337 states and 215783 transitions. [2021-10-13 19:31:44,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 19:31:44,553 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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 4 [2021-10-13 19:31:44,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 19:31:45,055 INFO L225 Difference]: With dead ends: 41337 [2021-10-13 19:31:45,055 INFO L226 Difference]: Without dead ends: 41337 [2021-10-13 19:31:45,056 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 13.4ms TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-10-13 19:31:45,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41337 states. [2021-10-13 19:31:46,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41337 to 41335. [2021-10-13 19:31:46,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41335 states, 40976 states have (on average 5.26598496680984) internal successors, (215779), 41334 states have internal predecessors, (215779), 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) [2021-10-13 19:31:47,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41335 states to 41335 states and 215779 transitions. [2021-10-13 19:31:47,441 INFO L78 Accepts]: Start accepts. Automaton has 41335 states and 215779 transitions. Word has length 4 [2021-10-13 19:31:47,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 19:31:47,442 INFO L470 AbstractCegarLoop]: Abstraction has 41335 states and 215779 transitions. [2021-10-13 19:31:47,442 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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) [2021-10-13 19:31:47,442 INFO L276 IsEmpty]: Start isEmpty. Operand 41335 states and 215779 transitions. [2021-10-13 19:31:47,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-13 19:31:47,443 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 19:31:47,443 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 19:31:47,467 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-10-13 19:31:47,644 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 19:31:47,645 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting thread3Err3ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 32 more)] === [2021-10-13 19:31:47,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 19:31:47,646 INFO L82 PathProgramCache]: Analyzing trace with hash 1307751049, now seen corresponding path program 1 times [2021-10-13 19:31:47,647 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 19:31:47,647 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [212395628] [2021-10-13 19:31:47,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 19:31:47,648 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 19:31:47,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 19:31:47,696 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 19:31:47,696 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 19:31:47,696 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [212395628] [2021-10-13 19:31:47,697 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [212395628] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 19:31:47,697 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 19:31:47,697 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-13 19:31:47,697 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1174546454] [2021-10-13 19:31:47,698 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 19:31:47,698 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 19:31:47,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 19:31:47,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 19:31:47,699 INFO L87 Difference]: Start difference. First operand 41335 states and 215779 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 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) [2021-10-13 19:31:48,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 19:31:48,987 INFO L93 Difference]: Finished difference Result 61899 states and 323334 transitions. [2021-10-13 19:31:48,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 19:31:48,988 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 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 9 [2021-10-13 19:31:48,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 19:31:49,546 INFO L225 Difference]: With dead ends: 61899 [2021-10-13 19:31:49,546 INFO L226 Difference]: Without dead ends: 61899 [2021-10-13 19:31:49,547 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 19:31:50,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61899 states. [2021-10-13 19:31:52,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61899 to 48177. [2021-10-13 19:31:52,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48177 states, 47818 states have (on average 5.5477226149148855) internal successors, (265281), 48176 states have internal predecessors, (265281), 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) [2021-10-13 19:31:52,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48177 states to 48177 states and 265281 transitions. [2021-10-13 19:31:52,995 INFO L78 Accepts]: Start accepts. Automaton has 48177 states and 265281 transitions. Word has length 9 [2021-10-13 19:31:52,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 19:31:52,996 INFO L470 AbstractCegarLoop]: Abstraction has 48177 states and 265281 transitions. [2021-10-13 19:31:52,997 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 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) [2021-10-13 19:31:52,997 INFO L276 IsEmpty]: Start isEmpty. Operand 48177 states and 265281 transitions. [2021-10-13 19:31:52,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-13 19:31:52,998 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 19:31:52,998 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 19:31:52,998 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-13 19:31:52,998 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting thread3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 32 more)] === [2021-10-13 19:31:52,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 19:31:52,999 INFO L82 PathProgramCache]: Analyzing trace with hash 1307750895, now seen corresponding path program 1 times [2021-10-13 19:31:52,999 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 19:31:52,999 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [256069747] [2021-10-13 19:31:52,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 19:31:53,000 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 19:31:53,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 19:31:53,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 19:31:53,038 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 19:31:53,039 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [256069747] [2021-10-13 19:31:53,039 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [256069747] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 19:31:53,039 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 19:31:53,039 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-13 19:31:53,040 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [876905694] [2021-10-13 19:31:53,040 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 19:31:53,040 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 19:31:53,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 19:31:53,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 19:31:53,041 INFO L87 Difference]: Start difference. First operand 48177 states and 265281 transitions. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 states have internal predecessors, (9), 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) [2021-10-13 19:31:54,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 19:31:54,221 INFO L93 Difference]: Finished difference Result 48178 states and 265282 transitions. [2021-10-13 19:31:54,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 19:31:54,222 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 states have internal predecessors, (9), 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 9 [2021-10-13 19:31:54,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 19:31:54,654 INFO L225 Difference]: With dead ends: 48178 [2021-10-13 19:31:54,655 INFO L226 Difference]: Without dead ends: 48178 [2021-10-13 19:31:54,655 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 19:31:54,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48178 states. [2021-10-13 19:31:57,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48178 to 48178. [2021-10-13 19:31:57,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48178 states, 47819 states have (on average 5.547627512076789) internal successors, (265282), 48177 states have internal predecessors, (265282), 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) [2021-10-13 19:31:58,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48178 states to 48178 states and 265282 transitions. [2021-10-13 19:31:58,164 INFO L78 Accepts]: Start accepts. Automaton has 48178 states and 265282 transitions. Word has length 9 [2021-10-13 19:31:58,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 19:31:58,164 INFO L470 AbstractCegarLoop]: Abstraction has 48178 states and 265282 transitions. [2021-10-13 19:31:58,164 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 states have internal predecessors, (9), 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) [2021-10-13 19:31:58,165 INFO L276 IsEmpty]: Start isEmpty. Operand 48178 states and 265282 transitions. [2021-10-13 19:31:58,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-13 19:31:58,169 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 19:31:58,169 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 19:31:58,169 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-13 19:31:58,170 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting thread3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 32 more)] === [2021-10-13 19:31:58,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 19:31:58,170 INFO L82 PathProgramCache]: Analyzing trace with hash -153377997, now seen corresponding path program 1 times [2021-10-13 19:31:58,171 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 19:31:58,171 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [124408859] [2021-10-13 19:31:58,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 19:31:58,171 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 19:31:58,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 19:31:58,502 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 19:31:58,502 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 19:31:58,502 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [124408859] [2021-10-13 19:31:58,503 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [124408859] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 19:31:58,503 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1672035393] [2021-10-13 19:31:58,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 19:31:58,503 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 19:31:58,503 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-13 19:31:58,504 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 19:31:58,523 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-10-13 19:31:58,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 19:31:58,591 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 26 conjunts are in the unsatisfiable core [2021-10-13 19:31:58,593 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 19:31:58,691 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-10-13 19:31:58,761 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-10-13 19:31:58,761 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 25 [2021-10-13 19:31:58,828 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-10-13 19:31:58,828 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 25 [2021-10-13 19:31:58,883 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-10-13 19:31:58,883 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 25 [2021-10-13 19:31:58,917 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 19:31:58,918 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1672035393] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 19:31:58,918 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-13 19:31:58,918 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2021-10-13 19:31:58,918 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1251602945] [2021-10-13 19:31:58,919 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-13 19:31:58,919 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 19:31:58,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-13 19:31:58,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2021-10-13 19:31:58,920 INFO L87 Difference]: Start difference. First operand 48178 states and 265282 transitions. Second operand has 13 states, 12 states have (on average 1.5833333333333333) internal successors, (19), 12 states have internal predecessors, (19), 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) [2021-10-13 19:32:00,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 19:32:00,945 INFO L93 Difference]: Finished difference Result 61752 states and 322785 transitions. [2021-10-13 19:32:00,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-13 19:32:00,946 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.5833333333333333) internal successors, (19), 12 states have internal predecessors, (19), 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 10 [2021-10-13 19:32:00,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 19:32:01,494 INFO L225 Difference]: With dead ends: 61752 [2021-10-13 19:32:01,494 INFO L226 Difference]: Without dead ends: 61752 [2021-10-13 19:32:01,495 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 203.2ms TimeCoverageRelationStatistics Valid=69, Invalid=171, Unknown=0, NotChecked=0, Total=240 [2021-10-13 19:32:01,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61752 states. [2021-10-13 19:32:03,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61752 to 48178. [2021-10-13 19:32:03,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48178 states, 47819 states have (on average 5.545327171208097) internal successors, (265172), 48177 states have internal predecessors, (265172), 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) [2021-10-13 19:32:04,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48178 states to 48178 states and 265172 transitions. [2021-10-13 19:32:04,821 INFO L78 Accepts]: Start accepts. Automaton has 48178 states and 265172 transitions. Word has length 10 [2021-10-13 19:32:04,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 19:32:04,822 INFO L470 AbstractCegarLoop]: Abstraction has 48178 states and 265172 transitions. [2021-10-13 19:32:04,822 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.5833333333333333) internal successors, (19), 12 states have internal predecessors, (19), 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) [2021-10-13 19:32:04,822 INFO L276 IsEmpty]: Start isEmpty. Operand 48178 states and 265172 transitions. [2021-10-13 19:32:04,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-13 19:32:04,823 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 19:32:04,823 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 19:32:04,863 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2021-10-13 19:32:05,036 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 19:32:05,037 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 32 more)] === [2021-10-13 19:32:05,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 19:32:05,038 INFO L82 PathProgramCache]: Analyzing trace with hash 384163880, now seen corresponding path program 1 times [2021-10-13 19:32:05,039 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 19:32:05,039 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1281608926] [2021-10-13 19:32:05,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 19:32:05,040 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 19:32:05,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 19:32:05,070 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-13 19:32:05,070 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 19:32:05,070 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1281608926] [2021-10-13 19:32:05,071 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1281608926] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 19:32:05,071 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 19:32:05,071 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-13 19:32:05,071 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684483650] [2021-10-13 19:32:05,071 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 19:32:05,071 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 19:32:05,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 19:32:05,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 19:32:05,072 INFO L87 Difference]: Start difference. First operand 48178 states and 265172 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 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) [2021-10-13 19:32:07,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 19:32:07,238 INFO L93 Difference]: Finished difference Result 75942 states and 418979 transitions. [2021-10-13 19:32:07,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 19:32:07,239 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 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 10 [2021-10-13 19:32:07,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 19:32:08,251 INFO L225 Difference]: With dead ends: 75942 [2021-10-13 19:32:08,252 INFO L226 Difference]: Without dead ends: 75942 [2021-10-13 19:32:08,252 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 19:32:08,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75942 states. [2021-10-13 19:32:12,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75942 to 68588. [2021-10-13 19:32:12,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68588 states, 68229 states have (on average 5.638276978997201) internal successors, (384694), 68587 states have internal predecessors, (384694), 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) [2021-10-13 19:32:13,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68588 states to 68588 states and 384694 transitions. [2021-10-13 19:32:13,934 INFO L78 Accepts]: Start accepts. Automaton has 68588 states and 384694 transitions. Word has length 10 [2021-10-13 19:32:13,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 19:32:13,935 INFO L470 AbstractCegarLoop]: Abstraction has 68588 states and 384694 transitions. [2021-10-13 19:32:13,935 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 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) [2021-10-13 19:32:13,935 INFO L276 IsEmpty]: Start isEmpty. Operand 68588 states and 384694 transitions. [2021-10-13 19:32:13,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-13 19:32:13,936 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 19:32:13,936 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 19:32:13,936 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-13 19:32:13,936 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 32 more)] === [2021-10-13 19:32:13,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 19:32:13,937 INFO L82 PathProgramCache]: Analyzing trace with hash -699570911, now seen corresponding path program 1 times [2021-10-13 19:32:13,937 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 19:32:13,937 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1570114104] [2021-10-13 19:32:13,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 19:32:13,938 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 19:32:13,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 19:32:13,969 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-13 19:32:13,969 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 19:32:13,969 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1570114104] [2021-10-13 19:32:13,970 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1570114104] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 19:32:13,970 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 19:32:13,970 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-13 19:32:13,970 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1057386065] [2021-10-13 19:32:13,971 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 19:32:13,971 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 19:32:13,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 19:32:13,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 19:32:13,972 INFO L87 Difference]: Start difference. First operand 68588 states and 384694 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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) [2021-10-13 19:32:16,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 19:32:16,233 INFO L93 Difference]: Finished difference Result 103030 states and 581033 transitions. [2021-10-13 19:32:16,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 19:32:16,234 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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 11 [2021-10-13 19:32:16,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 19:32:17,392 INFO L225 Difference]: With dead ends: 103030 [2021-10-13 19:32:17,392 INFO L226 Difference]: Without dead ends: 103030 [2021-10-13 19:32:17,393 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 19:32:18,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103030 states. [2021-10-13 19:32:22,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103030 to 95876. [2021-10-13 19:32:22,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95876 states, 95517 states have (on average 5.747228242093031) internal successors, (548958), 95875 states have internal predecessors, (548958), 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) [2021-10-13 19:32:24,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95876 states to 95876 states and 548958 transitions. [2021-10-13 19:32:24,132 INFO L78 Accepts]: Start accepts. Automaton has 95876 states and 548958 transitions. Word has length 11 [2021-10-13 19:32:24,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 19:32:24,133 INFO L470 AbstractCegarLoop]: Abstraction has 95876 states and 548958 transitions. [2021-10-13 19:32:24,133 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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) [2021-10-13 19:32:24,133 INFO L276 IsEmpty]: Start isEmpty. Operand 95876 states and 548958 transitions. [2021-10-13 19:32:24,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-13 19:32:24,134 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 19:32:24,134 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 19:32:24,134 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-13 19:32:24,135 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting thread3Err3ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 32 more)] === [2021-10-13 19:32:24,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 19:32:24,135 INFO L82 PathProgramCache]: Analyzing trace with hash -459744924, now seen corresponding path program 1 times [2021-10-13 19:32:24,135 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 19:32:24,136 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [886651443] [2021-10-13 19:32:24,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 19:32:24,136 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 19:32:24,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 19:32:24,175 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-13 19:32:24,175 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 19:32:24,175 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [886651443] [2021-10-13 19:32:24,176 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [886651443] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 19:32:24,176 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 19:32:24,176 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-13 19:32:24,176 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [204850480] [2021-10-13 19:32:24,176 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 19:32:24,177 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 19:32:24,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 19:32:24,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 19:32:24,177 INFO L87 Difference]: Start difference. First operand 95876 states and 548958 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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) [2021-10-13 19:32:26,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 19:32:26,433 INFO L93 Difference]: Finished difference Result 82254 states and 474634 transitions. [2021-10-13 19:32:26,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 19:32:26,434 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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 11 [2021-10-13 19:32:26,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 19:32:27,330 INFO L225 Difference]: With dead ends: 82254 [2021-10-13 19:32:27,330 INFO L226 Difference]: Without dead ends: 82254 [2021-10-13 19:32:27,330 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 19:32:27,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82254 states. [2021-10-13 19:32:30,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82254 to 82254. [2021-10-13 19:32:31,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82254 states, 81985 states have (on average 5.789278526559737) internal successors, (474634), 82253 states have internal predecessors, (474634), 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) [2021-10-13 19:32:32,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82254 states to 82254 states and 474634 transitions. [2021-10-13 19:32:32,417 INFO L78 Accepts]: Start accepts. Automaton has 82254 states and 474634 transitions. Word has length 11 [2021-10-13 19:32:32,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 19:32:32,417 INFO L470 AbstractCegarLoop]: Abstraction has 82254 states and 474634 transitions. [2021-10-13 19:32:32,417 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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) [2021-10-13 19:32:32,417 INFO L276 IsEmpty]: Start isEmpty. Operand 82254 states and 474634 transitions. [2021-10-13 19:32:32,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-13 19:32:32,418 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 19:32:32,419 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 19:32:32,419 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-13 19:32:32,419 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting thread3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 32 more)] === [2021-10-13 19:32:32,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 19:32:32,420 INFO L82 PathProgramCache]: Analyzing trace with hash -459745078, now seen corresponding path program 1 times [2021-10-13 19:32:32,420 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 19:32:32,420 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1298990685] [2021-10-13 19:32:32,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 19:32:32,420 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 19:32:32,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 19:32:32,482 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 19:32:32,482 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 19:32:32,482 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1298990685] [2021-10-13 19:32:32,482 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1298990685] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 19:32:32,483 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [139924875] [2021-10-13 19:32:32,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 19:32:32,483 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 19:32:32,483 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-13 19:32:32,484 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 19:32:32,485 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-10-13 19:32:32,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 19:32:32,575 INFO L263 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-13 19:32:32,577 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 19:32:32,657 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 19:32:32,657 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [139924875] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 19:32:32,658 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-13 19:32:32,658 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2021-10-13 19:32:32,658 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1830126905] [2021-10-13 19:32:32,658 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-10-13 19:32:32,659 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 19:32:32,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-13 19:32:32,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2021-10-13 19:32:32,659 INFO L87 Difference]: Start difference. First operand 82254 states and 474634 transitions. Second operand has 11 states, 10 states have (on average 1.7) internal successors, (17), 10 states have internal predecessors, (17), 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) [2021-10-13 19:32:37,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 19:32:37,004 INFO L93 Difference]: Finished difference Result 153016 states and 847555 transitions. [2021-10-13 19:32:37,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-13 19:32:37,004 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 1.7) internal successors, (17), 10 states have internal predecessors, (17), 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 11 [2021-10-13 19:32:37,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 19:32:39,712 INFO L225 Difference]: With dead ends: 153016 [2021-10-13 19:32:39,712 INFO L226 Difference]: Without dead ends: 153010 [2021-10-13 19:32:39,712 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 88.9ms TimeCoverageRelationStatistics Valid=62, Invalid=148, Unknown=0, NotChecked=0, Total=210 [2021-10-13 19:32:40,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153010 states. [2021-10-13 19:32:47,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153010 to 126162. [2021-10-13 19:32:48,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126162 states, 125893 states have (on average 5.898739405685781) internal successors, (742610), 126161 states have internal predecessors, (742610), 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) [2021-10-13 19:32:50,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126162 states to 126162 states and 742610 transitions. [2021-10-13 19:32:50,693 INFO L78 Accepts]: Start accepts. Automaton has 126162 states and 742610 transitions. Word has length 11 [2021-10-13 19:32:50,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 19:32:50,693 INFO L470 AbstractCegarLoop]: Abstraction has 126162 states and 742610 transitions. [2021-10-13 19:32:50,694 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 1.7) internal successors, (17), 10 states have internal predecessors, (17), 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) [2021-10-13 19:32:50,694 INFO L276 IsEmpty]: Start isEmpty. Operand 126162 states and 742610 transitions. [2021-10-13 19:32:50,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-13 19:32:50,695 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 19:32:50,695 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 19:32:50,736 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-10-13 19:32:50,910 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-10-13 19:32:50,910 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting thread3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 32 more)] === [2021-10-13 19:32:50,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 19:32:50,911 INFO L82 PathProgramCache]: Analyzing trace with hash -459744272, now seen corresponding path program 1 times [2021-10-13 19:32:50,911 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 19:32:50,911 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1111012840] [2021-10-13 19:32:50,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 19:32:50,912 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 19:32:51,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 19:32:51,309 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 19:32:51,309 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 19:32:51,309 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1111012840] [2021-10-13 19:32:51,309 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1111012840] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 19:32:51,310 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1995745585] [2021-10-13 19:32:51,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 19:32:51,310 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 19:32:51,310 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-13 19:32:51,321 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 19:32:51,353 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-10-13 19:32:51,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 19:32:51,998 INFO L263 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 26 conjunts are in the unsatisfiable core [2021-10-13 19:32:52,001 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 19:32:52,100 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-10-13 19:32:52,184 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-10-13 19:32:52,187 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 25 [2021-10-13 19:32:52,291 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-10-13 19:32:52,292 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 25 [2021-10-13 19:32:52,357 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-10-13 19:32:52,358 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 25 [2021-10-13 19:32:52,448 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-10-13 19:32:52,448 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 25 [2021-10-13 19:32:52,474 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 19:32:52,474 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1995745585] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 19:32:52,474 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-13 19:32:52,474 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 14 [2021-10-13 19:32:52,477 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1327817363] [2021-10-13 19:32:52,478 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-10-13 19:32:52,478 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 19:32:52,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-10-13 19:32:52,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=200, Unknown=0, NotChecked=0, Total=240 [2021-10-13 19:32:52,479 INFO L87 Difference]: Start difference. First operand 126162 states and 742610 transitions. Second operand has 16 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 15 states have internal predecessors, (22), 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) [2021-10-13 19:32:57,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 19:32:57,542 INFO L93 Difference]: Finished difference Result 140008 states and 800714 transitions. [2021-10-13 19:32:57,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-13 19:32:57,543 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 15 states have internal predecessors, (22), 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 11 [2021-10-13 19:32:57,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 19:33:00,723 INFO L225 Difference]: With dead ends: 140008 [2021-10-13 19:33:00,723 INFO L226 Difference]: Without dead ends: 140008 [2021-10-13 19:33:00,723 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 589.6ms TimeCoverageRelationStatistics Valid=89, Invalid=331, Unknown=0, NotChecked=0, Total=420 [2021-10-13 19:33:01,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140008 states. [2021-10-13 19:33:07,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140008 to 125490. [2021-10-13 19:33:08,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125490 states, 125221 states have (on average 5.874573753603629) internal successors, (735620), 125489 states have internal predecessors, (735620), 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) [2021-10-13 19:33:10,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125490 states to 125490 states and 735620 transitions. [2021-10-13 19:33:10,801 INFO L78 Accepts]: Start accepts. Automaton has 125490 states and 735620 transitions. Word has length 11 [2021-10-13 19:33:10,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 19:33:10,801 INFO L470 AbstractCegarLoop]: Abstraction has 125490 states and 735620 transitions. [2021-10-13 19:33:10,801 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 15 states have internal predecessors, (22), 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) [2021-10-13 19:33:10,801 INFO L276 IsEmpty]: Start isEmpty. Operand 125490 states and 735620 transitions. [2021-10-13 19:33:10,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-13 19:33:10,803 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 19:33:10,803 INFO L512 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 19:33:10,826 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2021-10-13 19:33:11,003 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,6 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 19:33:11,004 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting thread3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 32 more)] === [2021-10-13 19:33:11,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 19:33:11,005 INFO L82 PathProgramCache]: Analyzing trace with hash -150304498, now seen corresponding path program 2 times [2021-10-13 19:33:11,005 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 19:33:11,006 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [795597002] [2021-10-13 19:33:11,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 19:33:11,006 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 19:33:11,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 19:33:11,287 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 19:33:11,287 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 19:33:11,287 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [795597002] [2021-10-13 19:33:11,287 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [795597002] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 19:33:11,288 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [71805519] [2021-10-13 19:33:11,288 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-13 19:33:11,288 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 19:33:11,288 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-13 19:33:11,289 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 19:33:11,292 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-10-13 19:33:11,392 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-13 19:33:11,392 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-13 19:33:11,395 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 31 conjunts are in the unsatisfiable core [2021-10-13 19:33:11,396 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 19:33:11,499 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2021-10-13 19:33:11,567 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-10-13 19:33:11,568 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 25 [2021-10-13 19:33:11,657 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-10-13 19:33:11,658 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 25 [2021-10-13 19:33:11,718 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-10-13 19:33:11,719 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 25 [2021-10-13 19:33:11,769 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 27 [2021-10-13 19:33:11,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 19:33:11,777 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 22 [2021-10-13 19:33:11,799 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 19:33:11,799 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [71805519] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 19:33:11,799 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-13 19:33:11,799 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2021-10-13 19:33:11,800 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [544317142] [2021-10-13 19:33:11,801 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-10-13 19:33:11,801 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 19:33:11,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-10-13 19:33:11,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=196, Unknown=0, NotChecked=0, Total=240 [2021-10-13 19:33:11,803 INFO L87 Difference]: Start difference. First operand 125490 states and 735620 transitions. Second operand has 16 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 15 states have internal predecessors, (22), 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) [2021-10-13 19:33:15,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 19:33:15,942 INFO L93 Difference]: Finished difference Result 140342 states and 787901 transitions. [2021-10-13 19:33:15,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-13 19:33:15,943 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 15 states have internal predecessors, (22), 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 12 [2021-10-13 19:33:15,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 19:33:19,417 INFO L225 Difference]: With dead ends: 140342 [2021-10-13 19:33:19,418 INFO L226 Difference]: Without dead ends: 140342 [2021-10-13 19:33:19,422 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 305.0ms TimeCoverageRelationStatistics Valid=76, Invalid=266, Unknown=0, NotChecked=0, Total=342 [2021-10-13 19:33:20,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140342 states. [2021-10-13 19:33:29,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140342 to 125714. [2021-10-13 19:33:29,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125714 states, 125445 states have (on average 5.873729522898482) internal successors, (736830), 125713 states have internal predecessors, (736830), 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) [2021-10-13 19:33:31,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125714 states to 125714 states and 736830 transitions. [2021-10-13 19:33:31,878 INFO L78 Accepts]: Start accepts. Automaton has 125714 states and 736830 transitions. Word has length 12 [2021-10-13 19:33:31,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 19:33:31,878 INFO L470 AbstractCegarLoop]: Abstraction has 125714 states and 736830 transitions. [2021-10-13 19:33:31,878 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 15 states have internal predecessors, (22), 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) [2021-10-13 19:33:31,878 INFO L276 IsEmpty]: Start isEmpty. Operand 125714 states and 736830 transitions. [2021-10-13 19:33:31,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-13 19:33:31,880 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 19:33:31,880 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 19:33:31,907 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-10-13 19:33:32,091 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-10-13 19:33:32,092 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting thread4Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 32 more)] === [2021-10-13 19:33:32,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 19:33:32,094 INFO L82 PathProgramCache]: Analyzing trace with hash -1360380480, now seen corresponding path program 1 times [2021-10-13 19:33:32,094 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 19:33:32,094 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [298056706] [2021-10-13 19:33:32,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 19:33:32,095 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 19:33:32,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 19:33:32,347 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 19:33:32,348 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 19:33:32,348 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [298056706] [2021-10-13 19:33:32,348 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [298056706] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 19:33:32,348 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1403913274] [2021-10-13 19:33:32,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 19:33:32,349 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 19:33:32,349 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-13 19:33:32,350 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 19:33:32,365 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-10-13 19:33:32,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 19:33:32,468 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 26 conjunts are in the unsatisfiable core [2021-10-13 19:33:32,469 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 19:33:32,529 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-10-13 19:33:32,584 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-10-13 19:33:32,584 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 23 [2021-10-13 19:33:32,653 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-10-13 19:33:32,654 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 23 [2021-10-13 19:33:32,720 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-10-13 19:33:32,721 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 23 [2021-10-13 19:33:32,778 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-10-13 19:33:32,778 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 23 [2021-10-13 19:33:33,311 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 19:33:33,311 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1403913274] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 19:33:33,311 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-13 19:33:33,311 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 14 [2021-10-13 19:33:33,312 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1433562820] [2021-10-13 19:33:33,312 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-10-13 19:33:33,313 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 19:33:33,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-10-13 19:33:33,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=194, Unknown=0, NotChecked=0, Total=240 [2021-10-13 19:33:33,314 INFO L87 Difference]: Start difference. First operand 125714 states and 736830 transitions. Second operand has 16 states, 15 states have (on average 1.6) internal successors, (24), 15 states have internal predecessors, (24), 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) [2021-10-13 19:33:37,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 19:33:37,174 INFO L93 Difference]: Finished difference Result 131986 states and 772278 transitions. [2021-10-13 19:33:37,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-13 19:33:37,175 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 1.6) internal successors, (24), 15 states have internal predecessors, (24), 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 12 [2021-10-13 19:33:37,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 19:33:39,576 INFO L225 Difference]: With dead ends: 131986 [2021-10-13 19:33:39,577 INFO L226 Difference]: Without dead ends: 131986 [2021-10-13 19:33:39,577 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 899.9ms TimeCoverageRelationStatistics Valid=83, Invalid=297, Unknown=0, NotChecked=0, Total=380 [2021-10-13 19:33:39,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131986 states. [2021-10-13 19:33:46,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131986 to 127954. [2021-10-13 19:33:47,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127954 states, 127685 states have (on average 5.902290793750245) internal successors, (753634), 127953 states have internal predecessors, (753634), 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) [2021-10-13 19:33:49,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127954 states to 127954 states and 753634 transitions. [2021-10-13 19:33:49,405 INFO L78 Accepts]: Start accepts. Automaton has 127954 states and 753634 transitions. Word has length 12 [2021-10-13 19:33:49,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 19:33:49,406 INFO L470 AbstractCegarLoop]: Abstraction has 127954 states and 753634 transitions. [2021-10-13 19:33:49,406 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 1.6) internal successors, (24), 15 states have internal predecessors, (24), 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) [2021-10-13 19:33:49,406 INFO L276 IsEmpty]: Start isEmpty. Operand 127954 states and 753634 transitions. [2021-10-13 19:33:49,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-13 19:33:49,408 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 19:33:49,408 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 19:33:49,437 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2021-10-13 19:33:49,621 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-10-13 19:33:49,622 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting thread4Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 32 more)] === [2021-10-13 19:33:49,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 19:33:49,623 INFO L82 PathProgramCache]: Analyzing trace with hash -1360380479, now seen corresponding path program 1 times [2021-10-13 19:33:49,623 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 19:33:49,624 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [70944342] [2021-10-13 19:33:49,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 19:33:49,624 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 19:33:49,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 19:33:49,660 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 19:33:49,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 19:33:49,728 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 19:33:49,729 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-13 19:33:49,730 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location thread4Err1ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-13 19:33:49,732 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-13 19:33:49,733 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-13 19:33:49,733 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-13 19:33:49,733 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-13 19:33:49,733 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-13 19:33:49,734 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-13 19:33:49,734 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err2ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-13 19:33:49,734 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err3ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-13 19:33:49,734 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-13 19:33:49,734 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-13 19:33:49,734 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-13 19:33:49,735 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION [2021-10-13 19:33:49,735 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATION [2021-10-13 19:33:49,735 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3INUSE_VIOLATION [2021-10-13 19:33:49,735 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4INUSE_VIOLATION [2021-10-13 19:33:49,735 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread4Err0ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-13 19:33:49,735 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread4Err1ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-13 19:33:49,736 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread4Err2ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-13 19:33:49,736 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread4Err3ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-13 19:33:49,738 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread5Err0ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-13 19:33:49,738 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread5Err1ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-13 19:33:49,739 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-13 19:33:49,739 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-13 19:33:49,739 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-13 19:33:49,739 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-13 19:33:49,739 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-13 19:33:49,740 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-13 19:33:49,740 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err2ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-13 19:33:49,740 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err3ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-13 19:33:49,740 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread4Err0ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-13 19:33:49,740 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread4Err2ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-13 19:33:49,741 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread4Err3ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-13 19:33:49,741 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread5Err0ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-13 19:33:49,741 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread5Err1ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-13 19:33:49,741 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-10-13 19:33:49,752 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-13 19:33:49,752 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-13 19:33:49,834 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 07:33:49 BasicIcfg [2021-10-13 19:33:49,834 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-13 19:33:49,835 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 19:33:49,835 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 19:33:49,835 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 19:33:49,836 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:31:00" (3/4) ... [2021-10-13 19:33:49,838 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-13 19:33:49,900 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/weaver/popl20-min-max-inc-dec.wvr.c-witness.graphml [2021-10-13 19:33:49,901 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 19:33:49,902 INFO L168 Benchmark]: Toolchain (without parser) took 171038.56 ms. Allocated memory was 165.7 MB in the beginning and 8.0 GB in the end (delta: 7.8 GB). Free memory was 139.0 MB in the beginning and 4.3 GB in the end (delta: -4.1 GB). Peak memory consumption was 3.7 GB. Max. memory is 8.0 GB. [2021-10-13 19:33:49,902 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 165.7 MB. Free memory is still 135.6 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-10-13 19:33:49,902 INFO L168 Benchmark]: CACSL2BoogieTranslator took 374.28 ms. Allocated memory is still 165.7 MB. Free memory was 138.8 MB in the beginning and 126.9 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2021-10-13 19:33:49,903 INFO L168 Benchmark]: Boogie Procedure Inliner took 99.83 ms. Allocated memory is still 165.7 MB. Free memory was 126.9 MB in the beginning and 124.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-10-13 19:33:49,903 INFO L168 Benchmark]: Boogie Preprocessor took 86.71 ms. Allocated memory is still 165.7 MB. Free memory was 124.8 MB in the beginning and 122.9 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-10-13 19:33:49,904 INFO L168 Benchmark]: RCFGBuilder took 1116.08 ms. Allocated memory is still 165.7 MB. Free memory was 122.9 MB in the beginning and 130.0 MB in the end (delta: -7.1 MB). Peak memory consumption was 19.1 MB. Max. memory is 8.0 GB. [2021-10-13 19:33:49,904 INFO L168 Benchmark]: TraceAbstraction took 169276.37 ms. Allocated memory was 165.7 MB in the beginning and 8.0 GB in the end (delta: 7.8 GB). Free memory was 129.5 MB in the beginning and 4.3 GB in the end (delta: -4.1 GB). Peak memory consumption was 3.7 GB. Max. memory is 8.0 GB. [2021-10-13 19:33:49,905 INFO L168 Benchmark]: Witness Printer took 65.69 ms. Allocated memory is still 8.0 GB. Free memory was 4.3 GB in the beginning and 4.3 GB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. [2021-10-13 19:33:49,907 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 165.7 MB. Free memory is still 135.6 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 374.28 ms. Allocated memory is still 165.7 MB. Free memory was 138.8 MB in the beginning and 126.9 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 99.83 ms. Allocated memory is still 165.7 MB. Free memory was 126.9 MB in the beginning and 124.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 86.71 ms. Allocated memory is still 165.7 MB. Free memory was 124.8 MB in the beginning and 122.9 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1116.08 ms. Allocated memory is still 165.7 MB. Free memory was 122.9 MB in the beginning and 130.0 MB in the end (delta: -7.1 MB). Peak memory consumption was 19.1 MB. Max. memory is 8.0 GB. * TraceAbstraction took 169276.37 ms. Allocated memory was 165.7 MB in the beginning and 8.0 GB in the end (delta: 7.8 GB). Free memory was 129.5 MB in the beginning and 4.3 GB in the end (delta: -4.1 GB). Peak memory consumption was 3.7 GB. Max. memory is 8.0 GB. * Witness Printer took 65.69 ms. Allocated memory is still 8.0 GB. Free memory was 4.3 GB in the beginning and 4.3 GB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 12400.5ms, 228 PlacesBefore, 79 PlacesAfterwards, 228 TransitionsBefore, 70 TransitionsAfterwards, 10438 CoEnabledTransitionPairs, 8 FixpointIterations, 85 TrivialSequentialCompositions, 83 ConcurrentSequentialCompositions, 22 TrivialYvCompositions, 14 ConcurrentYvCompositions, 9 ChoiceCompositions, 213 TotalNumberOfCompositions, 20537 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 12263, positive: 11992, positive conditional: 0, positive unconditional: 11992, negative: 271, negative conditional: 0, negative unconditional: 271, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 6622, positive: 6549, positive conditional: 0, positive unconditional: 6549, negative: 73, negative conditional: 0, negative unconditional: 73, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 6622, positive: 6534, positive conditional: 0, positive unconditional: 6534, negative: 88, negative conditional: 0, negative unconditional: 88, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 88, positive: 15, positive conditional: 0, positive unconditional: 15, negative: 73, negative conditional: 0, negative unconditional: 73, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 348, positive: 58, positive conditional: 0, positive unconditional: 58, negative: 289, negative conditional: 0, negative unconditional: 289, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 12263, positive: 5443, positive conditional: 0, positive unconditional: 5443, negative: 198, negative conditional: 0, negative unconditional: 198, unknown: 6622, unknown conditional: 0, unknown unconditional: 6622] , Statistics on independence cache: Total cache size (in pairs): 610, Positive cache size: 581, Positive conditional cache size: 0, Positive unconditional cache size: 581, Negative cache size: 29, Negative conditional cache size: 0, Negative unconditional cache size: 29 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 83]: integer overflow possible integer overflow possible We found a FailurePath: [L41] 0 int* A; [L42] 0 int min, max, N; [L43] 0 _Bool v_assert, b1, b2; [L100] 0 pthread_t t1, t2, t3, t4, t5; [L102] 0 N = __VERIFIER_nondet_int() [L38] COND FALSE 0 !(!cond) [L38] COND FALSE 0 !(!cond) [L38] COND FALSE 0 !(!cond) [L128] 0 int* arr = (int*)malloc(sizeof(int) * (size_t)size); [L129] 0 int i = 0; VAL [A={0:0}, b1=0, b2=0, max=0, min=0, N=1, v_assert=0] [L129] COND TRUE 0 i < size [L130] 0 arr[i] = __VERIFIER_nondet_int() [L129] 0 i++ VAL [A={0:0}, b1=0, b2=0, max=0, min=0, N=1, v_assert=0] [L129] COND FALSE 0 !(i < size) [L132] 0 return arr; [L104] 0 A = create_fresh_int_array(N) [L107] FCALL, FORK 0 pthread_create(&t1, 0, thread1, 0) VAL [A={3:0}, b1=0, b2=0, max=0, min=0, N=1, v_assert=0] [L108] FCALL, FORK 0 pthread_create(&t2, 0, thread2, 0) VAL [A={3:0}, b1=0, b2=0, max=0, min=0, N=1, v_assert=0] [L109] FCALL, FORK 0 pthread_create(&t3, 0, thread3, 0) VAL [A={3:0}, b1=0, b2=0, max=0, min=0, N=1, v_assert=0] [L110] FCALL, FORK 0 pthread_create(&t4, 0, thread4, 0) VAL [A={3:0}, b1=0, b2=0, max=0, min=0, N=1, v_assert=0] [L80] 4 int i=0; VAL [A={3:0}, b1=0, b2=0, max=0, min=0, N=1, v_assert=0] [L80] COND TRUE 4 i