/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-bad-commit-1.wvr-bad.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-c503be2 [2021-10-13 19:19:26,149 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 19:19:26,152 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 19:19:26,187 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 19:19:26,188 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 19:19:26,189 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 19:19:26,191 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 19:19:26,194 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 19:19:26,196 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 19:19:26,197 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 19:19:26,199 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 19:19:26,200 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 19:19:26,201 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 19:19:26,202 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 19:19:26,204 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 19:19:26,206 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 19:19:26,207 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 19:19:26,219 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 19:19:26,222 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 19:19:26,232 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 19:19:26,235 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 19:19:26,236 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 19:19:26,239 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 19:19:26,240 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 19:19:26,248 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-10-13 19:19:26,257 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 19:19:26,258 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 19:19:26,260 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 19:19:26,261 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 19:19:26,263 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 19:19:26,264 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 19:19:26,265 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 19:19:26,265 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 19:19:26,265 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 19:19:26,266 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 19:19:26,268 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 19:19:26,274 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 19:19:26,336 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 19:19:26,337 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 19:19:26,337 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 19:19:26,337 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 19:19:26,342 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 19:19:26,343 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 19:19:26,343 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 19:19:26,344 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 19:19:26,345 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 19:19:26,345 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 19:19:26,345 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 19:19:26,345 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 19:19:26,346 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 19:19:26,346 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 19:19:26,346 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 19:19:26,346 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 19:19:26,346 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-10-13 19:19:26,347 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 19:19:26,348 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 19:19:26,349 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 19:19:26,349 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 19:19:26,349 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 19:19:26,349 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 19:19:26,350 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 19:19:26,350 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 19:19:26,353 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 19:19:26,353 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 19:19:26,354 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 19:19:26,354 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-13 19:19:26,354 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 19:19:26,354 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 19:19:26,354 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 19:19:26,355 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-10-13 19:19:26,760 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 19:19:26,786 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 19:19:26,789 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 19:19:26,791 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 19:19:26,795 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 19:19:26,796 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/popl20-bad-commit-1.wvr-bad.c [2021-10-13 19:19:26,898 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1147ce269/a60d48a1755c44a1b7d2420d82e8f45f/FLAG249dcde0b [2021-10-13 19:19:27,666 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 19:19:27,667 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/weaver/popl20-bad-commit-1.wvr-bad.c [2021-10-13 19:19:27,677 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1147ce269/a60d48a1755c44a1b7d2420d82e8f45f/FLAG249dcde0b [2021-10-13 19:19:27,987 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1147ce269/a60d48a1755c44a1b7d2420d82e8f45f [2021-10-13 19:19:27,990 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 19:19:27,999 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 19:19:28,002 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 19:19:28,002 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 19:19:28,006 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 19:19:28,008 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:19:27" (1/1) ... [2021-10-13 19:19:28,011 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e212248 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:19:28, skipping insertion in model container [2021-10-13 19:19:28,012 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:19:27" (1/1) ... [2021-10-13 19:19:28,021 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 19:19:28,071 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 19:19:28,287 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-bad-commit-1.wvr-bad.c[5161,5174] [2021-10-13 19:19:28,294 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 19:19:28,305 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 19:19:28,345 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-bad-commit-1.wvr-bad.c[5161,5174] [2021-10-13 19:19:28,349 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 19:19:28,369 INFO L208 MainTranslator]: Completed translation [2021-10-13 19:19:28,369 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:19:28 WrapperNode [2021-10-13 19:19:28,370 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 19:19:28,371 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 19:19:28,371 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 19:19:28,372 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 19:19:28,381 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:19:28" (1/1) ... [2021-10-13 19:19:28,395 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:19:28" (1/1) ... [2021-10-13 19:19:28,438 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 19:19:28,439 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 19:19:28,440 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 19:19:28,440 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 19:19:28,454 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:19:28" (1/1) ... [2021-10-13 19:19:28,455 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:19:28" (1/1) ... [2021-10-13 19:19:28,462 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:19:28" (1/1) ... [2021-10-13 19:19:28,463 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:19:28" (1/1) ... [2021-10-13 19:19:28,479 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:19:28" (1/1) ... [2021-10-13 19:19:28,488 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:19:28" (1/1) ... [2021-10-13 19:19:28,492 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:19:28" (1/1) ... [2021-10-13 19:19:28,499 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 19:19:28,501 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 19:19:28,501 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 19:19:28,501 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 19:19:28,503 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:19:28" (1/1) ... [2021-10-13 19:19:28,512 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 19:19:28,540 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-13 19:19:28,559 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 19:19:28,584 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 19:19:28,638 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-10-13 19:19:28,638 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-10-13 19:19:28,638 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-10-13 19:19:28,638 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-10-13 19:19:28,639 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-10-13 19:19:28,639 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-10-13 19:19:28,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-13 19:19:28,639 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 19:19:28,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-13 19:19:28,639 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-10-13 19:19:28,640 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-10-13 19:19:28,640 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-13 19:19:28,640 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 19:19:28,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 19:19:28,640 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-13 19:19:28,641 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-13 19:19:28,643 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 19:19:29,954 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 19:19:29,955 INFO L299 CfgBuilder]: Removed 54 assume(true) statements. [2021-10-13 19:19:29,958 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:19:29 BoogieIcfgContainer [2021-10-13 19:19:29,958 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 19:19:29,960 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 19:19:29,961 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 19:19:29,965 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 19:19:29,965 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 07:19:27" (1/3) ... [2021-10-13 19:19:29,966 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@651ea74b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:19:29, skipping insertion in model container [2021-10-13 19:19:29,966 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:19:28" (2/3) ... [2021-10-13 19:19:29,967 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@651ea74b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:19:29, skipping insertion in model container [2021-10-13 19:19:29,967 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:19:29" (3/3) ... [2021-10-13 19:19:29,969 INFO L111 eAbstractionObserver]: Analyzing ICFG popl20-bad-commit-1.wvr-bad.c [2021-10-13 19:19:29,976 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-13 19:19:29,976 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 19:19:29,976 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 22 error locations. [2021-10-13 19:19:29,976 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-13 19:19:30,023 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,023 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,024 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,024 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,024 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,025 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,025 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,025 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,025 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,026 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,026 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,026 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,027 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,027 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,027 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,027 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,028 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,028 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,028 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,029 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,029 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,029 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,029 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,030 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,030 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,030 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,030 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,031 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,031 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,031 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,031 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,032 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,032 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,032 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,033 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,033 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,033 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,034 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,034 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,034 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,035 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,035 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,035 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,035 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,036 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,036 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,037 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,037 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,037 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,037 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,038 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,038 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,038 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,038 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,039 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,039 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,040 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,040 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,040 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,040 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,041 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,041 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,041 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,042 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,042 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,042 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,042 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,043 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,043 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,043 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,044 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,044 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,044 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,044 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,044 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,045 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,045 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,045 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,045 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,046 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,046 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,046 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,047 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,047 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,048 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,048 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,048 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,048 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,049 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,049 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,049 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,049 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,050 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,050 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,050 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,051 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,051 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,051 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,051 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,052 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,052 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,052 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,052 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,053 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,053 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,053 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,054 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,054 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,055 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,055 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,055 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,056 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,056 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,056 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,056 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,057 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,057 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,057 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,058 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,058 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,058 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,058 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,059 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,059 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,059 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,059 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,059 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,060 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,060 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,061 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,061 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,061 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,061 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,062 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,062 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,062 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,063 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,063 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,063 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,063 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,064 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,064 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,064 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,064 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,065 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,065 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,066 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,066 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,066 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,066 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,067 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,067 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,067 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,067 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,068 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,068 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,068 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,068 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,069 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,069 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,069 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,069 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,069 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,070 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,070 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,070 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,070 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,071 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,072 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,072 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,072 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,072 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,073 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,073 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,073 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,073 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,074 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,074 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,074 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,074 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,075 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,075 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,075 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,075 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,076 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,076 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,076 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,076 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,077 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,077 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,077 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,078 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,078 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,078 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,078 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,078 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,079 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,079 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,079 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,079 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,080 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,080 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,080 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,080 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,081 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,081 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,081 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,082 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,082 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,082 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,082 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,083 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,083 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,083 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,083 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,084 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,084 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,084 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,084 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,085 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,085 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,085 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,085 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,086 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,086 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,086 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,086 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,087 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,090 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,091 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,091 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,091 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,092 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,092 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,092 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,092 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,093 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,095 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,095 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,095 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,096 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,096 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,096 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,096 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,097 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,097 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,097 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,097 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,098 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,098 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,100 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,100 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,100 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,100 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,101 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,101 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,101 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,101 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,102 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:19:30,109 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-10-13 19:19:30,169 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 19:19:30,178 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 19:19:30,178 INFO L340 AbstractCegarLoop]: Starting to check reachability of 41 error locations. [2021-10-13 19:19:30,202 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-10-13 19:19:30,216 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 259 places, 276 transitions, 576 flow [2021-10-13 19:19:30,220 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 259 places, 276 transitions, 576 flow [2021-10-13 19:19:30,222 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 259 places, 276 transitions, 576 flow [2021-10-13 19:19:30,391 INFO L129 PetriNetUnfolder]: 27/273 cut-off events. [2021-10-13 19:19:30,392 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-10-13 19:19:30,402 INFO L84 FinitePrefix]: Finished finitePrefix Result has 286 conditions, 273 events. 27/273 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 293 event pairs, 0 based on Foata normal form. 0/224 useless extension candidates. Maximal degree in co-relation 232. Up to 6 conditions per place. [2021-10-13 19:19:30,413 INFO L116 LiptonReduction]: Number of co-enabled transitions 3938 [2021-10-13 19:19:45,237 INFO L131 LiptonReduction]: Checked pairs total: 5415 [2021-10-13 19:19:45,237 INFO L133 LiptonReduction]: Total number of compositions: 330 [2021-10-13 19:19:45,248 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 54 places, 50 transitions, 124 flow [2021-10-13 19:19:45,319 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 949 states, 719 states have (on average 4.390820584144645) internal successors, (3157), 948 states have internal predecessors, (3157), 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 19:19:45,325 INFO L276 IsEmpty]: Start isEmpty. Operand has 949 states, 719 states have (on average 4.390820584144645) internal successors, (3157), 948 states have internal predecessors, (3157), 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 19:19:45,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2021-10-13 19:19:45,333 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 19:19:45,334 INFO L512 BasicCegarLoop]: trace histogram [1, 1] [2021-10-13 19:19:45,334 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2021-10-13 19:19:45,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 19:19:45,341 INFO L82 PathProgramCache]: Analyzing trace with hash 45347, now seen corresponding path program 1 times [2021-10-13 19:19:45,351 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 19:19:45,352 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [341403748] [2021-10-13 19:19:45,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 19:19:45,353 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 19:19:45,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 19:19:45,631 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 19:19:45,632 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 19:19:45,632 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [341403748] [2021-10-13 19:19:45,633 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [341403748] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 19:19:45,634 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 19:19:45,634 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-10-13 19:19:45,636 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [448023164] [2021-10-13 19:19:45,641 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 19:19:45,642 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 19:19:45,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 19:19:45,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 19:19:45,664 INFO L87 Difference]: Start difference. First operand has 949 states, 719 states have (on average 4.390820584144645) internal successors, (3157), 948 states have internal predecessors, (3157), 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 19:19:45,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 19:19:45,771 INFO L93 Difference]: Finished difference Result 587 states and 1891 transitions. [2021-10-13 19:19:45,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 19:19:45,776 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 19:19:45,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 19:19:45,818 INFO L225 Difference]: With dead ends: 587 [2021-10-13 19:19:45,819 INFO L226 Difference]: Without dead ends: 587 [2021-10-13 19:19:45,820 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.1ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 19:19:45,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 587 states. [2021-10-13 19:19:45,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 587 to 300. [2021-10-13 19:19:45,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 300 states, 250 states have (on average 3.82) internal successors, (955), 299 states have internal predecessors, (955), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 19:19:45,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 300 states and 955 transitions. [2021-10-13 19:19:45,943 INFO L78 Accepts]: Start accepts. Automaton has 300 states and 955 transitions. Word has length 2 [2021-10-13 19:19:45,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 19:19:45,944 INFO L470 AbstractCegarLoop]: Abstraction has 300 states and 955 transitions. [2021-10-13 19:19:45,944 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 19:19:45,944 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 955 transitions. [2021-10-13 19:19:45,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-10-13 19:19:45,945 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 19:19:45,945 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1] [2021-10-13 19:19:45,946 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-13 19:19:45,946 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2021-10-13 19:19:45,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 19:19:45,947 INFO L82 PathProgramCache]: Analyzing trace with hash 1407146, now seen corresponding path program 1 times [2021-10-13 19:19:45,947 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 19:19:45,947 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1508416042] [2021-10-13 19:19:45,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 19:19:45,952 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 19:19:46,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 19:19:46,048 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 19:19:46,048 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 19:19:46,048 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1508416042] [2021-10-13 19:19:46,049 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1508416042] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 19:19:46,049 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [336424803] [2021-10-13 19:19:46,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 19:19:46,050 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 19:19:46,050 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-13 19:19:46,052 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 19:19:46,080 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 19:19:46,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 19:19:46,141 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-13 19:19:46,146 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 19:19:46,194 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 19:19:46,194 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [336424803] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 19:19:46,194 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-13 19:19:46,195 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 3 [2021-10-13 19:19:46,196 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1730534658] [2021-10-13 19:19:46,196 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 19:19:46,197 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 19:19:46,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 19:19:46,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-13 19:19:46,198 INFO L87 Difference]: Start difference. First operand 300 states and 955 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 19:19:46,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 19:19:46,256 INFO L93 Difference]: Finished difference Result 584 states and 1888 transitions. [2021-10-13 19:19:46,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 19:19:46,256 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 19:19:46,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 19:19:46,263 INFO L225 Difference]: With dead ends: 584 [2021-10-13 19:19:46,264 INFO L226 Difference]: Without dead ends: 584 [2021-10-13 19:19:46,265 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.5ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-13 19:19:46,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 584 states. [2021-10-13 19:19:46,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 584 to 297. [2021-10-13 19:19:46,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 297 states, 250 states have (on average 3.808) internal successors, (952), 296 states have internal predecessors, (952), 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 19:19:46,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 952 transitions. [2021-10-13 19:19:46,313 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 952 transitions. Word has length 3 [2021-10-13 19:19:46,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 19:19:46,313 INFO L470 AbstractCegarLoop]: Abstraction has 297 states and 952 transitions. [2021-10-13 19:19:46,314 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 19:19:46,314 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 952 transitions. [2021-10-13 19:19:46,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-10-13 19:19:46,315 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 19:19:46,315 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1] [2021-10-13 19:19:46,367 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 19:19:46,528 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 19:19:46,529 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2021-10-13 19:19:46,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 19:19:46,531 INFO L82 PathProgramCache]: Analyzing trace with hash 1407114, now seen corresponding path program 1 times [2021-10-13 19:19:46,532 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 19:19:46,532 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1098491189] [2021-10-13 19:19:46,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 19:19:46,533 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 19:19:46,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 19:19:46,584 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 19:19:46,584 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 19:19:46,584 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1098491189] [2021-10-13 19:19:46,585 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1098491189] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 19:19:46,585 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [947404523] [2021-10-13 19:19:46,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 19:19:46,585 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 19:19:46,586 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-13 19:19:46,587 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 19:19:46,605 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 19:19:46,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 19:19:46,675 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-13 19:19:46,676 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 19:19:46,689 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 19:19:46,689 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [947404523] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 19:19:46,689 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-13 19:19:46,690 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 2] total 3 [2021-10-13 19:19:46,690 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1738483588] [2021-10-13 19:19:46,690 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 19:19:46,690 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 19:19:46,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 19:19:46,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-10-13 19:19:46,692 INFO L87 Difference]: Start difference. First operand 297 states and 952 transitions. Second operand has 5 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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 19:19:46,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 19:19:46,758 INFO L93 Difference]: Finished difference Result 874 states and 2830 transitions. [2021-10-13 19:19:46,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 19:19:46,759 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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 19:19:46,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 19:19:46,769 INFO L225 Difference]: With dead ends: 874 [2021-10-13 19:19:46,769 INFO L226 Difference]: Without dead ends: 874 [2021-10-13 19:19:46,769 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.0ms TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-10-13 19:19:46,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 874 states. [2021-10-13 19:19:46,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 874 to 300. [2021-10-13 19:19:46,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 300 states, 253 states have (on average 3.7865612648221343) internal successors, (958), 299 states have internal predecessors, (958), 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 19:19:46,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 300 states and 958 transitions. [2021-10-13 19:19:46,792 INFO L78 Accepts]: Start accepts. Automaton has 300 states and 958 transitions. Word has length 3 [2021-10-13 19:19:46,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 19:19:46,793 INFO L470 AbstractCegarLoop]: Abstraction has 300 states and 958 transitions. [2021-10-13 19:19:46,793 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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 19:19:46,793 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 958 transitions. [2021-10-13 19:19:46,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-13 19:19:46,794 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 19:19:46,794 INFO L512 BasicCegarLoop]: trace histogram [2, 1, 1] [2021-10-13 19:19:46,828 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 19:19:47,009 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 19:19:47,010 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2021-10-13 19:19:47,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 19:19:47,012 INFO L82 PathProgramCache]: Analyzing trace with hash 43622883, now seen corresponding path program 2 times [2021-10-13 19:19:47,012 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 19:19:47,013 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1293751372] [2021-10-13 19:19:47,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 19:19:47,013 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 19:19:47,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 19:19:47,117 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 19:19:47,118 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 19:19:47,118 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1293751372] [2021-10-13 19:19:47,118 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1293751372] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 19:19:47,119 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [320465726] [2021-10-13 19:19:47,119 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-13 19:19:47,119 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 19:19:47,119 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-13 19:19:47,120 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 19:19:47,121 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 19:19:47,196 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-10-13 19:19:47,197 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-13 19:19:47,198 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-13 19:19:47,199 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 19:19:47,221 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 19:19:47,221 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [320465726] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 19:19:47,222 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-13 19:19:47,222 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [3] total 4 [2021-10-13 19:19:47,222 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [434407975] [2021-10-13 19:19:47,223 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 19:19:47,223 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 19:19:47,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 19:19:47,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-10-13 19:19:47,224 INFO L87 Difference]: Start difference. First operand 300 states and 958 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 19:19:47,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 19:19:47,250 INFO L93 Difference]: Finished difference Result 297 states and 955 transitions. [2021-10-13 19:19:47,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 19:19:47,251 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 19:19:47,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 19:19:47,255 INFO L225 Difference]: With dead ends: 297 [2021-10-13 19:19:47,255 INFO L226 Difference]: Without dead ends: 297 [2021-10-13 19:19:47,255 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 15.8ms TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-10-13 19:19:47,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 297 states. [2021-10-13 19:19:47,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 297 to 291. [2021-10-13 19:19:47,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 291 states, 247 states have (on average 3.817813765182186) internal successors, (943), 290 states have internal predecessors, (943), 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 19:19:47,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 943 transitions. [2021-10-13 19:19:47,271 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 943 transitions. Word has length 4 [2021-10-13 19:19:47,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 19:19:47,271 INFO L470 AbstractCegarLoop]: Abstraction has 291 states and 943 transitions. [2021-10-13 19:19:47,272 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 19:19:47,272 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 943 transitions. [2021-10-13 19:19:47,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-13 19:19:47,272 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 19:19:47,273 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-10-13 19:19:47,325 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-10-13 19:19:47,495 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 19:19:47,496 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2021-10-13 19:19:47,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 19:19:47,498 INFO L82 PathProgramCache]: Analyzing trace with hash -1008758252, now seen corresponding path program 1 times [2021-10-13 19:19:47,498 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 19:19:47,499 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1158902572] [2021-10-13 19:19:47,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 19:19:47,499 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 19:19:47,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 19:19:47,597 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 19:19:47,598 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 19:19:47,598 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1158902572] [2021-10-13 19:19:47,598 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1158902572] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 19:19:47,599 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 19:19:47,599 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-10-13 19:19:47,599 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232123092] [2021-10-13 19:19:47,599 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 19:19:47,600 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 19:19:47,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 19:19:47,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 19:19:47,601 INFO L87 Difference]: Start difference. First operand 291 states and 943 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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 19:19:47,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 19:19:47,623 INFO L93 Difference]: Finished difference Result 409 states and 1360 transitions. [2021-10-13 19:19:47,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 19:19:47,624 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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 6 [2021-10-13 19:19:47,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 19:19:47,628 INFO L225 Difference]: With dead ends: 409 [2021-10-13 19:19:47,628 INFO L226 Difference]: Without dead ends: 409 [2021-10-13 19:19:47,629 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 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 19:19:47,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 409 states. [2021-10-13 19:19:47,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 409 to 333. [2021-10-13 19:19:47,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 333 states, 289 states have (on average 4.031141868512111) internal successors, (1165), 332 states have internal predecessors, (1165), 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 19:19:47,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 333 states and 1165 transitions. [2021-10-13 19:19:47,645 INFO L78 Accepts]: Start accepts. Automaton has 333 states and 1165 transitions. Word has length 6 [2021-10-13 19:19:47,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 19:19:47,647 INFO L470 AbstractCegarLoop]: Abstraction has 333 states and 1165 transitions. [2021-10-13 19:19:47,647 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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 19:19:47,647 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 1165 transitions. [2021-10-13 19:19:47,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-13 19:19:47,648 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 19:19:47,648 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-10-13 19:19:47,648 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-13 19:19:47,648 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2021-10-13 19:19:47,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 19:19:47,659 INFO L82 PathProgramCache]: Analyzing trace with hash -1008758282, now seen corresponding path program 1 times [2021-10-13 19:19:47,659 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 19:19:47,659 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2109783151] [2021-10-13 19:19:47,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 19:19:47,660 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 19:19:47,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 19:19:47,766 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 19:19:47,767 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 19:19:47,767 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2109783151] [2021-10-13 19:19:47,767 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2109783151] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 19:19:47,767 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 19:19:47,768 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-10-13 19:19:47,768 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [152262041] [2021-10-13 19:19:47,768 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 19:19:47,768 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 19:19:47,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 19:19:47,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 19:19:47,769 INFO L87 Difference]: Start difference. First operand 333 states and 1165 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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 19:19:47,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 19:19:47,805 INFO L93 Difference]: Finished difference Result 563 states and 1968 transitions. [2021-10-13 19:19:47,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 19:19:47,806 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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 6 [2021-10-13 19:19:47,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 19:19:47,812 INFO L225 Difference]: With dead ends: 563 [2021-10-13 19:19:47,812 INFO L226 Difference]: Without dead ends: 563 [2021-10-13 19:19:47,813 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 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 19:19:47,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 563 states. [2021-10-13 19:19:47,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 563 to 409. [2021-10-13 19:19:47,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 409 states, 365 states have (on average 4.336986301369863) internal successors, (1583), 408 states have internal predecessors, (1583), 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 19:19:47,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 409 states and 1583 transitions. [2021-10-13 19:19:47,834 INFO L78 Accepts]: Start accepts. Automaton has 409 states and 1583 transitions. Word has length 6 [2021-10-13 19:19:47,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 19:19:47,835 INFO L470 AbstractCegarLoop]: Abstraction has 409 states and 1583 transitions. [2021-10-13 19:19:47,835 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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 19:19:47,835 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 1583 transitions. [2021-10-13 19:19:47,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-13 19:19:47,836 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 19:19:47,836 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-13 19:19:47,836 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-13 19:19:47,836 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2021-10-13 19:19:47,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 19:19:47,837 INFO L82 PathProgramCache]: Analyzing trace with hash -1206732895, now seen corresponding path program 1 times [2021-10-13 19:19:47,837 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 19:19:47,837 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [870388773] [2021-10-13 19:19:47,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 19:19:47,838 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 19:19:47,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 19:19:47,901 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 19:19:47,901 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 19:19:47,902 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [870388773] [2021-10-13 19:19:47,902 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [870388773] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 19:19:47,902 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 19:19:47,902 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 19:19:47,902 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [718421700] [2021-10-13 19:19:47,903 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 19:19:47,903 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 19:19:47,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 19:19:47,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-13 19:19:47,904 INFO L87 Difference]: Start difference. First operand 409 states and 1583 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 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 19:19:47,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 19:19:47,961 INFO L93 Difference]: Finished difference Result 687 states and 2639 transitions. [2021-10-13 19:19:47,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 19:19:47,962 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 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 7 [2021-10-13 19:19:47,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 19:19:47,970 INFO L225 Difference]: With dead ends: 687 [2021-10-13 19:19:47,970 INFO L226 Difference]: Without dead ends: 687 [2021-10-13 19:19:47,971 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 11.5ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-13 19:19:47,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 687 states. [2021-10-13 19:19:47,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 687 to 587. [2021-10-13 19:19:47,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 587 states, 543 states have (on average 4.578268876611418) internal successors, (2486), 586 states have internal predecessors, (2486), 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 19:19:48,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 587 states and 2486 transitions. [2021-10-13 19:19:48,001 INFO L78 Accepts]: Start accepts. Automaton has 587 states and 2486 transitions. Word has length 7 [2021-10-13 19:19:48,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 19:19:48,002 INFO L470 AbstractCegarLoop]: Abstraction has 587 states and 2486 transitions. [2021-10-13 19:19:48,002 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 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 19:19:48,002 INFO L276 IsEmpty]: Start isEmpty. Operand 587 states and 2486 transitions. [2021-10-13 19:19:48,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-13 19:19:48,003 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 19:19:48,003 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-13 19:19:48,003 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-13 19:19:48,004 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting thread1Err6ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2021-10-13 19:19:48,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 19:19:48,004 INFO L82 PathProgramCache]: Analyzing trace with hash -1206732892, now seen corresponding path program 1 times [2021-10-13 19:19:48,005 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 19:19:48,005 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [425992983] [2021-10-13 19:19:48,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 19:19:48,005 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 19:19:48,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 19:19:48,063 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 19:19:48,063 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 19:19:48,064 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [425992983] [2021-10-13 19:19:48,064 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [425992983] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 19:19:48,064 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 19:19:48,064 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 19:19:48,064 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [696212238] [2021-10-13 19:19:48,065 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 19:19:48,065 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 19:19:48,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 19:19:48,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-13 19:19:48,066 INFO L87 Difference]: Start difference. First operand 587 states and 2486 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 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 19:19:48,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 19:19:48,123 INFO L93 Difference]: Finished difference Result 1012 states and 4226 transitions. [2021-10-13 19:19:48,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 19:19:48,123 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 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 7 [2021-10-13 19:19:48,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 19:19:48,135 INFO L225 Difference]: With dead ends: 1012 [2021-10-13 19:19:48,136 INFO L226 Difference]: Without dead ends: 1008 [2021-10-13 19:19:48,136 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.8ms TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-13 19:19:48,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1008 states. [2021-10-13 19:19:48,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1008 to 908. [2021-10-13 19:19:48,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 908 states, 864 states have (on average 4.652777777777778) internal successors, (4020), 907 states have internal predecessors, (4020), 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 19:19:48,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 908 states to 908 states and 4020 transitions. [2021-10-13 19:19:48,216 INFO L78 Accepts]: Start accepts. Automaton has 908 states and 4020 transitions. Word has length 7 [2021-10-13 19:19:48,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 19:19:48,217 INFO L470 AbstractCegarLoop]: Abstraction has 908 states and 4020 transitions. [2021-10-13 19:19:48,218 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 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 19:19:48,218 INFO L276 IsEmpty]: Start isEmpty. Operand 908 states and 4020 transitions. [2021-10-13 19:19:48,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-13 19:19:48,218 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 19:19:48,219 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 19:19:48,219 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-13 19:19:48,221 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2021-10-13 19:19:48,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 19:19:48,222 INFO L82 PathProgramCache]: Analyzing trace with hash 1220127254, now seen corresponding path program 1 times [2021-10-13 19:19:48,222 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 19:19:48,222 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [172975441] [2021-10-13 19:19:48,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 19:19:48,223 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 19:19:48,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 19:19:48,318 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-13 19:19:48,319 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 19:19:48,319 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [172975441] [2021-10-13 19:19:48,319 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [172975441] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 19:19:48,319 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [414142419] [2021-10-13 19:19:48,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 19:19:48,320 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 19:19:48,320 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-13 19:19:48,321 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 19:19:48,323 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 19:19:48,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 19:19:48,410 INFO L263 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-13 19:19:48,412 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 19:19:48,446 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-13 19:19:48,447 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [414142419] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 19:19:48,447 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-13 19:19:48,447 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2021-10-13 19:19:48,448 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [264873994] [2021-10-13 19:19:48,448 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 19:19:48,448 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 19:19:48,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 19:19:48,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-13 19:19:48,449 INFO L87 Difference]: Start difference. First operand 908 states and 4020 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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 19:19:48,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 19:19:48,476 INFO L93 Difference]: Finished difference Result 714 states and 3161 transitions. [2021-10-13 19:19:48,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 19:19:48,477 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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 8 [2021-10-13 19:19:48,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 19:19:48,486 INFO L225 Difference]: With dead ends: 714 [2021-10-13 19:19:48,487 INFO L226 Difference]: Without dead ends: 710 [2021-10-13 19:19:48,487 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 13.3ms TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-13 19:19:48,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 710 states. [2021-10-13 19:19:48,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 710 to 418. [2021-10-13 19:19:48,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 418 states, 395 states have (on average 4.253164556962025) internal successors, (1680), 417 states have internal predecessors, (1680), 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 19:19:48,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 418 states and 1680 transitions. [2021-10-13 19:19:48,513 INFO L78 Accepts]: Start accepts. Automaton has 418 states and 1680 transitions. Word has length 8 [2021-10-13 19:19:48,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 19:19:48,514 INFO L470 AbstractCegarLoop]: Abstraction has 418 states and 1680 transitions. [2021-10-13 19:19:48,514 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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 19:19:48,514 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 1680 transitions. [2021-10-13 19:19:48,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-13 19:19:48,516 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 19:19:48,516 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 19:19:48,555 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 19:19:48,730 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 19:19:48,730 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2021-10-13 19:19:48,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 19:19:48,731 INFO L82 PathProgramCache]: Analyzing trace with hash 1245916596, now seen corresponding path program 1 times [2021-10-13 19:19:48,731 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 19:19:48,732 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326047614] [2021-10-13 19:19:48,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 19:19:48,732 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 19:19:48,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 19:19:48,765 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 19:19:48,765 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 19:19:48,765 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1326047614] [2021-10-13 19:19:48,765 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1326047614] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 19:19:48,766 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 19:19:48,766 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-10-13 19:19:48,766 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893236760] [2021-10-13 19:19:48,766 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 19:19:48,766 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 19:19:48,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 19:19:48,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 19:19:48,767 INFO L87 Difference]: Start difference. First operand 418 states and 1680 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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 19:19:48,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 19:19:48,782 INFO L93 Difference]: Finished difference Result 554 states and 2175 transitions. [2021-10-13 19:19:48,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 19:19:48,782 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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 8 [2021-10-13 19:19:48,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 19:19:48,788 INFO L225 Difference]: With dead ends: 554 [2021-10-13 19:19:48,789 INFO L226 Difference]: Without dead ends: 554 [2021-10-13 19:19:48,789 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 19:19:48,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 554 states. [2021-10-13 19:19:48,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 554 to 468. [2021-10-13 19:19:48,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 468 states, 445 states have (on average 4.334831460674157) internal successors, (1929), 467 states have internal predecessors, (1929), 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 19:19:48,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 468 states and 1929 transitions. [2021-10-13 19:19:48,812 INFO L78 Accepts]: Start accepts. Automaton has 468 states and 1929 transitions. Word has length 8 [2021-10-13 19:19:48,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 19:19:48,812 INFO L470 AbstractCegarLoop]: Abstraction has 468 states and 1929 transitions. [2021-10-13 19:19:48,812 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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 19:19:48,812 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 1929 transitions. [2021-10-13 19:19:48,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-13 19:19:48,813 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 19:19:48,813 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 19:19:48,813 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-13 19:19:48,814 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err6ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2021-10-13 19:19:48,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 19:19:48,814 INFO L82 PathProgramCache]: Analyzing trace with hash -22008488, now seen corresponding path program 1 times [2021-10-13 19:19:48,815 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 19:19:48,815 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1350963213] [2021-10-13 19:19:48,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 19:19:48,815 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 19:19:48,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 19:19:48,885 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-13 19:19:48,885 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 19:19:48,885 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1350963213] [2021-10-13 19:19:48,886 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1350963213] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 19:19:48,886 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [360650132] [2021-10-13 19:19:48,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 19:19:48,886 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 19:19:48,886 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-13 19:19:48,887 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 19:19:48,911 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 19:19:48,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 19:19:48,978 INFO L263 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-13 19:19:48,979 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 19:19:49,006 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-13 19:19:49,006 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [360650132] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 19:19:49,006 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-13 19:19:49,006 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2021-10-13 19:19:49,009 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1733897677] [2021-10-13 19:19:49,010 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 19:19:49,010 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 19:19:49,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 19:19:49,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-13 19:19:49,011 INFO L87 Difference]: Start difference. First operand 468 states and 1929 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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 19:19:49,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 19:19:49,028 INFO L93 Difference]: Finished difference Result 368 states and 1529 transitions. [2021-10-13 19:19:49,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 19:19:49,029 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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 8 [2021-10-13 19:19:49,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 19:19:49,033 INFO L225 Difference]: With dead ends: 368 [2021-10-13 19:19:49,033 INFO L226 Difference]: Without dead ends: 364 [2021-10-13 19:19:49,034 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 12.5ms TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-13 19:19:49,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2021-10-13 19:19:49,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 213. [2021-10-13 19:19:49,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 213 states, 202 states have (on average 4.01980198019802) internal successors, (812), 212 states have internal predecessors, (812), 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 19:19:49,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 812 transitions. [2021-10-13 19:19:49,049 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 812 transitions. Word has length 8 [2021-10-13 19:19:49,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 19:19:49,049 INFO L470 AbstractCegarLoop]: Abstraction has 213 states and 812 transitions. [2021-10-13 19:19:49,049 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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 19:19:49,050 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 812 transitions. [2021-10-13 19:19:49,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-13 19:19:49,051 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 19:19:49,051 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 19:19:49,089 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-10-13 19:19:49,266 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,6 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 19:19:49,267 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2021-10-13 19:19:49,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 19:19:49,268 INFO L82 PathProgramCache]: Analyzing trace with hash -31288691, now seen corresponding path program 1 times [2021-10-13 19:19:49,269 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 19:19:49,269 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [938432475] [2021-10-13 19:19:49,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 19:19:49,270 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 19:19:49,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 19:19:49,407 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 19:19:49,408 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 19:19:49,408 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [938432475] [2021-10-13 19:19:49,408 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [938432475] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 19:19:49,408 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 19:19:49,409 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-13 19:19:49,409 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342248572] [2021-10-13 19:19:49,409 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-13 19:19:49,409 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 19:19:49,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-13 19:19:49,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-13 19:19:49,410 INFO L87 Difference]: Start difference. First operand 213 states and 812 transitions. Second operand has 6 states, 5 states have (on average 1.8) internal successors, (9), 5 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 19:19:49,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 19:19:49,558 INFO L93 Difference]: Finished difference Result 380 states and 1304 transitions. [2021-10-13 19:19:49,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-13 19:19:49,559 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 5 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 19:19:49,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 19:19:49,562 INFO L225 Difference]: With dead ends: 380 [2021-10-13 19:19:49,562 INFO L226 Difference]: Without dead ends: 292 [2021-10-13 19:19:49,563 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 52.6ms TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-10-13 19:19:49,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292 states. [2021-10-13 19:19:49,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 239. [2021-10-13 19:19:49,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 239 states, 228 states have (on average 3.8728070175438596) internal successors, (883), 238 states have internal predecessors, (883), 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 19:19:49,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 883 transitions. [2021-10-13 19:19:49,575 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 883 transitions. Word has length 9 [2021-10-13 19:19:49,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 19:19:49,575 INFO L470 AbstractCegarLoop]: Abstraction has 239 states and 883 transitions. [2021-10-13 19:19:49,575 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 5 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 19:19:49,575 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 883 transitions. [2021-10-13 19:19:49,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-13 19:19:49,576 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 19:19:49,576 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 19:19:49,576 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-10-13 19:19:49,577 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2021-10-13 19:19:49,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 19:19:49,577 INFO L82 PathProgramCache]: Analyzing trace with hash -960979616, now seen corresponding path program 1 times [2021-10-13 19:19:49,577 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 19:19:49,578 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [430166247] [2021-10-13 19:19:49,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 19:19:49,578 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 19:19:49,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 19:19:49,643 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 19:19:49,644 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 19:19:49,644 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [430166247] [2021-10-13 19:19:49,644 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [430166247] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 19:19:49,644 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [30572234] [2021-10-13 19:19:49,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 19:19:49,645 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 19:19:49,645 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-13 19:19:49,646 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 19:19:49,659 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 19:19:49,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 19:19:49,739 INFO L263 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-13 19:19:49,741 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 19:19:49,947 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 19:19:49,948 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [30572234] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 19:19:49,948 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-13 19:19:49,948 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 2] total 5 [2021-10-13 19:19:49,948 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42099942] [2021-10-13 19:19:49,949 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-13 19:19:49,949 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 19:19:49,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-13 19:19:49,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-10-13 19:19:49,950 INFO L87 Difference]: Start difference. First operand 239 states and 883 transitions. Second operand has 7 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 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 19:19:50,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 19:19:50,024 INFO L93 Difference]: Finished difference Result 619 states and 2088 transitions. [2021-10-13 19:19:50,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-13 19:19:50,025 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 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 19:19:50,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 19:19:50,032 INFO L225 Difference]: With dead ends: 619 [2021-10-13 19:19:50,032 INFO L226 Difference]: Without dead ends: 619 [2021-10-13 19:19:50,033 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 23.4ms TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-10-13 19:19:50,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 619 states. [2021-10-13 19:19:50,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 619 to 339. [2021-10-13 19:19:50,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 339 states, 328 states have (on average 4.1432926829268295) internal successors, (1359), 338 states have internal predecessors, (1359), 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 19:19:50,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 339 states and 1359 transitions. [2021-10-13 19:19:50,054 INFO L78 Accepts]: Start accepts. Automaton has 339 states and 1359 transitions. Word has length 10 [2021-10-13 19:19:50,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 19:19:50,054 INFO L470 AbstractCegarLoop]: Abstraction has 339 states and 1359 transitions. [2021-10-13 19:19:50,055 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 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 19:19:50,055 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 1359 transitions. [2021-10-13 19:19:50,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-13 19:19:50,056 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 19:19:50,056 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 19:19:50,096 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2021-10-13 19:19:50,270 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 19:19:50,271 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2021-10-13 19:19:50,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 19:19:50,272 INFO L82 PathProgramCache]: Analyzing trace with hash -960979640, now seen corresponding path program 1 times [2021-10-13 19:19:50,273 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 19:19:50,273 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1300486343] [2021-10-13 19:19:50,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 19:19:50,273 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 19:19:50,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 19:19:50,333 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 19:19:50,334 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 19:19:50,334 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1300486343] [2021-10-13 19:19:50,334 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1300486343] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 19:19:50,334 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 19:19:50,334 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-13 19:19:50,335 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1342593693] [2021-10-13 19:19:50,335 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 19:19:50,335 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 19:19:50,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 19:19:50,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-13 19:19:50,336 INFO L87 Difference]: Start difference. First operand 339 states and 1359 transitions. Second operand has 4 states, 3 states have (on average 3.3333333333333335) 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 19:19:50,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 19:19:50,426 INFO L93 Difference]: Finished difference Result 504 states and 1924 transitions. [2021-10-13 19:19:50,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 19:19:50,426 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) 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 19:19:50,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 19:19:50,431 INFO L225 Difference]: With dead ends: 504 [2021-10-13 19:19:50,431 INFO L226 Difference]: Without dead ends: 302 [2021-10-13 19:19:50,432 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 11.3ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-13 19:19:50,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2021-10-13 19:19:50,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 302. [2021-10-13 19:19:50,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 302 states, 291 states have (on average 4.257731958762887) internal successors, (1239), 301 states have internal predecessors, (1239), 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 19:19:50,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 1239 transitions. [2021-10-13 19:19:50,449 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 1239 transitions. Word has length 10 [2021-10-13 19:19:50,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 19:19:50,449 INFO L470 AbstractCegarLoop]: Abstraction has 302 states and 1239 transitions. [2021-10-13 19:19:50,450 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) 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 19:19:50,450 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 1239 transitions. [2021-10-13 19:19:50,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-13 19:19:50,451 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 19:19:50,451 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 19:19:50,451 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-10-13 19:19:50,451 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2021-10-13 19:19:50,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 19:19:50,452 INFO L82 PathProgramCache]: Analyzing trace with hash 1362007334, now seen corresponding path program 1 times [2021-10-13 19:19:50,452 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 19:19:50,452 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1663787981] [2021-10-13 19:19:50,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 19:19:50,453 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 19:19:50,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 19:19:50,575 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 19:19:50,575 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 19:19:50,575 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1663787981] [2021-10-13 19:19:50,575 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1663787981] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 19:19:50,575 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [891257610] [2021-10-13 19:19:50,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 19:19:50,576 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 19:19:50,576 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-13 19:19:50,577 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 19:19:50,603 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 19:19:50,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 19:19:50,681 INFO L263 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-13 19:19:50,683 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 19:19:50,779 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 19:19:50,780 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [891257610] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 19:19:50,780 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-13 19:19:50,780 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 8 [2021-10-13 19:19:50,780 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [855536705] [2021-10-13 19:19:50,781 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 19:19:50,781 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 19:19:50,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 19:19:50,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-10-13 19:19:50,782 INFO L87 Difference]: Start difference. First operand 302 states and 1239 transitions. Second operand has 4 states, 4 states have (on average 2.5) 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 19:19:50,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 19:19:50,802 INFO L93 Difference]: Finished difference Result 372 states and 1328 transitions. [2021-10-13 19:19:50,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 19:19:50,802 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.5) 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 19:19:50,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 19:19:50,806 INFO L225 Difference]: With dead ends: 372 [2021-10-13 19:19:50,807 INFO L226 Difference]: Without dead ends: 368 [2021-10-13 19:19:50,809 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 41.9ms TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-10-13 19:19:50,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 368 states. [2021-10-13 19:19:50,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 368 to 302. [2021-10-13 19:19:50,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 302 states, 291 states have (on average 3.993127147766323) internal successors, (1162), 301 states have internal predecessors, (1162), 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 19:19:50,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 1162 transitions. [2021-10-13 19:19:50,824 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 1162 transitions. Word has length 10 [2021-10-13 19:19:50,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 19:19:50,825 INFO L470 AbstractCegarLoop]: Abstraction has 302 states and 1162 transitions. [2021-10-13 19:19:50,825 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.5) 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 19:19:50,825 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 1162 transitions. [2021-10-13 19:19:50,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-13 19:19:50,826 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 19:19:50,826 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 19:19:50,873 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-10-13 19:19:51,039 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,SelfDestructingSolverStorable14 [2021-10-13 19:19:51,040 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 38 more)] === [2021-10-13 19:19:51,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 19:19:51,041 INFO L82 PathProgramCache]: Analyzing trace with hash -718475825, now seen corresponding path program 1 times [2021-10-13 19:19:51,041 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 19:19:51,042 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1928372929] [2021-10-13 19:19:51,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 19:19:51,042 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 19:19:51,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 19:19:51,098 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-13 19:19:51,098 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 19:19:51,099 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1928372929] [2021-10-13 19:19:51,099 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1928372929] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 19:19:51,099 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [995776737] [2021-10-13 19:19:51,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 19:19:51,099 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 19:19:51,100 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-13 19:19:51,101 INFO L229 MonitoredProcess]: Starting monitored process 9 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 19:19:51,129 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-10-13 19:19:51,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 19:19:51,288 INFO L263 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-13 19:19:51,290 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 19:19:51,317 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-13 19:19:51,317 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [995776737] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 19:19:51,317 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-13 19:19:51,317 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [3] total 4 [2021-10-13 19:19:51,317 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1166626883] [2021-10-13 19:19:51,318 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 19:19:51,318 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 19:19:51,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 19:19:51,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-13 19:19:51,319 INFO L87 Difference]: Start difference. First operand 302 states and 1162 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 2 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 19:19:51,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 19:19:51,333 INFO L93 Difference]: Finished difference Result 148 states and 537 transitions. [2021-10-13 19:19:51,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 19:19:51,334 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 2 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 19:19:51,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 19:19:51,334 INFO L225 Difference]: With dead ends: 148 [2021-10-13 19:19:51,334 INFO L226 Difference]: Without dead ends: 0 [2021-10-13 19:19:51,335 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 12.5ms TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-13 19:19:51,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-13 19:19:51,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-13 19:19:51,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 19:19:51,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-13 19:19:51,337 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 11 [2021-10-13 19:19:51,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 19:19:51,338 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 19:19:51,338 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 2 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 19:19:51,338 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-13 19:19:51,338 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-13 19:19:51,341 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-13 19:19:51,342 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-13 19:19:51,342 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-13 19:19:51,342 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-13 19:19:51,342 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-13 19:19:51,343 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-13 19:19:51,343 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-13 19:19:51,343 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-13 19:19:51,343 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-13 19:19:51,343 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-13 19:19:51,343 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-13 19:19:51,344 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-13 19:19:51,344 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-13 19:19:51,344 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-13 19:19:51,344 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-13 19:19:51,344 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-13 19:19:51,344 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-13 19:19:51,345 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-13 19:19:51,345 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-13 19:19:51,345 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-13 19:19:51,345 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-13 19:19:51,345 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-13 19:19:51,346 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-13 19:19:51,346 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION [2021-10-13 19:19:51,346 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATION [2021-10-13 19:19:51,346 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-13 19:19:51,346 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-13 19:19:51,346 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-13 19:19:51,347 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-13 19:19:51,347 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-13 19:19:51,347 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-13 19:19:51,347 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-13 19:19:51,347 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-13 19:19:51,348 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-13 19:19:51,348 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-13 19:19:51,348 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-13 19:19:51,348 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-13 19:19:51,348 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-13 19:19:51,348 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-13 19:19:51,349 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-13 19:19:51,349 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-13 19:19:51,389 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2021-10-13 19:19:51,564 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-10-13 19:19:51,573 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-13 19:19:51,573 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-13 19:19:51,578 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 07:19:51 BasicIcfg [2021-10-13 19:19:51,578 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-13 19:19:51,579 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 19:19:51,579 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 19:19:51,580 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 19:19:51,580 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:19:29" (3/4) ... [2021-10-13 19:19:51,583 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-13 19:19:51,590 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2021-10-13 19:19:51,590 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2021-10-13 19:19:51,590 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2021-10-13 19:19:51,600 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2021-10-13 19:19:51,600 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-13 19:19:51,601 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 19:19:51,601 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 19:19:51,688 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/weaver/popl20-bad-commit-1.wvr-bad.c-witness.graphml [2021-10-13 19:19:51,688 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 19:19:51,690 INFO L168 Benchmark]: Toolchain (without parser) took 23695.62 ms. Allocated memory was 161.5 MB in the beginning and 285.2 MB in the end (delta: 123.7 MB). Free memory was 136.6 MB in the beginning and 137.9 MB in the end (delta: -1.3 MB). Peak memory consumption was 122.8 MB. Max. memory is 8.0 GB. [2021-10-13 19:19:51,691 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 161.5 MB. Free memory is still 132.7 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-10-13 19:19:51,692 INFO L168 Benchmark]: CACSL2BoogieTranslator took 368.51 ms. Allocated memory is still 161.5 MB. Free memory was 136.4 MB in the beginning and 124.4 MB in the end (delta: 12.0 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. [2021-10-13 19:19:51,692 INFO L168 Benchmark]: Boogie Procedure Inliner took 67.42 ms. Allocated memory is still 161.5 MB. Free memory was 124.2 MB in the beginning and 121.0 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-10-13 19:19:51,693 INFO L168 Benchmark]: Boogie Preprocessor took 60.37 ms. Allocated memory is still 161.5 MB. Free memory was 121.0 MB in the beginning and 118.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-10-13 19:19:51,693 INFO L168 Benchmark]: RCFGBuilder took 1457.78 ms. Allocated memory is still 161.5 MB. Free memory was 118.7 MB in the beginning and 98.0 MB in the end (delta: 20.8 MB). Peak memory consumption was 21.2 MB. Max. memory is 8.0 GB. [2021-10-13 19:19:51,694 INFO L168 Benchmark]: TraceAbstraction took 21617.94 ms. Allocated memory was 161.5 MB in the beginning and 285.2 MB in the end (delta: 123.7 MB). Free memory was 98.0 MB in the beginning and 143.1 MB in the end (delta: -45.2 MB). Peak memory consumption was 78.6 MB. Max. memory is 8.0 GB. [2021-10-13 19:19:51,694 INFO L168 Benchmark]: Witness Printer took 108.89 ms. Allocated memory is still 285.2 MB. Free memory was 143.1 MB in the beginning and 137.9 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. [2021-10-13 19:19:51,697 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 161.5 MB. Free memory is still 132.7 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 368.51 ms. Allocated memory is still 161.5 MB. Free memory was 136.4 MB in the beginning and 124.4 MB in the end (delta: 12.0 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 67.42 ms. Allocated memory is still 161.5 MB. Free memory was 124.2 MB in the beginning and 121.0 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 60.37 ms. Allocated memory is still 161.5 MB. Free memory was 121.0 MB in the beginning and 118.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1457.78 ms. Allocated memory is still 161.5 MB. Free memory was 118.7 MB in the beginning and 98.0 MB in the end (delta: 20.8 MB). Peak memory consumption was 21.2 MB. Max. memory is 8.0 GB. * TraceAbstraction took 21617.94 ms. Allocated memory was 161.5 MB in the beginning and 285.2 MB in the end (delta: 123.7 MB). Free memory was 98.0 MB in the beginning and 143.1 MB in the end (delta: -45.2 MB). Peak memory consumption was 78.6 MB. Max. memory is 8.0 GB. * Witness Printer took 108.89 ms. Allocated memory is still 285.2 MB. Free memory was 143.1 MB in the beginning and 137.9 MB 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: 15017.8ms, 259 PlacesBefore, 54 PlacesAfterwards, 276 TransitionsBefore, 50 TransitionsAfterwards, 3938 CoEnabledTransitionPairs, 8 FixpointIterations, 183 TrivialSequentialCompositions, 86 ConcurrentSequentialCompositions, 30 TrivialYvCompositions, 10 ConcurrentYvCompositions, 21 ChoiceCompositions, 330 TotalNumberOfCompositions, 5415 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 5025, positive: 4995, positive conditional: 0, positive unconditional: 4995, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2248, positive: 2241, positive conditional: 0, positive unconditional: 2241, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2248, positive: 2241, positive conditional: 0, positive unconditional: 2241, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 7, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 31, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 31, negative conditional: 0, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 5025, positive: 2754, positive conditional: 0, positive unconditional: 2754, negative: 23, negative conditional: 0, negative unconditional: 23, unknown: 2248, unknown conditional: 0, unknown unconditional: 2248] , Statistics on independence cache: Total cache size (in pairs): 128, Positive cache size: 125, Positive conditional cache size: 0, Positive unconditional cache size: 125, Negative cache size: 3, Negative conditional cache size: 0, Negative unconditional cache size: 3 - 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 - PositiveResult [Line: 56]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 56]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 63]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 63]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 70]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 70]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 77]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 77]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 92]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 92]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 99]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 99]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 114]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 114]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 121]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 121]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 172]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 172]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 172]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 172]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 172]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 172]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 303 locations, 41 error locations. Started 1 CEGAR loops. OverallTime: 21403.1ms, OverallIterations: 16, TraceHistogramMax: 2, EmptinessCheckTime: 25.0ms, AutomataDifference: 1030.6ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 15140.9ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 447 SDtfs, 636 SDslu, 486 SDs, 0 SdLazy, 267 SolverSat, 107 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 468.2ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 97 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 225.6ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=949occurred in iteration=0, InterpolantAutomatonStates: 65, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 468.0ms AutomataMinimizationTime, 16 MinimizatonAttempts, 2512 StatesRemovedByMinimization, 14 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 170.8ms SsaConstructionTime, 682.5ms SatisfiabilityAnalysisTime, 1343.0ms InterpolantComputationTime, 169 NumberOfCodeBlocks, 167 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 145 ConstructedInterpolants, 0 QuantifiedInterpolants, 690 SizeOfPredicates, 22 NumberOfNonLiveVariables, 1417 ConjunctsInSsa, 37 ConjunctsInUnsatCore, 24 InterpolantComputations, 14 PerfectInterpolantSequences, 17/29 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 22 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2021-10-13 19:19:51,756 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...