/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-more-parray-copy.wvr.c
--------------------------------------------------------------------------------
This is Ultimate 0.2.1-dev-8c2bbc9
[2021-10-08 16:13:01,363 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2021-10-08 16:13:01,366 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2021-10-08 16:13:01,402 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-10-08 16:13:01,403 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-10-08 16:13:01,405 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-10-08 16:13:01,406 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-10-08 16:13:01,409 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2021-10-08 16:13:01,411 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-10-08 16:13:01,413 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-10-08 16:13:01,414 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2021-10-08 16:13:01,416 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-10-08 16:13:01,416 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-10-08 16:13:01,418 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-10-08 16:13:01,420 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-10-08 16:13:01,422 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-10-08 16:13:01,423 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-10-08 16:13:01,424 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-10-08 16:13:01,427 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-10-08 16:13:01,429 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2021-10-08 16:13:01,431 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-10-08 16:13:01,433 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-10-08 16:13:01,454 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2021-10-08 16:13:01,459 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-10-08 16:13:01,467 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-10-08 16:13:01,467 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-10-08 16:13:01,467 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-10-08 16:13:01,475 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-10-08 16:13:01,476 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-10-08 16:13:01,478 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-10-08 16:13:01,478 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-10-08 16:13:01,479 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-10-08 16:13:01,481 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-10-08 16:13:01,482 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2021-10-08 16:13:01,485 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-10-08 16:13:01,485 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2021-10-08 16:13:01,486 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2021-10-08 16:13:01,486 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2021-10-08 16:13:01,486 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2021-10-08 16:13:01,488 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2021-10-08 16:13:01,488 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2021-10-08 16:13:01,489 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf
[2021-10-08 16:13:01,558 INFO L113 SettingsManager]: Loading preferences was successful
[2021-10-08 16:13:01,559 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2021-10-08 16:13:01,560 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2021-10-08 16:13:01,560 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2021-10-08 16:13:01,565 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-10-08 16:13:01,565 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2021-10-08 16:13:01,565 INFO L138 SettingsManager]: * Use SBE=true
[2021-10-08 16:13:01,566 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-10-08 16:13:01,566 INFO L138 SettingsManager]: * sizeof long=4
[2021-10-08 16:13:01,566 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false
[2021-10-08 16:13:01,567 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2021-10-08 16:13:01,568 INFO L138 SettingsManager]: * sizeof POINTER=4
[2021-10-08 16:13:01,568 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2021-10-08 16:13:01,568 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2021-10-08 16:13:01,568 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-10-08 16:13:01,569 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2021-10-08 16:13:01,569 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true
[2021-10-08 16:13:01,569 INFO L138 SettingsManager]: * sizeof long double=12
[2021-10-08 16:13:01,569 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2021-10-08 16:13:01,570 INFO L138 SettingsManager]: * Use constant arrays=true
[2021-10-08 16:13:01,570 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2021-10-08 16:13:01,570 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-10-08 16:13:01,570 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2021-10-08 16:13:01,570 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2021-10-08 16:13:01,571 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-10-08 16:13:01,571 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-10-08 16:13:01,571 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2021-10-08 16:13:01,571 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2021-10-08 16:13:01,572 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2021-10-08 16:13:01,572 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2021-10-08 16:13:01,572 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2021-10-08 16:13:01,572 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2021-10-08 16:13:01,573 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2021-10-08 16:13:01,978 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2021-10-08 16:13:02,009 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-10-08 16:13:02,014 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-10-08 16:13:02,016 INFO L271 PluginConnector]: Initializing CDTParser...
[2021-10-08 16:13:02,016 INFO L275 PluginConnector]: CDTParser initialized
[2021-10-08 16:13:02,017 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/popl20-more-parray-copy.wvr.c
[2021-10-08 16:13:02,090 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8effaf856/fa6f295ca9114957a64f1ba2dd5227ed/FLAG97615e91f
[2021-10-08 16:13:02,779 INFO L306 CDTParser]: Found 1 translation units.
[2021-10-08 16:13:02,780 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/weaver/popl20-more-parray-copy.wvr.c
[2021-10-08 16:13:02,793 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8effaf856/fa6f295ca9114957a64f1ba2dd5227ed/FLAG97615e91f
[2021-10-08 16:13:03,139 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8effaf856/fa6f295ca9114957a64f1ba2dd5227ed
[2021-10-08 16:13:03,144 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-10-08 16:13:03,156 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements.
[2021-10-08 16:13:03,158 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-10-08 16:13:03,158 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-10-08 16:13:03,165 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2021-10-08 16:13:03,166 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.10 04:13:03" (1/1) ...
[2021-10-08 16:13:03,168 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d4e2365 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 04:13:03, skipping insertion in model container
[2021-10-08 16:13:03,169 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.10 04:13:03" (1/1) ...
[2021-10-08 16:13:03,178 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2021-10-08 16:13:03,208 INFO L178 MainTranslator]: Built tables and reachable declarations
[2021-10-08 16:13:03,405 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-more-parray-copy.wvr.c[2373,2386]
[2021-10-08 16:13:03,412 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-10-08 16:13:03,423 INFO L203 MainTranslator]: Completed pre-run
[2021-10-08 16:13:03,452 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-more-parray-copy.wvr.c[2373,2386]
[2021-10-08 16:13:03,457 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-10-08 16:13:03,474 INFO L208 MainTranslator]: Completed translation
[2021-10-08 16:13:03,475 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 04:13:03 WrapperNode
[2021-10-08 16:13:03,475 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-10-08 16:13:03,477 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-10-08 16:13:03,477 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-10-08 16:13:03,477 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2021-10-08 16:13:03,486 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 04:13:03" (1/1) ...
[2021-10-08 16:13:03,497 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 04:13:03" (1/1) ...
[2021-10-08 16:13:03,539 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-10-08 16:13:03,540 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-10-08 16:13:03,540 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2021-10-08 16:13:03,541 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2021-10-08 16:13:03,553 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 04:13:03" (1/1) ...
[2021-10-08 16:13:03,553 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 04:13:03" (1/1) ...
[2021-10-08 16:13:03,557 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 04:13:03" (1/1) ...
[2021-10-08 16:13:03,558 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 04:13:03" (1/1) ...
[2021-10-08 16:13:03,567 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 04:13:03" (1/1) ...
[2021-10-08 16:13:03,573 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 04:13:03" (1/1) ...
[2021-10-08 16:13:03,576 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 04:13:03" (1/1) ...
[2021-10-08 16:13:03,579 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-10-08 16:13:03,580 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-10-08 16:13:03,581 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2021-10-08 16:13:03,581 INFO L275 PluginConnector]: RCFGBuilder initialized
[2021-10-08 16:13:03,582 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 04:13:03" (1/1) ...
[2021-10-08 16:13:03,596 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-10-08 16:13:03,615 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3
[2021-10-08 16:13:03,630 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)
[2021-10-08 16:13:03,639 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
[2021-10-08 16:13:03,688 INFO L130 BoogieDeclarations]: Found specification of procedure thread1
[2021-10-08 16:13:03,688 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1
[2021-10-08 16:13:03,689 INFO L130 BoogieDeclarations]: Found specification of procedure thread2
[2021-10-08 16:13:03,689 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2
[2021-10-08 16:13:03,689 INFO L130 BoogieDeclarations]: Found specification of procedure thread3
[2021-10-08 16:13:03,689 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3
[2021-10-08 16:13:03,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2021-10-08 16:13:03,689 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2021-10-08 16:13:03,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2021-10-08 16:13:03,690 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2021-10-08 16:13:03,690 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-10-08 16:13:03,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-10-08 16:13:03,690 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2021-10-08 16:13:03,690 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2021-10-08 16:13:03,692 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2021-10-08 16:13:04,298 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-10-08 16:13:04,298 INFO L299 CfgBuilder]: Removed 27 assume(true) statements.
[2021-10-08 16:13:04,301 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.10 04:13:04 BoogieIcfgContainer
[2021-10-08 16:13:04,301 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-10-08 16:13:04,304 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2021-10-08 16:13:04,304 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2021-10-08 16:13:04,310 INFO L275 PluginConnector]: TraceAbstraction initialized
[2021-10-08 16:13:04,311 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.10 04:13:03" (1/3) ...
[2021-10-08 16:13:04,312 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7620e82a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.10 04:13:04, skipping insertion in model container
[2021-10-08 16:13:04,312 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 04:13:03" (2/3) ...
[2021-10-08 16:13:04,313 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7620e82a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.10 04:13:04, skipping insertion in model container
[2021-10-08 16:13:04,313 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.10 04:13:04" (3/3) ...
[2021-10-08 16:13:04,315 INFO L111 eAbstractionObserver]: Analyzing ICFG popl20-more-parray-copy.wvr.c
[2021-10-08 16:13:04,323 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2021-10-08 16:13:04,323 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2021-10-08 16:13:04,323 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations.
[2021-10-08 16:13:04,324 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2021-10-08 16:13:04,368 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-08 16:13:04,368 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-08 16:13:04,369 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-08 16:13:04,369 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-08 16:13:04,369 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-08 16:13:04,369 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-08 16:13:04,370 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-08 16:13:04,370 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-08 16:13:04,370 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-08 16:13:04,370 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-08 16:13:04,370 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-08 16:13:04,371 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-08 16:13:04,371 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-08 16:13:04,371 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-08 16:13:04,371 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-08 16:13:04,372 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-08 16:13:04,372 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-08 16:13:04,372 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-08 16:13:04,372 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-08 16:13:04,372 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-08 16:13:04,372 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-08 16:13:04,373 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-08 16:13:04,376 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-08 16:13:04,376 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-08 16:13:04,376 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-08 16:13:04,376 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-08 16:13:04,377 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-08 16:13:04,377 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-08 16:13:04,377 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-08 16:13:04,377 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-08 16:13:04,377 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-08 16:13:04,378 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-08 16:13:04,382 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-08 16:13:04,382 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-08 16:13:04,383 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-08 16:13:04,383 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-08 16:13:04,383 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-08 16:13:04,384 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-08 16:13:04,385 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-08 16:13:04,386 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-08 16:13:04,386 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-08 16:13:04,387 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-08 16:13:04,387 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-08 16:13:04,387 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-08 16:13:04,387 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-08 16:13:04,387 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-08 16:13:04,388 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-08 16:13:04,388 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-08 16:13:04,388 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-08 16:13:04,388 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-08 16:13:04,388 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-08 16:13:04,389 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-08 16:13:04,390 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-08 16:13:04,391 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-08 16:13:04,392 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-08 16:13:04,392 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-08 16:13:04,393 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-08 16:13:04,394 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-08 16:13:04,395 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-08 16:13:04,395 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-08 16:13:04,396 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-08 16:13:04,396 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-08 16:13:04,396 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-08 16:13:04,397 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-08 16:13:04,397 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-08 16:13:04,398 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-08 16:13:04,398 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-08 16:13:04,398 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-08 16:13:04,398 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-08 16:13:04,399 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-08 16:13:04,400 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-08 16:13:04,400 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-08 16:13:04,400 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-08 16:13:04,400 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-08 16:13:04,401 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-08 16:13:04,401 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-08 16:13:04,403 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-08 16:13:04,404 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-08 16:13:04,404 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-08 16:13:04,404 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-08 16:13:04,404 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-08 16:13:04,405 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-08 16:13:04,405 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-08 16:13:04,405 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-08 16:13:04,405 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-08 16:13:04,406 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-08 16:13:04,406 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-08 16:13:04,406 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-08 16:13:04,406 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-08 16:13:04,406 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-08 16:13:04,408 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-08 16:13:04,408 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-08 16:13:04,409 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-08 16:13:04,410 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-08 16:13:04,410 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-08 16:13:04,415 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-08 16:13:04,415 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-08 16:13:04,416 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-08 16:13:04,420 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-08 16:13:04,420 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-08 16:13:04,420 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-08 16:13:04,421 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-08 16:13:04,421 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-08 16:13:04,421 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-08 16:13:04,421 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-08 16:13:04,421 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-08 16:13:04,422 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-08 16:13:04,422 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-08 16:13:04,422 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-08 16:13:04,422 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-08 16:13:04,423 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-08 16:13:04,423 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-08 16:13:04,423 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-08 16:13:04,423 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-08 16:13:04,427 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-08 16:13:04,428 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-08 16:13:04,428 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-08 16:13:04,428 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-08 16:13:04,428 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-08 16:13:04,437 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-08 16:13:04,437 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-08 16:13:04,437 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-08 16:13:04,437 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-08 16:13:04,438 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-08 16:13:04,439 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-08 16:13:04,440 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-08 16:13:04,440 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-08 16:13:04,440 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-08 16:13:04,440 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-08 16:13:04,462 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions.
[2021-10-08 16:13:04,542 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2021-10-08 16:13:04,554 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
[2021-10-08 16:13:04,554 INFO L340 AbstractCegarLoop]: Starting to check reachability of 19 error locations.
[2021-10-08 16:13:04,592 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation.
[2021-10-08 16:13:04,616 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 202 places, 209 transitions, 442 flow
[2021-10-08 16:13:04,620 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 202 places, 209 transitions, 442 flow
[2021-10-08 16:13:04,622 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 202 places, 209 transitions, 442 flow
[2021-10-08 16:13:04,780 INFO L129 PetriNetUnfolder]: 17/206 cut-off events.
[2021-10-08 16:13:04,780 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES.
[2021-10-08 16:13:04,788 INFO L84 FinitePrefix]: Finished finitePrefix Result has 219 conditions, 206 events. 17/206 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 194 event pairs, 0 based on Foata normal form. 0/179 useless extension candidates. Maximal degree in co-relation 153. Up to 2 conditions per place.
[2021-10-08 16:13:04,795 INFO L116 LiptonReduction]: Number of co-enabled transitions 2688
[2021-10-08 16:13:12,578 INFO L131 LiptonReduction]: Checked pairs total: 5628
[2021-10-08 16:13:12,578 INFO L133 LiptonReduction]: Total number of compositions: 224
[2021-10-08 16:13:12,588 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 47 places, 42 transitions, 108 flow
[2021-10-08 16:13:12,641 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 602 states, 572 states have (on average 3.4702797202797204) internal successors, (1985), 601 states have internal predecessors, (1985), 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)
[2021-10-08 16:13:12,647 INFO L276 IsEmpty]: Start isEmpty. Operand has 602 states, 572 states have (on average 3.4702797202797204) internal successors, (1985), 601 states have internal predecessors, (1985), 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)
[2021-10-08 16:13:12,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3
[2021-10-08 16:13:12,653 INFO L504 BasicCegarLoop]: Found error trace
[2021-10-08 16:13:12,653 INFO L512 BasicCegarLoop]: trace histogram [1, 1]
[2021-10-08 16:13:12,654 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] ===
[2021-10-08 16:13:12,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-08 16:13:12,660 INFO L82 PathProgramCache]: Analyzing trace with hash 25514, now seen corresponding path program 1 times
[2021-10-08 16:13:12,669 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-08 16:13:12,670 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [531273574]
[2021-10-08 16:13:12,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-08 16:13:12,671 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-08 16:13:12,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-08 16:13:12,871 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-08 16:13:12,872 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-08 16:13:12,872 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [531273574]
[2021-10-08 16:13:12,873 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [531273574] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-08 16:13:12,873 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-08 16:13:12,874 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2021-10-08 16:13:12,875 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585742646]
[2021-10-08 16:13:12,880 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-10-08 16:13:12,881 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-08 16:13:12,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-10-08 16:13:12,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-08 16:13:12,901 INFO L87 Difference]: Start difference. First operand has 602 states, 572 states have (on average 3.4702797202797204) internal successors, (1985), 601 states have internal predecessors, (1985), 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)
[2021-10-08 16:13:12,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-08 16:13:12,995 INFO L93 Difference]: Finished difference Result 1199 states and 3965 transitions.
[2021-10-08 16:13:12,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-10-08 16:13:12,997 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
[2021-10-08 16:13:12,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-08 16:13:13,039 INFO L225 Difference]: With dead ends: 1199
[2021-10-08 16:13:13,040 INFO L226 Difference]: Without dead ends: 1199
[2021-10-08 16:13:13,041 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-08 16:13:13,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1199 states.
[2021-10-08 16:13:13,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1199 to 604.
[2021-10-08 16:13:13,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 604 states, 574 states have (on average 3.465156794425087) internal successors, (1989), 603 states have internal predecessors, (1989), 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)
[2021-10-08 16:13:13,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 604 states and 1989 transitions.
[2021-10-08 16:13:13,186 INFO L78 Accepts]: Start accepts. Automaton has 604 states and 1989 transitions. Word has length 2
[2021-10-08 16:13:13,187 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-10-08 16:13:13,187 INFO L470 AbstractCegarLoop]: Abstraction has 604 states and 1989 transitions.
[2021-10-08 16:13:13,187 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)
[2021-10-08 16:13:13,188 INFO L276 IsEmpty]: Start isEmpty. Operand 604 states and 1989 transitions.
[2021-10-08 16:13:13,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4
[2021-10-08 16:13:13,188 INFO L504 BasicCegarLoop]: Found error trace
[2021-10-08 16:13:13,188 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1]
[2021-10-08 16:13:13,189 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2021-10-08 16:13:13,189 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] ===
[2021-10-08 16:13:13,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-08 16:13:13,190 INFO L82 PathProgramCache]: Analyzing trace with hash 792299, now seen corresponding path program 1 times
[2021-10-08 16:13:13,191 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-08 16:13:13,191 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1088755667]
[2021-10-08 16:13:13,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-08 16:13:13,192 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-08 16:13:13,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-08 16:13:13,325 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-08 16:13:13,326 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-08 16:13:13,329 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1088755667]
[2021-10-08 16:13:13,329 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1088755667] provided 0 perfect and 1 imperfect interpolant sequences
[2021-10-08 16:13:13,330 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1778946455]
[2021-10-08 16:13:13,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-08 16:13:13,330 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-10-08 16:13:13,331 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3
[2021-10-08 16:13:13,340 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)
[2021-10-08 16:13:13,351 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
[2021-10-08 16:13:13,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-08 16:13:13,413 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 4 conjunts are in the unsatisfiable core
[2021-10-08 16:13:13,417 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-10-08 16:13:13,460 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-08 16:13:13,460 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1778946455] provided 0 perfect and 1 imperfect interpolant sequences
[2021-10-08 16:13:13,461 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2021-10-08 16:13:13,461 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 2] total 3
[2021-10-08 16:13:13,462 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [530298441]
[2021-10-08 16:13:13,463 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2021-10-08 16:13:13,463 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-08 16:13:13,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2021-10-08 16:13:13,464 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2021-10-08 16:13:13,464 INFO L87 Difference]: Start difference. First operand 604 states and 1989 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)
[2021-10-08 16:13:13,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-08 16:13:13,547 INFO L93 Difference]: Finished difference Result 1796 states and 5947 transitions.
[2021-10-08 16:13:13,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2021-10-08 16:13:13,548 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
[2021-10-08 16:13:13,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-08 16:13:13,569 INFO L225 Difference]: With dead ends: 1796
[2021-10-08 16:13:13,570 INFO L226 Difference]: Without dead ends: 1796
[2021-10-08 16:13:13,570 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.8ms TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2021-10-08 16:13:13,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1796 states.
[2021-10-08 16:13:13,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1796 to 606.
[2021-10-08 16:13:13,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 606 states, 576 states have (on average 3.4635416666666665) internal successors, (1995), 605 states have internal predecessors, (1995), 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)
[2021-10-08 16:13:13,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 606 states to 606 states and 1995 transitions.
[2021-10-08 16:13:13,630 INFO L78 Accepts]: Start accepts. Automaton has 606 states and 1995 transitions. Word has length 3
[2021-10-08 16:13:13,631 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-10-08 16:13:13,631 INFO L470 AbstractCegarLoop]: Abstraction has 606 states and 1995 transitions.
[2021-10-08 16:13:13,631 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)
[2021-10-08 16:13:13,631 INFO L276 IsEmpty]: Start isEmpty. Operand 606 states and 1995 transitions.
[2021-10-08 16:13:13,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4
[2021-10-08 16:13:13,632 INFO L504 BasicCegarLoop]: Found error trace
[2021-10-08 16:13:13,632 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1]
[2021-10-08 16:13:13,674 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0
[2021-10-08 16:13:13,845 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
[2021-10-08 16:13:13,846 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] ===
[2021-10-08 16:13:13,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-08 16:13:13,848 INFO L82 PathProgramCache]: Analyzing trace with hash 792300, now seen corresponding path program 1 times
[2021-10-08 16:13:13,848 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-08 16:13:13,849 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [181173692]
[2021-10-08 16:13:13,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-08 16:13:13,849 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-08 16:13:13,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-08 16:13:13,898 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-08 16:13:13,898 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-08 16:13:13,898 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [181173692]
[2021-10-08 16:13:13,899 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [181173692] provided 0 perfect and 1 imperfect interpolant sequences
[2021-10-08 16:13:13,899 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1441015044]
[2021-10-08 16:13:13,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-08 16:13:13,899 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-10-08 16:13:13,900 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3
[2021-10-08 16:13:13,901 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)
[2021-10-08 16:13:13,922 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
[2021-10-08 16:13:13,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-08 16:13:13,970 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 4 conjunts are in the unsatisfiable core
[2021-10-08 16:13:13,971 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-10-08 16:13:13,983 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-08 16:13:13,983 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1441015044] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-08 16:13:13,984 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences.
[2021-10-08 16:13:13,984 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 3
[2021-10-08 16:13:13,984 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [200950307]
[2021-10-08 16:13:13,985 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-10-08 16:13:13,985 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-08 16:13:13,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-10-08 16:13:13,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2021-10-08 16:13:13,986 INFO L87 Difference]: Start difference. First operand 606 states and 1995 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)
[2021-10-08 16:13:14,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-08 16:13:14,035 INFO L93 Difference]: Finished difference Result 1199 states and 3967 transitions.
[2021-10-08 16:13:14,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2021-10-08 16:13:14,036 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
[2021-10-08 16:13:14,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-08 16:13:14,050 INFO L225 Difference]: With dead ends: 1199
[2021-10-08 16:13:14,050 INFO L226 Difference]: Without dead ends: 1199
[2021-10-08 16:13:14,051 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
[2021-10-08 16:13:14,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1199 states.
[2021-10-08 16:13:14,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1199 to 604.
[2021-10-08 16:13:14,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 604 states, 576 states have (on average 3.4565972222222223) internal successors, (1991), 603 states have internal predecessors, (1991), 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)
[2021-10-08 16:13:14,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 604 states and 1991 transitions.
[2021-10-08 16:13:14,100 INFO L78 Accepts]: Start accepts. Automaton has 604 states and 1991 transitions. Word has length 3
[2021-10-08 16:13:14,100 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-10-08 16:13:14,101 INFO L470 AbstractCegarLoop]: Abstraction has 604 states and 1991 transitions.
[2021-10-08 16:13:14,101 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)
[2021-10-08 16:13:14,102 INFO L276 IsEmpty]: Start isEmpty. Operand 604 states and 1991 transitions.
[2021-10-08 16:13:14,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5
[2021-10-08 16:13:14,103 INFO L504 BasicCegarLoop]: Found error trace
[2021-10-08 16:13:14,103 INFO L512 BasicCegarLoop]: trace histogram [2, 1, 1]
[2021-10-08 16:13:14,154 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
[2021-10-08 16:13:14,317 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
[2021-10-08 16:13:14,318 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] ===
[2021-10-08 16:13:14,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-08 16:13:14,320 INFO L82 PathProgramCache]: Analyzing trace with hash 24562634, now seen corresponding path program 2 times
[2021-10-08 16:13:14,320 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-08 16:13:14,321 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1621329072]
[2021-10-08 16:13:14,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-08 16:13:14,321 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-08 16:13:14,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-08 16:13:14,415 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-08 16:13:14,415 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-08 16:13:14,415 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1621329072]
[2021-10-08 16:13:14,416 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1621329072] provided 0 perfect and 1 imperfect interpolant sequences
[2021-10-08 16:13:14,416 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [144923768]
[2021-10-08 16:13:14,416 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2021-10-08 16:13:14,416 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-10-08 16:13:14,421 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3
[2021-10-08 16:13:14,422 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)
[2021-10-08 16:13:14,445 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
[2021-10-08 16:13:14,499 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s)
[2021-10-08 16:13:14,500 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2021-10-08 16:13:14,501 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 6 conjunts are in the unsatisfiable core
[2021-10-08 16:13:14,503 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-10-08 16:13:14,526 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2021-10-08 16:13:14,527 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [144923768] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-08 16:13:14,527 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences.
[2021-10-08 16:13:14,528 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [3] total 4
[2021-10-08 16:13:14,528 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1496651455]
[2021-10-08 16:13:14,528 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-10-08 16:13:14,529 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-08 16:13:14,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-10-08 16:13:14,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2021-10-08 16:13:14,530 INFO L87 Difference]: Start difference. First operand 604 states and 1991 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)
[2021-10-08 16:13:14,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-08 16:13:14,565 INFO L93 Difference]: Finished difference Result 603 states and 1990 transitions.
[2021-10-08 16:13:14,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-10-08 16:13:14,566 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
[2021-10-08 16:13:14,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-08 16:13:14,572 INFO L225 Difference]: With dead ends: 603
[2021-10-08 16:13:14,572 INFO L226 Difference]: Without dead ends: 603
[2021-10-08 16:13:14,572 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 9.7ms TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2021-10-08 16:13:14,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 603 states.
[2021-10-08 16:13:14,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 603 to 601.
[2021-10-08 16:13:14,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 601 states, 574 states have (on average 3.4599303135888504) internal successors, (1986), 600 states have internal predecessors, (1986), 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)
[2021-10-08 16:13:14,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 601 states and 1986 transitions.
[2021-10-08 16:13:14,602 INFO L78 Accepts]: Start accepts. Automaton has 601 states and 1986 transitions. Word has length 4
[2021-10-08 16:13:14,602 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-10-08 16:13:14,603 INFO L470 AbstractCegarLoop]: Abstraction has 601 states and 1986 transitions.
[2021-10-08 16:13:14,603 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)
[2021-10-08 16:13:14,603 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states and 1986 transitions.
[2021-10-08 16:13:14,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6
[2021-10-08 16:13:14,604 INFO L504 BasicCegarLoop]: Found error trace
[2021-10-08 16:13:14,604 INFO L512 BasicCegarLoop]: trace histogram [2, 1, 1, 1]
[2021-10-08 16:13:14,638 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
[2021-10-08 16:13:14,818 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
[2021-10-08 16:13:14,819 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] ===
[2021-10-08 16:13:14,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-08 16:13:14,821 INFO L82 PathProgramCache]: Analyzing trace with hash 762315898, now seen corresponding path program 1 times
[2021-10-08 16:13:14,821 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-08 16:13:14,822 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1585667481]
[2021-10-08 16:13:14,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-08 16:13:14,822 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-08 16:13:14,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-08 16:13:14,884 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2021-10-08 16:13:14,885 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-08 16:13:14,885 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1585667481]
[2021-10-08 16:13:14,885 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1585667481] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-08 16:13:14,886 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-08 16:13:14,886 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-10-08 16:13:14,886 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2085558076]
[2021-10-08 16:13:14,886 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-10-08 16:13:14,886 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-08 16:13:14,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-10-08 16:13:14,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-10-08 16:13:14,888 INFO L87 Difference]: Start difference. First operand 601 states and 1986 transitions. Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 3 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)
[2021-10-08 16:13:14,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-08 16:13:14,930 INFO L93 Difference]: Finished difference Result 603 states and 1987 transitions.
[2021-10-08 16:13:14,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2021-10-08 16:13:14,931 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 3 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 5
[2021-10-08 16:13:14,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-08 16:13:14,936 INFO L225 Difference]: With dead ends: 603
[2021-10-08 16:13:14,937 INFO L226 Difference]: Without dead ends: 602
[2021-10-08 16:13:14,937 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 12.4ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2021-10-08 16:13:14,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 602 states.
[2021-10-08 16:13:14,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 602 to 602.
[2021-10-08 16:13:14,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 602 states, 575 states have (on average 3.453913043478261) internal successors, (1986), 601 states have internal predecessors, (1986), 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)
[2021-10-08 16:13:14,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 602 states and 1986 transitions.
[2021-10-08 16:13:14,963 INFO L78 Accepts]: Start accepts. Automaton has 602 states and 1986 transitions. Word has length 5
[2021-10-08 16:13:14,963 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-10-08 16:13:14,963 INFO L470 AbstractCegarLoop]: Abstraction has 602 states and 1986 transitions.
[2021-10-08 16:13:14,963 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 3 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)
[2021-10-08 16:13:14,964 INFO L276 IsEmpty]: Start isEmpty. Operand 602 states and 1986 transitions.
[2021-10-08 16:13:14,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7
[2021-10-08 16:13:14,964 INFO L504 BasicCegarLoop]: Found error trace
[2021-10-08 16:13:14,964 INFO L512 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1]
[2021-10-08 16:13:14,964 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2021-10-08 16:13:14,965 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] ===
[2021-10-08 16:13:14,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-08 16:13:14,965 INFO L82 PathProgramCache]: Analyzing trace with hash 2130771353, now seen corresponding path program 1 times
[2021-10-08 16:13:14,966 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-08 16:13:14,966 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [917773050]
[2021-10-08 16:13:14,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-08 16:13:14,966 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-08 16:13:14,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-08 16:13:15,044 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-08 16:13:15,044 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-08 16:13:15,044 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [917773050]
[2021-10-08 16:13:15,045 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [917773050] provided 0 perfect and 1 imperfect interpolant sequences
[2021-10-08 16:13:15,045 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [14051617]
[2021-10-08 16:13:15,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-08 16:13:15,045 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-10-08 16:13:15,046 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3
[2021-10-08 16:13:15,047 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)
[2021-10-08 16:13:15,075 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
[2021-10-08 16:13:15,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-08 16:13:15,120 INFO L263 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 10 conjunts are in the unsatisfiable core
[2021-10-08 16:13:15,121 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-10-08 16:13:15,237 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-08 16:13:15,237 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [14051617] provided 0 perfect and 1 imperfect interpolant sequences
[2021-10-08 16:13:15,238 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2021-10-08 16:13:15,238 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9
[2021-10-08 16:13:15,238 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1113462259]
[2021-10-08 16:13:15,239 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2021-10-08 16:13:15,239 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-08 16:13:15,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2021-10-08 16:13:15,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90
[2021-10-08 16:13:15,241 INFO L87 Difference]: Start difference. First operand 602 states and 1986 transitions. Second operand has 10 states, 10 states have (on average 1.1) internal successors, (11), 9 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)
[2021-10-08 16:13:15,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-08 16:13:15,346 INFO L93 Difference]: Finished difference Result 1200 states and 3966 transitions.
[2021-10-08 16:13:15,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2021-10-08 16:13:15,346 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 1.1) internal successors, (11), 9 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 6
[2021-10-08 16:13:15,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-08 16:13:15,359 INFO L225 Difference]: With dead ends: 1200
[2021-10-08 16:13:15,359 INFO L226 Difference]: Without dead ends: 1200
[2021-10-08 16:13:15,359 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 68.8ms TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132
[2021-10-08 16:13:15,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1200 states.
[2021-10-08 16:13:15,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1200 to 605.
[2021-10-08 16:13:15,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 605 states, 578 states have (on average 3.442906574394464) internal successors, (1990), 604 states have internal predecessors, (1990), 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)
[2021-10-08 16:13:15,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 605 states to 605 states and 1990 transitions.
[2021-10-08 16:13:15,396 INFO L78 Accepts]: Start accepts. Automaton has 605 states and 1990 transitions. Word has length 6
[2021-10-08 16:13:15,397 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-10-08 16:13:15,397 INFO L470 AbstractCegarLoop]: Abstraction has 605 states and 1990 transitions.
[2021-10-08 16:13:15,397 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 1.1) internal successors, (11), 9 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)
[2021-10-08 16:13:15,397 INFO L276 IsEmpty]: Start isEmpty. Operand 605 states and 1990 transitions.
[2021-10-08 16:13:15,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8
[2021-10-08 16:13:15,398 INFO L504 BasicCegarLoop]: Found error trace
[2021-10-08 16:13:15,398 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1]
[2021-10-08 16:13:15,437 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
[2021-10-08 16:13:15,613 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-10-08 16:13:15,613 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] ===
[2021-10-08 16:13:15,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-08 16:13:15,614 INFO L82 PathProgramCache]: Analyzing trace with hash 1603217498, now seen corresponding path program 2 times
[2021-10-08 16:13:15,614 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-08 16:13:15,615 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [229514271]
[2021-10-08 16:13:15,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-08 16:13:15,616 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-08 16:13:15,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-08 16:13:15,678 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2021-10-08 16:13:15,679 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-08 16:13:15,679 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [229514271]
[2021-10-08 16:13:15,680 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [229514271] provided 0 perfect and 1 imperfect interpolant sequences
[2021-10-08 16:13:15,680 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [118175898]
[2021-10-08 16:13:15,680 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2021-10-08 16:13:15,680 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-10-08 16:13:15,680 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3
[2021-10-08 16:13:15,689 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)
[2021-10-08 16:13:15,712 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
[2021-10-08 16:13:15,773 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s)
[2021-10-08 16:13:15,773 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2021-10-08 16:13:15,774 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 6 conjunts are in the unsatisfiable core
[2021-10-08 16:13:15,777 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-10-08 16:13:15,819 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked.
[2021-10-08 16:13:15,821 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [118175898] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-08 16:13:15,822 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences.
[2021-10-08 16:13:15,822 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 6
[2021-10-08 16:13:15,822 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1857710193]
[2021-10-08 16:13:15,823 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-10-08 16:13:15,823 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-08 16:13:15,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-10-08 16:13:15,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42
[2021-10-08 16:13:15,824 INFO L87 Difference]: Start difference. First operand 605 states and 1990 transitions. Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 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)
[2021-10-08 16:13:15,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-08 16:13:15,857 INFO L93 Difference]: Finished difference Result 604 states and 1989 transitions.
[2021-10-08 16:13:15,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-10-08 16:13:15,858 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 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 7
[2021-10-08 16:13:15,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-08 16:13:15,867 INFO L225 Difference]: With dead ends: 604
[2021-10-08 16:13:15,868 INFO L226 Difference]: Without dead ends: 604
[2021-10-08 16:13:15,868 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 19.3ms TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56
[2021-10-08 16:13:15,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 604 states.
[2021-10-08 16:13:15,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 604 to 603.
[2021-10-08 16:13:15,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 603 states, 577 states have (on average 3.4436741767764296) internal successors, (1987), 602 states have internal predecessors, (1987), 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)
[2021-10-08 16:13:15,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 603 states to 603 states and 1987 transitions.
[2021-10-08 16:13:15,898 INFO L78 Accepts]: Start accepts. Automaton has 603 states and 1987 transitions. Word has length 7
[2021-10-08 16:13:15,898 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-10-08 16:13:15,899 INFO L470 AbstractCegarLoop]: Abstraction has 603 states and 1987 transitions.
[2021-10-08 16:13:15,899 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 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)
[2021-10-08 16:13:15,899 INFO L276 IsEmpty]: Start isEmpty. Operand 603 states and 1987 transitions.
[2021-10-08 16:13:15,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10
[2021-10-08 16:13:15,900 INFO L504 BasicCegarLoop]: Found error trace
[2021-10-08 16:13:15,900 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-08 16:13:15,947 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
[2021-10-08 16:13:16,103 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-10-08 16:13:16,104 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] ===
[2021-10-08 16:13:16,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-08 16:13:16,104 INFO L82 PathProgramCache]: Analyzing trace with hash -1796549082, now seen corresponding path program 1 times
[2021-10-08 16:13:16,104 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-08 16:13:16,105 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [452019018]
[2021-10-08 16:13:16,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-08 16:13:16,105 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-08 16:13:16,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-08 16:13:16,192 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2021-10-08 16:13:16,192 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-08 16:13:16,192 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [452019018]
[2021-10-08 16:13:16,193 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [452019018] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-08 16:13:16,193 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-08 16:13:16,193 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2021-10-08 16:13:16,193 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [910988478]
[2021-10-08 16:13:16,194 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-10-08 16:13:16,194 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-08 16:13:16,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-10-08 16:13:16,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-08 16:13:16,195 INFO L87 Difference]: Start difference. First operand 603 states and 1987 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-08 16:13:16,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-08 16:13:16,217 INFO L93 Difference]: Finished difference Result 939 states and 3086 transitions.
[2021-10-08 16:13:16,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-10-08 16:13:16,217 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9
[2021-10-08 16:13:16,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-08 16:13:16,226 INFO L225 Difference]: With dead ends: 939
[2021-10-08 16:13:16,226 INFO L226 Difference]: Without dead ends: 939
[2021-10-08 16:13:16,227 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-08 16:13:16,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 939 states.
[2021-10-08 16:13:16,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 939 to 775.
[2021-10-08 16:13:16,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 775 states, 749 states have (on average 3.5447263017356474) internal successors, (2655), 774 states have internal predecessors, (2655), 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)
[2021-10-08 16:13:16,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 775 states to 775 states and 2655 transitions.
[2021-10-08 16:13:16,296 INFO L78 Accepts]: Start accepts. Automaton has 775 states and 2655 transitions. Word has length 9
[2021-10-08 16:13:16,296 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-10-08 16:13:16,296 INFO L470 AbstractCegarLoop]: Abstraction has 775 states and 2655 transitions.
[2021-10-08 16:13:16,297 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-08 16:13:16,297 INFO L276 IsEmpty]: Start isEmpty. Operand 775 states and 2655 transitions.
[2021-10-08 16:13:16,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12
[2021-10-08 16:13:16,298 INFO L504 BasicCegarLoop]: Found error trace
[2021-10-08 16:13:16,298 INFO L512 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-08 16:13:16,298 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2021-10-08 16:13:16,298 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] ===
[2021-10-08 16:13:16,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-08 16:13:16,299 INFO L82 PathProgramCache]: Analyzing trace with hash 93224743, now seen corresponding path program 1 times
[2021-10-08 16:13:16,299 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-08 16:13:16,299 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [812970309]
[2021-10-08 16:13:16,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-08 16:13:16,300 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-08 16:13:16,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-08 16:13:16,341 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2021-10-08 16:13:16,342 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-08 16:13:16,342 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [812970309]
[2021-10-08 16:13:16,342 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [812970309] provided 0 perfect and 1 imperfect interpolant sequences
[2021-10-08 16:13:16,342 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [453788834]
[2021-10-08 16:13:16,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-08 16:13:16,343 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-10-08 16:13:16,343 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3
[2021-10-08 16:13:16,344 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)
[2021-10-08 16:13:16,353 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
[2021-10-08 16:13:16,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-08 16:13:16,417 INFO L263 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 8 conjunts are in the unsatisfiable core
[2021-10-08 16:13:16,418 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-10-08 16:13:16,518 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2021-10-08 16:13:16,518 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [453788834] provided 0 perfect and 1 imperfect interpolant sequences
[2021-10-08 16:13:16,518 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2021-10-08 16:13:16,519 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 6] total 9
[2021-10-08 16:13:16,519 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1639423082]
[2021-10-08 16:13:16,519 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2021-10-08 16:13:16,520 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-08 16:13:16,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2021-10-08 16:13:16,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72
[2021-10-08 16:13:16,521 INFO L87 Difference]: Start difference. First operand 775 states and 2655 transitions. Second operand has 9 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 9 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-08 16:13:16,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-08 16:13:16,691 INFO L93 Difference]: Finished difference Result 1527 states and 4909 transitions.
[2021-10-08 16:13:16,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states.
[2021-10-08 16:13:16,692 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 9 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11
[2021-10-08 16:13:16,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-08 16:13:16,706 INFO L225 Difference]: With dead ends: 1527
[2021-10-08 16:13:16,706 INFO L226 Difference]: Without dead ends: 1519
[2021-10-08 16:13:16,706 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 74.1ms TimeCoverageRelationStatistics Valid=51, Invalid=131, Unknown=0, NotChecked=0, Total=182
[2021-10-08 16:13:16,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1519 states.
[2021-10-08 16:13:16,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1519 to 1027.
[2021-10-08 16:13:16,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1027 states, 1010 states have (on average 3.5544554455445545) internal successors, (3590), 1026 states have internal predecessors, (3590), 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)
[2021-10-08 16:13:16,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1027 states to 1027 states and 3590 transitions.
[2021-10-08 16:13:16,755 INFO L78 Accepts]: Start accepts. Automaton has 1027 states and 3590 transitions. Word has length 11
[2021-10-08 16:13:16,756 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-10-08 16:13:16,756 INFO L470 AbstractCegarLoop]: Abstraction has 1027 states and 3590 transitions.
[2021-10-08 16:13:16,756 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 9 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-08 16:13:16,756 INFO L276 IsEmpty]: Start isEmpty. Operand 1027 states and 3590 transitions.
[2021-10-08 16:13:16,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12
[2021-10-08 16:13:16,757 INFO L504 BasicCegarLoop]: Found error trace
[2021-10-08 16:13:16,758 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-08 16:13:16,797 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0
[2021-10-08 16:13:16,972 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-10-08 16:13:16,973 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] ===
[2021-10-08 16:13:16,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-08 16:13:16,974 INFO L82 PathProgramCache]: Analyzing trace with hash 301663235, now seen corresponding path program 1 times
[2021-10-08 16:13:16,975 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-08 16:13:16,975 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1786005735]
[2021-10-08 16:13:16,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-08 16:13:16,976 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-08 16:13:16,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-08 16:13:17,007 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2021-10-08 16:13:17,007 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-08 16:13:17,007 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1786005735]
[2021-10-08 16:13:17,007 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1786005735] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-08 16:13:17,008 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-08 16:13:17,008 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2021-10-08 16:13:17,008 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1264089153]
[2021-10-08 16:13:17,008 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-10-08 16:13:17,009 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-08 16:13:17,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-10-08 16:13:17,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-08 16:13:17,010 INFO L87 Difference]: Start difference. First operand 1027 states and 3590 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-08 16:13:17,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-08 16:13:17,038 INFO L93 Difference]: Finished difference Result 1523 states and 5341 transitions.
[2021-10-08 16:13:17,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-10-08 16:13:17,039 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11
[2021-10-08 16:13:17,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-08 16:13:17,053 INFO L225 Difference]: With dead ends: 1523
[2021-10-08 16:13:17,054 INFO L226 Difference]: Without dead ends: 1523
[2021-10-08 16:13:17,054 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-08 16:13:17,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1523 states.
[2021-10-08 16:13:17,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1523 to 1359.
[2021-10-08 16:13:17,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1359 states, 1342 states have (on average 3.6721311475409837) internal successors, (4928), 1358 states have internal predecessors, (4928), 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)
[2021-10-08 16:13:17,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1359 states to 1359 states and 4928 transitions.
[2021-10-08 16:13:17,112 INFO L78 Accepts]: Start accepts. Automaton has 1359 states and 4928 transitions. Word has length 11
[2021-10-08 16:13:17,113 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-10-08 16:13:17,113 INFO L470 AbstractCegarLoop]: Abstraction has 1359 states and 4928 transitions.
[2021-10-08 16:13:17,113 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-08 16:13:17,114 INFO L276 IsEmpty]: Start isEmpty. Operand 1359 states and 4928 transitions.
[2021-10-08 16:13:17,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14
[2021-10-08 16:13:17,116 INFO L504 BasicCegarLoop]: Found error trace
[2021-10-08 16:13:17,116 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-08 16:13:17,116 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2021-10-08 16:13:17,117 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting thread3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] ===
[2021-10-08 16:13:17,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-08 16:13:17,117 INFO L82 PathProgramCache]: Analyzing trace with hash -1955926882, now seen corresponding path program 1 times
[2021-10-08 16:13:17,117 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-08 16:13:17,118 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1043322778]
[2021-10-08 16:13:17,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-08 16:13:17,118 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-08 16:13:17,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-08 16:13:17,172 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2021-10-08 16:13:17,173 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-08 16:13:17,173 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1043322778]
[2021-10-08 16:13:17,173 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1043322778] provided 0 perfect and 1 imperfect interpolant sequences
[2021-10-08 16:13:17,173 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [394814474]
[2021-10-08 16:13:17,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-08 16:13:17,174 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-10-08 16:13:17,174 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3
[2021-10-08 16:13:17,175 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)
[2021-10-08 16:13:17,193 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
[2021-10-08 16:13:17,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-08 16:13:17,249 INFO L263 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 4 conjunts are in the unsatisfiable core
[2021-10-08 16:13:17,250 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-10-08 16:13:17,318 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2021-10-08 16:13:17,319 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [394814474] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-08 16:13:17,319 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences.
[2021-10-08 16:13:17,319 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 6
[2021-10-08 16:13:17,319 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620648620]
[2021-10-08 16:13:17,320 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-10-08 16:13:17,320 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-08 16:13:17,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-10-08 16:13:17,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56
[2021-10-08 16:13:17,321 INFO L87 Difference]: Start difference. First operand 1359 states and 4928 transitions. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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)
[2021-10-08 16:13:17,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-08 16:13:17,359 INFO L93 Difference]: Finished difference Result 1165 states and 4204 transitions.
[2021-10-08 16:13:17,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2021-10-08 16:13:17,360 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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 13
[2021-10-08 16:13:17,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-08 16:13:17,371 INFO L225 Difference]: With dead ends: 1165
[2021-10-08 16:13:17,371 INFO L226 Difference]: Without dead ends: 1165
[2021-10-08 16:13:17,371 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 45.3ms TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72
[2021-10-08 16:13:17,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1165 states.
[2021-10-08 16:13:17,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1165 to 1165.
[2021-10-08 16:13:17,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1165 states, 1154 states have (on average 3.6429809358752165) internal successors, (4204), 1164 states have internal predecessors, (4204), 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)
[2021-10-08 16:13:17,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1165 states to 1165 states and 4204 transitions.
[2021-10-08 16:13:17,419 INFO L78 Accepts]: Start accepts. Automaton has 1165 states and 4204 transitions. Word has length 13
[2021-10-08 16:13:17,419 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-10-08 16:13:17,420 INFO L470 AbstractCegarLoop]: Abstraction has 1165 states and 4204 transitions.
[2021-10-08 16:13:17,420 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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)
[2021-10-08 16:13:17,420 INFO L276 IsEmpty]: Start isEmpty. Operand 1165 states and 4204 transitions.
[2021-10-08 16:13:17,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14
[2021-10-08 16:13:17,422 INFO L504 BasicCegarLoop]: Found error trace
[2021-10-08 16:13:17,422 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-08 16:13:17,458 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
[2021-10-08 16:13:17,636 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-10-08 16:13:17,637 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting thread3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] ===
[2021-10-08 16:13:17,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-08 16:13:17,638 INFO L82 PathProgramCache]: Analyzing trace with hash -1955926847, now seen corresponding path program 1 times
[2021-10-08 16:13:17,638 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-08 16:13:17,639 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [619696509]
[2021-10-08 16:13:17,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-08 16:13:17,639 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-08 16:13:17,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-08 16:13:17,675 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2021-10-08 16:13:17,675 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-08 16:13:17,675 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [619696509]
[2021-10-08 16:13:17,675 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [619696509] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-08 16:13:17,676 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-08 16:13:17,676 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2021-10-08 16:13:17,676 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1150321574]
[2021-10-08 16:13:17,676 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-10-08 16:13:17,676 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-08 16:13:17,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-10-08 16:13:17,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-10-08 16:13:17,677 INFO L87 Difference]: Start difference. First operand 1165 states and 4204 transitions. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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)
[2021-10-08 16:13:17,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-08 16:13:17,705 INFO L93 Difference]: Finished difference Result 971 states and 3480 transitions.
[2021-10-08 16:13:17,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2021-10-08 16:13:17,706 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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 13
[2021-10-08 16:13:17,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-08 16:13:17,714 INFO L225 Difference]: With dead ends: 971
[2021-10-08 16:13:17,714 INFO L226 Difference]: Without dead ends: 919
[2021-10-08 16:13:17,714 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.2ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2021-10-08 16:13:17,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 919 states.
[2021-10-08 16:13:17,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 919 to 919.
[2021-10-08 16:13:17,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 919 states, 914 states have (on average 3.5590809628008753) internal successors, (3253), 918 states have internal predecessors, (3253), 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)
[2021-10-08 16:13:17,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 919 states to 919 states and 3253 transitions.
[2021-10-08 16:13:17,750 INFO L78 Accepts]: Start accepts. Automaton has 919 states and 3253 transitions. Word has length 13
[2021-10-08 16:13:17,750 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-10-08 16:13:17,751 INFO L470 AbstractCegarLoop]: Abstraction has 919 states and 3253 transitions.
[2021-10-08 16:13:17,751 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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)
[2021-10-08 16:13:17,751 INFO L276 IsEmpty]: Start isEmpty. Operand 919 states and 3253 transitions.
[2021-10-08 16:13:17,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14
[2021-10-08 16:13:17,752 INFO L504 BasicCegarLoop]: Found error trace
[2021-10-08 16:13:17,752 INFO L512 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-08 16:13:17,752 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11
[2021-10-08 16:13:17,753 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] ===
[2021-10-08 16:13:17,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-08 16:13:17,753 INFO L82 PathProgramCache]: Analyzing trace with hash 2135596187, now seen corresponding path program 1 times
[2021-10-08 16:13:17,753 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-08 16:13:17,754 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10998388]
[2021-10-08 16:13:17,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-08 16:13:17,754 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-08 16:13:17,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-08 16:13:17,788 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2021-10-08 16:13:17,789 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-08 16:13:17,789 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [10998388]
[2021-10-08 16:13:17,789 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [10998388] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-08 16:13:17,789 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-08 16:13:17,789 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2021-10-08 16:13:17,790 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [301474351]
[2021-10-08 16:13:17,790 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-10-08 16:13:17,790 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-08 16:13:17,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-10-08 16:13:17,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-08 16:13:17,791 INFO L87 Difference]: Start difference. First operand 919 states and 3253 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 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)
[2021-10-08 16:13:17,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-08 16:13:17,805 INFO L93 Difference]: Finished difference Result 801 states and 2835 transitions.
[2021-10-08 16:13:17,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-10-08 16:13:17,806 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 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 13
[2021-10-08 16:13:17,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-08 16:13:17,812 INFO L225 Difference]: With dead ends: 801
[2021-10-08 16:13:17,812 INFO L226 Difference]: Without dead ends: 801
[2021-10-08 16:13:17,812 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-08 16:13:17,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 801 states.
[2021-10-08 16:13:17,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 801 to 801.
[2021-10-08 16:13:17,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 801 states, 798 states have (on average 3.5526315789473686) internal successors, (2835), 800 states have internal predecessors, (2835), 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)
[2021-10-08 16:13:17,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 801 states to 801 states and 2835 transitions.
[2021-10-08 16:13:17,842 INFO L78 Accepts]: Start accepts. Automaton has 801 states and 2835 transitions. Word has length 13
[2021-10-08 16:13:17,842 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-10-08 16:13:17,842 INFO L470 AbstractCegarLoop]: Abstraction has 801 states and 2835 transitions.
[2021-10-08 16:13:17,843 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 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)
[2021-10-08 16:13:17,843 INFO L276 IsEmpty]: Start isEmpty. Operand 801 states and 2835 transitions.
[2021-10-08 16:13:17,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14
[2021-10-08 16:13:17,843 INFO L504 BasicCegarLoop]: Found error trace
[2021-10-08 16:13:17,844 INFO L512 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-08 16:13:17,844 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12
[2021-10-08 16:13:17,844 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] ===
[2021-10-08 16:13:17,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-08 16:13:17,845 INFO L82 PathProgramCache]: Analyzing trace with hash 2135596188, now seen corresponding path program 1 times
[2021-10-08 16:13:17,845 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-08 16:13:17,845 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [713908371]
[2021-10-08 16:13:17,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-08 16:13:17,845 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-08 16:13:17,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-08 16:13:17,879 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2021-10-08 16:13:17,879 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-08 16:13:17,880 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [713908371]
[2021-10-08 16:13:17,880 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [713908371] provided 0 perfect and 1 imperfect interpolant sequences
[2021-10-08 16:13:17,880 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1459148536]
[2021-10-08 16:13:17,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-08 16:13:17,880 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-10-08 16:13:17,881 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3
[2021-10-08 16:13:17,881 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)
[2021-10-08 16:13:17,906 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
[2021-10-08 16:13:17,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-08 16:13:17,962 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 4 conjunts are in the unsatisfiable core
[2021-10-08 16:13:17,963 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-10-08 16:13:17,998 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2021-10-08 16:13:17,998 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1459148536] provided 0 perfect and 1 imperfect interpolant sequences
[2021-10-08 16:13:17,998 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2021-10-08 16:13:17,999 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 4
[2021-10-08 16:13:17,999 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [194709388]
[2021-10-08 16:13:17,999 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2021-10-08 16:13:17,999 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-08 16:13:18,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2021-10-08 16:13:18,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2021-10-08 16:13:18,000 INFO L87 Difference]: Start difference. First operand 801 states and 2835 transitions. Second operand has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 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)
[2021-10-08 16:13:18,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-08 16:13:18,025 INFO L93 Difference]: Finished difference Result 1157 states and 4019 transitions.
[2021-10-08 16:13:18,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2021-10-08 16:13:18,026 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 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 13
[2021-10-08 16:13:18,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-08 16:13:18,039 INFO L225 Difference]: With dead ends: 1157
[2021-10-08 16:13:18,039 INFO L226 Difference]: Without dead ends: 1157
[2021-10-08 16:13:18,040 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.1ms TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2021-10-08 16:13:18,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1157 states.
[2021-10-08 16:13:18,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1157 to 1037.
[2021-10-08 16:13:18,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1037 states, 1034 states have (on average 3.6083172147001936) internal successors, (3731), 1036 states have internal predecessors, (3731), 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)
[2021-10-08 16:13:18,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1037 states to 1037 states and 3731 transitions.
[2021-10-08 16:13:18,080 INFO L78 Accepts]: Start accepts. Automaton has 1037 states and 3731 transitions. Word has length 13
[2021-10-08 16:13:18,080 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-10-08 16:13:18,080 INFO L470 AbstractCegarLoop]: Abstraction has 1037 states and 3731 transitions.
[2021-10-08 16:13:18,080 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 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)
[2021-10-08 16:13:18,080 INFO L276 IsEmpty]: Start isEmpty. Operand 1037 states and 3731 transitions.
[2021-10-08 16:13:18,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14
[2021-10-08 16:13:18,081 INFO L504 BasicCegarLoop]: Found error trace
[2021-10-08 16:13:18,081 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1]
[2021-10-08 16:13:18,117 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0
[2021-10-08 16:13:18,295 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,SelfDestructingSolverStorable13
[2021-10-08 16:13:18,296 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] ===
[2021-10-08 16:13:18,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-08 16:13:18,297 INFO L82 PathProgramCache]: Analyzing trace with hash -1091281063, now seen corresponding path program 1 times
[2021-10-08 16:13:18,297 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-08 16:13:18,298 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2096099225]
[2021-10-08 16:13:18,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-08 16:13:18,298 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-08 16:13:18,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-08 16:13:18,345 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked.
[2021-10-08 16:13:18,346 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-08 16:13:18,346 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2096099225]
[2021-10-08 16:13:18,346 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2096099225] provided 0 perfect and 1 imperfect interpolant sequences
[2021-10-08 16:13:18,346 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1091809116]
[2021-10-08 16:13:18,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-08 16:13:18,346 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-10-08 16:13:18,347 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3
[2021-10-08 16:13:18,348 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-10-08 16:13:18,369 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process
[2021-10-08 16:13:18,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-08 16:13:18,429 INFO L263 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 4 conjunts are in the unsatisfiable core
[2021-10-08 16:13:18,430 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-10-08 16:13:18,465 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked.
[2021-10-08 16:13:18,466 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1091809116] provided 0 perfect and 1 imperfect interpolant sequences
[2021-10-08 16:13:18,466 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2021-10-08 16:13:18,466 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 4
[2021-10-08 16:13:18,466 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [147504644]
[2021-10-08 16:13:18,467 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2021-10-08 16:13:18,467 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-08 16:13:18,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2021-10-08 16:13:18,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2021-10-08 16:13:18,468 INFO L87 Difference]: Start difference. First operand 1037 states and 3731 transitions. Second operand has 5 states, 4 states have (on average 3.5) internal successors, (14), 5 states have internal predecessors, (14), 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)
[2021-10-08 16:13:18,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-08 16:13:18,495 INFO L93 Difference]: Finished difference Result 1513 states and 5245 transitions.
[2021-10-08 16:13:18,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2021-10-08 16:13:18,495 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.5) internal successors, (14), 5 states have internal predecessors, (14), 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 13
[2021-10-08 16:13:18,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-08 16:13:18,503 INFO L225 Difference]: With dead ends: 1513
[2021-10-08 16:13:18,503 INFO L226 Difference]: Without dead ends: 1513
[2021-10-08 16:13:18,505 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.0ms TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2021-10-08 16:13:18,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1513 states.
[2021-10-08 16:13:18,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1513 to 1221.
[2021-10-08 16:13:18,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1221 states, 1218 states have (on average 3.6724137931034484) internal successors, (4473), 1220 states have internal predecessors, (4473), 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)
[2021-10-08 16:13:18,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1221 states to 1221 states and 4473 transitions.
[2021-10-08 16:13:18,553 INFO L78 Accepts]: Start accepts. Automaton has 1221 states and 4473 transitions. Word has length 13
[2021-10-08 16:13:18,553 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-10-08 16:13:18,553 INFO L470 AbstractCegarLoop]: Abstraction has 1221 states and 4473 transitions.
[2021-10-08 16:13:18,554 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.5) internal successors, (14), 5 states have internal predecessors, (14), 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)
[2021-10-08 16:13:18,554 INFO L276 IsEmpty]: Start isEmpty. Operand 1221 states and 4473 transitions.
[2021-10-08 16:13:18,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16
[2021-10-08 16:13:18,555 INFO L504 BasicCegarLoop]: Found error trace
[2021-10-08 16:13:18,555 INFO L512 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-08 16:13:18,597 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0
[2021-10-08 16:13:18,769 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,10 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-10-08 16:13:18,770 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] ===
[2021-10-08 16:13:18,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-08 16:13:18,772 INFO L82 PathProgramCache]: Analyzing trace with hash -686395596, now seen corresponding path program 2 times
[2021-10-08 16:13:18,772 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-08 16:13:18,772 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2050845709]
[2021-10-08 16:13:18,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-08 16:13:18,773 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-08 16:13:18,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-08 16:13:18,812 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2021-10-08 16:13:18,812 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-08 16:13:18,812 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2050845709]
[2021-10-08 16:13:18,813 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2050845709] provided 0 perfect and 1 imperfect interpolant sequences
[2021-10-08 16:13:18,813 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1400376432]
[2021-10-08 16:13:18,813 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2021-10-08 16:13:18,813 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-10-08 16:13:18,814 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3
[2021-10-08 16:13:18,814 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-10-08 16:13:18,834 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process
[2021-10-08 16:13:18,892 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s)
[2021-10-08 16:13:18,892 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2021-10-08 16:13:18,893 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 4 conjunts are in the unsatisfiable core
[2021-10-08 16:13:18,894 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-10-08 16:13:18,939 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked.
[2021-10-08 16:13:18,940 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1400376432] provided 0 perfect and 1 imperfect interpolant sequences
[2021-10-08 16:13:18,940 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2021-10-08 16:13:18,940 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 2] total 6
[2021-10-08 16:13:18,940 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [133450350]
[2021-10-08 16:13:18,941 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2021-10-08 16:13:18,941 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-08 16:13:18,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2021-10-08 16:13:18,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2021-10-08 16:13:18,942 INFO L87 Difference]: Start difference. First operand 1221 states and 4473 transitions. Second operand has 7 states, 6 states have (on average 4.666666666666667) internal successors, (28), 7 states have internal predecessors, (28), 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)
[2021-10-08 16:13:19,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-08 16:13:19,008 INFO L93 Difference]: Finished difference Result 1817 states and 6393 transitions.
[2021-10-08 16:13:19,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2021-10-08 16:13:19,009 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 4.666666666666667) internal successors, (28), 7 states have internal predecessors, (28), 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 15
[2021-10-08 16:13:19,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-08 16:13:19,015 INFO L225 Difference]: With dead ends: 1817
[2021-10-08 16:13:19,016 INFO L226 Difference]: Without dead ends: 1224
[2021-10-08 16:13:19,016 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 33.2ms TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110
[2021-10-08 16:13:19,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1224 states.
[2021-10-08 16:13:19,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1224 to 344.
[2021-10-08 16:13:19,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 344 states, 343 states have (on average 3.294460641399417) internal successors, (1130), 343 states have internal predecessors, (1130), 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)
[2021-10-08 16:13:19,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 344 states and 1130 transitions.
[2021-10-08 16:13:19,038 INFO L78 Accepts]: Start accepts. Automaton has 344 states and 1130 transitions. Word has length 15
[2021-10-08 16:13:19,039 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-10-08 16:13:19,039 INFO L470 AbstractCegarLoop]: Abstraction has 344 states and 1130 transitions.
[2021-10-08 16:13:19,039 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 4.666666666666667) internal successors, (28), 7 states have internal predecessors, (28), 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)
[2021-10-08 16:13:19,039 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 1130 transitions.
[2021-10-08 16:13:19,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16
[2021-10-08 16:13:19,040 INFO L504 BasicCegarLoop]: Found error trace
[2021-10-08 16:13:19,040 INFO L512 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 1, 1, 1, 1, 1, 1]
[2021-10-08 16:13:19,077 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0
[2021-10-08 16:13:19,253 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15
[2021-10-08 16:13:19,254 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] ===
[2021-10-08 16:13:19,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-08 16:13:19,255 INFO L82 PathProgramCache]: Analyzing trace with hash -749013926, now seen corresponding path program 2 times
[2021-10-08 16:13:19,255 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-08 16:13:19,255 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [821855911]
[2021-10-08 16:13:19,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-08 16:13:19,256 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-08 16:13:19,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-08 16:13:19,298 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked.
[2021-10-08 16:13:19,298 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-08 16:13:19,298 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [821855911]
[2021-10-08 16:13:19,299 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [821855911] provided 0 perfect and 1 imperfect interpolant sequences
[2021-10-08 16:13:19,299 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [151082924]
[2021-10-08 16:13:19,299 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2021-10-08 16:13:19,299 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-10-08 16:13:19,299 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3
[2021-10-08 16:13:19,300 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-10-08 16:13:19,318 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process
[2021-10-08 16:13:19,378 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s)
[2021-10-08 16:13:19,378 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2021-10-08 16:13:19,379 INFO L263 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 4 conjunts are in the unsatisfiable core
[2021-10-08 16:13:19,380 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-10-08 16:13:19,425 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked.
[2021-10-08 16:13:19,425 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [151082924] provided 0 perfect and 1 imperfect interpolant sequences
[2021-10-08 16:13:19,425 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2021-10-08 16:13:19,425 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 2] total 6
[2021-10-08 16:13:19,426 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [399082905]
[2021-10-08 16:13:19,426 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2021-10-08 16:13:19,426 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-08 16:13:19,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2021-10-08 16:13:19,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2021-10-08 16:13:19,427 INFO L87 Difference]: Start difference. First operand 344 states and 1130 transitions. Second operand has 7 states, 6 states have (on average 4.0) internal successors, (24), 7 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-08 16:13:19,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-08 16:13:19,485 INFO L93 Difference]: Finished difference Result 428 states and 1410 transitions.
[2021-10-08 16:13:19,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2021-10-08 16:13:19,485 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 4.0) internal successors, (24), 7 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15
[2021-10-08 16:13:19,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-08 16:13:19,486 INFO L225 Difference]: With dead ends: 428
[2021-10-08 16:13:19,486 INFO L226 Difference]: Without dead ends: 0
[2021-10-08 16:13:19,486 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 33.8ms TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110
[2021-10-08 16:13:19,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2021-10-08 16:13:19,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2021-10-08 16:13:19,487 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)
[2021-10-08 16:13:19,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2021-10-08 16:13:19,487 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 15
[2021-10-08 16:13:19,487 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-10-08 16:13:19,487 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2021-10-08 16:13:19,488 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 4.0) internal successors, (24), 7 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-08 16:13:19,488 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2021-10-08 16:13:19,488 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2021-10-08 16:13:19,490 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW
[2021-10-08 16:13:19,491 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW
[2021-10-08 16:13:19,491 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW
[2021-10-08 16:13:19,491 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW
[2021-10-08 16:13:19,492 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW
[2021-10-08 16:13:19,492 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW
[2021-10-08 16:13:19,492 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW
[2021-10-08 16:13:19,492 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW
[2021-10-08 16:13:19,492 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW
[2021-10-08 16:13:19,492 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW
[2021-10-08 16:13:19,493 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION
[2021-10-08 16:13:19,493 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION
[2021-10-08 16:13:19,493 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATION
[2021-10-08 16:13:19,493 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW
[2021-10-08 16:13:19,493 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW
[2021-10-08 16:13:19,493 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW
[2021-10-08 16:13:19,494 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW
[2021-10-08 16:13:19,494 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW
[2021-10-08 16:13:19,494 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW
[2021-10-08 16:13:19,532 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0
[2021-10-08 16:13:19,697 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,12 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-10-08 16:13:19,704 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2021-10-08 16:13:19,705 INFO L179 ceAbstractionStarter]: Computing trace abstraction results
[2021-10-08 16:13:19,706 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.10 04:13:19 BasicIcfg
[2021-10-08 16:13:19,707 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2021-10-08 16:13:19,707 INFO L113 PluginConnector]: ------------------------Witness Printer----------------------------
[2021-10-08 16:13:19,707 INFO L271 PluginConnector]: Initializing Witness Printer...
[2021-10-08 16:13:19,708 INFO L275 PluginConnector]: Witness Printer initialized
[2021-10-08 16:13:19,708 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.10 04:13:04" (3/4) ...
[2021-10-08 16:13:19,711 INFO L137 WitnessPrinter]: Generating witness for correct program
[2021-10-08 16:13:19,717 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1
[2021-10-08 16:13:19,718 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2
[2021-10-08 16:13:19,718 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3
[2021-10-08 16:13:19,724 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges
[2021-10-08 16:13:19,725 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges
[2021-10-08 16:13:19,725 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2021-10-08 16:13:19,726 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2021-10-08 16:13:19,781 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/weaver/popl20-more-parray-copy.wvr.c-witness.graphml
[2021-10-08 16:13:19,782 INFO L132 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2021-10-08 16:13:19,784 INFO L168 Benchmark]: Toolchain (without parser) took 16636.58 ms. Allocated memory was 165.7 MB in the beginning and 199.2 MB in the end (delta: 33.6 MB). Free memory was 140.2 MB in the beginning and 67.6 MB in the end (delta: 72.6 MB). Peak memory consumption was 106.8 MB. Max. memory is 8.0 GB.
[2021-10-08 16:13:19,784 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 165.7 MB. Free memory is still 138.5 MB. There was no memory consumed. Max. memory is 8.0 GB.
[2021-10-08 16:13:19,785 INFO L168 Benchmark]: CACSL2BoogieTranslator took 317.65 ms. Allocated memory is still 165.7 MB. Free memory was 139.8 MB in the beginning and 129.0 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB.
[2021-10-08 16:13:19,785 INFO L168 Benchmark]: Boogie Procedure Inliner took 62.93 ms. Allocated memory is still 165.7 MB. Free memory was 129.0 MB in the beginning and 127.1 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB.
[2021-10-08 16:13:19,785 INFO L168 Benchmark]: Boogie Preprocessor took 39.29 ms. Allocated memory is still 165.7 MB. Free memory was 127.1 MB in the beginning and 125.5 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB.
[2021-10-08 16:13:19,786 INFO L168 Benchmark]: RCFGBuilder took 721.13 ms. Allocated memory is still 165.7 MB. Free memory was 125.4 MB in the beginning and 140.4 MB in the end (delta: -15.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 8.0 GB.
[2021-10-08 16:13:19,786 INFO L168 Benchmark]: TraceAbstraction took 15402.94 ms. Allocated memory was 165.7 MB in the beginning and 199.2 MB in the end (delta: 33.6 MB). Free memory was 139.9 MB in the beginning and 71.8 MB in the end (delta: 68.1 MB). Peak memory consumption was 102.2 MB. Max. memory is 8.0 GB.
[2021-10-08 16:13:19,787 INFO L168 Benchmark]: Witness Printer took 74.60 ms. Allocated memory is still 199.2 MB. Free memory was 71.8 MB in the beginning and 67.6 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB.
[2021-10-08 16:13:19,789 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.23 ms. Allocated memory is still 165.7 MB. Free memory is still 138.5 MB. There was no memory consumed. Max. memory is 8.0 GB.
* CACSL2BoogieTranslator took 317.65 ms. Allocated memory is still 165.7 MB. Free memory was 139.8 MB in the beginning and 129.0 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB.
* Boogie Procedure Inliner took 62.93 ms. Allocated memory is still 165.7 MB. Free memory was 129.0 MB in the beginning and 127.1 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB.
* Boogie Preprocessor took 39.29 ms. Allocated memory is still 165.7 MB. Free memory was 127.1 MB in the beginning and 125.5 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB.
* RCFGBuilder took 721.13 ms. Allocated memory is still 165.7 MB. Free memory was 125.4 MB in the beginning and 140.4 MB in the end (delta: -15.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 8.0 GB.
* TraceAbstraction took 15402.94 ms. Allocated memory was 165.7 MB in the beginning and 199.2 MB in the end (delta: 33.6 MB). Free memory was 139.9 MB in the beginning and 71.8 MB in the end (delta: 68.1 MB). Peak memory consumption was 102.2 MB. Max. memory is 8.0 GB.
* Witness Printer took 74.60 ms. Allocated memory is still 199.2 MB. Free memory was 71.8 MB in the beginning and 67.6 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: PetriNetLargeBlockEncoding benchmarks
Lipton Reduction Statistics: ReductionTime: 7958.4ms, 202 PlacesBefore, 47 PlacesAfterwards, 209 TransitionsBefore, 42 TransitionsAfterwards, 2688 CoEnabledTransitionPairs, 7 FixpointIterations, 126 TrivialSequentialCompositions, 50 ConcurrentSequentialCompositions, 30 TrivialYvCompositions, 6 ConcurrentYvCompositions, 12 ChoiceCompositions, 224 TotalNumberOfCompositions, 5628 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 3091, positive: 2923, positive conditional: 0, positive unconditional: 2923, negative: 168, negative conditional: 0, negative unconditional: 168, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1706, positive: 1661, positive conditional: 0, positive unconditional: 1661, negative: 45, negative conditional: 0, negative unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1706, positive: 1661, positive conditional: 0, positive unconditional: 1661, negative: 45, negative conditional: 0, negative unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 45, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 45, negative conditional: 0, negative unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 124, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 124, negative conditional: 0, negative unconditional: 124, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3091, positive: 1262, positive conditional: 0, positive unconditional: 1262, negative: 123, negative conditional: 0, negative unconditional: 123, unknown: 1706, unknown conditional: 0, unknown unconditional: 1706] , Statistics on independence cache: Total cache size (in pairs): 123, Positive cache size: 108, Positive conditional cache size: 0, Positive unconditional cache size: 108, Negative cache size: 15, Negative conditional cache size: 0, Negative unconditional cache size: 15
- 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: 47]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 47]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 55]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 55]: 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: 102]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 102]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 102]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 102]: 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, 241 locations, 19 error locations. Started 1 CEGAR loops. OverallTime: 15163.0ms, OverallIterations: 17, TraceHistogramMax: 3, EmptinessCheckTime: 25.4ms, AutomataDifference: 1181.4ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 8087.1ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 631 SDtfs, 1065 SDslu, 1001 SDs, 0 SdLazy, 370 SolverSat, 76 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 357.5ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 161 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 343.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=1359occurred in iteration=10, InterpolantAutomatonStates: 79, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 757.5ms AutomataMinimizationTime, 17 MinimizatonAttempts, 5090 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 141.4ms SsaConstructionTime, 529.2ms SatisfiabilityAnalysisTime, 1199.6ms InterpolantComputationTime, 259 NumberOfCodeBlocks, 239 NumberOfCodeBlocksAsserted, 28 NumberOfCheckSat, 231 ConstructedInterpolants, 0 QuantifiedInterpolants, 613 SizeOfPredicates, 13 NumberOfNonLiveVariables, 1354 ConjunctsInSsa, 58 ConjunctsInUnsatCore, 28 InterpolantComputations, 10 PerfectInterpolantSequences, 79/119 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
10 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
[2021-10-08 16:13:19,833 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...