/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-DelaySleep-NoLbe-Random42.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread/triangular-1.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2abb09bbbae98a04ae2fcc735832bfdba44f6fbc-2abb09b [2021-06-06 13:00:36,209 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-06 13:00:36,211 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-06 13:00:36,242 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-06 13:00:36,242 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-06 13:00:36,245 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-06 13:00:36,247 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-06 13:00:36,251 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-06 13:00:36,253 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-06 13:00:36,256 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-06 13:00:36,256 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-06 13:00:36,257 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-06 13:00:36,258 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-06 13:00:36,259 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-06 13:00:36,260 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-06 13:00:36,261 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-06 13:00:36,263 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-06 13:00:36,263 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-06 13:00:36,265 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-06 13:00:36,269 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-06 13:00:36,270 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-06 13:00:36,271 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-06 13:00:36,271 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-06 13:00:36,273 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-06 13:00:36,277 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-06-06 13:00:36,280 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-06 13:00:36,280 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-06 13:00:36,281 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-06 13:00:36,282 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-06 13:00:36,283 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-06 13:00:36,283 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-06 13:00:36,283 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-06 13:00:36,283 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-06 13:00:36,283 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-06 13:00:36,284 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-06 13:00:36,284 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-06 13:00:36,287 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-DelaySleep-NoLbe-Random42.epf [2021-06-06 13:00:36,316 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-06 13:00:36,316 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-06 13:00:36,317 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-06 13:00:36,317 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-06 13:00:36,317 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-06 13:00:36,318 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-06 13:00:36,318 INFO L138 SettingsManager]: * Use SBE=true [2021-06-06 13:00:36,318 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-06 13:00:36,318 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-06 13:00:36,318 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-06 13:00:36,318 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-06 13:00:36,318 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-06 13:00:36,318 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-06 13:00:36,318 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-06 13:00:36,318 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-06 13:00:36,318 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-06 13:00:36,319 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-06 13:00:36,319 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-06 13:00:36,319 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-06 13:00:36,319 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-06 13:00:36,319 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-06 13:00:36,319 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-06 13:00:36,319 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-06 13:00:36,319 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-06 13:00:36,319 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-06 13:00:36,319 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-06 13:00:36,319 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-06 13:00:36,320 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-06 13:00:36,320 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-06-06 13:00:36,320 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-06 13:00:36,320 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-06 13:00:36,320 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-06 13:00:36,320 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-06 13:00:36,320 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-06 13:00:36,320 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-06-06 13:00:36,320 INFO L138 SettingsManager]: * Random seed used by POR DFS order=42 WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-06 13:00:36,552 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-06 13:00:36,570 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-06 13:00:36,572 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-06 13:00:36,573 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-06 13:00:36,574 INFO L275 PluginConnector]: CDTParser initialized [2021-06-06 13:00:36,575 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/triangular-1.i [2021-06-06 13:00:36,622 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8a35847b5/5cf1405fdb6c4d0fb89d6ff0fdfa1374/FLAG22bd0b30a [2021-06-06 13:00:36,978 INFO L306 CDTParser]: Found 1 translation units. [2021-06-06 13:00:36,979 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/triangular-1.i [2021-06-06 13:00:36,994 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8a35847b5/5cf1405fdb6c4d0fb89d6ff0fdfa1374/FLAG22bd0b30a [2021-06-06 13:00:37,378 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8a35847b5/5cf1405fdb6c4d0fb89d6ff0fdfa1374 [2021-06-06 13:00:37,384 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-06 13:00:37,386 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-06 13:00:37,387 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-06 13:00:37,388 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-06 13:00:37,390 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-06 13:00:37,391 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.06 01:00:37" (1/1) ... [2021-06-06 13:00:37,391 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b167a4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 01:00:37, skipping insertion in model container [2021-06-06 13:00:37,391 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.06 01:00:37" (1/1) ... [2021-06-06 13:00:37,397 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-06 13:00:37,434 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-06 13:00:37,724 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/triangular-1.i[30950,30963] [2021-06-06 13:00:37,728 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-06 13:00:37,734 INFO L203 MainTranslator]: Completed pre-run [2021-06-06 13:00:37,774 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/triangular-1.i[30950,30963] [2021-06-06 13:00:37,774 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-06 13:00:37,824 INFO L208 MainTranslator]: Completed translation [2021-06-06 13:00:37,825 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 01:00:37 WrapperNode [2021-06-06 13:00:37,825 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-06 13:00:37,826 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-06 13:00:37,826 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-06 13:00:37,826 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-06 13:00:37,831 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 01:00:37" (1/1) ... [2021-06-06 13:00:37,840 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 01:00:37" (1/1) ... [2021-06-06 13:00:37,852 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-06 13:00:37,852 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-06 13:00:37,852 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-06 13:00:37,853 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-06 13:00:37,857 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 01:00:37" (1/1) ... [2021-06-06 13:00:37,858 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 01:00:37" (1/1) ... [2021-06-06 13:00:37,859 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 01:00:37" (1/1) ... [2021-06-06 13:00:37,859 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 01:00:37" (1/1) ... [2021-06-06 13:00:37,862 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 01:00:37" (1/1) ... [2021-06-06 13:00:37,865 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 01:00:37" (1/1) ... [2021-06-06 13:00:37,866 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 01:00:37" (1/1) ... [2021-06-06 13:00:37,867 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-06 13:00:37,868 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-06 13:00:37,868 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-06 13:00:37,868 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-06 13:00:37,869 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 01:00:37" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-06 13:00:37,924 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2021-06-06 13:00:37,925 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2021-06-06 13:00:37,926 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2021-06-06 13:00:37,926 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2021-06-06 13:00:37,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-06 13:00:37,926 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-06-06 13:00:37,926 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-06 13:00:37,926 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-06 13:00:37,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-06 13:00:37,927 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-06-06 13:00:37,927 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-06 13:00:37,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-06 13:00:37,928 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-06 13:00:38,283 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-06 13:00:38,283 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-06-06 13:00:38,285 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 01:00:38 BoogieIcfgContainer [2021-06-06 13:00:38,285 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-06 13:00:38,286 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-06 13:00:38,286 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-06 13:00:38,288 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-06 13:00:38,288 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.06 01:00:37" (1/3) ... [2021-06-06 13:00:38,289 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@168a6a8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.06 01:00:38, skipping insertion in model container [2021-06-06 13:00:38,289 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 01:00:37" (2/3) ... [2021-06-06 13:00:38,289 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@168a6a8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.06 01:00:38, skipping insertion in model container [2021-06-06 13:00:38,289 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 01:00:38" (3/3) ... [2021-06-06 13:00:38,291 INFO L111 eAbstractionObserver]: Analyzing ICFG triangular-1.i [2021-06-06 13:00:38,295 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-06 13:00:38,295 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-06 13:00:38,295 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-06 13:00:38,296 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-06 13:00:38,330 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:38,330 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:38,330 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:38,330 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:38,330 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:38,330 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:38,331 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:38,331 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:38,331 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:38,331 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:38,332 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:38,332 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:38,332 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:38,332 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:38,332 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:38,332 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:38,333 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:38,333 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:38,333 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:38,333 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:38,334 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:38,334 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:38,334 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:38,335 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:38,335 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:38,335 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:38,335 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:38,335 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:38,335 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:38,336 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:38,336 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:38,336 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:38,337 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:38,337 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:38,337 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:38,337 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:38,337 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:38,337 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:38,337 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:38,337 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:38,338 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:38,338 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:38,338 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:38,338 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:38,338 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:38,338 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:38,338 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:38,339 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:38,339 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:38,339 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:38,339 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:38,339 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:38,339 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:38,339 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:38,341 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:38,341 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:38,343 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:38,343 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:38,343 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:38,343 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:38,343 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:38,344 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:38,348 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:38,348 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:38,348 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:38,349 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:38,349 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:38,349 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 13:00:38,350 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-06 13:00:38,365 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-06 13:00:38,399 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-06 13:00:38,399 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-06 13:00:38,399 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-06 13:00:38,399 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-06 13:00:38,399 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-06 13:00:38,399 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-06 13:00:38,400 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-06 13:00:38,400 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-06 13:00:38,541 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 13:00:38,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 13:00:38,545 INFO L82 PathProgramCache]: Analyzing trace with hash 2124835093, now seen corresponding path program 1 times [2021-06-06 13:00:38,550 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 13:00:38,551 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [596795333] [2021-06-06 13:00:38,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 13:00:38,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 13:00:38,937 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 13:00:38,938 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 13:00:38,938 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [596795333] [2021-06-06 13:00:38,938 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [596795333] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 13:00:38,938 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [770929936] [2021-06-06 13:00:38,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 13:00:39,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 13:00:39,027 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 9 conjunts are in the unsatisfiable core [2021-06-06 13:00:39,034 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 13:00:39,296 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 13:00:39,297 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [770929936] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 13:00:39,297 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 13:00:39,297 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 11 [2021-06-06 13:00:39,298 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1175172145] [2021-06-06 13:00:39,307 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-06 13:00:39,307 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 13:00:39,317 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-06 13:00:39,319 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2021-06-06 13:00:39,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 13:00:39,320 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 13:00:39,322 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 5.7272727272727275) internal successors, (63), 11 states have internal predecessors, (63), 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) [2021-06-06 13:00:39,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 13:00:39,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 13:00:39,747 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-06-06 13:00:39,747 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 13:00:39,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 13:00:39,748 INFO L82 PathProgramCache]: Analyzing trace with hash -1079392951, now seen corresponding path program 2 times [2021-06-06 13:00:39,748 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 13:00:39,748 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1486818001] [2021-06-06 13:00:39,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 13:00:39,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 13:00:39,971 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 13:00:39,972 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 13:00:39,972 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1486818001] [2021-06-06 13:00:39,972 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1486818001] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 13:00:39,972 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1495081375] [2021-06-06 13:00:39,972 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 13:00:40,063 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 13:00:40,063 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 13:00:40,064 INFO L263 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 12 conjunts are in the unsatisfiable core [2021-06-06 13:00:40,066 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 13:00:40,162 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 13:00:40,162 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1495081375] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 13:00:40,162 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 13:00:40,163 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 11 [2021-06-06 13:00:40,163 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1383191159] [2021-06-06 13:00:40,163 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-06 13:00:40,163 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 13:00:40,164 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-06 13:00:40,164 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2021-06-06 13:00:40,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 13:00:40,164 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 13:00:40,164 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 5.7272727272727275) internal successors, (63), 11 states have internal predecessors, (63), 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) [2021-06-06 13:00:40,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 13:00:40,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 13:00:40,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 13:00:40,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 13:00:40,660 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 13:00:40,661 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 13:00:40,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 13:00:40,661 INFO L82 PathProgramCache]: Analyzing trace with hash 317733862, now seen corresponding path program 3 times [2021-06-06 13:00:40,662 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 13:00:40,662 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [812350840] [2021-06-06 13:00:40,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 13:00:40,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 13:00:40,814 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 13:00:40,814 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 13:00:40,814 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [812350840] [2021-06-06 13:00:40,814 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [812350840] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 13:00:40,814 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1051231270] [2021-06-06 13:00:40,814 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 13:00:40,897 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-06-06 13:00:40,897 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 13:00:40,898 INFO L263 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 14 conjunts are in the unsatisfiable core [2021-06-06 13:00:40,900 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 13:00:41,051 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 13:00:41,051 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1051231270] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 13:00:41,051 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 13:00:41,051 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 13 [2021-06-06 13:00:41,052 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [789138289] [2021-06-06 13:00:41,053 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-06 13:00:41,053 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 13:00:41,054 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-06 13:00:41,055 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2021-06-06 13:00:41,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 13:00:41,055 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 13:00:41,056 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 5.923076923076923) internal successors, (77), 13 states have internal predecessors, (77), 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) [2021-06-06 13:00:41,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 13:00:41,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 13:00:41,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 13:00:41,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 13:00:41,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 13:00:41,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 13:00:41,741 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 13:00:41,741 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 13:00:41,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 13:00:41,742 INFO L82 PathProgramCache]: Analyzing trace with hash 1449108273, now seen corresponding path program 4 times [2021-06-06 13:00:41,742 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 13:00:41,742 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1117538283] [2021-06-06 13:00:41,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 13:00:41,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 13:00:41,908 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 79 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 13:00:41,908 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 13:00:41,908 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1117538283] [2021-06-06 13:00:41,908 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1117538283] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 13:00:41,908 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1816328903] [2021-06-06 13:00:41,908 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 13:00:41,993 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-06 13:00:41,993 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 13:00:41,994 INFO L263 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 12 conjunts are in the unsatisfiable core [2021-06-06 13:00:42,005 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 13:00:42,133 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 99 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 13:00:42,133 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1816328903] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 13:00:42,133 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 13:00:42,133 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 15 [2021-06-06 13:00:42,134 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761298032] [2021-06-06 13:00:42,134 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-06 13:00:42,134 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 13:00:42,134 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-06 13:00:42,134 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=156, Unknown=0, NotChecked=0, Total=210 [2021-06-06 13:00:42,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 13:00:42,134 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 13:00:42,135 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 6.533333333333333) internal successors, (98), 15 states have internal predecessors, (98), 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) [2021-06-06 13:00:42,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 13:00:42,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 13:00:42,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 13:00:42,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 13:00:42,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 13:00:42,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 13:00:42,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 13:00:42,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 13:00:42,744 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 13:00:42,747 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 13:00:42,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 13:00:42,747 INFO L82 PathProgramCache]: Analyzing trace with hash 956517037, now seen corresponding path program 5 times [2021-06-06 13:00:42,747 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 13:00:42,747 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589224632] [2021-06-06 13:00:42,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 13:00:42,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 13:00:42,877 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 13:00:42,878 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 13:00:42,878 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [589224632] [2021-06-06 13:00:42,878 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [589224632] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 13:00:42,878 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [855943582] [2021-06-06 13:00:42,878 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 13:00:42,976 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2021-06-06 13:00:42,977 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 13:00:42,989 INFO L263 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 16 conjunts are in the unsatisfiable core [2021-06-06 13:00:42,990 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 13:00:43,151 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 13:00:43,152 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [855943582] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 13:00:43,152 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 13:00:43,152 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 15 [2021-06-06 13:00:43,152 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1953337979] [2021-06-06 13:00:43,152 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-06 13:00:43,152 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 13:00:43,152 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-06 13:00:43,153 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2021-06-06 13:00:43,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 13:00:43,153 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 13:00:43,153 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 5.733333333333333) internal successors, (86), 15 states have internal predecessors, (86), 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) [2021-06-06 13:00:43,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 13:00:43,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 13:00:43,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 13:00:43,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 13:00:43,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 13:00:43,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 13:00:43,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 13:00:43,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 13:00:43,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 13:00:43,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 13:00:43,992 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 13:00:43,993 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 13:00:43,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 13:00:43,993 INFO L82 PathProgramCache]: Analyzing trace with hash -876550166, now seen corresponding path program 1 times [2021-06-06 13:00:43,993 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 13:00:43,993 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [698234446] [2021-06-06 13:00:43,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 13:00:44,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 13:00:44,085 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-06-06 13:00:44,085 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 13:00:44,085 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [698234446] [2021-06-06 13:00:44,086 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [698234446] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 13:00:44,086 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [471127427] [2021-06-06 13:00:44,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 13:00:44,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 13:00:44,146 INFO L263 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 11 conjunts are in the unsatisfiable core [2021-06-06 13:00:44,147 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 13:00:44,273 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-06-06 13:00:44,274 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [471127427] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 13:00:44,274 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 13:00:44,274 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 12 [2021-06-06 13:00:44,274 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [17005737] [2021-06-06 13:00:44,274 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-06 13:00:44,274 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 13:00:44,275 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-06 13:00:44,275 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-06-06 13:00:44,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 13:00:44,275 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 13:00:44,275 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 5.833333333333333) internal successors, (70), 12 states have internal predecessors, (70), 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) [2021-06-06 13:00:44,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 13:00:44,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 13:00:44,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 13:00:44,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 13:00:44,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 13:00:44,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 13:00:44,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 13:00:44,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 13:00:44,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 13:00:44,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 13:00:44,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 13:00:44,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 13:00:45,026 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 13:00:45,027 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 13:00:45,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 13:00:45,027 INFO L82 PathProgramCache]: Analyzing trace with hash 16747718, now seen corresponding path program 2 times [2021-06-06 13:00:45,027 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 13:00:45,027 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794998167] [2021-06-06 13:00:45,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 13:00:45,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 13:00:45,123 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-06-06 13:00:45,123 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 13:00:45,123 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [794998167] [2021-06-06 13:00:45,124 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [794998167] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 13:00:45,125 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [337939987] [2021-06-06 13:00:45,125 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 13:00:45,192 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 13:00:45,192 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 13:00:45,193 INFO L263 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 13 conjunts are in the unsatisfiable core [2021-06-06 13:00:45,195 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 13:00:45,347 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 1 proven. 71 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-06-06 13:00:45,347 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [337939987] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 13:00:45,348 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 13:00:45,348 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 14 [2021-06-06 13:00:45,348 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2017086466] [2021-06-06 13:00:45,348 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-06-06 13:00:45,348 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 13:00:45,348 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-06-06 13:00:45,349 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2021-06-06 13:00:45,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 13:00:45,349 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 13:00:45,349 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 5.714285714285714) internal successors, (80), 14 states have internal predecessors, (80), 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) [2021-06-06 13:00:45,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 13:00:45,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 13:00:45,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 13:00:45,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 13:00:45,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 13:00:45,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 13:00:45,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 13:00:46,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 13:00:46,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 13:00:46,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 13:00:46,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 13:00:46,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 13:00:46,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 13:00:46,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 13:00:46,278 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2021-06-06 13:00:46,278 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 13:00:46,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 13:00:46,279 INFO L82 PathProgramCache]: Analyzing trace with hash -1989922016, now seen corresponding path program 3 times [2021-06-06 13:00:46,279 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 13:00:46,279 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [933582872] [2021-06-06 13:00:46,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 13:00:46,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 13:00:46,382 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 101 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-06-06 13:00:46,383 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 13:00:46,383 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [933582872] [2021-06-06 13:00:46,383 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [933582872] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 13:00:46,383 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1605243355] [2021-06-06 13:00:46,383 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 13:00:46,479 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2021-06-06 13:00:46,480 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 13:00:46,480 INFO L263 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 15 conjunts are in the unsatisfiable core [2021-06-06 13:00:46,481 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 13:00:46,608 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 1 proven. 100 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-06-06 13:00:46,608 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1605243355] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 13:00:46,608 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 13:00:46,609 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 16 [2021-06-06 13:00:46,610 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2008658222] [2021-06-06 13:00:46,611 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-06-06 13:00:46,611 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 13:00:46,611 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-06-06 13:00:46,611 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=191, Unknown=0, NotChecked=0, Total=240 [2021-06-06 13:00:46,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 13:00:46,611 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 13:00:46,611 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 5.625) internal successors, (90), 16 states have internal predecessors, (90), 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) [2021-06-06 13:00:46,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 13:00:46,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 13:00:46,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 13:00:46,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 13:00:46,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 13:00:46,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 13:00:46,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 13:00:46,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 13:00:47,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 13:00:47,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 13:00:47,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 13:00:47,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 13:00:47,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 13:00:47,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 13:00:47,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 13:00:47,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 13:00:47,641 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 13:00:47,642 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 13:00:47,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 13:00:47,642 INFO L82 PathProgramCache]: Analyzing trace with hash 1254091580, now seen corresponding path program 4 times [2021-06-06 13:00:47,642 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 13:00:47,642 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [139601877] [2021-06-06 13:00:47,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 13:00:47,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 13:00:47,721 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 94 proven. 33 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-06 13:00:47,721 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 13:00:47,722 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [139601877] [2021-06-06 13:00:47,722 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [139601877] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 13:00:47,722 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [611450605] [2021-06-06 13:00:47,722 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 13:00:47,781 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-06 13:00:47,782 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 13:00:47,783 INFO L263 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 12 conjunts are in the unsatisfiable core [2021-06-06 13:00:47,783 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 13:00:47,916 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 111 proven. 16 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-06 13:00:47,916 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [611450605] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 13:00:47,916 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 13:00:47,916 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 15 [2021-06-06 13:00:47,916 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [967283746] [2021-06-06 13:00:47,917 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-06 13:00:47,917 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 13:00:47,917 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-06 13:00:47,917 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=156, Unknown=0, NotChecked=0, Total=210 [2021-06-06 13:00:47,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 13:00:47,917 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 13:00:47,917 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 6.666666666666667) internal successors, (100), 15 states have internal predecessors, (100), 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) [2021-06-06 13:00:47,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 13:00:47,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 13:00:47,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 13:00:47,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 13:00:47,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 13:00:47,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-06 13:00:47,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 13:00:47,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 13:00:47,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 13:00:50,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 13:00:50,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 13:00:50,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 13:00:50,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 13:00:50,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 13:00:50,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 13:00:50,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 13:00:50,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-06 13:00:50,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 13:00:50,890 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 13:00:50,891 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 13:00:50,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 13:00:50,891 INFO L82 PathProgramCache]: Analyzing trace with hash -1714277454, now seen corresponding path program 5 times [2021-06-06 13:00:50,891 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 13:00:50,891 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2125620661] [2021-06-06 13:00:50,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 13:00:50,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 13:00:51,098 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 13:00:51,098 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 13:00:51,098 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2125620661] [2021-06-06 13:00:51,098 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2125620661] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 13:00:51,098 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1172974183] [2021-06-06 13:00:51,098 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 13:00:51,196 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2021-06-06 13:00:51,196 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 13:00:51,197 INFO L263 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 16 conjunts are in the unsatisfiable core [2021-06-06 13:00:51,200 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 13:00:51,436 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 1 proven. 104 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 13:00:51,437 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1172974183] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 13:00:51,437 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 13:00:51,437 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 17 [2021-06-06 13:00:51,437 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [810109202] [2021-06-06 13:00:51,437 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-06-06 13:00:51,437 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 13:00:51,438 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-06-06 13:00:51,438 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=217, Unknown=0, NotChecked=0, Total=272 [2021-06-06 13:00:51,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 13:00:51,438 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 13:00:51,438 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 5.470588235294118) internal successors, (93), 17 states have internal predecessors, (93), 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) [2021-06-06 13:00:51,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 13:00:51,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 13:00:51,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 13:00:51,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 13:00:51,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 13:00:51,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 13:00:51,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 13:00:51,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-06-06 13:00:51,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 13:00:51,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 13:00:55,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 13:00:55,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 13:00:55,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 13:00:55,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 13:00:55,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 13:00:55,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 13:00:55,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 13:00:55,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-06-06 13:00:55,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 13:00:55,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-06 13:00:55,323 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-06-06 13:00:55,330 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-06 13:00:55,331 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.06 01:00:55 BasicIcfg [2021-06-06 13:00:55,331 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-06 13:00:55,332 INFO L168 Benchmark]: Toolchain (without parser) took 17946.22 ms. Allocated memory was 354.4 MB in the beginning and 2.2 GB in the end (delta: 1.9 GB). Free memory was 316.9 MB in the beginning and 1.5 GB in the end (delta: -1.2 GB). Peak memory consumption was 666.9 MB. Max. memory is 16.0 GB. [2021-06-06 13:00:55,332 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 354.4 MB. Free memory was 334.9 MB in the beginning and 334.8 MB in the end (delta: 70.4 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-06 13:00:55,332 INFO L168 Benchmark]: CACSL2BoogieTranslator took 438.22 ms. Allocated memory is still 354.4 MB. Free memory was 316.6 MB in the beginning and 316.8 MB in the end (delta: -166.0 kB). Peak memory consumption was 7.2 MB. Max. memory is 16.0 GB. [2021-06-06 13:00:55,332 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.77 ms. Allocated memory is still 354.4 MB. Free memory was 316.8 MB in the beginning and 314.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-06 13:00:55,332 INFO L168 Benchmark]: Boogie Preprocessor took 15.15 ms. Allocated memory is still 354.4 MB. Free memory was 314.8 MB in the beginning and 313.8 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-06 13:00:55,332 INFO L168 Benchmark]: RCFGBuilder took 416.68 ms. Allocated memory is still 354.4 MB. Free memory was 313.8 MB in the beginning and 291.8 MB in the end (delta: 22.0 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.0 GB. [2021-06-06 13:00:55,332 INFO L168 Benchmark]: TraceAbstraction took 17045.48 ms. Allocated memory was 354.4 MB in the beginning and 2.2 GB in the end (delta: 1.9 GB). Free memory was 291.8 MB in the beginning and 1.5 GB in the end (delta: -1.2 GB). Peak memory consumption was 642.7 MB. Max. memory is 16.0 GB. [2021-06-06 13:00:55,333 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 354.4 MB. Free memory was 334.9 MB in the beginning and 334.8 MB in the end (delta: 70.4 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 438.22 ms. Allocated memory is still 354.4 MB. Free memory was 316.6 MB in the beginning and 316.8 MB in the end (delta: -166.0 kB). Peak memory consumption was 7.2 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 25.77 ms. Allocated memory is still 354.4 MB. Free memory was 316.8 MB in the beginning and 314.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 15.15 ms. Allocated memory is still 354.4 MB. Free memory was 314.8 MB in the beginning and 313.8 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 416.68 ms. Allocated memory is still 354.4 MB. Free memory was 313.8 MB in the beginning and 291.8 MB in the end (delta: 22.0 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.0 GB. * TraceAbstraction took 17045.48 ms. Allocated memory was 354.4 MB in the beginning and 2.2 GB in the end (delta: 1.9 GB). Free memory was 291.8 MB in the beginning and 1.5 GB in the end (delta: -1.2 GB). Peak memory consumption was 642.7 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 787126, positive: 649726, positive conditional: 649726, positive unconditional: 0, negative: 137400, negative conditional: 137400, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 652791, positive: 649726, positive conditional: 649726, positive unconditional: 0, negative: 3065, negative conditional: 3065, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 652791, positive: 647657, positive conditional: 0, positive unconditional: 647657, negative: 5134, negative conditional: 0, negative unconditional: 5134, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 803, positive: 797, positive conditional: 0, positive unconditional: 797, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 803, positive: 797, positive conditional: 0, positive unconditional: 797, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 241, positive: 22, positive conditional: 22, positive unconditional: 0, negative: 219, negative conditional: 213, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 319, positive: 27, positive conditional: 27, positive unconditional: 0, negative: 292, negative conditional: 265, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 652791, positive: 646860, positive conditional: 0, positive unconditional: 646860, negative: 5128, negative conditional: 0, negative unconditional: 5128, unknown: 803, unknown conditional: 0, unknown unconditional: 803] , Statistics on independence cache: Total cache size (in pairs): 1038, Positive cache size: 819, Positive conditional cache size: 22, Positive unconditional cache size: 797, Negative cache size: 219, Negative conditional cache size: 213, Negative unconditional cache size: 6, SemanticConditionEliminator.Independence Queries: [ total: 33709, positive: 2069, positive conditional: 2069, positive unconditional: 0, negative: 31640, negative conditional: 18814, negative unconditional: 12826, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 33709, positive: 2069, positive conditional: 2069, positive unconditional: 0, negative: 31640, negative conditional: 18814, negative unconditional: 12826, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 241, positive: 22, positive conditional: 22, positive unconditional: 0, negative: 219, negative conditional: 213, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 319, positive: 27, positive conditional: 27, positive unconditional: 0, negative: 292, negative conditional: 265, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 33709, positive: 2047, positive conditional: 2047, positive unconditional: 0, negative: 31427, negative conditional: 18601, negative unconditional: 12826, unknown: 235, unknown conditional: 235, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1038, Positive cache size: 819, Positive conditional cache size: 22, Positive unconditional cache size: 797, Negative cache size: 219, Negative conditional cache size: 213, Negative unconditional cache size: 6, Eliminated conditions: 12826, SemanticConditionEliminator.Independence Queries: [ total: 33709, positive: 2069, positive conditional: 2069, positive unconditional: 0, negative: 31640, negative conditional: 18814, negative unconditional: 12826, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 33709, positive: 2069, positive conditional: 2069, positive unconditional: 0, negative: 31640, negative conditional: 18814, negative unconditional: 12826, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 241, positive: 22, positive conditional: 22, positive unconditional: 0, negative: 219, negative conditional: 213, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 319, positive: 27, positive conditional: 27, positive unconditional: 0, negative: 292, negative conditional: 265, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 33709, positive: 2047, positive conditional: 2047, positive unconditional: 0, negative: 31427, negative conditional: 18601, negative unconditional: 12826, unknown: 235, unknown conditional: 235, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1038, Positive cache size: 819, Positive conditional cache size: 22, Positive unconditional cache size: 797, Negative cache size: 219, Negative conditional cache size: 213, Negative unconditional cache size: 6, Eliminated conditions: 12826, SemanticConditionEliminator.Independence Queries: [ total: 33709, positive: 2069, positive conditional: 2069, positive unconditional: 0, negative: 31640, negative conditional: 18814, negative unconditional: 12826, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 33709, positive: 2069, positive conditional: 2069, positive unconditional: 0, negative: 31640, negative conditional: 18814, negative unconditional: 12826, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 241, positive: 22, positive conditional: 22, positive unconditional: 0, negative: 219, negative conditional: 213, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 319, positive: 27, positive conditional: 27, positive unconditional: 0, negative: 292, negative conditional: 265, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 33709, positive: 2047, positive conditional: 2047, positive unconditional: 0, negative: 31427, negative conditional: 18601, negative unconditional: 12826, unknown: 235, unknown conditional: 235, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1038, Positive cache size: 819, Positive conditional cache size: 22, Positive unconditional cache size: 797, Negative cache size: 219, Negative conditional cache size: 213, Negative unconditional cache size: 6, Eliminated conditions: 12826, SemanticConditionEliminator.Independence Queries: [ total: 33709, positive: 2069, positive conditional: 2069, positive unconditional: 0, negative: 31640, negative conditional: 18814, negative unconditional: 12826, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 33709, positive: 2069, positive conditional: 2069, positive unconditional: 0, negative: 31640, negative conditional: 18814, negative unconditional: 12826, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 241, positive: 22, positive conditional: 22, positive unconditional: 0, negative: 219, negative conditional: 213, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 319, positive: 27, positive conditional: 27, positive unconditional: 0, negative: 292, negative conditional: 265, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 33709, positive: 2047, positive conditional: 2047, positive unconditional: 0, negative: 31427, negative conditional: 18601, negative unconditional: 12826, unknown: 235, unknown conditional: 235, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1038, Positive cache size: 819, Positive conditional cache size: 22, Positive unconditional cache size: 797, Negative cache size: 219, Negative conditional cache size: 213, Negative unconditional cache size: 6, Eliminated conditions: 12826, SemanticConditionEliminator.Independence Queries: [ total: 33709, positive: 2069, positive conditional: 2069, positive unconditional: 0, negative: 31640, negative conditional: 18814, negative unconditional: 12826, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 33709, positive: 2069, positive conditional: 2069, positive unconditional: 0, negative: 31640, negative conditional: 18814, negative unconditional: 12826, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 241, positive: 22, positive conditional: 22, positive unconditional: 0, negative: 219, negative conditional: 213, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 319, positive: 27, positive conditional: 27, positive unconditional: 0, negative: 292, negative conditional: 265, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 33709, positive: 2047, positive conditional: 2047, positive unconditional: 0, negative: 31427, negative conditional: 18601, negative unconditional: 12826, unknown: 235, unknown conditional: 235, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1038, Positive cache size: 819, Positive conditional cache size: 22, Positive unconditional cache size: 797, Negative cache size: 219, Negative conditional cache size: 213, Negative unconditional cache size: 6, Eliminated conditions: 12826, SemanticConditionEliminator.Independence Queries: [ total: 33709, positive: 2069, positive conditional: 2069, positive unconditional: 0, negative: 31640, negative conditional: 18814, negative unconditional: 12826, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 33709, positive: 2069, positive conditional: 2069, positive unconditional: 0, negative: 31640, negative conditional: 18814, negative unconditional: 12826, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 241, positive: 22, positive conditional: 22, positive unconditional: 0, negative: 219, negative conditional: 213, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 319, positive: 27, positive conditional: 27, positive unconditional: 0, negative: 292, negative conditional: 265, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 33709, positive: 2047, positive conditional: 2047, positive unconditional: 0, negative: 31427, negative conditional: 18601, negative unconditional: 12826, unknown: 235, unknown conditional: 235, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1038, Positive cache size: 819, Positive conditional cache size: 22, Positive unconditional cache size: 797, Negative cache size: 219, Negative conditional cache size: 213, Negative unconditional cache size: 6, Eliminated conditions: 12826, SemanticConditionEliminator.Independence Queries: [ total: 33709, positive: 2069, positive conditional: 2069, positive unconditional: 0, negative: 31640, negative conditional: 18814, negative unconditional: 12826, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 33709, positive: 2069, positive conditional: 2069, positive unconditional: 0, negative: 31640, negative conditional: 18814, negative unconditional: 12826, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 241, positive: 22, positive conditional: 22, positive unconditional: 0, negative: 219, negative conditional: 213, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 319, positive: 27, positive conditional: 27, positive unconditional: 0, negative: 292, negative conditional: 265, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 33709, positive: 2047, positive conditional: 2047, positive unconditional: 0, negative: 31427, negative conditional: 18601, negative unconditional: 12826, unknown: 235, unknown conditional: 235, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1038, Positive cache size: 819, Positive conditional cache size: 22, Positive unconditional cache size: 797, Negative cache size: 219, Negative conditional cache size: 213, Negative unconditional cache size: 6, Eliminated conditions: 12826, SemanticConditionEliminator.Independence Queries: [ total: 33709, positive: 2069, positive conditional: 2069, positive unconditional: 0, negative: 31640, negative conditional: 18814, negative unconditional: 12826, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 33709, positive: 2069, positive conditional: 2069, positive unconditional: 0, negative: 31640, negative conditional: 18814, negative unconditional: 12826, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 241, positive: 22, positive conditional: 22, positive unconditional: 0, negative: 219, negative conditional: 213, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 319, positive: 27, positive conditional: 27, positive unconditional: 0, negative: 292, negative conditional: 265, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 33709, positive: 2047, positive conditional: 2047, positive unconditional: 0, negative: 31427, negative conditional: 18601, negative unconditional: 12826, unknown: 235, unknown conditional: 235, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1038, Positive cache size: 819, Positive conditional cache size: 22, Positive unconditional cache size: 797, Negative cache size: 219, Negative conditional cache size: 213, Negative unconditional cache size: 6, Eliminated conditions: 12826, SemanticConditionEliminator.Independence Queries: [ total: 33709, positive: 2069, positive conditional: 2069, positive unconditional: 0, negative: 31640, negative conditional: 18814, negative unconditional: 12826, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 33709, positive: 2069, positive conditional: 2069, positive unconditional: 0, negative: 31640, negative conditional: 18814, negative unconditional: 12826, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 241, positive: 22, positive conditional: 22, positive unconditional: 0, negative: 219, negative conditional: 213, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 319, positive: 27, positive conditional: 27, positive unconditional: 0, negative: 292, negative conditional: 265, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 33709, positive: 2047, positive conditional: 2047, positive unconditional: 0, negative: 31427, negative conditional: 18601, negative unconditional: 12826, unknown: 235, unknown conditional: 235, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1038, Positive cache size: 819, Positive conditional cache size: 22, Positive unconditional cache size: 797, Negative cache size: 219, Negative conditional cache size: 213, Negative unconditional cache size: 6, Eliminated conditions: 12826, SemanticConditionEliminator.Independence Queries: [ total: 33709, positive: 2069, positive conditional: 2069, positive unconditional: 0, negative: 31640, negative conditional: 18814, negative unconditional: 12826, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 33709, positive: 2069, positive conditional: 2069, positive unconditional: 0, negative: 31640, negative conditional: 18814, negative unconditional: 12826, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 241, positive: 22, positive conditional: 22, positive unconditional: 0, negative: 219, negative conditional: 213, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 319, positive: 27, positive conditional: 27, positive unconditional: 0, negative: 292, negative conditional: 265, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 33709, positive: 2047, positive conditional: 2047, positive unconditional: 0, negative: 31427, negative conditional: 18601, negative unconditional: 12826, unknown: 235, unknown conditional: 235, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1038, Positive cache size: 819, Positive conditional cache size: 22, Positive unconditional cache size: 797, Negative cache size: 219, Negative conditional cache size: 213, Negative unconditional cache size: 6, Eliminated conditions: 12826 ], Maximal queried relation: 10, Independence queries for same thread: 134335 - PositiveResult [Line: 722]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 84 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 16951.7ms, OverallIterations: 10, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 9.7ms, PartialOrderReductionTime: 10643.2ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 260, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 160.6ms SsaConstructionTime, 428.2ms SatisfiabilityAnalysisTime, 2979.2ms InterpolantComputationTime, 1602 NumberOfCodeBlocks, 1594 NumberOfCodeBlocksAsserted, 45 NumberOfCheckSat, 1582 ConstructedInterpolants, 0 QuantifiedInterpolants, 5233 SizeOfPredicates, 86 NumberOfNonLiveVariables, 1742 ConjunctsInSsa, 130 ConjunctsInUnsatCore, 20 InterpolantComputations, 0 PerfectInterpolantSequences, 480/1590 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 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...