/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/mcr/example_15.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-820ea7a [2022-02-19 03:28:32,409 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-19 03:28:32,432 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-19 03:28:32,464 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-19 03:28:32,465 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-19 03:28:32,468 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-19 03:28:32,470 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-19 03:28:32,477 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-19 03:28:32,479 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-19 03:28:32,481 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-19 03:28:32,481 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-19 03:28:32,482 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-19 03:28:32,482 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-19 03:28:32,483 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-19 03:28:32,483 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-19 03:28:32,484 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-19 03:28:32,485 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-19 03:28:32,485 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-19 03:28:32,487 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-19 03:28:32,488 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-19 03:28:32,489 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-19 03:28:32,495 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-19 03:28:32,500 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-19 03:28:32,501 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-19 03:28:32,507 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-19 03:28:32,507 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-19 03:28:32,507 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-19 03:28:32,508 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-19 03:28:32,508 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-19 03:28:32,509 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-19 03:28:32,509 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-19 03:28:32,509 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-19 03:28:32,510 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-19 03:28:32,511 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-19 03:28:32,511 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-19 03:28:32,512 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-19 03:28:32,512 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-19 03:28:32,512 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-19 03:28:32,512 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-19 03:28:32,513 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-19 03:28:32,514 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-19 03:28:32,518 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-NewStatesSleepPersistentFixedOrder-NoLbe.epf [2022-02-19 03:28:32,550 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-19 03:28:32,550 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-19 03:28:32,550 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-19 03:28:32,550 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-19 03:28:32,551 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-19 03:28:32,551 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-19 03:28:32,551 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-19 03:28:32,551 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-19 03:28:32,551 INFO L138 SettingsManager]: * Use SBE=true [2022-02-19 03:28:32,551 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-19 03:28:32,551 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-19 03:28:32,551 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-19 03:28:32,552 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-19 03:28:32,552 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-19 03:28:32,552 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-19 03:28:32,552 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-19 03:28:32,552 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-19 03:28:32,552 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-19 03:28:32,552 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-19 03:28:32,552 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-19 03:28:32,552 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-19 03:28:32,552 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-19 03:28:32,552 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-19 03:28:32,553 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-19 03:28:32,553 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-19 03:28:32,553 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-19 03:28:32,553 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-19 03:28:32,553 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-02-19 03:28:32,553 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-19 03:28:32,553 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-19 03:28:32,553 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-19 03:28:32,553 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-19 03:28:32,553 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-19 03:28:32,553 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-19 03:28:32,554 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-19 03:28:32,554 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-02-19 03:28:32,554 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-02-19 03:28:32,554 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-19 03:28:32,770 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-19 03:28:32,796 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-19 03:28:32,797 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-19 03:28:32,801 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-02-19 03:28:32,802 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-02-19 03:28:32,803 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/mcr/example_15.bpl [2022-02-19 03:28:32,803 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/mcr/example_15.bpl' [2022-02-19 03:28:32,841 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-19 03:28:32,842 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-02-19 03:28:32,843 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-19 03:28:32,850 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-19 03:28:32,850 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-19 03:28:32,876 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "example_15.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 03:28:32" (1/1) ... [2022-02-19 03:28:32,889 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "example_15.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 03:28:32" (1/1) ... [2022-02-19 03:28:32,896 INFO L137 Inliner]: procedures = 16, calls = 15, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-02-19 03:28:32,897 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-19 03:28:32,898 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-19 03:28:32,898 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-19 03:28:32,898 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-19 03:28:32,903 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "example_15.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 03:28:32" (1/1) ... [2022-02-19 03:28:32,903 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "example_15.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 03:28:32" (1/1) ... [2022-02-19 03:28:32,905 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "example_15.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 03:28:32" (1/1) ... [2022-02-19 03:28:32,905 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "example_15.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 03:28:32" (1/1) ... [2022-02-19 03:28:32,908 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "example_15.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 03:28:32" (1/1) ... [2022-02-19 03:28:32,909 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "example_15.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 03:28:32" (1/1) ... [2022-02-19 03:28:32,910 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "example_15.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 03:28:32" (1/1) ... [2022-02-19 03:28:32,911 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-19 03:28:32,912 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-19 03:28:32,912 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-19 03:28:32,912 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-19 03:28:32,914 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example_15.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 03:28:32" (1/1) ... [2022-02-19 03:28:32,919 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-19 03:28:32,927 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 03:28:32,971 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-19 03:28:33,011 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-19 03:28:33,042 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_14 given in one single declaration [2022-02-19 03:28:33,043 INFO L130 BoogieDeclarations]: Found specification of procedure set_14 [2022-02-19 03:28:33,043 INFO L138 BoogieDeclarations]: Found implementation of procedure set_14 [2022-02-19 03:28:33,043 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_1 given in one single declaration [2022-02-19 03:28:33,043 INFO L130 BoogieDeclarations]: Found specification of procedure set_1 [2022-02-19 03:28:33,043 INFO L138 BoogieDeclarations]: Found implementation of procedure set_1 [2022-02-19 03:28:33,043 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_2 given in one single declaration [2022-02-19 03:28:33,043 INFO L130 BoogieDeclarations]: Found specification of procedure set_2 [2022-02-19 03:28:33,043 INFO L138 BoogieDeclarations]: Found implementation of procedure set_2 [2022-02-19 03:28:33,044 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_3 given in one single declaration [2022-02-19 03:28:33,044 INFO L130 BoogieDeclarations]: Found specification of procedure set_3 [2022-02-19 03:28:33,044 INFO L138 BoogieDeclarations]: Found implementation of procedure set_3 [2022-02-19 03:28:33,046 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_4 given in one single declaration [2022-02-19 03:28:33,046 INFO L130 BoogieDeclarations]: Found specification of procedure set_4 [2022-02-19 03:28:33,048 INFO L138 BoogieDeclarations]: Found implementation of procedure set_4 [2022-02-19 03:28:33,048 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_0 given in one single declaration [2022-02-19 03:28:33,048 INFO L130 BoogieDeclarations]: Found specification of procedure set_0 [2022-02-19 03:28:33,048 INFO L138 BoogieDeclarations]: Found implementation of procedure set_0 [2022-02-19 03:28:33,049 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_9 given in one single declaration [2022-02-19 03:28:33,049 INFO L130 BoogieDeclarations]: Found specification of procedure set_9 [2022-02-19 03:28:33,049 INFO L138 BoogieDeclarations]: Found implementation of procedure set_9 [2022-02-19 03:28:33,049 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-02-19 03:28:33,049 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-19 03:28:33,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-19 03:28:33,049 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_12 given in one single declaration [2022-02-19 03:28:33,049 INFO L130 BoogieDeclarations]: Found specification of procedure set_12 [2022-02-19 03:28:33,049 INFO L138 BoogieDeclarations]: Found implementation of procedure set_12 [2022-02-19 03:28:33,049 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_5 given in one single declaration [2022-02-19 03:28:33,049 INFO L130 BoogieDeclarations]: Found specification of procedure set_5 [2022-02-19 03:28:33,049 INFO L138 BoogieDeclarations]: Found implementation of procedure set_5 [2022-02-19 03:28:33,049 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_13 given in one single declaration [2022-02-19 03:28:33,049 INFO L130 BoogieDeclarations]: Found specification of procedure set_13 [2022-02-19 03:28:33,050 INFO L138 BoogieDeclarations]: Found implementation of procedure set_13 [2022-02-19 03:28:33,050 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_6 given in one single declaration [2022-02-19 03:28:33,050 INFO L130 BoogieDeclarations]: Found specification of procedure set_6 [2022-02-19 03:28:33,050 INFO L138 BoogieDeclarations]: Found implementation of procedure set_6 [2022-02-19 03:28:33,050 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_10 given in one single declaration [2022-02-19 03:28:33,050 INFO L130 BoogieDeclarations]: Found specification of procedure set_10 [2022-02-19 03:28:33,050 INFO L138 BoogieDeclarations]: Found implementation of procedure set_10 [2022-02-19 03:28:33,050 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_7 given in one single declaration [2022-02-19 03:28:33,050 INFO L130 BoogieDeclarations]: Found specification of procedure set_7 [2022-02-19 03:28:33,050 INFO L138 BoogieDeclarations]: Found implementation of procedure set_7 [2022-02-19 03:28:33,051 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_11 given in one single declaration [2022-02-19 03:28:33,051 INFO L130 BoogieDeclarations]: Found specification of procedure set_11 [2022-02-19 03:28:33,051 INFO L138 BoogieDeclarations]: Found implementation of procedure set_11 [2022-02-19 03:28:33,051 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_8 given in one single declaration [2022-02-19 03:28:33,051 INFO L130 BoogieDeclarations]: Found specification of procedure set_8 [2022-02-19 03:28:33,051 INFO L138 BoogieDeclarations]: Found implementation of procedure set_8 [2022-02-19 03:28:33,052 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-19 03:28:33,095 INFO L234 CfgBuilder]: Building ICFG [2022-02-19 03:28:33,097 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-19 03:28:33,174 INFO L275 CfgBuilder]: Performing block encoding [2022-02-19 03:28:33,180 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-19 03:28:33,180 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-19 03:28:33,182 INFO L202 PluginConnector]: Adding new model example_15.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 03:28:33 BoogieIcfgContainer [2022-02-19 03:28:33,182 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-19 03:28:33,183 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-19 03:28:33,183 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-19 03:28:33,185 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-19 03:28:33,186 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example_15.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 03:28:32" (1/2) ... [2022-02-19 03:28:33,186 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@791eeb5c and model type example_15.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 03:28:33, skipping insertion in model container [2022-02-19 03:28:33,186 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example_15.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 03:28:33" (2/2) ... [2022-02-19 03:28:33,187 INFO L111 eAbstractionObserver]: Analyzing ICFG example_15.bpl [2022-02-19 03:28:33,191 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-19 03:28:33,191 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-19 03:28:33,191 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-19 03:28:33,191 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-19 03:28:33,329 INFO L148 ThreadInstanceAdder]: Constructed 225 joinOtherThreadTransitions. [2022-02-19 03:28:33,362 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-19 03:28:33,362 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 03:28:33,363 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-02-19 03:28:33,364 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-02-19 03:28:33,388 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-02-19 03:28:33,393 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=true, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=true [2022-02-19 03:28:33,393 INFO L340 AbstractCegarLoop]: Starting to check reachability of 16 error locations. [2022-02-19 03:28:34,033 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 12 more)] === [2022-02-19 03:28:34,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 03:28:34,042 INFO L85 PathProgramCache]: Analyzing trace with hash 1912960261, now seen corresponding path program 1 times [2022-02-19 03:28:34,047 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 03:28:34,048 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [292038437] [2022-02-19 03:28:34,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 03:28:34,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 03:28:34,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 03:28:34,194 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 03:28:34,194 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 03:28:34,195 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [292038437] [2022-02-19 03:28:34,195 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [292038437] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-19 03:28:34,195 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-19 03:28:34,195 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-19 03:28:34,197 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232149401] [2022-02-19 03:28:34,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 03:28:34,202 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-19 03:28:34,202 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 03:28:34,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-19 03:28:34,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-19 03:28:34,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 03:28:34,253 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 03:28:34,255 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-19 03:28:34,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 03:28:34,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 03:28:34,467 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-19 03:28:34,467 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 12 more)] === [2022-02-19 03:28:34,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 03:28:34,468 INFO L85 PathProgramCache]: Analyzing trace with hash 13913469, now seen corresponding path program 1 times [2022-02-19 03:28:34,468 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 03:28:34,468 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1419314859] [2022-02-19 03:28:34,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 03:28:34,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 03:28:34,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 03:28:34,544 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 03:28:34,544 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 03:28:34,544 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1419314859] [2022-02-19 03:28:34,544 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1419314859] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-19 03:28:34,544 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-19 03:28:34,544 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-19 03:28:34,545 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761448521] [2022-02-19 03:28:34,545 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 03:28:34,546 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-19 03:28:34,546 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 03:28:34,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-19 03:28:34,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-19 03:28:34,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 03:28:34,547 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 03:28:34,547 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-19 03:28:34,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 03:28:34,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 03:28:34,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 03:28:34,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 03:28:34,707 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-19 03:28:34,708 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 12 more)] === [2022-02-19 03:28:34,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 03:28:34,709 INFO L85 PathProgramCache]: Analyzing trace with hash -304361407, now seen corresponding path program 1 times [2022-02-19 03:28:34,709 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 03:28:34,709 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [88650572] [2022-02-19 03:28:34,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 03:28:34,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 03:28:34,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 03:28:34,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 03:28:34,749 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 03:28:34,750 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [88650572] [2022-02-19 03:28:34,751 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [88650572] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-19 03:28:34,752 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-19 03:28:34,752 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-19 03:28:34,752 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [98192899] [2022-02-19 03:28:34,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 03:28:34,753 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-19 03:28:34,753 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 03:28:34,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-19 03:28:34,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-19 03:28:34,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 03:28:34,754 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 03:28:34,754 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-19 03:28:34,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 03:28:34,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 03:28:34,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 03:28:34,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 03:28:34,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 03:28:34,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 03:28:34,898 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-19 03:28:34,898 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 12 more)] === [2022-02-19 03:28:34,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 03:28:34,898 INFO L85 PathProgramCache]: Analyzing trace with hash 1972519903, now seen corresponding path program 1 times [2022-02-19 03:28:34,899 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 03:28:34,899 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1072661357] [2022-02-19 03:28:34,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 03:28:34,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 03:28:34,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 03:28:34,964 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 03:28:34,964 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 03:28:34,966 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1072661357] [2022-02-19 03:28:34,967 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1072661357] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-19 03:28:34,967 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-19 03:28:34,967 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-19 03:28:34,967 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705880025] [2022-02-19 03:28:34,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 03:28:34,967 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-19 03:28:34,967 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 03:28:34,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-19 03:28:34,968 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-19 03:28:34,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 03:28:34,968 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 03:28:34,968 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-19 03:28:34,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 03:28:34,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 03:28:34,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 03:28:34,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 03:28:35,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 03:28:35,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 03:28:35,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 03:28:35,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 03:28:35,115 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-02-19 03:28:35,115 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 12 more)] === [2022-02-19 03:28:35,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 03:28:35,117 INFO L85 PathProgramCache]: Analyzing trace with hash 1099469189, now seen corresponding path program 1 times [2022-02-19 03:28:35,117 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 03:28:35,117 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1010653340] [2022-02-19 03:28:35,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 03:28:35,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 03:28:35,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 03:28:35,185 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 03:28:35,185 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 03:28:35,185 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1010653340] [2022-02-19 03:28:35,185 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1010653340] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-19 03:28:35,185 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-19 03:28:35,185 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-19 03:28:35,185 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1345413126] [2022-02-19 03:28:35,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 03:28:35,186 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-19 03:28:35,186 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 03:28:35,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-19 03:28:35,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-19 03:28:35,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 03:28:35,186 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 03:28:35,187 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-19 03:28:35,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 03:28:35,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 03:28:35,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 03:28:35,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 03:28:35,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 03:28:35,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 03:28:35,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 03:28:35,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 03:28:35,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 03:28:35,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 03:28:35,377 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-02-19 03:28:35,377 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 12 more)] === [2022-02-19 03:28:35,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 03:28:35,377 INFO L85 PathProgramCache]: Analyzing trace with hash 420357885, now seen corresponding path program 1 times [2022-02-19 03:28:35,377 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 03:28:35,377 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1736171145] [2022-02-19 03:28:35,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 03:28:35,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 03:28:35,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 03:28:35,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 03:28:35,414 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 03:28:35,415 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1736171145] [2022-02-19 03:28:35,415 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1736171145] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-19 03:28:35,415 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-19 03:28:35,415 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-19 03:28:35,415 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1793268802] [2022-02-19 03:28:35,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 03:28:35,415 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-19 03:28:35,415 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 03:28:35,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-19 03:28:35,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-19 03:28:35,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 03:28:35,416 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 03:28:35,416 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-19 03:28:35,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 03:28:35,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 03:28:35,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 03:28:35,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 03:28:35,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 03:28:35,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 03:28:35,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 03:28:35,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 03:28:35,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 03:28:35,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 03:28:35,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 03:28:35,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 03:28:35,560 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-02-19 03:28:35,560 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 12 more)] === [2022-02-19 03:28:35,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 03:28:35,560 INFO L85 PathProgramCache]: Analyzing trace with hash -252497309, now seen corresponding path program 1 times [2022-02-19 03:28:35,560 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 03:28:35,561 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [411178265] [2022-02-19 03:28:35,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 03:28:35,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 03:28:35,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 03:28:35,584 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 03:28:35,585 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 03:28:35,585 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [411178265] [2022-02-19 03:28:35,585 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [411178265] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-19 03:28:35,585 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-19 03:28:35,585 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-19 03:28:35,585 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2078018362] [2022-02-19 03:28:35,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 03:28:35,585 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-19 03:28:35,586 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 03:28:35,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-19 03:28:35,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-19 03:28:35,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 03:28:35,586 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 03:28:35,586 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-19 03:28:35,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 03:28:35,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 03:28:35,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 03:28:35,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 03:28:35,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 03:28:35,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 03:28:35,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 03:28:35,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 03:28:35,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 03:28:35,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 03:28:35,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 03:28:35,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 03:28:35,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 03:28:35,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 03:28:35,717 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-02-19 03:28:35,718 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 12 more)] === [2022-02-19 03:28:35,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 03:28:35,718 INFO L85 PathProgramCache]: Analyzing trace with hash 615392231, now seen corresponding path program 1 times [2022-02-19 03:28:35,718 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 03:28:35,718 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1233295905] [2022-02-19 03:28:35,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 03:28:35,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 03:28:35,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 03:28:35,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 03:28:35,740 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 03:28:35,740 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1233295905] [2022-02-19 03:28:35,740 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1233295905] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-19 03:28:35,740 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-19 03:28:35,740 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-19 03:28:35,740 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1711304873] [2022-02-19 03:28:35,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 03:28:35,741 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-19 03:28:35,741 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 03:28:35,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-19 03:28:35,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-19 03:28:35,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 03:28:35,741 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 03:28:35,742 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-19 03:28:35,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 03:28:35,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 03:28:35,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 03:28:35,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 03:28:35,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 03:28:35,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 03:28:35,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 03:28:35,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 03:28:35,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 03:28:35,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 03:28:35,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 03:28:35,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 03:28:35,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 03:28:35,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 03:28:35,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 03:28:35,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 03:28:35,879 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-02-19 03:28:35,880 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 12 more)] === [2022-02-19 03:28:35,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 03:28:35,880 INFO L85 PathProgramCache]: Analyzing trace with hash -1289535389, now seen corresponding path program 1 times [2022-02-19 03:28:35,880 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 03:28:35,880 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2107850305] [2022-02-19 03:28:35,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 03:28:35,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 03:28:35,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 03:28:35,900 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 03:28:35,900 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 03:28:35,900 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2107850305] [2022-02-19 03:28:35,900 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2107850305] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-19 03:28:35,900 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-19 03:28:35,900 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-19 03:28:35,900 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1161570277] [2022-02-19 03:28:35,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 03:28:35,901 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-19 03:28:35,901 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 03:28:35,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-19 03:28:35,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-19 03:28:35,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 03:28:35,901 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 03:28:35,901 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-19 03:28:35,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 03:28:35,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 03:28:35,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 03:28:35,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 03:28:35,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 03:28:35,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 03:28:35,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 03:28:35,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 03:28:35,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 03:28:36,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 03:28:36,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 03:28:36,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 03:28:36,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 03:28:36,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 03:28:36,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 03:28:36,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 03:28:36,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 03:28:36,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 03:28:36,005 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-02-19 03:28:36,005 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 12 more)] === [2022-02-19 03:28:36,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 03:28:36,006 INFO L85 PathProgramCache]: Analyzing trace with hash -1501691007, now seen corresponding path program 1 times [2022-02-19 03:28:36,006 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 03:28:36,006 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [33673160] [2022-02-19 03:28:36,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 03:28:36,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 03:28:36,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 03:28:36,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 03:28:36,033 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 03:28:36,033 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [33673160] [2022-02-19 03:28:36,033 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [33673160] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-19 03:28:36,033 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-19 03:28:36,034 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-19 03:28:36,034 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1149448316] [2022-02-19 03:28:36,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 03:28:36,034 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-19 03:28:36,034 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 03:28:36,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-19 03:28:36,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-19 03:28:36,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 03:28:36,035 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 03:28:36,035 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-19 03:28:36,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 03:28:36,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 03:28:36,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 03:28:36,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 03:28:36,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 03:28:36,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 03:28:36,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 03:28:36,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 03:28:36,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 03:28:36,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 03:28:36,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 03:28:36,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 03:28:36,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 03:28:36,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 03:28:36,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 03:28:36,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 03:28:36,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 03:28:36,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 03:28:36,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 03:28:36,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 03:28:36,196 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-02-19 03:28:36,196 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 12 more)] === [2022-02-19 03:28:36,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 03:28:36,196 INFO L85 PathProgramCache]: Analyzing trace with hash 1181756357, now seen corresponding path program 1 times [2022-02-19 03:28:36,196 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 03:28:36,197 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [996677318] [2022-02-19 03:28:36,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 03:28:36,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 03:28:36,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 03:28:37,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 03:28:37,528 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 03:28:37,528 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [996677318] [2022-02-19 03:28:37,528 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [996677318] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-19 03:28:37,528 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-19 03:28:37,529 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-02-19 03:28:37,529 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1714873998] [2022-02-19 03:28:37,529 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 03:28:37,529 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-02-19 03:28:37,529 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 03:28:37,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-02-19 03:28:37,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=122, Invalid=150, Unknown=0, NotChecked=0, Total=272 [2022-02-19 03:28:37,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 03:28:37,531 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 03:28:37,532 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 3.8125) internal successors, (61), 17 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-19 03:28:37,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 03:28:37,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 03:28:37,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 03:28:37,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 03:28:37,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 03:28:37,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 03:28:37,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 03:28:37,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 03:28:37,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 03:28:37,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 03:28:37,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.