/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-MCRwithoutDepranks-Lazy.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/test/easy11.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-c7b2d19 [2022-03-16 23:18:11,285 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-16 23:18:11,286 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-16 23:18:11,313 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-16 23:18:11,313 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-16 23:18:11,314 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-16 23:18:11,315 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-16 23:18:11,316 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-16 23:18:11,317 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-16 23:18:11,317 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-16 23:18:11,318 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-16 23:18:11,319 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-16 23:18:11,319 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-16 23:18:11,320 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-16 23:18:11,320 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-16 23:18:11,321 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-16 23:18:11,322 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-16 23:18:11,322 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-16 23:18:11,324 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-16 23:18:11,325 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-16 23:18:11,326 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-16 23:18:11,336 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-16 23:18:11,339 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-16 23:18:11,340 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-16 23:18:11,342 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-03-16 23:18:11,343 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-03-16 23:18:11,344 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-03-16 23:18:11,344 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-03-16 23:18:11,345 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-03-16 23:18:11,345 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-03-16 23:18:11,346 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-03-16 23:18:11,346 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-03-16 23:18:11,346 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-03-16 23:18:11,346 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-16 23:18:11,347 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-16 23:18:11,347 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-16 23:18:11,351 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-MCRwithoutDepranks-Lazy.epf [2022-03-16 23:18:11,373 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-16 23:18:11,373 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-16 23:18:11,373 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-16 23:18:11,373 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-16 23:18:11,373 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-16 23:18:11,374 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-16 23:18:11,374 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-16 23:18:11,374 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-16 23:18:11,374 INFO L138 SettingsManager]: * Use SBE=true [2022-03-16 23:18:11,374 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-16 23:18:11,374 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-16 23:18:11,374 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-16 23:18:11,374 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-16 23:18:11,375 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-16 23:18:11,375 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-16 23:18:11,375 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-16 23:18:11,375 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-16 23:18:11,377 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-16 23:18:11,377 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-16 23:18:11,377 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-16 23:18:11,377 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-16 23:18:11,377 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-16 23:18:11,377 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-16 23:18:11,378 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-16 23:18:11,378 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-16 23:18:11,378 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-16 23:18:11,378 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-16 23:18:11,378 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-03-16 23:18:11,379 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-16 23:18:11,379 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-16 23:18:11,379 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-16 23:18:11,379 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-16 23:18:11,379 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-16 23:18:11,379 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-03-16 23:18:11,379 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-16 23:18:11,379 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITHOUT_DEPRANKS [2022-03-16 23:18:11,380 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-16 23:18:11,535 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-16 23:18:11,552 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-16 23:18:11,554 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-16 23:18:11,555 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-03-16 23:18:11,556 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-03-16 23:18:11,557 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/test/easy11.wvr.bpl [2022-03-16 23:18:11,557 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/test/easy11.wvr.bpl' [2022-03-16 23:18:11,574 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-16 23:18:11,575 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-03-16 23:18:11,576 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-16 23:18:11,576 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-16 23:18:11,576 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-16 23:18:11,584 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "easy11.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:18:11" (1/1) ... [2022-03-16 23:18:11,588 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "easy11.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:18:11" (1/1) ... [2022-03-16 23:18:11,592 INFO L137 Inliner]: procedures = 3, calls = 2, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-03-16 23:18:11,593 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-16 23:18:11,594 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-16 23:18:11,594 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-16 23:18:11,594 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-16 23:18:11,598 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "easy11.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:18:11" (1/1) ... [2022-03-16 23:18:11,599 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "easy11.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:18:11" (1/1) ... [2022-03-16 23:18:11,599 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "easy11.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:18:11" (1/1) ... [2022-03-16 23:18:11,599 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "easy11.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:18:11" (1/1) ... [2022-03-16 23:18:11,600 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "easy11.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:18:11" (1/1) ... [2022-03-16 23:18:11,602 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "easy11.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:18:11" (1/1) ... [2022-03-16 23:18:11,602 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "easy11.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:18:11" (1/1) ... [2022-03-16 23:18:11,603 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-16 23:18:11,603 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-16 23:18:11,603 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-16 23:18:11,603 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-16 23:18:11,604 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "easy11.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:18:11" (1/1) ... [2022-03-16 23:18:11,609 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-16 23:18:11,613 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 23:18:11,623 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) [2022-03-16 23:18:11,631 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 [2022-03-16 23:18:11,649 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-03-16 23:18:11,649 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-03-16 23:18:11,650 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-03-16 23:18:11,650 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-03-16 23:18:11,650 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-03-16 23:18:11,650 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-03-16 23:18:11,650 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-03-16 23:18:11,650 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-16 23:18:11,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-16 23:18:11,650 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-16 23:18:11,680 INFO L234 CfgBuilder]: Building ICFG [2022-03-16 23:18:11,681 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-16 23:18:11,764 INFO L275 CfgBuilder]: Performing block encoding [2022-03-16 23:18:11,772 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-16 23:18:11,772 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-16 23:18:11,779 INFO L202 PluginConnector]: Adding new model easy11.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.03 11:18:11 BoogieIcfgContainer [2022-03-16 23:18:11,780 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-16 23:18:11,782 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-16 23:18:11,782 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-16 23:18:11,784 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-16 23:18:11,785 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "easy11.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:18:11" (1/2) ... [2022-03-16 23:18:11,786 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@604b9da7 and model type easy11.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.03 11:18:11, skipping insertion in model container [2022-03-16 23:18:11,786 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "easy11.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.03 11:18:11" (2/2) ... [2022-03-16 23:18:11,790 INFO L111 eAbstractionObserver]: Analyzing ICFG easy11.wvr.bpl [2022-03-16 23:18:11,798 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-16 23:18:11,798 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-16 23:18:11,798 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-16 23:18:11,798 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-16 23:18:11,830 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_x not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 23:18:11,831 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_x not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 23:18:11,831 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_x not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 23:18:11,831 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_x not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 23:18:11,832 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_x not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 23:18:11,832 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_x not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 23:18:11,832 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_x not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 23:18:11,832 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_x not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 23:18:11,833 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_x not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 23:18:11,833 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_x not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 23:18:11,833 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_x not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 23:18:11,833 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_x not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 23:18:11,835 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_x not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 23:18:11,836 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_x not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 23:18:11,836 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_x not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 23:18:11,836 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_x not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 23:18:11,836 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_x not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 23:18:11,837 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_x not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 23:18:11,837 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_x not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 23:18:11,838 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_x not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 23:18:11,838 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_x not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 23:18:11,838 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_x not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 23:18:11,839 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_x not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 23:18:11,842 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_x not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 23:18:11,847 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_x not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 23:18:11,849 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_x not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 23:18:11,850 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-03-16 23:18:11,893 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-03-16 23:18:11,894 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 23:18:11,895 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) [2022-03-16 23:18:11,898 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 [2022-03-16 23:18:11,937 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-16 23:18:11,949 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 [2022-03-16 23:18:11,949 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-03-16 23:18:12,073 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 136 transitions and produced 123 states. [2022-03-16 23:18:12,075 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-16 23:18:12,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 23:18:12,079 INFO L85 PathProgramCache]: Analyzing trace with hash 250772722, now seen corresponding path program 1 times [2022-03-16 23:18:12,085 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 23:18:12,085 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1344339170] [2022-03-16 23:18:12,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 23:18:12,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 23:18:12,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 23:18:12,482 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 114 proven. 114 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-03-16 23:18:12,483 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 23:18:12,483 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1344339170] [2022-03-16 23:18:12,483 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1344339170] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 23:18:12,483 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1805121444] [2022-03-16 23:18:12,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 23:18:12,484 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 23:18:12,484 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 23:18:12,485 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-16 23:18:12,486 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-03-16 23:18:12,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 23:18:12,527 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 16 conjunts are in the unsatisfiable core [2022-03-16 23:18:12,531 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 23:18:12,807 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 16 proven. 192 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-03-16 23:18:12,807 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 23:18:13,121 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 16 proven. 192 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-03-16 23:18:13,122 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1805121444] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 23:18:13,122 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 23:18:13,122 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 17, 17] total 35 [2022-03-16 23:18:13,124 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1451005702] [2022-03-16 23:18:13,124 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 23:18:13,128 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2022-03-16 23:18:13,129 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 23:18:13,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2022-03-16 23:18:13,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=270, Invalid=920, Unknown=0, NotChecked=0, Total=1190 [2022-03-16 23:18:13,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 23:18:13,151 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 23:18:13,152 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 2.5142857142857142) internal successors, (88), 35 states have internal predecessors, (88), 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) [2022-03-16 23:18:13,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 23:18:13,961 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 168 transitions and produced 142 states. [2022-03-16 23:18:13,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-03-16 23:18:13,978 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-03-16 23:18:14,162 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-03-16 23:18:14,162 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-16 23:18:14,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 23:18:14,163 INFO L85 PathProgramCache]: Analyzing trace with hash 702735794, now seen corresponding path program 2 times [2022-03-16 23:18:14,163 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 23:18:14,163 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348990041] [2022-03-16 23:18:14,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 23:18:14,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 23:18:14,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 23:18:14,721 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 76 proven. 212 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 23:18:14,721 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 23:18:14,721 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [348990041] [2022-03-16 23:18:14,721 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [348990041] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 23:18:14,722 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2132488721] [2022-03-16 23:18:14,722 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-16 23:18:14,722 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 23:18:14,722 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 23:18:14,723 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-16 23:18:14,724 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-03-16 23:18:14,752 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-16 23:18:14,752 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 23:18:14,753 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 36 conjunts are in the unsatisfiable core [2022-03-16 23:18:14,755 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 23:18:15,909 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 85 proven. 203 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 23:18:15,909 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 23:18:17,768 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 68 proven. 220 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 23:18:17,769 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2132488721] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 23:18:17,769 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 23:18:17,769 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33, 33] total 92 [2022-03-16 23:18:17,769 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1218434742] [2022-03-16 23:18:17,769 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 23:18:17,770 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 93 states [2022-03-16 23:18:17,770 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 23:18:17,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 93 interpolants. [2022-03-16 23:18:17,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1184, Invalid=7372, Unknown=0, NotChecked=0, Total=8556 [2022-03-16 23:18:17,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 23:18:17,774 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 23:18:17,774 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 93 states, 93 states have (on average 1.8494623655913978) internal successors, (172), 92 states have internal predecessors, (172), 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) [2022-03-16 23:18:17,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2022-03-16 23:18:17,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 23:18:21,465 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 2476 transitions and produced 1740 states. [2022-03-16 23:18:21,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-03-16 23:18:21,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2022-03-16 23:18:21,487 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-03-16 23:18:21,666 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 23:18:21,667 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-16 23:18:21,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 23:18:21,667 INFO L85 PathProgramCache]: Analyzing trace with hash -1835213710, now seen corresponding path program 3 times [2022-03-16 23:18:21,668 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 23:18:21,668 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [380354996] [2022-03-16 23:18:21,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 23:18:21,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 23:18:21,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 23:18:22,190 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 94 proven. 244 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 23:18:22,190 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 23:18:22,190 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [380354996] [2022-03-16 23:18:22,190 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [380354996] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 23:18:22,191 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [895421797] [2022-03-16 23:18:22,191 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-16 23:18:22,191 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 23:18:22,191 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 23:18:22,192 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-16 23:18:22,211 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-03-16 23:18:22,222 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2022-03-16 23:18:22,223 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 23:18:22,224 INFO L263 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjunts are in the unsatisfiable core [2022-03-16 23:18:22,225 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 23:18:22,620 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 46 proven. 46 refuted. 0 times theorem prover too weak. 246 trivial. 0 not checked. [2022-03-16 23:18:22,621 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 23:18:23,065 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 246 trivial. 0 not checked. [2022-03-16 23:18:23,065 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [895421797] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 23:18:23,065 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 23:18:23,065 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 10, 10] total 47 [2022-03-16 23:18:23,065 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [351860298] [2022-03-16 23:18:23,065 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 23:18:23,068 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2022-03-16 23:18:23,068 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 23:18:23,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2022-03-16 23:18:23,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=278, Invalid=1978, Unknown=0, NotChecked=0, Total=2256 [2022-03-16 23:18:23,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 23:18:23,069 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 23:18:23,070 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 48 states have (on average 1.9375) internal successors, (93), 47 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) [2022-03-16 23:18:23,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2022-03-16 23:18:23,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2022-03-16 23:18:23,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 23:18:26,249 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 4879 transitions and produced 3172 states. [2022-03-16 23:18:26,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-03-16 23:18:26,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2022-03-16 23:18:26,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2022-03-16 23:18:26,265 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-03-16 23:18:26,450 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 23:18:26,450 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-16 23:18:26,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 23:18:26,451 INFO L85 PathProgramCache]: Analyzing trace with hash -1466311660, now seen corresponding path program 4 times [2022-03-16 23:18:26,451 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 23:18:26,451 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1242706465] [2022-03-16 23:18:26,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 23:18:26,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 23:18:26,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 23:18:26,718 INFO L134 CoverageAnalysis]: Checked inductivity of 313 backedges. 94 proven. 219 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 23:18:26,718 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 23:18:26,718 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1242706465] [2022-03-16 23:18:26,718 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1242706465] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 23:18:26,719 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1252736072] [2022-03-16 23:18:26,719 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-03-16 23:18:26,719 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 23:18:26,719 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 23:18:26,720 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-16 23:18:26,721 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-03-16 23:18:26,748 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-03-16 23:18:26,748 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 23:18:26,749 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 28 conjunts are in the unsatisfiable core [2022-03-16 23:18:26,750 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 23:18:26,872 INFO L134 CoverageAnalysis]: Checked inductivity of 313 backedges. 94 proven. 219 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 23:18:26,872 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 23:18:27,216 INFO L134 CoverageAnalysis]: Checked inductivity of 313 backedges. 114 proven. 199 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 23:18:27,217 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1252736072] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 23:18:27,217 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 23:18:27,217 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 29, 29] total 43 [2022-03-16 23:18:27,217 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1657499421] [2022-03-16 23:18:27,217 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 23:18:27,217 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2022-03-16 23:18:27,217 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 23:18:27,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2022-03-16 23:18:27,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=360, Invalid=1446, Unknown=0, NotChecked=0, Total=1806 [2022-03-16 23:18:27,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 23:18:27,218 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 23:18:27,219 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 43 states have (on average 2.13953488372093) internal successors, (92), 43 states have internal predecessors, (92), 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) [2022-03-16 23:18:27,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2022-03-16 23:18:27,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2022-03-16 23:18:27,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2022-03-16 23:18:27,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 23:18:28,548 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 4987 transitions and produced 3272 states. [2022-03-16 23:18:28,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-03-16 23:18:28,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2022-03-16 23:18:28,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2022-03-16 23:18:28,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-03-16 23:18:28,564 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-03-16 23:18:28,749 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 23:18:28,749 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-16 23:18:28,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 23:18:28,750 INFO L85 PathProgramCache]: Analyzing trace with hash -435040236, now seen corresponding path program 5 times [2022-03-16 23:18:28,750 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 23:18:28,750 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [318008791] [2022-03-16 23:18:28,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 23:18:28,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 23:18:28,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 23:18:29,237 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 94 proven. 244 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 23:18:29,238 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 23:18:29,238 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [318008791] [2022-03-16 23:18:29,238 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [318008791] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 23:18:29,238 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [816372861] [2022-03-16 23:18:29,238 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-03-16 23:18:29,238 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 23:18:29,238 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 23:18:29,239 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-16 23:18:29,241 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-03-16 23:18:29,267 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 14 check-sat command(s) [2022-03-16 23:18:29,267 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 23:18:29,268 INFO L263 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 13 conjunts are in the unsatisfiable core [2022-03-16 23:18:29,269 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 23:18:29,785 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 25 proven. 25 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2022-03-16 23:18:29,785 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 23:18:30,201 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2022-03-16 23:18:30,201 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [816372861] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 23:18:30,201 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 23:18:30,201 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 10, 10] total 48 [2022-03-16 23:18:30,202 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1486945041] [2022-03-16 23:18:30,202 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 23:18:30,202 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 49 states [2022-03-16 23:18:30,202 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 23:18:30,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2022-03-16 23:18:30,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=308, Invalid=2044, Unknown=0, NotChecked=0, Total=2352 [2022-03-16 23:18:30,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 23:18:30,203 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 23:18:30,203 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 49 states, 49 states have (on average 1.8775510204081634) internal successors, (92), 48 states have internal predecessors, (92), 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) [2022-03-16 23:18:30,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2022-03-16 23:18:30,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2022-03-16 23:18:30,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2022-03-16 23:18:30,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2022-03-16 23:18:30,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 23:18:32,545 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 5082 transitions and produced 3361 states. [2022-03-16 23:18:32,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-03-16 23:18:32,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2022-03-16 23:18:32,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2022-03-16 23:18:32,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-03-16 23:18:32,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-03-16 23:18:32,565 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-03-16 23:18:32,761 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 23:18:32,762 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-16 23:18:32,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 23:18:32,762 INFO L85 PathProgramCache]: Analyzing trace with hash 2008539954, now seen corresponding path program 6 times [2022-03-16 23:18:32,762 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 23:18:32,763 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1150530204] [2022-03-16 23:18:32,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 23:18:32,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 23:18:32,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 23:18:33,246 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 94 proven. 244 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 23:18:33,246 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 23:18:33,246 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1150530204] [2022-03-16 23:18:33,246 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1150530204] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 23:18:33,246 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [337419805] [2022-03-16 23:18:33,246 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-03-16 23:18:33,246 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 23:18:33,247 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 23:18:33,248 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-16 23:18:33,248 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-03-16 23:18:33,267 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2022-03-16 23:18:33,267 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 23:18:33,268 INFO L263 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 13 conjunts are in the unsatisfiable core [2022-03-16 23:18:33,269 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 23:18:33,705 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 37 proven. 13 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2022-03-16 23:18:33,705 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 23:18:34,124 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2022-03-16 23:18:34,124 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [337419805] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 23:18:34,124 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 23:18:34,125 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 10, 10] total 48 [2022-03-16 23:18:34,125 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [819474067] [2022-03-16 23:18:34,125 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 23:18:34,125 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 49 states [2022-03-16 23:18:34,125 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 23:18:34,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2022-03-16 23:18:34,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=325, Invalid=2027, Unknown=0, NotChecked=0, Total=2352 [2022-03-16 23:18:34,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 23:18:34,126 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 23:18:34,127 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 49 states, 49 states have (on average 1.8775510204081634) internal successors, (92), 48 states have internal predecessors, (92), 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) [2022-03-16 23:18:34,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2022-03-16 23:18:34,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2022-03-16 23:18:34,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2022-03-16 23:18:34,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2022-03-16 23:18:34,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2022-03-16 23:18:34,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 23:18:36,296 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1434 transitions and produced 1115 states. [2022-03-16 23:18:36,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-03-16 23:18:36,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2022-03-16 23:18:36,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2022-03-16 23:18:36,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-03-16 23:18:36,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-03-16 23:18:36,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-03-16 23:18:36,312 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2022-03-16 23:18:36,497 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 23:18:36,497 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-16 23:18:36,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 23:18:36,498 INFO L85 PathProgramCache]: Analyzing trace with hash -1036664684, now seen corresponding path program 7 times [2022-03-16 23:18:36,498 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 23:18:36,498 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9556980] [2022-03-16 23:18:36,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 23:18:36,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 23:18:36,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 23:18:37,002 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 94 proven. 244 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 23:18:37,003 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 23:18:37,003 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [9556980] [2022-03-16 23:18:37,003 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [9556980] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 23:18:37,003 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [256388280] [2022-03-16 23:18:37,003 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-03-16 23:18:37,003 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 23:18:37,003 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 23:18:37,004 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-16 23:18:37,005 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-03-16 23:18:37,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 23:18:37,030 INFO L263 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 38 conjunts are in the unsatisfiable core [2022-03-16 23:18:37,031 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 23:18:38,292 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 104 proven. 234 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 23:18:38,292 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 23:18:40,206 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 85 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 23:18:40,207 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [256388280] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 23:18:40,207 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 23:18:40,207 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 35, 35] total 97 [2022-03-16 23:18:40,207 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [685262458] [2022-03-16 23:18:40,207 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 23:18:40,208 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 98 states [2022-03-16 23:18:40,208 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 23:18:40,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 98 interpolants. [2022-03-16 23:18:40,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1651, Invalid=7855, Unknown=0, NotChecked=0, Total=9506 [2022-03-16 23:18:40,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 23:18:40,210 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 23:18:40,210 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 98 states, 98 states have (on average 1.8571428571428572) internal successors, (182), 97 states have internal predecessors, (182), 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) [2022-03-16 23:18:40,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2022-03-16 23:18:40,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2022-03-16 23:18:40,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2022-03-16 23:18:40,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2022-03-16 23:18:40,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2022-03-16 23:18:40,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2022-03-16 23:18:40,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 23:18:45,589 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 5413 transitions and produced 3477 states. [2022-03-16 23:18:45,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-03-16 23:18:45,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2022-03-16 23:18:45,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2022-03-16 23:18:45,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-03-16 23:18:45,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-03-16 23:18:45,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-03-16 23:18:45,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2022-03-16 23:18:45,605 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-03-16 23:18:45,803 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2022-03-16 23:18:45,803 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-16 23:18:45,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 23:18:45,804 INFO L85 PathProgramCache]: Analyzing trace with hash -1010024206, now seen corresponding path program 8 times [2022-03-16 23:18:45,804 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 23:18:45,804 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2123534773] [2022-03-16 23:18:45,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 23:18:45,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 23:18:45,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 23:18:46,313 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 114 proven. 278 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 23:18:46,314 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 23:18:46,314 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2123534773] [2022-03-16 23:18:46,314 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2123534773] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 23:18:46,314 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1777030801] [2022-03-16 23:18:46,314 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-16 23:18:46,314 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 23:18:46,314 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 23:18:46,315 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-16 23:18:46,316 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-03-16 23:18:46,343 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-16 23:18:46,344 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 23:18:46,347 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 40 conjunts are in the unsatisfiable core [2022-03-16 23:18:46,348 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 23:18:47,665 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 125 proven. 267 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 23:18:47,665 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 23:18:49,598 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 104 proven. 288 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 23:18:49,598 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1777030801] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 23:18:49,598 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 23:18:49,598 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 37, 37] total 103 [2022-03-16 23:18:49,598 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [760549005] [2022-03-16 23:18:49,598 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 23:18:49,599 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 104 states [2022-03-16 23:18:49,599 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 23:18:49,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 104 interpolants. [2022-03-16 23:18:49,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1897, Invalid=8815, Unknown=0, NotChecked=0, Total=10712 [2022-03-16 23:18:49,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 23:18:49,602 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 23:18:49,602 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 104 states, 104 states have (on average 1.8557692307692308) internal successors, (193), 103 states have internal predecessors, (193), 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) [2022-03-16 23:18:49,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2022-03-16 23:18:49,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2022-03-16 23:18:49,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2022-03-16 23:18:49,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2022-03-16 23:18:49,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2022-03-16 23:18:49,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2022-03-16 23:18:49,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. [2022-03-16 23:18:49,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 23:18:58,057 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 14020 transitions and produced 9233 states. [2022-03-16 23:18:58,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-03-16 23:18:58,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2022-03-16 23:18:58,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2022-03-16 23:18:58,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-03-16 23:18:58,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-03-16 23:18:58,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-03-16 23:18:58,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 130 states. [2022-03-16 23:18:58,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2022-03-16 23:18:58,073 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-03-16 23:18:58,258 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 23:18:58,259 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-16 23:18:58,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 23:18:58,259 INFO L85 PathProgramCache]: Analyzing trace with hash -1421532106, now seen corresponding path program 9 times [2022-03-16 23:18:58,259 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 23:18:58,259 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [457327590] [2022-03-16 23:18:58,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 23:18:58,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 23:18:58,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 23:18:58,831 INFO L134 CoverageAnalysis]: Checked inductivity of 1261 backedges. 713 proven. 539 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-03-16 23:18:58,832 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 23:18:58,832 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [457327590] [2022-03-16 23:18:58,832 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [457327590] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 23:18:58,832 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [766654316] [2022-03-16 23:18:58,832 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-16 23:18:58,832 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 23:18:58,832 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 23:18:58,833 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-16 23:18:58,834 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-03-16 23:18:58,854 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-03-16 23:18:58,854 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 23:18:58,854 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 13 conjunts are in the unsatisfiable core [2022-03-16 23:18:58,855 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 23:18:59,313 INFO L134 CoverageAnalysis]: Checked inductivity of 1261 backedges. 235 proven. 0 refuted. 0 times theorem prover too weak. 1026 trivial. 0 not checked. [2022-03-16 23:18:59,313 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-16 23:18:59,313 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [766654316] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-16 23:18:59,313 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-16 23:18:59,313 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [45] total 54 [2022-03-16 23:18:59,314 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [784169710] [2022-03-16 23:18:59,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-16 23:18:59,314 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-03-16 23:18:59,314 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 23:18:59,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-03-16 23:18:59,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=520, Invalid=2342, Unknown=0, NotChecked=0, Total=2862 [2022-03-16 23:18:59,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 23:18:59,315 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 23:18:59,315 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 2.3636363636363638) internal successors, (26), 10 states have internal predecessors, (26), 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) [2022-03-16 23:18:59,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-03-16 23:18:59,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 95 states. [2022-03-16 23:18:59,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2022-03-16 23:18:59,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2022-03-16 23:18:59,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2022-03-16 23:18:59,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2022-03-16 23:18:59,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 130 states. [2022-03-16 23:18:59,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2022-03-16 23:18:59,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 23:18:59,411 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 554 transitions and produced 473 states. [2022-03-16 23:18:59,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-03-16 23:18:59,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2022-03-16 23:18:59,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2022-03-16 23:18:59,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-03-16 23:18:59,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-03-16 23:18:59,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-03-16 23:18:59,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 130 states. [2022-03-16 23:18:59,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2022-03-16 23:18:59,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-16 23:18:59,429 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-03-16 23:18:59,612 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2022-03-16 23:18:59,613 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-16 23:18:59,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 23:18:59,613 INFO L85 PathProgramCache]: Analyzing trace with hash -585254124, now seen corresponding path program 10 times [2022-03-16 23:18:59,613 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 23:18:59,613 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [789093430] [2022-03-16 23:18:59,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 23:18:59,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 23:18:59,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 23:19:00,117 INFO L134 CoverageAnalysis]: Checked inductivity of 1261 backedges. 713 proven. 539 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-03-16 23:19:00,117 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 23:19:00,117 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [789093430] [2022-03-16 23:19:00,117 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [789093430] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 23:19:00,117 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1987557383] [2022-03-16 23:19:00,117 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-03-16 23:19:00,117 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 23:19:00,118 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 23:19:00,118 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-16 23:19:00,127 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-03-16 23:19:00,155 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-03-16 23:19:00,156 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 23:19:00,156 INFO L263 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 42 conjunts are in the unsatisfiable core [2022-03-16 23:19:00,158 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 23:19:00,533 INFO L134 CoverageAnalysis]: Checked inductivity of 1261 backedges. 274 proven. 962 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-03-16 23:19:00,533 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 23:19:01,243 INFO L134 CoverageAnalysis]: Checked inductivity of 1261 backedges. 216 proven. 1022 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2022-03-16 23:19:01,244 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1987557383] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 23:19:01,244 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 23:19:01,244 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [45, 41, 43] total 77 [2022-03-16 23:19:01,255 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1413517989] [2022-03-16 23:19:01,255 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 23:19:01,255 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 77 states [2022-03-16 23:19:01,255 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 23:19:01,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 77 interpolants. [2022-03-16 23:19:01,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1315, Invalid=4537, Unknown=0, NotChecked=0, Total=5852 [2022-03-16 23:19:01,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 23:19:01,258 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 23:19:01,259 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 77 states, 77 states have (on average 2.324675324675325) internal successors, (179), 77 states have internal predecessors, (179), 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) [2022-03-16 23:19:01,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-03-16 23:19:01,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 95 states. [2022-03-16 23:19:01,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2022-03-16 23:19:01,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2022-03-16 23:19:01,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2022-03-16 23:19:01,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2022-03-16 23:19:01,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 130 states. [2022-03-16 23:19:01,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2022-03-16 23:19:01,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-03-16 23:19:01,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 23:19:05,874 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 22487 transitions and produced 14046 states. [2022-03-16 23:19:05,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-03-16 23:19:05,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2022-03-16 23:19:05,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2022-03-16 23:19:05,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-03-16 23:19:05,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-03-16 23:19:05,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-03-16 23:19:05,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 130 states. [2022-03-16 23:19:05,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2022-03-16 23:19:05,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-16 23:19:05,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2022-03-16 23:19:05,890 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-03-16 23:19:06,087 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-03-16 23:19:06,088 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-16 23:19:06,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 23:19:06,088 INFO L85 PathProgramCache]: Analyzing trace with hash 1491777684, now seen corresponding path program 11 times [2022-03-16 23:19:06,088 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 23:19:06,088 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [789010812] [2022-03-16 23:19:06,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 23:19:06,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 23:19:06,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 23:19:07,240 INFO L134 CoverageAnalysis]: Checked inductivity of 2581 backedges. 1417 proven. 1155 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-03-16 23:19:07,240 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 23:19:07,241 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [789010812] [2022-03-16 23:19:07,241 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [789010812] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 23:19:07,241 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [946202122] [2022-03-16 23:19:07,241 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-03-16 23:19:07,241 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 23:19:07,241 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 23:19:07,242 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-16 23:19:07,242 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-03-16 23:19:07,286 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 42 check-sat command(s) [2022-03-16 23:19:07,287 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 23:19:07,288 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 64 conjunts are in the unsatisfiable core [2022-03-16 23:19:07,290 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 23:19:07,791 INFO L134 CoverageAnalysis]: Checked inductivity of 2581 backedges. 758 proven. 1798 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-03-16 23:19:07,791 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 23:19:09,074 INFO L134 CoverageAnalysis]: Checked inductivity of 2581 backedges. 645 proven. 1913 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2022-03-16 23:19:09,075 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [946202122] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 23:19:09,075 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 23:19:09,075 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [67, 63, 65] total 110 [2022-03-16 23:19:09,075 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954533945] [2022-03-16 23:19:09,075 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 23:19:09,076 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 110 states [2022-03-16 23:19:09,076 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 23:19:09,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 110 interpolants. [2022-03-16 23:19:09,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2679, Invalid=9311, Unknown=0, NotChecked=0, Total=11990 [2022-03-16 23:19:09,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 23:19:09,079 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 23:19:09,079 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 110 states, 110 states have (on average 2.227272727272727) internal successors, (245), 110 states have internal predecessors, (245), 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) [2022-03-16 23:19:09,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-03-16 23:19:09,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 95 states. [2022-03-16 23:19:09,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2022-03-16 23:19:09,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2022-03-16 23:19:09,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2022-03-16 23:19:09,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2022-03-16 23:19:09,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 130 states. [2022-03-16 23:19:09,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2022-03-16 23:19:09,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-03-16 23:19:09,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2022-03-16 23:19:09,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 23:19:16,533 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 30330 transitions and produced 18563 states. [2022-03-16 23:19:16,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-03-16 23:19:16,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2022-03-16 23:19:16,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2022-03-16 23:19:16,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-03-16 23:19:16,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-03-16 23:19:16,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-03-16 23:19:16,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 130 states. [2022-03-16 23:19:16,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2022-03-16 23:19:16,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-16 23:19:16,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2022-03-16 23:19:16,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2022-03-16 23:19:16,550 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-03-16 23:19:16,739 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-03-16 23:19:16,740 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-16 23:19:16,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 23:19:16,740 INFO L85 PathProgramCache]: Analyzing trace with hash 2086821140, now seen corresponding path program 12 times [2022-03-16 23:19:16,740 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 23:19:16,740 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1578508618] [2022-03-16 23:19:16,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 23:19:16,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 23:19:16,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 23:19:18,553 INFO L134 CoverageAnalysis]: Checked inductivity of 4385 backedges. 2363 proven. 2013 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-03-16 23:19:18,553 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 23:19:18,553 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1578508618] [2022-03-16 23:19:18,553 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1578508618] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 23:19:18,554 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [112219655] [2022-03-16 23:19:18,554 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-03-16 23:19:18,554 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 23:19:18,554 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 23:19:18,555 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-16 23:19:18,555 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-03-16 23:19:18,578 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2022-03-16 23:19:18,578 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 23:19:18,579 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 13 conjunts are in the unsatisfiable core [2022-03-16 23:19:18,580 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 23:19:19,359 INFO L134 CoverageAnalysis]: Checked inductivity of 4385 backedges. 543 proven. 0 refuted. 0 times theorem prover too weak. 3842 trivial. 0 not checked. [2022-03-16 23:19:19,359 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-16 23:19:19,359 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [112219655] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-16 23:19:19,359 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-16 23:19:19,360 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [89] total 98 [2022-03-16 23:19:19,360 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [446063763] [2022-03-16 23:19:19,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-16 23:19:19,360 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-03-16 23:19:19,360 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 23:19:19,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-03-16 23:19:19,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1950, Invalid=7556, Unknown=0, NotChecked=0, Total=9506 [2022-03-16 23:19:19,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 23:19:19,362 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 23:19:19,362 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 2.3636363636363638) internal successors, (26), 10 states have internal predecessors, (26), 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) [2022-03-16 23:19:19,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-03-16 23:19:19,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 95 states. [2022-03-16 23:19:19,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2022-03-16 23:19:19,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2022-03-16 23:19:19,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2022-03-16 23:19:19,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2022-03-16 23:19:19,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 130 states. [2022-03-16 23:19:19,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2022-03-16 23:19:19,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-03-16 23:19:19,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2022-03-16 23:19:19,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 111 states. [2022-03-16 23:19:19,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 23:20:03,185 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 280942 transitions and produced 156423 states. [2022-03-16 23:20:03,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-03-16 23:20:03,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 113 states. [2022-03-16 23:20:03,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2022-03-16 23:20:03,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-03-16 23:20:03,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2022-03-16 23:20:03,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2022-03-16 23:20:03,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 178 states. [2022-03-16 23:20:03,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 204 states. [2022-03-16 23:20:03,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-16 23:20:03,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2022-03-16 23:20:03,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2022-03-16 23:20:03,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-16 23:20:03,203 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2022-03-16 23:20:03,386 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-03-16 23:20:03,387 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-16 23:20:03,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 23:20:03,387 INFO L85 PathProgramCache]: Analyzing trace with hash -1938500050, now seen corresponding path program 13 times [2022-03-16 23:20:03,388 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 23:20:03,388 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [206732042] [2022-03-16 23:20:03,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 23:20:03,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 23:20:14,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 23:20:25,156 INFO L134 CoverageAnalysis]: Checked inductivity of 2555978 backedges. 1376806 proven. 1113081 refuted. 0 times theorem prover too weak. 66091 trivial. 0 not checked. [2022-03-16 23:20:25,156 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 23:20:25,156 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [206732042] [2022-03-16 23:20:25,156 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [206732042] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 23:20:25,156 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1686610280] [2022-03-16 23:20:25,157 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-03-16 23:20:25,157 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 23:20:25,157 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 23:20:25,158 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-16 23:20:25,159 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-03-16 23:20:26,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 23:20:26,407 INFO L263 TraceCheckSpWp]: Trace formula consists of 6811 conjuncts, 2198 conjunts are in the unsatisfiable core [2022-03-16 23:20:26,457 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 23:20:36,470 INFO L134 CoverageAnalysis]: Checked inductivity of 2555978 backedges. 1351099 proven. 1143325 refuted. 0 times theorem prover too weak. 61554 trivial. 0 not checked. [2022-03-16 23:20:36,470 INFO L328 TraceCheckSpWp]: Computing backward predicates... Received shutdown request... [2022-03-16 23:29:44,968 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (2 of 3 remaining) [2022-03-16 23:29:44,988 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-16 23:29:44,992 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-16 23:29:44,992 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-16 23:29:45,008 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2022-03-16 23:29:45,169 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 23:29:45,169 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 4536 with TraceHistMax 1163,while TraceCheckSpWp was constructing backward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 2131 known predicates. [2022-03-16 23:29:45,170 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 3 remaining) [2022-03-16 23:29:45,170 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (0 of 3 remaining) [2022-03-16 23:29:45,174 INFO L732 BasicCegarLoop]: Path program histogram: [13] [2022-03-16 23:29:45,175 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-16 23:29:45,175 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-16 23:29:45,176 INFO L202 PluginConnector]: Adding new model easy11.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.03 11:29:45 BasicIcfg [2022-03-16 23:29:45,177 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-16 23:29:45,177 INFO L158 Benchmark]: Toolchain (without parser) took 693601.78ms. Allocated memory was 182.5MB in the beginning and 5.0GB in the end (delta: 4.8GB). Free memory was 139.5MB in the beginning and 2.8GB in the end (delta: -2.7GB). Peak memory consumption was 2.1GB. Max. memory is 8.0GB. [2022-03-16 23:29:45,177 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.09ms. Allocated memory is still 182.5MB. Free memory is still 140.6MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-16 23:29:45,177 INFO L158 Benchmark]: Boogie Procedure Inliner took 17.03ms. Allocated memory is still 182.5MB. Free memory was 139.5MB in the beginning and 137.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-03-16 23:29:45,178 INFO L158 Benchmark]: Boogie Preprocessor took 9.28ms. Allocated memory is still 182.5MB. Free memory was 137.9MB in the beginning and 137.0MB in the end (delta: 914.6kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-16 23:29:45,178 INFO L158 Benchmark]: RCFGBuilder took 176.53ms. Allocated memory is still 182.5MB. Free memory was 137.0MB in the beginning and 128.5MB in the end (delta: 8.5MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. [2022-03-16 23:29:45,178 INFO L158 Benchmark]: TraceAbstraction took 693394.61ms. Allocated memory was 182.5MB in the beginning and 5.0GB in the end (delta: 4.8GB). Free memory was 128.0MB in the beginning and 2.8GB in the end (delta: -2.7GB). Peak memory consumption was 2.1GB. Max. memory is 8.0GB. [2022-03-16 23:29:45,179 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.09ms. Allocated memory is still 182.5MB. Free memory is still 140.6MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 17.03ms. Allocated memory is still 182.5MB. Free memory was 139.5MB in the beginning and 137.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 9.28ms. Allocated memory is still 182.5MB. Free memory was 137.9MB in the beginning and 137.0MB in the end (delta: 914.6kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 176.53ms. Allocated memory is still 182.5MB. Free memory was 137.0MB in the beginning and 128.5MB in the end (delta: 8.5MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. * TraceAbstraction took 693394.61ms. Allocated memory was 182.5MB in the beginning and 5.0GB in the end (delta: 4.8GB). Free memory was 128.0MB in the beginning and 2.8GB in the end (delta: -2.7GB). Peak memory consumption was 2.1GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 43]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 4536 with TraceHistMax 1163,while TraceCheckSpWp was constructing backward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 2131 known predicates. - TimeoutResultAtElement [Line: 38]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 4536 with TraceHistMax 1163,while TraceCheckSpWp was constructing backward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 2131 known predicates. - TimeoutResultAtElement [Line: 38]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 4536 with TraceHistMax 1163,while TraceCheckSpWp was constructing backward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 2131 known predicates. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 36 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 693.3s, OverallIterations: 13, TraceHistogramMax: 0, PathProgramHistogramMax: 13, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 83.5s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 1053, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 24.7s InterpolantComputationTime, 2212 NumberOfCodeBlocks, 1874 NumberOfCodeBlocksAsserted, 96 NumberOfCheckSat, 2970 ConstructedInterpolants, 0 QuantifiedInterpolants, 21463 SizeOfPredicates, 62 NumberOfNonLiveVariables, 1253 ConjunctsInSsa, 329 ConjunctsInUnsatCore, 34 InterpolantComputations, 2 PerfectInterpolantSequences, 16266/30549 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 RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown