/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-MCRwithDepranks-Lazy-NoForkJoinOpt.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/loop-lockstep-example.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-c7b2d19 [2022-03-16 10:22:23,730 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-16 10:22:23,732 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-16 10:22:23,768 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-16 10:22:23,769 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-16 10:22:23,769 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-16 10:22:23,771 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-16 10:22:23,772 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-16 10:22:23,774 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-16 10:22:23,775 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-16 10:22:23,775 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-16 10:22:23,777 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-16 10:22:23,777 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-16 10:22:23,778 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-16 10:22:23,779 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-16 10:22:23,786 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-16 10:22:23,787 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-16 10:22:23,791 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-16 10:22:23,797 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-16 10:22:23,802 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-16 10:22:23,803 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-16 10:22:23,806 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-16 10:22:23,807 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-16 10:22:23,808 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-16 10:22:23,810 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-03-16 10:22:23,810 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-03-16 10:22:23,810 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-03-16 10:22:23,811 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-03-16 10:22:23,811 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-03-16 10:22:23,812 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-03-16 10:22:23,812 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-03-16 10:22:23,812 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-03-16 10:22:23,813 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-03-16 10:22:23,813 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-03-16 10:22:23,814 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-03-16 10:22:23,814 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-03-16 10:22:23,815 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-03-16 10:22:23,815 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-03-16 10:22:23,815 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-16 10:22:23,816 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-16 10:22:23,817 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-16 10:22:23,817 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-MCRwithDepranks-Lazy-NoForkJoinOpt.epf [2022-03-16 10:22:23,838 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-16 10:22:23,838 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-16 10:22:23,839 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-16 10:22:23,839 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-16 10:22:23,840 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-16 10:22:23,840 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-16 10:22:23,840 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-16 10:22:23,840 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-16 10:22:23,841 INFO L138 SettingsManager]: * Use SBE=true [2022-03-16 10:22:23,841 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-16 10:22:23,841 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-16 10:22:23,841 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-16 10:22:23,841 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-16 10:22:23,842 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-16 10:22:23,842 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-16 10:22:23,842 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-16 10:22:23,842 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-16 10:22:23,842 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-16 10:22:23,842 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-16 10:22:23,843 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-16 10:22:23,843 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-16 10:22:23,846 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-16 10:22:23,847 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-16 10:22:23,847 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-16 10:22:23,847 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-16 10:22:23,847 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-16 10:22:23,847 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-16 10:22:23,847 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-03-16 10:22:23,848 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-16 10:22:23,848 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-16 10:22:23,848 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-16 10:22:23,848 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-16 10:22:23,849 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-16 10:22:23,849 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-03-16 10:22:23,849 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-16 10:22:23,849 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-03-16 10:22:23,850 INFO L138 SettingsManager]: * MCR: Optimize fork and join=false [2022-03-16 10:22:23,850 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-16 10:22:24,074 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-16 10:22:24,096 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-16 10:22:24,098 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-16 10:22:24,098 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-03-16 10:22:24,099 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-03-16 10:22:24,100 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/loop-lockstep-example.bpl [2022-03-16 10:22:24,101 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/loop-lockstep-example.bpl' [2022-03-16 10:22:24,120 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-16 10:22:24,122 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-03-16 10:22:24,123 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-16 10:22:24,123 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-16 10:22:24,123 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-16 10:22:24,132 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "loop-lockstep-example.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 10:22:24" (1/1) ... [2022-03-16 10:22:24,138 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "loop-lockstep-example.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 10:22:24" (1/1) ... [2022-03-16 10:22:24,145 INFO L137 Inliner]: procedures = 3, calls = 2, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-03-16 10:22:24,146 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-16 10:22:24,149 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-16 10:22:24,149 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-16 10:22:24,149 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-16 10:22:24,155 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "loop-lockstep-example.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 10:22:24" (1/1) ... [2022-03-16 10:22:24,155 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "loop-lockstep-example.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 10:22:24" (1/1) ... [2022-03-16 10:22:24,156 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "loop-lockstep-example.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 10:22:24" (1/1) ... [2022-03-16 10:22:24,157 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "loop-lockstep-example.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 10:22:24" (1/1) ... [2022-03-16 10:22:24,159 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "loop-lockstep-example.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 10:22:24" (1/1) ... [2022-03-16 10:22:24,162 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "loop-lockstep-example.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 10:22:24" (1/1) ... [2022-03-16 10:22:24,163 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "loop-lockstep-example.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 10:22:24" (1/1) ... [2022-03-16 10:22:24,165 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-16 10:22:24,166 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-16 10:22:24,166 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-16 10:22:24,167 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-16 10:22:24,168 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "loop-lockstep-example.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 10:22:24" (1/1) ... [2022-03-16 10:22:24,181 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-16 10:22:24,187 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 10:22:24,204 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 10:22:24,214 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 10:22:24,239 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-03-16 10:22:24,239 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-03-16 10:22:24,239 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-03-16 10:22:24,239 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-03-16 10:22:24,240 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-03-16 10:22:24,240 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-03-16 10:22:24,240 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-03-16 10:22:24,240 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-16 10:22:24,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-16 10:22:24,240 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 10:22:24,275 INFO L234 CfgBuilder]: Building ICFG [2022-03-16 10:22:24,276 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-16 10:22:24,385 INFO L275 CfgBuilder]: Performing block encoding [2022-03-16 10:22:24,390 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-16 10:22:24,390 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-16 10:22:24,392 INFO L202 PluginConnector]: Adding new model loop-lockstep-example.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.03 10:22:24 BoogieIcfgContainer [2022-03-16 10:22:24,392 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-16 10:22:24,393 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-16 10:22:24,393 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-16 10:22:24,399 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-16 10:22:24,399 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "loop-lockstep-example.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 10:22:24" (1/2) ... [2022-03-16 10:22:24,400 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@baee7cd and model type loop-lockstep-example.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.03 10:22:24, skipping insertion in model container [2022-03-16 10:22:24,400 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "loop-lockstep-example.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.03 10:22:24" (2/2) ... [2022-03-16 10:22:24,403 INFO L111 eAbstractionObserver]: Analyzing ICFG loop-lockstep-example.bpl [2022-03-16 10:22:24,413 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-16 10:22:24,413 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-16 10:22:24,413 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-16 10:22:24,413 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-16 10:22:24,441 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:22:24,441 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:22:24,443 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:22:24,444 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:22:24,444 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:22:24,444 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:22:24,446 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:22:24,446 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:22:24,447 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:22:24,447 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:22:24,448 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_j not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:22:24,448 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_j not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:22:24,448 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_j not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:22:24,449 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_j not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:22:24,449 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_j not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:22:24,450 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_j not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:22:24,451 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_j not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:22:24,451 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_j not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:22:24,451 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_j not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:22:24,451 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_j not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:22:24,464 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:22:24,466 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_j not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 10:22:24,469 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-03-16 10:22:24,514 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-03-16 10:22:24,515 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 10:22:24,516 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 10:22:24,517 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 10:22:24,559 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-16 10:22:24,568 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=false, mMcrOverapproximateWrwc=true [2022-03-16 10:22:24,568 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-03-16 10:22:24,681 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 562 transitions and produced 454 states. [2022-03-16 10:22:24,688 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-16 10:22:24,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 10:22:24,692 INFO L85 PathProgramCache]: Analyzing trace with hash -337619345, now seen corresponding path program 1 times [2022-03-16 10:22:24,700 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 10:22:24,700 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439181962] [2022-03-16 10:22:24,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 10:22:24,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 10:22:24,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 10:22:25,717 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 976 proven. 872 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-03-16 10:22:25,718 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 10:22:25,718 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [439181962] [2022-03-16 10:22:25,719 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [439181962] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 10:22:25,720 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [666419976] [2022-03-16 10:22:25,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 10:22:25,732 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 10:22:25,732 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 10:22:25,739 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 10:22:25,746 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 10:22:25,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 10:22:25,909 INFO L263 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 33 conjunts are in the unsatisfiable core [2022-03-16 10:22:25,924 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 10:22:27,622 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 1068 proven. 792 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 10:22:27,623 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 10:22:28,556 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 976 proven. 872 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-03-16 10:22:28,557 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [666419976] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 10:22:28,557 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 10:22:28,557 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 34, 30] total 83 [2022-03-16 10:22:28,559 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [846555361] [2022-03-16 10:22:28,559 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 10:22:28,568 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 83 states [2022-03-16 10:22:28,569 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 10:22:28,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 83 interpolants. [2022-03-16 10:22:28,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1780, Invalid=5026, Unknown=0, NotChecked=0, Total=6806 [2022-03-16 10:22:28,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 10:22:28,599 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 10:22:28,602 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 83 states, 83 states have (on average 5.445783132530121) internal successors, (452), 83 states have internal predecessors, (452), 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 10:22:28,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 10:22:31,671 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 796 transitions and produced 688 states. [2022-03-16 10:22:31,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2022-03-16 10:22:31,698 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-03-16 10:22:31,895 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 10:22:31,895 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-16 10:22:31,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 10:22:31,896 INFO L85 PathProgramCache]: Analyzing trace with hash -1400513483, now seen corresponding path program 2 times [2022-03-16 10:22:31,896 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 10:22:31,896 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1805250970] [2022-03-16 10:22:31,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 10:22:31,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 10:22:32,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 10:22:33,433 INFO L134 CoverageAnalysis]: Checked inductivity of 3751 backedges. 1857 proven. 1894 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 10:22:33,433 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 10:22:33,434 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1805250970] [2022-03-16 10:22:33,434 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1805250970] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 10:22:33,434 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1821591647] [2022-03-16 10:22:33,434 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-16 10:22:33,434 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 10:22:33,434 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 10:22:33,435 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 10:22:33,438 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 10:22:33,527 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-16 10:22:33,527 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 10:22:33,533 INFO L263 TraceCheckSpWp]: Trace formula consists of 480 conjuncts, 54 conjunts are in the unsatisfiable core [2022-03-16 10:22:33,540 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 10:22:36,265 INFO L134 CoverageAnalysis]: Checked inductivity of 3751 backedges. 1712 proven. 1874 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2022-03-16 10:22:36,266 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 10:22:36,853 INFO L134 CoverageAnalysis]: Checked inductivity of 3751 backedges. 1712 proven. 1874 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2022-03-16 10:22:36,853 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1821591647] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 10:22:36,853 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 10:22:36,853 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [65, 55, 55] total 111 [2022-03-16 10:22:36,858 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1344707490] [2022-03-16 10:22:36,859 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 10:22:36,860 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 111 states [2022-03-16 10:22:36,860 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 10:22:36,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 111 interpolants. [2022-03-16 10:22:36,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2137, Invalid=10073, Unknown=0, NotChecked=0, Total=12210 [2022-03-16 10:22:36,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 10:22:36,865 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 10:22:36,865 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 111 states, 111 states have (on average 4.153153153153153) internal successors, (461), 111 states have internal predecessors, (461), 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 10:22:36,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 126 states. [2022-03-16 10:22:36,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 10:22:37,012 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 617 transitions and produced 607 states. [2022-03-16 10:22:37,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2022-03-16 10:22:37,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-16 10:22:37,036 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-03-16 10:22:37,223 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 10:22:37,224 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-16 10:22:37,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 10:22:37,225 INFO L85 PathProgramCache]: Analyzing trace with hash -2038718631, now seen corresponding path program 3 times [2022-03-16 10:22:37,225 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 10:22:37,225 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [960359696] [2022-03-16 10:22:37,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 10:22:37,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 10:22:37,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 10:22:38,711 INFO L134 CoverageAnalysis]: Checked inductivity of 3902 backedges. 1857 proven. 2045 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 10:22:38,712 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 10:22:38,712 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [960359696] [2022-03-16 10:22:38,712 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [960359696] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 10:22:38,712 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [884860147] [2022-03-16 10:22:38,712 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-16 10:22:38,712 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 10:22:38,713 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 10:22:38,714 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 10:22:38,715 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 10:22:38,846 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 36 check-sat command(s) [2022-03-16 10:22:38,846 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 10:22:38,850 INFO L263 TraceCheckSpWp]: Trace formula consists of 491 conjuncts, 65 conjunts are in the unsatisfiable core [2022-03-16 10:22:38,857 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 10:22:41,939 INFO L134 CoverageAnalysis]: Checked inductivity of 3902 backedges. 1857 proven. 2045 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 10:22:41,939 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 10:22:43,416 INFO L134 CoverageAnalysis]: Checked inductivity of 3902 backedges. 1857 proven. 2045 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 10:22:43,417 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [884860147] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 10:22:43,417 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 10:22:43,417 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [66, 66, 66] total 148 [2022-03-16 10:22:43,417 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [983284897] [2022-03-16 10:22:43,418 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 10:22:43,418 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 148 states [2022-03-16 10:22:43,419 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 10:22:43,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 148 interpolants. [2022-03-16 10:22:43,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4062, Invalid=17694, Unknown=0, NotChecked=0, Total=21756 [2022-03-16 10:22:43,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 10:22:43,425 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 10:22:43,426 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 148 states, 148 states have (on average 4.25) internal successors, (629), 148 states have internal predecessors, (629), 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 10:22:43,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 126 states. [2022-03-16 10:22:43,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-16 10:22:43,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 10:22:43,694 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 734 transitions and produced 724 states. [2022-03-16 10:22:43,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2022-03-16 10:22:43,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-16 10:22:43,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-03-16 10:22:43,713 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-03-16 10:22:43,895 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 10:22:43,896 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-16 10:22:43,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 10:22:43,896 INFO L85 PathProgramCache]: Analyzing trace with hash -1726272355, now seen corresponding path program 4 times [2022-03-16 10:22:43,896 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 10:22:43,897 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1007893690] [2022-03-16 10:22:43,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 10:22:43,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 10:22:44,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 10:22:45,582 INFO L134 CoverageAnalysis]: Checked inductivity of 5531 backedges. 1857 proven. 3674 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 10:22:45,582 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 10:22:45,582 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1007893690] [2022-03-16 10:22:45,582 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1007893690] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 10:22:45,583 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [880130023] [2022-03-16 10:22:45,583 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-03-16 10:22:45,583 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 10:22:45,583 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 10:22:45,586 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 10:22:45,586 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 10:22:45,690 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-03-16 10:22:45,690 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 10:22:45,693 INFO L263 TraceCheckSpWp]: Trace formula consists of 590 conjuncts, 74 conjunts are in the unsatisfiable core [2022-03-16 10:22:45,698 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 10:22:48,812 INFO L134 CoverageAnalysis]: Checked inductivity of 5531 backedges. 1857 proven. 3674 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 10:22:48,813 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 10:22:49,419 INFO L134 CoverageAnalysis]: Checked inductivity of 5531 backedges. 1857 proven. 3674 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 10:22:49,419 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [880130023] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 10:22:49,419 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 10:22:49,420 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [75, 75, 75] total 131 [2022-03-16 10:22:49,420 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074721453] [2022-03-16 10:22:49,420 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 10:22:49,421 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 131 states [2022-03-16 10:22:49,421 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 10:22:49,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 131 interpolants. [2022-03-16 10:22:49,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2912, Invalid=14118, Unknown=0, NotChecked=0, Total=17030 [2022-03-16 10:22:49,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 10:22:49,425 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 10:22:49,426 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 131 states, 131 states have (on average 4.190839694656488) internal successors, (549), 131 states have internal predecessors, (549), 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 10:22:49,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 126 states. [2022-03-16 10:22:49,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-16 10:22:49,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-03-16 10:22:49,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 10:22:49,798 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 747 transitions and produced 737 states. [2022-03-16 10:22:49,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2022-03-16 10:22:49,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-16 10:22:49,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-03-16 10:22:49,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-03-16 10:22:49,825 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-03-16 10:22:50,022 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 10:22:50,022 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-16 10:22:50,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 10:22:50,023 INFO L85 PathProgramCache]: Analyzing trace with hash 1599930817, now seen corresponding path program 5 times [2022-03-16 10:22:50,023 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 10:22:50,023 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813466009] [2022-03-16 10:22:50,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 10:22:50,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 10:22:50,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 10:22:57,592 INFO L134 CoverageAnalysis]: Checked inductivity of 5742 backedges. 0 proven. 5736 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-03-16 10:22:57,593 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 10:22:57,593 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1813466009] [2022-03-16 10:22:57,593 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1813466009] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 10:22:57,593 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [467807580] [2022-03-16 10:22:57,593 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-03-16 10:22:57,593 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 10:22:57,593 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 10:22:57,599 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 10:22:57,601 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 10:22:57,734 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 37 check-sat command(s) [2022-03-16 10:22:57,734 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 10:22:57,748 WARN L261 TraceCheckSpWp]: Trace formula consists of 601 conjuncts, 363 conjunts are in the unsatisfiable core [2022-03-16 10:22:57,755 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 10:22:58,988 INFO L134 CoverageAnalysis]: Checked inductivity of 5742 backedges. 0 proven. 5736 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-03-16 10:22:58,988 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 10:23:00,131 INFO L134 CoverageAnalysis]: Checked inductivity of 5742 backedges. 0 proven. 5736 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-03-16 10:23:00,131 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [467807580] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 10:23:00,132 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 10:23:00,132 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [141, 141, 141] total 141 [2022-03-16 10:23:00,132 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1136957750] [2022-03-16 10:23:00,132 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 10:23:00,133 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 143 states [2022-03-16 10:23:00,133 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 10:23:00,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 143 interpolants. [2022-03-16 10:23:00,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=283, Invalid=20023, Unknown=0, NotChecked=0, Total=20306 [2022-03-16 10:23:00,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 10:23:00,138 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 10:23:00,138 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 143 states, 142 states have (on average 2.323943661971831) internal successors, (330), 142 states have internal predecessors, (330), 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 10:23:00,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 126 states. [2022-03-16 10:23:00,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-16 10:23:00,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-03-16 10:23:00,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-03-16 10:23:00,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 10:23:06,606 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 992 transitions and produced 982 states. [2022-03-16 10:23:06,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2022-03-16 10:23:06,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-16 10:23:06,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-03-16 10:23:06,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-03-16 10:23:06,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 143 states. [2022-03-16 10:23:06,623 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 10:23:06,807 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 10:23:06,807 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-16 10:23:06,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 10:23:06,808 INFO L85 PathProgramCache]: Analyzing trace with hash 1591010011, now seen corresponding path program 6 times [2022-03-16 10:23:06,808 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 10:23:06,808 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1961978753] [2022-03-16 10:23:06,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 10:23:06,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 10:23:06,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 10:23:09,141 INFO L134 CoverageAnalysis]: Checked inductivity of 10891 backedges. 4734 proven. 6157 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 10:23:09,142 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 10:23:09,142 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1961978753] [2022-03-16 10:23:09,142 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1961978753] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 10:23:09,142 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [157716935] [2022-03-16 10:23:09,142 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-03-16 10:23:09,142 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 10:23:09,142 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 10:23:09,144 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 10:23:09,148 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 10:23:09,298 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 56 check-sat command(s) [2022-03-16 10:23:09,298 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 10:23:09,303 INFO L263 TraceCheckSpWp]: Trace formula consists of 810 conjuncts, 94 conjunts are in the unsatisfiable core [2022-03-16 10:23:09,309 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 10:23:12,871 INFO L134 CoverageAnalysis]: Checked inductivity of 10891 backedges. 8640 proven. 2251 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 10:23:12,872 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 10:23:15,762 INFO L134 CoverageAnalysis]: Checked inductivity of 10891 backedges. 4734 proven. 6157 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 10:23:15,762 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [157716935] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 10:23:15,763 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 10:23:15,763 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [95, 95, 95] total 205 [2022-03-16 10:23:15,763 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2015116117] [2022-03-16 10:23:15,763 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 10:23:15,764 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 205 states [2022-03-16 10:23:15,764 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 10:23:15,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 205 interpolants. [2022-03-16 10:23:15,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7826, Invalid=33994, Unknown=0, NotChecked=0, Total=41820 [2022-03-16 10:23:15,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 10:23:15,770 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 10:23:15,771 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 205 states, 205 states have (on average 4.668292682926829) internal successors, (957), 205 states have internal predecessors, (957), 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 10:23:15,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 126 states. [2022-03-16 10:23:15,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-16 10:23:15,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-03-16 10:23:15,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-03-16 10:23:15,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 143 states. [2022-03-16 10:23:15,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 10:23:24,240 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1323 transitions and produced 1194 states. [2022-03-16 10:23:24,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2022-03-16 10:23:24,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-16 10:23:24,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-03-16 10:23:24,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-03-16 10:23:24,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 143 states. [2022-03-16 10:23:24,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 222 states. [2022-03-16 10:23:24,258 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-03-16 10:23:24,443 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 10:23:24,444 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-16 10:23:24,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 10:23:24,444 INFO L85 PathProgramCache]: Analyzing trace with hash 1645087373, now seen corresponding path program 7 times [2022-03-16 10:23:24,444 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 10:23:24,444 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1994039838] [2022-03-16 10:23:24,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 10:23:24,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 10:23:24,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 10:23:41,349 INFO L134 CoverageAnalysis]: Checked inductivity of 13475 backedges. 0 proven. 13469 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-03-16 10:23:41,349 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 10:23:41,349 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1994039838] [2022-03-16 10:23:41,349 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1994039838] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 10:23:41,349 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [959992531] [2022-03-16 10:23:41,350 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-03-16 10:23:41,350 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 10:23:41,350 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 10:23:41,360 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 10:23:41,363 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 10:23:41,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 10:23:41,517 WARN L261 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 553 conjunts are in the unsatisfiable core [2022-03-16 10:23:41,525 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 10:23:43,185 INFO L134 CoverageAnalysis]: Checked inductivity of 13475 backedges. 0 proven. 13469 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-03-16 10:23:43,185 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 10:23:44,877 INFO L134 CoverageAnalysis]: Checked inductivity of 13475 backedges. 0 proven. 13469 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-03-16 10:23:44,877 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [959992531] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 10:23:44,878 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 10:23:44,878 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [217, 217, 217] total 217 [2022-03-16 10:23:44,878 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1445356503] [2022-03-16 10:23:44,878 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 10:23:44,879 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 219 states [2022-03-16 10:23:44,879 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 10:23:44,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 219 interpolants. [2022-03-16 10:23:44,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=435, Invalid=47307, Unknown=0, NotChecked=0, Total=47742 [2022-03-16 10:23:44,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 10:23:44,882 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 10:23:44,883 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 219 states, 218 states have (on average 2.2981651376146788) internal successors, (501), 218 states have internal predecessors, (501), 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 10:23:44,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 126 states. [2022-03-16 10:23:44,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-16 10:23:44,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-03-16 10:23:44,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-03-16 10:23:44,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 143 states. [2022-03-16 10:23:44,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 222 states. [2022-03-16 10:23:44,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 10:23:59,174 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1368 transitions and produced 1340 states. [2022-03-16 10:23:59,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2022-03-16 10:23:59,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-16 10:23:59,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-03-16 10:23:59,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-03-16 10:23:59,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 143 states. [2022-03-16 10:23:59,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 222 states. [2022-03-16 10:23:59,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 219 states. [2022-03-16 10:23:59,194 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 10:23:59,376 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 10:23:59,376 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-16 10:23:59,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 10:23:59,377 INFO L85 PathProgramCache]: Analyzing trace with hash -857774669, now seen corresponding path program 8 times [2022-03-16 10:23:59,377 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 10:23:59,377 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [538076893] [2022-03-16 10:23:59,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 10:23:59,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 10:23:59,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 10:24:03,999 INFO L134 CoverageAnalysis]: Checked inductivity of 20790 backedges. 9883 proven. 10907 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 10:24:03,999 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 10:24:03,999 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [538076893] [2022-03-16 10:24:03,999 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [538076893] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 10:24:03,999 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [593982304] [2022-03-16 10:24:03,999 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-16 10:24:03,999 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 10:24:04,000 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 10:24:04,001 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 10:24:04,001 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 10:24:04,163 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-16 10:24:04,163 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 10:24:04,170 INFO L263 TraceCheckSpWp]: Trace formula consists of 1114 conjuncts, 132 conjunts are in the unsatisfiable core [2022-03-16 10:24:04,179 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 10:24:09,817 INFO L134 CoverageAnalysis]: Checked inductivity of 20790 backedges. 15841 proven. 4949 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 10:24:09,817 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 10:24:13,674 INFO L134 CoverageAnalysis]: Checked inductivity of 20790 backedges. 9883 proven. 10907 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 10:24:13,674 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [593982304] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 10:24:13,675 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 10:24:13,675 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [133, 133, 133] total 262 [2022-03-16 10:24:13,677 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [883086970] [2022-03-16 10:24:13,677 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 10:24:13,679 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 262 states [2022-03-16 10:24:13,679 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 10:24:13,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 262 interpolants. [2022-03-16 10:24:13,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12842, Invalid=55540, Unknown=0, NotChecked=0, Total=68382 [2022-03-16 10:24:13,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 10:24:13,687 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 10:24:13,687 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 262 states, 262 states have (on average 4.522900763358779) internal successors, (1185), 262 states have internal predecessors, (1185), 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 10:24:13,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 126 states. [2022-03-16 10:24:13,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-16 10:24:13,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-03-16 10:24:13,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-03-16 10:24:13,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 143 states. [2022-03-16 10:24:13,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 222 states. [2022-03-16 10:24:13,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 219 states. [2022-03-16 10:24:13,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 10:24:26,854 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1703 transitions and produced 1556 states. [2022-03-16 10:24:26,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2022-03-16 10:24:26,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-16 10:24:26,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-03-16 10:24:26,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-03-16 10:24:26,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 143 states. [2022-03-16 10:24:26,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 222 states. [2022-03-16 10:24:26,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 219 states. [2022-03-16 10:24:26,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 260 states. [2022-03-16 10:24:26,873 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2022-03-16 10:24:27,056 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 10:24:27,056 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-16 10:24:27,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 10:24:27,057 INFO L85 PathProgramCache]: Analyzing trace with hash -1985458407, now seen corresponding path program 9 times [2022-03-16 10:24:27,057 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 10:24:27,057 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1793873590] [2022-03-16 10:24:27,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 10:24:27,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 10:24:27,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 10:24:56,773 INFO L134 CoverageAnalysis]: Checked inductivity of 24457 backedges. 0 proven. 24451 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-03-16 10:24:56,773 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 10:24:56,773 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1793873590] [2022-03-16 10:24:56,773 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1793873590] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 10:24:56,773 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1558830128] [2022-03-16 10:24:56,773 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-16 10:24:56,774 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 10:24:56,774 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 10:24:56,776 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 10:24:56,776 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 10:24:57,057 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 75 check-sat command(s) [2022-03-16 10:24:57,058 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 10:24:57,074 WARN L261 TraceCheckSpWp]: Trace formula consists of 1209 conjuncts, 743 conjunts are in the unsatisfiable core [2022-03-16 10:24:57,081 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 10:24:59,297 INFO L134 CoverageAnalysis]: Checked inductivity of 24457 backedges. 0 proven. 24451 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-03-16 10:24:59,297 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 10:25:01,480 INFO L134 CoverageAnalysis]: Checked inductivity of 24457 backedges. 0 proven. 24451 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-03-16 10:25:01,480 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1558830128] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 10:25:01,480 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 10:25:01,480 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [293, 293, 293] total 293 [2022-03-16 10:25:01,480 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1408745843] [2022-03-16 10:25:01,480 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 10:25:01,482 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 295 states [2022-03-16 10:25:01,482 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 10:25:01,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 295 interpolants. [2022-03-16 10:25:01,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=587, Invalid=86143, Unknown=0, NotChecked=0, Total=86730 [2022-03-16 10:25:01,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 10:25:01,487 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 10:25:01,487 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 295 states, 294 states have (on average 2.2857142857142856) internal successors, (672), 294 states have internal predecessors, (672), 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 10:25:01,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 126 states. [2022-03-16 10:25:01,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-16 10:25:01,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-03-16 10:25:01,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-03-16 10:25:01,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 143 states. [2022-03-16 10:25:01,488 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 222 states. [2022-03-16 10:25:01,488 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 219 states. [2022-03-16 10:25:01,488 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 260 states. [2022-03-16 10:25:01,488 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 10:25:27,249 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1748 transitions and produced 1702 states. [2022-03-16 10:25:27,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2022-03-16 10:25:27,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-16 10:25:27,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-03-16 10:25:27,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-03-16 10:25:27,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 143 states. [2022-03-16 10:25:27,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 222 states. [2022-03-16 10:25:27,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 219 states. [2022-03-16 10:25:27,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 260 states. [2022-03-16 10:25:27,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 295 states. [2022-03-16 10:25:27,269 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 10:25:27,450 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 10:25:27,451 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-16 10:25:27,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 10:25:27,451 INFO L85 PathProgramCache]: Analyzing trace with hash 1949507507, now seen corresponding path program 10 times [2022-03-16 10:25:27,451 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 10:25:27,451 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506872969] [2022-03-16 10:25:27,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 10:25:27,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 10:25:28,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 10:25:34,861 INFO L134 CoverageAnalysis]: Checked inductivity of 33938 backedges. 17198 proven. 16740 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 10:25:34,861 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 10:25:34,861 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1506872969] [2022-03-16 10:25:34,861 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1506872969] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 10:25:34,861 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [884536768] [2022-03-16 10:25:34,862 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-03-16 10:25:34,862 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 10:25:34,862 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 10:25:34,863 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 10:25:34,863 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 10:25:35,126 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-03-16 10:25:35,126 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 10:25:35,137 INFO L263 TraceCheckSpWp]: Trace formula consists of 1418 conjuncts, 170 conjunts are in the unsatisfiable core [2022-03-16 10:25:35,145 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 10:25:43,316 INFO L134 CoverageAnalysis]: Checked inductivity of 33938 backedges. 25208 proven. 8730 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 10:25:43,316 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 10:25:48,099 INFO L134 CoverageAnalysis]: Checked inductivity of 33938 backedges. 17198 proven. 16740 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 10:25:48,099 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [884536768] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 10:25:48,099 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 10:25:48,099 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [171, 171, 171] total 319 [2022-03-16 10:25:48,100 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1332297440] [2022-03-16 10:25:48,100 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 10:25:48,101 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 319 states [2022-03-16 10:25:48,101 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 10:25:48,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 319 interpolants. [2022-03-16 10:25:48,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19302, Invalid=82140, Unknown=0, NotChecked=0, Total=101442 [2022-03-16 10:25:48,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 10:25:48,110 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 10:25:48,111 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 319 states, 319 states have (on average 4.429467084639499) internal successors, (1413), 319 states have internal predecessors, (1413), 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 10:25:48,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 126 states. [2022-03-16 10:25:48,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-16 10:25:48,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-03-16 10:25:48,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-03-16 10:25:48,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 143 states. [2022-03-16 10:25:48,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 222 states. [2022-03-16 10:25:48,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 219 states. [2022-03-16 10:25:48,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 260 states. [2022-03-16 10:25:48,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 295 states. [2022-03-16 10:25:48,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 10:26:07,078 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 2083 transitions and produced 1918 states. [2022-03-16 10:26:07,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2022-03-16 10:26:07,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-16 10:26:07,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-03-16 10:26:07,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-03-16 10:26:07,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 143 states. [2022-03-16 10:26:07,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 222 states. [2022-03-16 10:26:07,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 219 states. [2022-03-16 10:26:07,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 260 states. [2022-03-16 10:26:07,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 295 states. [2022-03-16 10:26:07,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 298 states. [2022-03-16 10:26:07,099 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 10:26:07,283 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 10:26:07,283 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-16 10:26:07,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 10:26:07,284 INFO L85 PathProgramCache]: Analyzing trace with hash -1522509515, now seen corresponding path program 11 times [2022-03-16 10:26:07,284 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 10:26:07,284 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277233263] [2022-03-16 10:26:07,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 10:26:07,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 10:26:07,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 10:26:53,280 INFO L134 CoverageAnalysis]: Checked inductivity of 38688 backedges. 0 proven. 38682 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-03-16 10:26:53,280 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 10:26:53,280 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [277233263] [2022-03-16 10:26:53,280 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [277233263] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 10:26:53,280 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1272975512] [2022-03-16 10:26:53,280 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-03-16 10:26:53,281 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 10:26:53,281 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 10:26:53,282 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 10:26:53,282 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 10:26:53,642 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 94 check-sat command(s) [2022-03-16 10:26:53,643 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 10:26:53,680 WARN L261 TraceCheckSpWp]: Trace formula consists of 1513 conjuncts, 933 conjunts are in the unsatisfiable core [2022-03-16 10:26:53,689 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 10:26:56,369 INFO L134 CoverageAnalysis]: Checked inductivity of 38688 backedges. 0 proven. 38682 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-03-16 10:26:56,369 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 10:26:59,009 INFO L134 CoverageAnalysis]: Checked inductivity of 38688 backedges. 0 proven. 38682 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-03-16 10:26:59,010 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1272975512] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 10:26:59,010 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 10:26:59,010 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [369, 369, 369] total 369 [2022-03-16 10:26:59,010 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1499305992] [2022-03-16 10:26:59,010 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 10:26:59,011 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 371 states [2022-03-16 10:26:59,011 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 10:26:59,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 371 interpolants. [2022-03-16 10:26:59,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=739, Invalid=136531, Unknown=0, NotChecked=0, Total=137270 [2022-03-16 10:26:59,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 10:26:59,016 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 10:26:59,016 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 371 states, 370 states have (on average 2.2783783783783784) internal successors, (843), 370 states have internal predecessors, (843), 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 10:26:59,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 126 states. [2022-03-16 10:26:59,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-16 10:26:59,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-03-16 10:26:59,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-03-16 10:26:59,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 143 states. [2022-03-16 10:26:59,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 222 states. [2022-03-16 10:26:59,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 219 states. [2022-03-16 10:26:59,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 260 states. [2022-03-16 10:26:59,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 295 states. [2022-03-16 10:26:59,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 298 states. [2022-03-16 10:26:59,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 10:27:39,221 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 2128 transitions and produced 2064 states. [2022-03-16 10:27:39,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2022-03-16 10:27:39,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-16 10:27:39,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-03-16 10:27:39,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-03-16 10:27:39,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 143 states. [2022-03-16 10:27:39,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 222 states. [2022-03-16 10:27:39,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 219 states. [2022-03-16 10:27:39,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 260 states. [2022-03-16 10:27:39,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 295 states. [2022-03-16 10:27:39,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 298 states. [2022-03-16 10:27:39,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 371 states. [2022-03-16 10:27:39,245 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 10:27:39,431 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 10:27:39,431 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-16 10:27:39,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 10:27:39,432 INFO L85 PathProgramCache]: Analyzing trace with hash -245041957, now seen corresponding path program 12 times [2022-03-16 10:27:39,432 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 10:27:39,432 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2053580238] [2022-03-16 10:27:39,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 10:27:39,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 10:27:40,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 10:27:50,193 INFO L134 CoverageAnalysis]: Checked inductivity of 50335 backedges. 26679 proven. 23656 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 10:27:50,194 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 10:27:50,194 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2053580238] [2022-03-16 10:27:50,194 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2053580238] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 10:27:50,194 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [58186582] [2022-03-16 10:27:50,194 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-03-16 10:27:50,194 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 10:27:50,194 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 10:27:50,195 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 10:27:50,196 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 10:27:50,720 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 113 check-sat command(s) [2022-03-16 10:27:50,720 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 10:27:50,751 INFO L263 TraceCheckSpWp]: Trace formula consists of 1722 conjuncts, 208 conjunts are in the unsatisfiable core [2022-03-16 10:27:50,763 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 10:28:02,025 INFO L134 CoverageAnalysis]: Checked inductivity of 50335 backedges. 36741 proven. 13594 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 10:28:02,025 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 10:28:07,590 INFO L134 CoverageAnalysis]: Checked inductivity of 50335 backedges. 26679 proven. 23656 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 10:28:07,590 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [58186582] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 10:28:07,590 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 10:28:07,591 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [209, 209, 209] total 376 [2022-03-16 10:28:07,591 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764641113] [2022-03-16 10:28:07,591 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 10:28:07,593 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 376 states [2022-03-16 10:28:07,593 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 10:28:07,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 376 interpolants. [2022-03-16 10:28:07,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27206, Invalid=113794, Unknown=0, NotChecked=0, Total=141000 [2022-03-16 10:28:07,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 10:28:07,606 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 10:28:07,607 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 376 states, 376 states have (on average 4.36436170212766) internal successors, (1641), 376 states have internal predecessors, (1641), 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 10:28:07,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 126 states. [2022-03-16 10:28:07,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-16 10:28:07,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-03-16 10:28:07,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-03-16 10:28:07,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 143 states. [2022-03-16 10:28:07,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 222 states. [2022-03-16 10:28:07,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 219 states. [2022-03-16 10:28:07,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 260 states. [2022-03-16 10:28:07,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 295 states. [2022-03-16 10:28:07,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 298 states. [2022-03-16 10:28:07,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 371 states. [2022-03-16 10:28:07,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 10:28:37,690 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 2463 transitions and produced 2280 states. [2022-03-16 10:28:37,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2022-03-16 10:28:37,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-16 10:28:37,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-03-16 10:28:37,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-03-16 10:28:37,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 143 states. [2022-03-16 10:28:37,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 222 states. [2022-03-16 10:28:37,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 219 states. [2022-03-16 10:28:37,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 260 states. [2022-03-16 10:28:37,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 295 states. [2022-03-16 10:28:37,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 298 states. [2022-03-16 10:28:37,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 371 states. [2022-03-16 10:28:37,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 336 states. [2022-03-16 10:28:37,711 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 10:28:37,891 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 10:28:37,892 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-16 10:28:37,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 10:28:37,892 INFO L85 PathProgramCache]: Analyzing trace with hash 827606129, now seen corresponding path program 13 times [2022-03-16 10:28:37,892 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 10:28:37,892 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941533820] [2022-03-16 10:28:37,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 10:28:37,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 10:28:38,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 10:29:43,302 INFO L134 CoverageAnalysis]: Checked inductivity of 56168 backedges. 0 proven. 56162 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-03-16 10:29:43,302 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 10:29:43,303 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [941533820] [2022-03-16 10:29:43,303 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [941533820] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 10:29:43,303 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1632520322] [2022-03-16 10:29:43,303 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-03-16 10:29:43,303 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 10:29:43,303 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 10:29:43,305 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 10:29:43,310 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 10:29:43,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 10:29:43,579 WARN L261 TraceCheckSpWp]: Trace formula consists of 1817 conjuncts, 1123 conjunts are in the unsatisfiable core [2022-03-16 10:29:43,591 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 10:29:46,760 INFO L134 CoverageAnalysis]: Checked inductivity of 56168 backedges. 0 proven. 56162 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-03-16 10:29:46,761 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 10:29:49,982 INFO L134 CoverageAnalysis]: Checked inductivity of 56168 backedges. 0 proven. 56162 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-03-16 10:29:49,983 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1632520322] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 10:29:49,983 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 10:29:49,983 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [445, 445, 445] total 445 [2022-03-16 10:29:49,983 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [983107359] [2022-03-16 10:29:49,983 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 10:29:49,984 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 447 states [2022-03-16 10:29:49,985 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 10:29:49,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 447 interpolants. [2022-03-16 10:29:49,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=891, Invalid=198471, Unknown=0, NotChecked=0, Total=199362 [2022-03-16 10:29:49,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 10:29:49,991 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 10:29:49,992 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 447 states, 446 states have (on average 2.273542600896861) internal successors, (1014), 446 states have internal predecessors, (1014), 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 10:29:49,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 126 states. [2022-03-16 10:29:49,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-16 10:29:49,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-03-16 10:29:49,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-03-16 10:29:49,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 143 states. [2022-03-16 10:29:49,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 222 states. [2022-03-16 10:29:49,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 219 states. [2022-03-16 10:29:49,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 260 states. [2022-03-16 10:29:49,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 295 states. [2022-03-16 10:29:49,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 298 states. [2022-03-16 10:29:49,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 371 states. [2022-03-16 10:29:49,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 336 states. [2022-03-16 10:29:49,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 10:30:47,406 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 2508 transitions and produced 2426 states. [2022-03-16 10:30:47,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2022-03-16 10:30:47,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-16 10:30:47,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-03-16 10:30:47,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-03-16 10:30:47,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 143 states. [2022-03-16 10:30:47,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 222 states. [2022-03-16 10:30:47,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 219 states. [2022-03-16 10:30:47,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 260 states. [2022-03-16 10:30:47,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 295 states. [2022-03-16 10:30:47,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 298 states. [2022-03-16 10:30:47,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 371 states. [2022-03-16 10:30:47,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 336 states. [2022-03-16 10:30:47,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 447 states. [2022-03-16 10:30:47,428 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 10:30:47,608 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 10:30:47,608 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-16 10:30:47,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 10:30:47,609 INFO L85 PathProgramCache]: Analyzing trace with hash -2140953461, now seen corresponding path program 14 times [2022-03-16 10:30:47,609 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 10:30:47,609 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1832285185] [2022-03-16 10:30:47,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 10:30:47,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 10:30:48,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 10:31:02,624 INFO L134 CoverageAnalysis]: Checked inductivity of 69981 backedges. 38326 proven. 31655 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 10:31:02,624 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 10:31:02,624 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1832285185] [2022-03-16 10:31:02,624 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1832285185] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 10:31:02,624 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1664678181] [2022-03-16 10:31:02,624 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-16 10:31:02,625 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 10:31:02,625 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 10:31:02,626 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-16 10:31:02,627 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2022-03-16 10:31:02,900 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-16 10:31:02,900 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 10:31:02,922 INFO L263 TraceCheckSpWp]: Trace formula consists of 2026 conjuncts, 246 conjunts are in the unsatisfiable core [2022-03-16 10:31:02,933 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 10:31:17,565 INFO L134 CoverageAnalysis]: Checked inductivity of 69981 backedges. 50440 proven. 19541 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 10:31:17,565 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 10:31:24,109 INFO L134 CoverageAnalysis]: Checked inductivity of 69981 backedges. 38326 proven. 31655 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 10:31:24,109 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1664678181] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 10:31:24,109 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 10:31:24,110 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [247, 247, 247] total 433 [2022-03-16 10:31:24,110 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [477893471] [2022-03-16 10:31:24,110 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 10:31:24,112 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 433 states [2022-03-16 10:31:24,112 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 10:31:24,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 433 interpolants. [2022-03-16 10:31:24,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36554, Invalid=150502, Unknown=0, NotChecked=0, Total=187056 [2022-03-16 10:31:24,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 10:31:24,127 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 10:31:24,128 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 433 states, 433 states have (on average 4.316397228637413) internal successors, (1869), 433 states have internal predecessors, (1869), 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 10:31:24,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 126 states. [2022-03-16 10:31:24,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-16 10:31:24,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-03-16 10:31:24,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-03-16 10:31:24,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 143 states. [2022-03-16 10:31:24,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 222 states. [2022-03-16 10:31:24,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 219 states. [2022-03-16 10:31:24,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 260 states. [2022-03-16 10:31:24,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 295 states. [2022-03-16 10:31:24,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 298 states. [2022-03-16 10:31:24,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 371 states. [2022-03-16 10:31:24,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 336 states. [2022-03-16 10:31:24,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 447 states. [2022-03-16 10:31:24,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 10:32:05,622 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 2843 transitions and produced 2642 states. [2022-03-16 10:32:05,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2022-03-16 10:32:05,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-16 10:32:05,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-03-16 10:32:05,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-03-16 10:32:05,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 143 states. [2022-03-16 10:32:05,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 222 states. [2022-03-16 10:32:05,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 219 states. [2022-03-16 10:32:05,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 260 states. [2022-03-16 10:32:05,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 295 states. [2022-03-16 10:32:05,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 298 states. [2022-03-16 10:32:05,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 371 states. [2022-03-16 10:32:05,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 336 states. [2022-03-16 10:32:05,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 447 states. [2022-03-16 10:32:05,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 374 states. [2022-03-16 10:32:05,645 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2022-03-16 10:32:05,827 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 10:32:05,828 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-16 10:32:05,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 10:32:05,828 INFO L85 PathProgramCache]: Analyzing trace with hash 368721885, now seen corresponding path program 15 times [2022-03-16 10:32:05,828 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 10:32:05,828 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171186206] [2022-03-16 10:32:05,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 10:32:05,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 10:32:07,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 10:33:35,018 INFO L134 CoverageAnalysis]: Checked inductivity of 76897 backedges. 0 proven. 76891 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-03-16 10:33:35,018 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 10:33:35,019 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1171186206] [2022-03-16 10:33:35,020 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1171186206] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 10:33:35,020 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1326295157] [2022-03-16 10:33:35,020 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-16 10:33:35,020 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 10:33:35,020 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 10:33:35,021 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-16 10:33:35,022 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2022-03-16 10:33:35,784 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 132 check-sat command(s) [2022-03-16 10:33:35,784 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 10:33:35,821 WARN L261 TraceCheckSpWp]: Trace formula consists of 2121 conjuncts, 1313 conjunts are in the unsatisfiable core [2022-03-16 10:33:35,832 INFO L286 TraceCheckSpWp]: Computing forward predicates... Received shutdown request... [2022-03-16 10:33:38,274 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (2 of 3 remaining) [2022-03-16 10:33:38,277 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-16 10:33:38,277 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 10:33:38,283 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 10:33:38,295 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2022-03-16 10:33:38,479 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-03-16 10:33:38,480 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 1192 with TraceHistMax 131,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ATOM-1 context. [2022-03-16 10:33:38,481 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 3 remaining) [2022-03-16 10:33:38,481 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (0 of 3 remaining) [2022-03-16 10:33:38,486 INFO L732 BasicCegarLoop]: Path program histogram: [15] [2022-03-16 10:33:38,488 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-16 10:33:38,488 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-16 10:33:38,490 INFO L202 PluginConnector]: Adding new model loop-lockstep-example.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.03 10:33:38 BasicIcfg [2022-03-16 10:33:38,490 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-16 10:33:38,490 INFO L158 Benchmark]: Toolchain (without parser) took 674368.62ms. Allocated memory was 184.5MB in the beginning and 1.8GB in the end (delta: 1.6GB). Free memory was 143.6MB in the beginning and 342.5MB in the end (delta: -198.8MB). Peak memory consumption was 1.4GB. Max. memory is 8.0GB. [2022-03-16 10:33:38,491 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.11ms. Allocated memory is still 184.5MB. Free memory is still 144.6MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-16 10:33:38,491 INFO L158 Benchmark]: Boogie Procedure Inliner took 23.50ms. Allocated memory is still 184.5MB. Free memory was 143.6MB in the beginning and 142.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-03-16 10:33:38,491 INFO L158 Benchmark]: Boogie Preprocessor took 16.30ms. Allocated memory is still 184.5MB. Free memory was 142.0MB in the beginning and 141.1MB in the end (delta: 900.0kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-16 10:33:38,491 INFO L158 Benchmark]: RCFGBuilder took 225.48ms. Allocated memory is still 184.5MB. Free memory was 141.0MB in the beginning and 132.6MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. [2022-03-16 10:33:38,492 INFO L158 Benchmark]: TraceAbstraction took 674096.55ms. Allocated memory was 184.5MB in the beginning and 1.8GB in the end (delta: 1.6GB). Free memory was 132.1MB in the beginning and 342.5MB in the end (delta: -210.4MB). Peak memory consumption was 1.4GB. Max. memory is 8.0GB. [2022-03-16 10:33:38,493 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 0.11ms. Allocated memory is still 184.5MB. Free memory is still 144.6MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 23.50ms. Allocated memory is still 184.5MB. Free memory was 143.6MB in the beginning and 142.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 16.30ms. Allocated memory is still 184.5MB. Free memory was 142.0MB in the beginning and 141.1MB in the end (delta: 900.0kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 225.48ms. Allocated memory is still 184.5MB. Free memory was 141.0MB in the beginning and 132.6MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. * TraceAbstraction took 674096.55ms. Allocated memory was 184.5MB in the beginning and 1.8GB in the end (delta: 1.6GB). Free memory was 132.1MB in the beginning and 342.5MB in the end (delta: -210.4MB). Peak memory consumption was 1.4GB. 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: 47]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 1192 with TraceHistMax 131,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ATOM-1 context. - TimeoutResultAtElement [Line: 43]: 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 1192 with TraceHistMax 131,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ATOM-1 context. - TimeoutResultAtElement [Line: 43]: 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 1192 with TraceHistMax 131,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ATOM-1 context. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 41 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 674.0s, OverallIterations: 15, TraceHistogramMax: 0, PathProgramHistogramMax: 15, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 260.3s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 3180, 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: 0.5s SsaConstructionTime, 8.4s SatisfiabilityAnalysisTime, 308.4s InterpolantComputationTime, 16806 NumberOfCodeBlocks, 16806 NumberOfCodeBlocksAsserted, 436 NumberOfCheckSat, 25167 ConstructedInterpolants, 0 QuantifiedInterpolants, 136283 SizeOfPredicates, 36 NumberOfNonLiveVariables, 15021 ConjunctsInSsa, 4791 ConjunctsInUnsatCore, 42 InterpolantComputations, 0 PerfectInterpolantSequences, 350397/1018527 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