/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-DelaySleep-NoLbe-Random521.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/parallel-sum-2.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2abb09bbbae98a04ae2fcc735832bfdba44f6fbc-2abb09b [2021-06-06 21:30:19,174 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-06 21:30:19,176 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-06 21:30:19,198 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-06 21:30:19,198 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-06 21:30:19,199 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-06 21:30:19,200 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-06 21:30:19,202 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-06 21:30:19,203 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-06 21:30:19,204 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-06 21:30:19,205 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-06 21:30:19,206 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-06 21:30:19,206 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-06 21:30:19,207 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-06 21:30:19,208 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-06 21:30:19,209 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-06 21:30:19,209 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-06 21:30:19,210 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-06 21:30:19,211 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-06 21:30:19,213 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-06 21:30:19,214 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-06 21:30:19,215 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-06 21:30:19,216 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-06 21:30:19,217 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-06 21:30:19,219 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-06-06 21:30:19,220 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-06-06 21:30:19,220 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-06-06 21:30:19,221 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-06-06 21:30:19,221 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-06-06 21:30:19,222 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-06-06 21:30:19,222 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-06 21:30:19,223 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-06 21:30:19,224 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-06 21:30:19,224 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-06 21:30:19,225 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-06 21:30:19,226 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-06 21:30:19,226 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-06 21:30:19,226 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-06 21:30:19,227 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-06 21:30:19,227 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-06 21:30:19,228 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-06 21:30:19,229 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-DelaySleep-NoLbe-Random521.epf [2021-06-06 21:30:19,248 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-06 21:30:19,248 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-06 21:30:19,248 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-06 21:30:19,248 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-06 21:30:19,249 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-06 21:30:19,249 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-06 21:30:19,250 INFO L138 SettingsManager]: * Use SBE=true [2021-06-06 21:30:19,250 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-06 21:30:19,250 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-06 21:30:19,250 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-06 21:30:19,250 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-06 21:30:19,250 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-06 21:30:19,251 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-06 21:30:19,251 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-06 21:30:19,251 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-06 21:30:19,251 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-06 21:30:19,251 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-06 21:30:19,251 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-06 21:30:19,251 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-06 21:30:19,252 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-06 21:30:19,252 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-06 21:30:19,252 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-06 21:30:19,252 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-06 21:30:19,252 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-06 21:30:19,252 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-06 21:30:19,252 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-06 21:30:19,253 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-06 21:30:19,253 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-06 21:30:19,253 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-06-06 21:30:19,253 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-06 21:30:19,253 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-06 21:30:19,253 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-06 21:30:19,254 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-06 21:30:19,254 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-06 21:30:19,254 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-06-06 21:30:19,254 INFO L138 SettingsManager]: * Random seed used by POR DFS order=521 WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-06 21:30:19,557 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-06 21:30:19,576 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-06 21:30:19,579 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-06 21:30:19,580 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-06 21:30:19,581 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-06 21:30:19,581 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/parallel-sum-2.wvr.bpl [2021-06-06 21:30:19,582 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/parallel-sum-2.wvr.bpl' [2021-06-06 21:30:19,617 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-06 21:30:19,619 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-06 21:30:19,621 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-06 21:30:19,621 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-06 21:30:19,621 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-06 21:30:19,632 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "parallel-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 09:30:19" (1/1) ... [2021-06-06 21:30:19,641 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "parallel-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 09:30:19" (1/1) ... [2021-06-06 21:30:19,647 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-06 21:30:19,649 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-06 21:30:19,649 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-06 21:30:19,649 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-06 21:30:19,655 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "parallel-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 09:30:19" (1/1) ... [2021-06-06 21:30:19,656 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "parallel-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 09:30:19" (1/1) ... [2021-06-06 21:30:19,666 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "parallel-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 09:30:19" (1/1) ... [2021-06-06 21:30:19,666 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "parallel-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 09:30:19" (1/1) ... [2021-06-06 21:30:19,673 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "parallel-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 09:30:19" (1/1) ... [2021-06-06 21:30:19,675 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "parallel-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 09:30:19" (1/1) ... [2021-06-06 21:30:19,676 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "parallel-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 09:30:19" (1/1) ... [2021-06-06 21:30:19,677 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-06 21:30:19,678 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-06 21:30:19,678 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-06 21:30:19,678 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-06 21:30:19,681 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "parallel-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 09:30:19" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-06 21:30:19,750 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-06 21:30:19,750 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-06 21:30:19,750 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-06 21:30:19,750 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-06 21:30:19,750 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-06 21:30:19,750 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-06 21:30:19,751 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-06 21:30:19,751 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-06 21:30:19,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-06 21:30:19,751 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-06-06 21:30:19,751 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-06-06 21:30:19,751 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-06-06 21:30:19,752 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2021-06-06 21:30:19,752 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-06-06 21:30:19,752 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-06-06 21:30:19,752 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread5 given in one single declaration [2021-06-06 21:30:19,752 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2021-06-06 21:30:19,752 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2021-06-06 21:30:19,753 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread6 given in one single declaration [2021-06-06 21:30:19,753 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2021-06-06 21:30:19,753 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2021-06-06 21:30:19,754 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-06 21:30:20,083 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-06 21:30:20,083 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-06-06 21:30:20,084 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread2EXIT is neither atomic block end nor error location. [2021-06-06 21:30:20,084 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread3EXIT is neither atomic block end nor error location. [2021-06-06 21:30:20,085 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread5EXIT is neither atomic block end nor error location. [2021-06-06 21:30:20,085 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread6EXIT is neither atomic block end nor error location. [2021-06-06 21:30:20,086 INFO L202 PluginConnector]: Adding new model parallel-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 09:30:20 BoogieIcfgContainer [2021-06-06 21:30:20,086 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-06 21:30:20,088 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-06 21:30:20,088 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-06 21:30:20,090 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-06 21:30:20,090 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "parallel-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 09:30:19" (1/2) ... [2021-06-06 21:30:20,091 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19b87158 and model type parallel-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.06 09:30:20, skipping insertion in model container [2021-06-06 21:30:20,091 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "parallel-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 09:30:20" (2/2) ... [2021-06-06 21:30:20,092 INFO L111 eAbstractionObserver]: Analyzing ICFG parallel-sum-2.wvr.bpl [2021-06-06 21:30:20,113 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-06 21:30:20,114 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-06 21:30:20,114 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-06 21:30:20,115 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-06 21:30:20,230 INFO L149 ThreadInstanceAdder]: Constructed 18 joinOtherThreadTransitions. [2021-06-06 21:30:20,251 INFO L255 AbstractCegarLoop]: Starting to check reachability of 2 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-06 21:30:20,308 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-06 21:30:20,309 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-06 21:30:20,309 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-06 21:30:20,309 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-06 21:30:20,309 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-06 21:30:20,309 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-06 21:30:20,309 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-06 21:30:20,309 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == thread4Thread1of1ForFork4======== [2021-06-06 21:30:20,541 INFO L301 ceAbstractionStarter]: Result for error location thread4Thread1of1ForFork4 was SAFE (1/5) [2021-06-06 21:30:20,543 INFO L255 AbstractCegarLoop]: Starting to check reachability of 2 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-06 21:30:20,554 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-06 21:30:20,555 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-06 21:30:20,555 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-06 21:30:20,555 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-06 21:30:20,555 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-06 21:30:20,555 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-06 21:30:20,555 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-06 21:30:20,555 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == thread1======== [2021-06-06 21:30:20,660 INFO L301 ceAbstractionStarter]: Result for error location thread1 was SAFE (2/5) [2021-06-06 21:30:20,661 INFO L255 AbstractCegarLoop]: Starting to check reachability of 2 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-06 21:30:20,679 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-06 21:30:20,679 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-06 21:30:20,679 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-06 21:30:20,679 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-06 21:30:20,679 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-06 21:30:20,679 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-06 21:30:20,680 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-06 21:30:20,680 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == thread1Thread1of1ForFork1======== [2021-06-06 21:30:20,767 INFO L301 ceAbstractionStarter]: Result for error location thread1Thread1of1ForFork1 was SAFE (3/5) [2021-06-06 21:30:20,767 INFO L255 AbstractCegarLoop]: Starting to check reachability of 2 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-06 21:30:20,779 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-06 21:30:20,779 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-06 21:30:20,779 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-06 21:30:20,779 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-06 21:30:20,779 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-06 21:30:20,779 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-06 21:30:20,779 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-06 21:30:20,779 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == thread4======== [2021-06-06 21:30:20,852 INFO L301 ceAbstractionStarter]: Result for error location thread4 was SAFE (4/5) [2021-06-06 21:30:20,853 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-06 21:30:20,858 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-06 21:30:20,858 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-06 21:30:20,858 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-06 21:30:20,858 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-06 21:30:20,858 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-06 21:30:20,858 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-06 21:30:20,859 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-06 21:30:20,859 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-06 21:30:20,890 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 21:30:20,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 21:30:20,895 INFO L82 PathProgramCache]: Analyzing trace with hash 155767865, now seen corresponding path program 1 times [2021-06-06 21:30:20,902 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 21:30:20,902 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666572575] [2021-06-06 21:30:20,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 21:30:20,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 21:30:21,103 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:30:21,104 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 21:30:21,104 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [666572575] [2021-06-06 21:30:21,105 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [666572575] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 21:30:21,105 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 21:30:21,105 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-06 21:30:21,105 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1326518886] [2021-06-06 21:30:21,110 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-06 21:30:21,110 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 21:30:21,118 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-06 21:30:21,120 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-06-06 21:30:21,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:30:21,122 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 21:30:21,122 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 21:30:21,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:30:21,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 21:30:21,154 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-06 21:30:21,155 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 21:30:21,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 21:30:21,155 INFO L82 PathProgramCache]: Analyzing trace with hash -780053320, now seen corresponding path program 1 times [2021-06-06 21:30:21,155 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 21:30:21,155 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1455746580] [2021-06-06 21:30:21,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 21:30:21,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 21:30:21,267 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:30:21,267 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 21:30:21,267 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1455746580] [2021-06-06 21:30:21,267 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1455746580] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:30:21,267 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [94348107] [2021-06-06 21:30:21,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 21:30:21,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 21:30:21,352 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 4 conjunts are in the unsatisfiable core [2021-06-06 21:30:21,358 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 21:30:21,543 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:30:21,543 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [94348107] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:30:21,543 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 21:30:21,543 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 3] total 7 [2021-06-06 21:30:21,544 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [802512494] [2021-06-06 21:30:21,546 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-06 21:30:21,546 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 21:30:21,546 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-06 21:30:21,546 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-06-06 21:30:21,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:30:21,547 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 21:30:21,547 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 6.125) internal successors, (49), 7 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 21:30:21,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 21:30:21,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:30:21,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 21:30:21,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 21:30:21,840 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 21:30:21,841 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 21:30:21,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 21:30:21,841 INFO L82 PathProgramCache]: Analyzing trace with hash 1646819369, now seen corresponding path program 1 times [2021-06-06 21:30:21,841 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 21:30:21,842 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342588109] [2021-06-06 21:30:21,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 21:30:21,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 21:30:22,168 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:30:22,168 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 21:30:22,168 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [342588109] [2021-06-06 21:30:22,168 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [342588109] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:30:22,168 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [335847421] [2021-06-06 21:30:22,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 21:30:22,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 21:30:22,233 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 29 conjunts are in the unsatisfiable core [2021-06-06 21:30:22,235 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 21:30:22,341 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-06-06 21:30:22,345 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 21:30:22,352 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:30:22,353 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 21:30:22,353 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:13 [2021-06-06 21:30:22,471 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:30:22,471 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [335847421] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:30:22,472 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 21:30:22,472 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8] total 14 [2021-06-06 21:30:22,472 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2082891704] [2021-06-06 21:30:22,472 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-06 21:30:22,472 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 21:30:22,473 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-06 21:30:22,475 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2021-06-06 21:30:22,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:30:22,475 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 21:30:22,475 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 3.0) internal successors, (45), 14 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 21:30:22,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 21:30:22,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 21:30:22,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:30:22,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 21:30:22,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 21:30:22,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:30:22,796 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 21:30:22,797 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 21:30:22,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 21:30:22,797 INFO L82 PathProgramCache]: Analyzing trace with hash 1629397288, now seen corresponding path program 2 times [2021-06-06 21:30:22,798 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 21:30:22,798 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941695535] [2021-06-06 21:30:22,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 21:30:22,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 21:30:22,883 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:30:22,884 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 21:30:22,884 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [941695535] [2021-06-06 21:30:22,884 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [941695535] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:30:22,884 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1295121036] [2021-06-06 21:30:22,885 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 21:30:22,951 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 21:30:22,951 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 21:30:22,952 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 6 conjunts are in the unsatisfiable core [2021-06-06 21:30:22,953 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 21:30:23,064 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:30:23,064 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1295121036] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:30:23,065 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 21:30:23,065 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2021-06-06 21:30:23,065 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1560973479] [2021-06-06 21:30:23,065 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-06-06 21:30:23,065 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 21:30:23,066 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-06-06 21:30:23,066 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-06-06 21:30:23,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:30:23,066 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 21:30:23,066 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 5.2) internal successors, (52), 9 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 21:30:23,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 21:30:23,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 21:30:23,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:30:23,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:30:23,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 21:30:23,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 21:30:23,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:30:23,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:30:23,341 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,9 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 21:30:23,341 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 21:30:23,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 21:30:23,341 INFO L82 PathProgramCache]: Analyzing trace with hash 1063826825, now seen corresponding path program 3 times [2021-06-06 21:30:23,342 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 21:30:23,342 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [370966829] [2021-06-06 21:30:23,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 21:30:23,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 21:30:23,742 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:30:23,743 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 21:30:23,743 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [370966829] [2021-06-06 21:30:23,743 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [370966829] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:30:23,746 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [940548895] [2021-06-06 21:30:23,746 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 21:30:23,815 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-06-06 21:30:23,816 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 21:30:23,817 INFO L263 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 43 conjunts are in the unsatisfiable core [2021-06-06 21:30:23,819 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 21:30:24,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:30:24,083 INFO L354 Elim1Store]: treesize reduction 10, result has 80.4 percent of original size [2021-06-06 21:30:24,083 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 27 treesize of output 55 [2021-06-06 21:30:24,102 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-06-06 21:30:24,130 INFO L628 ElimStorePlain]: treesize reduction 88, result has 20.0 percent of original size [2021-06-06 21:30:24,131 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 21:30:24,131 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:38, output treesize:22 [2021-06-06 21:30:24,336 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:30:24,336 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [940548895] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:30:24,336 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 21:30:24,337 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 25 [2021-06-06 21:30:24,337 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1644696495] [2021-06-06 21:30:24,337 INFO L462 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-06-06 21:30:24,337 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 21:30:24,338 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-06-06 21:30:24,338 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=577, Unknown=0, NotChecked=0, Total=650 [2021-06-06 21:30:24,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:30:24,338 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 21:30:24,339 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 2.3461538461538463) internal successors, (61), 25 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 21:30:24,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 21:30:24,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 21:30:24,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:30:24,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:30:24,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:30:24,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 21:30:24,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 21:30:24,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:30:24,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:30:24,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:30:25,025 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 21:30:25,025 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 21:30:25,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 21:30:25,025 INFO L82 PathProgramCache]: Analyzing trace with hash 353650440, now seen corresponding path program 4 times [2021-06-06 21:30:25,025 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 21:30:25,026 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [30071819] [2021-06-06 21:30:25,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 21:30:25,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 21:30:25,092 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:30:25,092 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 21:30:25,092 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [30071819] [2021-06-06 21:30:25,093 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [30071819] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:30:25,093 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2058722580] [2021-06-06 21:30:25,093 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 21:30:25,144 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-06 21:30:25,145 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 21:30:25,145 INFO L263 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 8 conjunts are in the unsatisfiable core [2021-06-06 21:30:25,147 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 21:30:25,232 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:30:25,232 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2058722580] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:30:25,232 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 21:30:25,232 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2021-06-06 21:30:25,232 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42757982] [2021-06-06 21:30:25,233 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-06 21:30:25,233 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 21:30:25,233 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-06 21:30:25,233 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2021-06-06 21:30:25,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:30:25,234 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 21:30:25,234 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 4.909090909090909) internal successors, (54), 10 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 21:30:25,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 21:30:25,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 21:30:25,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:30:25,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:30:25,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:30:25,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:30:25,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 21:30:25,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 21:30:25,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:30:25,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:30:25,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:30:25,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 21:30:25,528 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 21:30:25,529 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 21:30:25,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 21:30:25,530 INFO L82 PathProgramCache]: Analyzing trace with hash -863214743, now seen corresponding path program 5 times [2021-06-06 21:30:25,530 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 21:30:25,530 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1824621458] [2021-06-06 21:30:25,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 21:30:25,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 21:30:26,192 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:30:26,192 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 21:30:26,193 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1824621458] [2021-06-06 21:30:26,193 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1824621458] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:30:26,193 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1299091004] [2021-06-06 21:30:26,193 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 21:30:26,237 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-06-06 21:30:26,238 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 21:30:26,239 INFO L263 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 53 conjunts are in the unsatisfiable core [2021-06-06 21:30:26,241 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 21:30:26,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:30:26,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:30:26,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:30:26,735 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:30:26,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:30:26,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:30:26,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:30:26,738 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:30:26,739 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:30:26,739 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 21 [2021-06-06 21:30:26,741 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 21:30:26,750 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:30:26,752 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 21:30:26,752 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:67, output treesize:20 [2021-06-06 21:30:26,875 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:30:26,876 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1299091004] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:30:26,876 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 21:30:26,876 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 16] total 28 [2021-06-06 21:30:26,876 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [351837089] [2021-06-06 21:30:26,877 INFO L462 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-06-06 21:30:26,877 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 21:30:26,877 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-06-06 21:30:26,877 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=723, Unknown=0, NotChecked=0, Total=812 [2021-06-06 21:30:26,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:30:26,878 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 21:30:26,878 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 29 states, 29 states have (on average 2.0344827586206895) internal successors, (59), 28 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 21:30:26,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 21:30:26,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 21:30:26,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:30:26,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:30:26,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:30:26,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 21:30:26,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:30:28,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 21:30:28,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 21:30:28,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:30:28,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:30:28,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:30:28,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 21:30:28,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 21:30:28,251 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-06-06 21:30:28,252 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 21:30:28,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 21:30:28,252 INFO L82 PathProgramCache]: Analyzing trace with hash -710860343, now seen corresponding path program 6 times [2021-06-06 21:30:28,252 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 21:30:28,253 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [548490347] [2021-06-06 21:30:28,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 21:30:28,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 21:30:29,136 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:30:29,136 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 21:30:29,136 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [548490347] [2021-06-06 21:30:29,136 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [548490347] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:30:29,136 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [463264903] [2021-06-06 21:30:29,136 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 21:30:29,196 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-06-06 21:30:29,197 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 21:30:29,198 INFO L263 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 65 conjunts are in the unsatisfiable core [2021-06-06 21:30:29,203 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 21:30:29,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:30:29,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:30:29,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:30:29,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:30:29,935 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:30:29,935 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:30:29,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:30:29,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:30:29,938 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:30:29,962 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:30:29,963 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 3 disjoint index pairs (out of 28 index pairs), introduced 5 new quantified variables, introduced 13 case distinctions, treesize of input 62 treesize of output 88 [2021-06-06 21:30:30,296 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 4 xjuncts. [2021-06-06 21:30:30,526 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 23 [2021-06-06 21:30:30,526 INFO L628 ElimStorePlain]: treesize reduction 776, result has 3.8 percent of original size [2021-06-06 21:30:30,528 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 21:30:30,528 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:76, output treesize:26 [2021-06-06 21:30:30,778 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:30:30,779 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [463264903] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:30:30,779 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 21:30:30,779 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22] total 38 [2021-06-06 21:30:30,779 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1899744416] [2021-06-06 21:30:30,779 INFO L462 AbstractCegarLoop]: Interpolant automaton has 39 states [2021-06-06 21:30:30,779 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 21:30:30,780 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2021-06-06 21:30:30,780 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=142, Invalid=1340, Unknown=0, NotChecked=0, Total=1482 [2021-06-06 21:30:30,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:30:30,781 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 21:30:30,781 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 39 states, 39 states have (on average 1.7179487179487178) internal successors, (67), 38 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 21:30:30,781 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 21:30:30,781 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 21:30:30,781 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:30:30,781 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:30:30,781 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:30:30,781 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 21:30:30,781 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 21:30:30,781 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:30:32,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 21:30:32,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 21:30:32,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:30:32,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:30:32,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:30:32,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 21:30:32,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 21:30:32,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 21:30:32,413 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 21:30:32,413 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 21:30:32,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 21:30:32,413 INFO L82 PathProgramCache]: Analyzing trace with hash -1273687, now seen corresponding path program 7 times [2021-06-06 21:30:32,414 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 21:30:32,414 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090733696] [2021-06-06 21:30:32,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 21:30:32,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 21:30:33,411 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 3 proven. 47 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:30:33,412 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 21:30:33,412 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1090733696] [2021-06-06 21:30:33,412 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1090733696] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:30:33,412 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [843201772] [2021-06-06 21:30:33,412 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 21:30:33,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 21:30:33,473 INFO L263 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 77 conjunts are in the unsatisfiable core [2021-06-06 21:30:33,483 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 21:30:34,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:30:34,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:30:34,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:30:34,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:30:34,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:30:34,548 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:30:34,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:30:34,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:30:34,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:30:34,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:30:34,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:30:34,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:30:34,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:30:34,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:30:34,554 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:30:34,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:30:34,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:30:34,556 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:30:34,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:30:34,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:30:34,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:30:34,558 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:30:34,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:30:34,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:30:34,560 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:30:34,561 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 10 disjoint index pairs (out of 45 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 27 [2021-06-06 21:30:34,563 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 21:30:34,571 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:30:34,572 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 21:30:34,572 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:99, output treesize:17 [2021-06-06 21:30:34,717 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:30:34,718 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [843201772] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:30:34,718 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 21:30:34,718 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 24] total 44 [2021-06-06 21:30:34,720 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2045791216] [2021-06-06 21:30:34,720 INFO L462 AbstractCegarLoop]: Interpolant automaton has 45 states [2021-06-06 21:30:34,720 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 21:30:34,721 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2021-06-06 21:30:34,723 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=173, Invalid=1807, Unknown=0, NotChecked=0, Total=1980 [2021-06-06 21:30:34,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:30:34,723 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 21:30:34,724 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 45 states, 45 states have (on average 1.6666666666666667) internal successors, (75), 44 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 21:30:34,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 21:30:34,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 21:30:34,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:30:34,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:30:34,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:30:34,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 21:30:34,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 21:30:34,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 21:30:34,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:30:36,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 21:30:36,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 21:30:36,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:30:36,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:30:36,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:30:36,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 21:30:36,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 21:30:36,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 21:30:36,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:30:36,864 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable50 [2021-06-06 21:30:36,865 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 21:30:36,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 21:30:36,865 INFO L82 PathProgramCache]: Analyzing trace with hash 1273778185, now seen corresponding path program 8 times [2021-06-06 21:30:36,865 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 21:30:36,866 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2087246298] [2021-06-06 21:30:36,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 21:30:36,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 21:30:38,232 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 6 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:30:38,233 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 21:30:38,233 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2087246298] [2021-06-06 21:30:38,233 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2087246298] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:30:38,233 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1965841386] [2021-06-06 21:30:38,233 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 21:30:38,279 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 21:30:38,279 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 21:30:38,281 INFO L263 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 89 conjunts are in the unsatisfiable core [2021-06-06 21:30:38,282 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 21:30:39,745 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:30:39,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:30:39,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:30:39,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:30:39,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:30:39,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:30:39,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:30:39,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:30:39,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:30:39,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:30:39,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:30:39,753 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:30:39,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:30:39,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:30:39,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:30:39,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:30:39,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:30:39,757 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:30:39,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:30:39,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:30:39,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:30:39,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:30:39,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:30:39,762 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:30:39,762 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:30:39,805 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:30:39,805 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 10 disjoint index pairs (out of 66 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 92 treesize of output 134 [2021-06-06 21:30:40,997 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 231 [2021-06-06 21:30:41,109 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 231 [2021-06-06 21:30:41,258 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 231 [2021-06-06 21:30:41,346 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-06-06 21:30:41,539 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 23 [2021-06-06 21:30:41,539 INFO L628 ElimStorePlain]: treesize reduction 2548, result has 1.2 percent of original size [2021-06-06 21:30:41,545 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 21:30:41,545 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:106, output treesize:26 [2021-06-06 21:30:41,798 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:30:41,799 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1965841386] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:30:41,799 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 21:30:41,799 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 30] total 54 [2021-06-06 21:30:41,799 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677810640] [2021-06-06 21:30:41,799 INFO L462 AbstractCegarLoop]: Interpolant automaton has 55 states [2021-06-06 21:30:41,800 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 21:30:41,801 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2021-06-06 21:30:41,802 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=254, Invalid=2716, Unknown=0, NotChecked=0, Total=2970 [2021-06-06 21:30:41,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:30:41,802 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 21:30:41,803 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 55 states, 55 states have (on average 1.509090909090909) internal successors, (83), 54 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 21:30:41,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 21:30:41,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 21:30:41,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:30:41,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:30:41,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:30:41,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 21:30:41,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 21:30:41,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 21:30:41,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:30:41,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:30:43,522 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 71 [2021-06-06 21:30:44,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 21:30:44,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 21:30:44,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:30:44,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 21:30:44,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:30:44,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 21:30:44,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 21:30:44,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 21:30:44,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 21:30:44,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-06 21:30:44,352 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 21:30:44,352 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 21:30:44,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 21:30:44,353 INFO L82 PathProgramCache]: Analyzing trace with hash 391512041, now seen corresponding path program 9 times [2021-06-06 21:30:44,353 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 21:30:44,353 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [316521120] [2021-06-06 21:30:44,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 21:30:44,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 21:30:45,901 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 12 proven. 86 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:30:45,901 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 21:30:45,902 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [316521120] [2021-06-06 21:30:45,902 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [316521120] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:30:45,902 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [691495605] [2021-06-06 21:30:45,902 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 21:30:45,959 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2021-06-06 21:30:45,959 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 21:30:45,961 INFO L263 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 101 conjunts are in the unsatisfiable core [2021-06-06 21:30:45,962 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 21:30:48,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:30:48,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:30:48,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:30:48,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:30:48,070 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:30:48,071 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:30:48,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:30:48,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:30:48,073 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:30:48,629 WARN L205 SmtUtils]: Spent 553.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 188 [2021-06-06 21:30:48,629 INFO L354 Elim1Store]: treesize reduction 132, result has 76.8 percent of original size [2021-06-06 21:30:48,630 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 3 disjoint index pairs (out of 91 index pairs), introduced 11 new quantified variables, introduced 76 case distinctions, treesize of input 107 treesize of output 469 [2021-06-06 21:30:50,494 WARN L205 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 1719 DAG size of output: 1332 [2021-06-06 21:30:52,676 WARN L205 SmtUtils]: Spent 2.15 s on a formula simplification. DAG size of input: 1739 DAG size of output: 1352 [2021-06-06 21:30:56,583 WARN L205 SmtUtils]: Spent 3.90 s on a formula simplification. DAG size of input: 1284 DAG size of output: 1439 [2021-06-06 21:31:00,348 WARN L205 SmtUtils]: Spent 3.75 s on a formula simplification. DAG size of input: 1281 DAG size of output: 1469 [2021-06-06 21:31:04,131 WARN L205 SmtUtils]: Spent 3.77 s on a formula simplification. DAG size of input: 1278 DAG size of output: 1410 [2021-06-06 21:31:07,905 WARN L205 SmtUtils]: Spent 3.76 s on a formula simplification. DAG size of input: 1275 DAG size of output: 1403 [2021-06-06 21:31:09,596 WARN L205 SmtUtils]: Spent 1.68 s on a formula simplification. DAG size of input: 1270 DAG size of output: 1270 [2021-06-06 21:31:10,941 WARN L205 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 1148 DAG size of output: 1148 [2021-06-06 21:31:11,762 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 480 DAG size of output: 423 [2021-06-06 21:31:12,874 WARN L205 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 1071 DAG size of output: 1071 [2021-06-06 21:31:13,781 WARN L205 SmtUtils]: Spent 893.00 ms on a formula simplification. DAG size of input: 979 DAG size of output: 979 [2021-06-06 21:31:13,930 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 294 [2021-06-06 21:31:14,825 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 520 DAG size of output: 461 [2021-06-06 21:31:15,513 WARN L205 SmtUtils]: Spent 678.00 ms on a formula simplification. DAG size of input: 884 DAG size of output: 884 [2021-06-06 21:31:15,709 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 283 [2021-06-06 21:31:16,379 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 518 DAG size of output: 450 [2021-06-06 21:31:16,559 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 532 DAG size of output: 462 [2021-06-06 21:31:17,074 WARN L205 SmtUtils]: Spent 509.00 ms on a formula simplification. DAG size of input: 789 DAG size of output: 789 [2021-06-06 21:31:17,445 WARN L205 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 675 DAG size of output: 675 [2021-06-06 21:31:17,697 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 546 DAG size of output: 546 [2021-06-06 21:31:18,069 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 492 DAG size of output: 492 [2021-06-06 21:31:18,189 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 386 DAG size of output: 386 [2021-06-06 21:31:19,153 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 614 DAG size of output: 559 [2021-06-06 21:31:19,343 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 740 DAG size of output: 685 [2021-06-06 21:31:19,693 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 860 DAG size of output: 798 [2021-06-06 21:31:20,478 WARN L205 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 1077 DAG size of output: 975 [2021-06-06 21:31:21,052 WARN L205 SmtUtils]: Spent 568.00 ms on a formula simplification. DAG size of input: 1222 DAG size of output: 1110 [2021-06-06 21:31:21,182 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 268 [2021-06-06 21:31:21,943 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 509 DAG size of output: 432 [2021-06-06 21:31:22,828 WARN L205 SmtUtils]: Spent 881.00 ms on a formula simplification. DAG size of input: 1494 DAG size of output: 1327 [2021-06-06 21:31:23,471 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 470 DAG size of output: 417 [2021-06-06 21:31:23,605 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 494 DAG size of output: 441 [2021-06-06 21:31:24,838 WARN L205 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 1742 DAG size of output: 1542 [2021-06-06 21:31:26,525 WARN L205 SmtUtils]: Spent 1.68 s on a formula simplification. DAG size of input: 1957 DAG size of output: 1721 [2021-06-06 21:31:28,754 WARN L205 SmtUtils]: Spent 2.22 s on a formula simplification. DAG size of input: 2149 DAG size of output: 1892 [2021-06-06 21:31:28,873 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 281 [2021-06-06 21:31:29,508 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 481 DAG size of output: 438 [2021-06-06 21:31:32,261 WARN L205 SmtUtils]: Spent 2.75 s on a formula simplification. DAG size of input: 2341 DAG size of output: 2070 [2021-06-06 21:31:35,620 WARN L205 SmtUtils]: Spent 3.35 s on a formula simplification. DAG size of input: 2518 DAG size of output: 2224 [2021-06-06 21:31:35,890 WARN L205 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 345 DAG size of output: 356 [2021-06-06 21:31:35,997 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 339 DAG size of output: 339 [2021-06-06 21:31:37,191 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 629 DAG size of output: 526 [2021-06-06 21:31:37,451 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 656 DAG size of output: 551 [2021-06-06 21:31:37,877 WARN L205 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 693 DAG size of output: 585 [2021-06-06 21:31:42,220 WARN L205 SmtUtils]: Spent 4.34 s on a formula simplification. DAG size of input: 2841 DAG size of output: 2497 [2021-06-06 21:31:48,914 WARN L205 SmtUtils]: Spent 6.68 s on a formula simplification. DAG size of input: 3200 DAG size of output: 2852 [2021-06-06 21:31:58,212 WARN L205 SmtUtils]: Spent 9.28 s on a formula simplification. DAG size of input: 3552 DAG size of output: 3203 [2021-06-06 21:32:10,679 WARN L205 SmtUtils]: Spent 12.45 s on a formula simplification. DAG size of input: 3939 DAG size of output: 3574 [2021-06-06 21:32:26,419 WARN L205 SmtUtils]: Spent 15.72 s on a formula simplification. DAG size of input: 4327 DAG size of output: 3958 [2021-06-06 21:32:42,074 WARN L205 SmtUtils]: Spent 15.63 s on a formula simplification. DAG size of input: 4327 DAG size of output: 3958 [2021-06-06 21:32:58,561 WARN L205 SmtUtils]: Spent 16.44 s on a formula simplification. DAG size of input: 4335 DAG size of output: 3966 [2021-06-06 21:33:33,329 WARN L205 SmtUtils]: Spent 34.73 s on a formula simplification. DAG size of input: 3859 DAG size of output: 4319 [2021-06-06 21:33:47,573 WARN L205 SmtUtils]: Spent 14.21 s on a formula simplification. DAG size of input: 3852 DAG size of output: 3842 [2021-06-06 21:33:51,034 WARN L205 SmtUtils]: Spent 3.45 s on a formula simplification. DAG size of input: 1087 DAG size of output: 1310 [2021-06-06 21:33:54,487 WARN L205 SmtUtils]: Spent 3.44 s on a formula simplification. DAG size of input: 1084 DAG size of output: 1248 [2021-06-06 21:33:57,930 WARN L205 SmtUtils]: Spent 3.43 s on a formula simplification. DAG size of input: 1081 DAG size of output: 1225 [2021-06-06 21:33:59,459 WARN L205 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 1075 DAG size of output: 1075 [2021-06-06 21:34:00,678 WARN L205 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 961 DAG size of output: 961 [2021-06-06 21:34:00,789 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 257 [2021-06-06 21:34:01,455 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 578 DAG size of output: 506 [2021-06-06 21:34:01,678 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 682 DAG size of output: 592 [2021-06-06 21:34:01,929 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 787 DAG size of output: 691 [2021-06-06 21:34:02,917 WARN L205 SmtUtils]: Spent 981.00 ms on a formula simplification. DAG size of input: 889 DAG size of output: 889 [2021-06-06 21:34:03,359 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 242 [2021-06-06 21:34:03,471 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 241 [2021-06-06 21:34:03,590 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 223 [2021-06-06 21:34:04,284 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 791 DAG size of output: 750 [2021-06-06 21:34:04,483 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 886 DAG size of output: 846 [2021-06-06 21:34:04,771 WARN L205 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 977 DAG size of output: 937 [2021-06-06 21:34:05,157 WARN L205 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 1088 DAG size of output: 1049 [2021-06-06 21:34:05,667 WARN L205 SmtUtils]: Spent 504.00 ms on a formula simplification. DAG size of input: 1180 DAG size of output: 1141 [2021-06-06 21:34:06,320 WARN L205 SmtUtils]: Spent 646.00 ms on a formula simplification. DAG size of input: 1188 DAG size of output: 1149 [2021-06-06 21:34:07,123 WARN L205 SmtUtils]: Spent 796.00 ms on a formula simplification. DAG size of input: 1303 DAG size of output: 1265 [2021-06-06 21:34:08,430 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 1470 DAG size of output: 1435 [2021-06-06 21:34:09,232 WARN L205 SmtUtils]: Spent 793.00 ms on a formula simplification. DAG size of input: 799 DAG size of output: 799 [2021-06-06 21:34:09,835 WARN L205 SmtUtils]: Spent 597.00 ms on a formula simplification. DAG size of input: 710 DAG size of output: 710 [2021-06-06 21:34:09,972 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 270 [2021-06-06 21:34:10,728 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 522 DAG size of output: 445 [2021-06-06 21:34:10,907 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 582 DAG size of output: 499 [2021-06-06 21:34:11,142 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 699 DAG size of output: 607 [2021-06-06 21:34:11,590 WARN L205 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 619 DAG size of output: 619 [2021-06-06 21:34:11,898 WARN L205 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 513 DAG size of output: 513 [2021-06-06 21:34:12,102 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 397 DAG size of output: 397 [2021-06-06 21:34:12,248 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 350 DAG size of output: 350 [2021-06-06 21:34:13,603 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 537 DAG size of output: 493 [2021-06-06 21:34:13,869 WARN L205 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 824 DAG size of output: 737 [2021-06-06 21:34:14,337 WARN L205 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 952 DAG size of output: 856 [2021-06-06 21:34:14,470 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 252 [2021-06-06 21:34:14,579 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 250 [2021-06-06 21:34:15,311 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 736 DAG size of output: 694 [2021-06-06 21:34:15,575 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 844 DAG size of output: 799 [2021-06-06 21:34:15,873 WARN L205 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 861 DAG size of output: 816 [2021-06-06 21:34:16,299 WARN L205 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 976 DAG size of output: 931 [2021-06-06 21:34:17,165 WARN L205 SmtUtils]: Spent 860.00 ms on a formula simplification. DAG size of input: 1684 DAG size of output: 1542 [2021-06-06 21:34:17,290 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 261 [2021-06-06 21:34:17,867 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 499 DAG size of output: 437 [2021-06-06 21:34:18,004 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 565 DAG size of output: 495 [2021-06-06 21:34:18,200 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 687 DAG size of output: 613 [2021-06-06 21:34:19,493 WARN L205 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 2102 DAG size of output: 1912 [2021-06-06 21:34:21,336 WARN L205 SmtUtils]: Spent 1.83 s on a formula simplification. DAG size of input: 2386 DAG size of output: 2167 [2021-06-06 21:34:21,479 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 276 [2021-06-06 21:34:22,329 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 496 [2021-06-06 21:34:22,568 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 698 DAG size of output: 618 [2021-06-06 21:34:25,004 WARN L205 SmtUtils]: Spent 2.43 s on a formula simplification. DAG size of input: 2729 DAG size of output: 2474 [2021-06-06 21:34:28,920 WARN L205 SmtUtils]: Spent 3.90 s on a formula simplification. DAG size of input: 3544 DAG size of output: 3264 [2021-06-06 21:34:33,799 WARN L205 SmtUtils]: Spent 4.85 s on a formula simplification. DAG size of input: 3916 DAG size of output: 3592 [2021-06-06 21:34:34,056 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 341 [2021-06-06 21:34:35,144 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 642 DAG size of output: 540 [2021-06-06 21:34:35,350 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 738 DAG size of output: 628 [2021-06-06 21:34:35,599 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 820 DAG size of output: 688 [2021-06-06 21:34:36,000 WARN L205 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 917 DAG size of output: 762 [2021-06-06 21:34:36,517 WARN L205 SmtUtils]: Spent 512.00 ms on a formula simplification. DAG size of input: 1060 DAG size of output: 893 [2021-06-06 21:34:42,673 WARN L205 SmtUtils]: Spent 6.15 s on a formula simplification. DAG size of input: 4452 DAG size of output: 4055 [2021-06-06 21:34:51,203 WARN L205 SmtUtils]: Spent 8.51 s on a formula simplification. DAG size of input: 4938 DAG size of output: 4535 [2021-06-06 21:35:02,476 WARN L205 SmtUtils]: Spent 11.25 s on a formula simplification. DAG size of input: 5421 DAG size of output: 5004 [2021-06-06 21:35:16,971 WARN L205 SmtUtils]: Spent 14.47 s on a formula simplification. DAG size of input: 5848 DAG size of output: 5415 [2021-06-06 21:35:37,463 WARN L205 SmtUtils]: Spent 20.46 s on a formula simplification. DAG size of input: 3106 DAG size of output: 3708 [2021-06-06 21:35:56,471 WARN L205 SmtUtils]: Spent 18.98 s on a formula simplification. DAG size of input: 3101 DAG size of output: 3574 [2021-06-06 21:35:57,362 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 539 DAG size of output: 535 [2021-06-06 21:35:57,544 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 642 DAG size of output: 637 [2021-06-06 21:35:57,762 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 787 DAG size of output: 780 [2021-06-06 21:35:57,998 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 901 DAG size of output: 896 [2021-06-06 21:35:58,331 WARN L205 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 1008 DAG size of output: 1003 [2021-06-06 21:35:58,776 WARN L205 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 1105 DAG size of output: 1101 [2021-06-06 21:35:59,331 WARN L205 SmtUtils]: Spent 550.00 ms on a formula simplification. DAG size of input: 1228 DAG size of output: 1224 [2021-06-06 21:35:59,997 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 526 DAG size of output: 483 [2021-06-06 21:36:00,313 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 651 DAG size of output: 601 [2021-06-06 21:36:00,574 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 761 DAG size of output: 678 [2021-06-06 21:36:01,242 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 562 DAG size of output: 472 [2021-06-06 21:36:01,452 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 709 DAG size of output: 618 [2021-06-06 21:36:01,733 WARN L205 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 785 DAG size of output: 676 [2021-06-06 21:36:02,119 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 705 DAG size of output: 703 [2021-06-06 21:36:02,304 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 822 DAG size of output: 822 [2021-06-06 21:36:02,537 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 923 DAG size of output: 923 [2021-06-06 21:36:03,837 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 625 DAG size of output: 553 [2021-06-06 21:36:04,008 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 690 DAG size of output: 608 [2021-06-06 21:36:04,221 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 747 DAG size of output: 657 [2021-06-06 21:36:04,722 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 742 DAG size of output: 658 [2021-06-06 21:36:04,954 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 747 DAG size of output: 661 [2021-06-06 21:36:05,142 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 313 DAG size of output: 349 [2021-06-06 21:36:05,456 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 279 [2021-06-06 21:36:05,804 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 755 DAG size of output: 631 [2021-06-06 21:36:06,297 WARN L205 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 917 DAG size of output: 789 [2021-06-06 21:36:06,697 WARN L205 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 1046 DAG size of output: 888 [2021-06-06 21:36:07,271 WARN L205 SmtUtils]: Spent 569.00 ms on a formula simplification. DAG size of input: 1099 DAG size of output: 939 [2021-06-06 21:36:10,818 WARN L205 SmtUtils]: Spent 3.54 s on a formula simplification. DAG size of input: 1106 DAG size of output: 1328 [2021-06-06 21:36:12,410 WARN L205 SmtUtils]: Spent 1.58 s on a formula simplification. DAG size of input: 1101 DAG size of output: 1101 [2021-06-06 21:36:13,670 WARN L205 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 992 DAG size of output: 992 [2021-06-06 21:36:13,791 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 259 [2021-06-06 21:36:14,396 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 518 DAG size of output: 455 [2021-06-06 21:36:14,557 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 491 [2021-06-06 21:36:14,778 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 669 DAG size of output: 576 [2021-06-06 21:36:15,044 WARN L205 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 776 DAG size of output: 678 [2021-06-06 21:36:16,078 WARN L205 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 918 DAG size of output: 918 [2021-06-06 21:36:16,911 WARN L205 SmtUtils]: Spent 827.00 ms on a formula simplification. DAG size of input: 832 DAG size of output: 832 [2021-06-06 21:36:17,561 WARN L205 SmtUtils]: Spent 636.00 ms on a formula simplification. DAG size of input: 766 DAG size of output: 766 [2021-06-06 21:36:18,043 WARN L205 SmtUtils]: Spent 477.00 ms on a formula simplification. DAG size of input: 683 DAG size of output: 683 [2021-06-06 21:36:18,398 WARN L205 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 583 DAG size of output: 583 [2021-06-06 21:36:18,631 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 473 DAG size of output: 473 [2021-06-06 21:36:18,938 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 420 DAG size of output: 420 [2021-06-06 21:36:19,050 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 332 DAG size of output: 332 [2021-06-06 21:36:20,000 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 683 DAG size of output: 663 [2021-06-06 21:36:20,260 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 717 DAG size of output: 691 [2021-06-06 21:36:20,946 WARN L205 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 963 DAG size of output: 898 [2021-06-06 21:36:21,408 WARN L205 SmtUtils]: Spent 457.00 ms on a formula simplification. DAG size of input: 1117 DAG size of output: 1052 [2021-06-06 21:36:21,527 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 248 [2021-06-06 21:36:22,366 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 736 DAG size of output: 695 [2021-06-06 21:36:22,561 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 851 DAG size of output: 810 [2021-06-06 21:36:22,850 WARN L205 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 963 DAG size of output: 922 [2021-06-06 21:36:23,259 WARN L205 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 1075 DAG size of output: 1034 [2021-06-06 21:36:24,238 WARN L205 SmtUtils]: Spent 972.00 ms on a formula simplification. DAG size of input: 1941 DAG size of output: 1818 [2021-06-06 21:36:24,357 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 255 [2021-06-06 21:36:24,947 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 547 DAG size of output: 482 [2021-06-06 21:36:25,141 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 667 DAG size of output: 597 [2021-06-06 21:36:26,559 WARN L205 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 2338 DAG size of output: 2162 [2021-06-06 21:36:26,687 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 266 [2021-06-06 21:36:27,279 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 509 DAG size of output: 440 [2021-06-06 21:36:27,449 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 572 DAG size of output: 495 [2021-06-06 21:36:27,677 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 686 DAG size of output: 599 [2021-06-06 21:36:29,644 WARN L205 SmtUtils]: Spent 1.96 s on a formula simplification. DAG size of input: 2604 DAG size of output: 2402 [2021-06-06 21:36:29,781 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 271 [2021-06-06 21:36:30,558 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 579 DAG size of output: 499 [2021-06-06 21:36:30,791 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 708 DAG size of output: 612 [2021-06-06 21:36:33,415 WARN L205 SmtUtils]: Spent 2.62 s on a formula simplification. DAG size of input: 2848 DAG size of output: 2615 [2021-06-06 21:36:34,338 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 507 DAG size of output: 482 [2021-06-06 21:36:34,503 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 625 DAG size of output: 596 [2021-06-06 21:36:34,853 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 734 DAG size of output: 704 [2021-06-06 21:36:35,279 WARN L205 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 883 DAG size of output: 846 [2021-06-06 21:36:35,721 WARN L205 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 987 DAG size of output: 950 [2021-06-06 21:36:36,280 WARN L205 SmtUtils]: Spent 552.00 ms on a formula simplification. DAG size of input: 1086 DAG size of output: 1050 [2021-06-06 21:36:37,213 WARN L205 SmtUtils]: Spent 718.00 ms on a formula simplification. DAG size of input: 1294 DAG size of output: 1248 [2021-06-06 21:36:38,109 WARN L205 SmtUtils]: Spent 889.00 ms on a formula simplification. DAG size of input: 1339 DAG size of output: 1293 [2021-06-06 21:36:42,121 WARN L205 SmtUtils]: Spent 4.00 s on a formula simplification. DAG size of input: 3594 DAG size of output: 3342 [2021-06-06 21:36:47,057 WARN L205 SmtUtils]: Spent 4.92 s on a formula simplification. DAG size of input: 3958 DAG size of output: 3653 [2021-06-06 21:36:47,321 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 336 [2021-06-06 21:36:48,426 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 622 DAG size of output: 523 [2021-06-06 21:36:48,644 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 717 DAG size of output: 611 [2021-06-06 21:36:48,893 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 812 DAG size of output: 679 [2021-06-06 21:36:49,293 WARN L205 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 901 DAG size of output: 747 [2021-06-06 21:36:49,795 WARN L205 SmtUtils]: Spent 497.00 ms on a formula simplification. DAG size of input: 1044 DAG size of output: 875 [2021-06-06 21:36:56,076 WARN L205 SmtUtils]: Spent 6.27 s on a formula simplification. DAG size of input: 4484 DAG size of output: 4102 [2021-06-06 21:37:04,842 WARN L205 SmtUtils]: Spent 8.74 s on a formula simplification. DAG size of input: 4966 DAG size of output: 4573 [2021-06-06 21:37:05,136 WARN L205 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 428 DAG size of output: 446 [2021-06-06 21:37:06,886 WARN L205 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 1565 DAG size of output: 1410 [2021-06-06 21:37:07,108 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 459 DAG size of output: 450 [2021-06-06 21:37:07,242 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 271 [2021-06-06 21:37:08,020 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 579 DAG size of output: 499 [2021-06-06 21:37:08,246 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 708 DAG size of output: 612 [2021-06-06 21:37:08,480 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 410 DAG size of output: 425 [2021-06-06 21:37:09,195 WARN L205 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 1225 DAG size of output: 1107 [2021-06-06 21:37:09,910 WARN L205 SmtUtils]: Spent 709.00 ms on a formula simplification. DAG size of input: 1478 DAG size of output: 1349 [2021-06-06 21:37:10,231 WARN L205 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 439 DAG size of output: 456 [2021-06-06 21:37:11,266 WARN L205 SmtUtils]: Spent 543.00 ms on a formula simplification. DAG size of input: 1469 DAG size of output: 1334 [2021-06-06 21:37:11,680 WARN L205 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 427 DAG size of output: 454 [2021-06-06 21:37:11,839 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 414 DAG size of output: 405 [2021-06-06 21:37:12,041 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 380 DAG size of output: 387 [2021-06-06 21:37:12,733 WARN L205 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 1400 DAG size of output: 1328 [2021-06-06 21:37:13,040 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 705 DAG size of output: 703 [2021-06-06 21:37:13,272 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 822 DAG size of output: 822 [2021-06-06 21:37:13,971 WARN L205 SmtUtils]: Spent 694.00 ms on a formula simplification. DAG size of input: 1652 DAG size of output: 1571 [2021-06-06 21:37:15,036 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 1888 DAG size of output: 1804 Received shutdown request... [2021-06-06 21:44:48,501 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable204 [2021-06-06 21:44:48,501 WARN L547 AbstractCegarLoop]: Verification canceled [2021-06-06 21:44:48,503 INFO L301 ceAbstractionStarter]: Result for error location ULTIMATE.start was TIMEOUT (5/5) [2021-06-06 21:44:48,512 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-06 21:44:48,513 WARN L196 ceAbstractionStarter]: Timeout [2021-06-06 21:44:48,514 INFO L202 PluginConnector]: Adding new model parallel-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.06 09:44:48 BasicIcfg [2021-06-06 21:44:48,514 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-06 21:44:48,514 INFO L168 Benchmark]: Toolchain (without parser) took 868895.21 ms. Allocated memory was 394.3 MB in the beginning and 1.3 GB in the end (delta: 910.2 MB). Free memory was 373.6 MB in the beginning and 580.4 MB in the end (delta: -206.8 MB). Peak memory consumption was 815.7 MB. Max. memory is 16.0 GB. [2021-06-06 21:44:48,514 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.13 ms. Allocated memory is still 394.3 MB. Free memory is still 374.8 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-06-06 21:44:48,514 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.91 ms. Allocated memory is still 394.3 MB. Free memory was 373.5 MB in the beginning and 372.0 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-06 21:44:48,514 INFO L168 Benchmark]: Boogie Preprocessor took 28.65 ms. Allocated memory is still 394.3 MB. Free memory was 372.0 MB in the beginning and 371.0 MB in the end (delta: 1.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. [2021-06-06 21:44:48,514 INFO L168 Benchmark]: RCFGBuilder took 408.20 ms. Allocated memory is still 394.3 MB. Free memory was 370.9 MB in the beginning and 354.3 MB in the end (delta: 16.6 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.0 GB. [2021-06-06 21:44:48,514 INFO L168 Benchmark]: TraceAbstraction took 868426.11 ms. Allocated memory was 394.3 MB in the beginning and 1.3 GB in the end (delta: 910.2 MB). Free memory was 353.9 MB in the beginning and 580.4 MB in the end (delta: -226.5 MB). Peak memory consumption was 794.8 MB. Max. memory is 16.0 GB. [2021-06-06 21:44:48,515 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 0.13 ms. Allocated memory is still 394.3 MB. Free memory is still 374.8 MB. There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 26.91 ms. Allocated memory is still 394.3 MB. Free memory was 373.5 MB in the beginning and 372.0 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Preprocessor took 28.65 ms. Allocated memory is still 394.3 MB. Free memory was 372.0 MB in the beginning and 371.0 MB in the end (delta: 1.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. * RCFGBuilder took 408.20 ms. Allocated memory is still 394.3 MB. Free memory was 370.9 MB in the beginning and 354.3 MB in the end (delta: 16.6 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.0 GB. * TraceAbstraction took 868426.11 ms. Allocated memory was 394.3 MB in the beginning and 1.3 GB in the end (delta: 910.2 MB). Free memory was 353.9 MB in the beginning and 580.4 MB in the end (delta: -226.5 MB). Peak memory consumption was 794.8 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2007, positive: 1723, positive conditional: 1723, positive unconditional: 0, negative: 284, negative conditional: 284, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 1737, positive: 1723, positive conditional: 1723, positive unconditional: 0, negative: 14, negative conditional: 14, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 1737, positive: 1723, positive conditional: 0, positive unconditional: 1723, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 327, positive: 324, positive conditional: 0, positive unconditional: 324, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 327, positive: 324, positive conditional: 0, positive unconditional: 324, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 75, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 75, negative conditional: 0, negative unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1737, positive: 1399, positive conditional: 0, positive unconditional: 1399, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 327, unknown conditional: 0, unknown unconditional: 327] , Statistics on independence cache: Total cache size (in pairs): 327, Positive cache size: 324, Positive conditional cache size: 0, Positive unconditional cache size: 324, Negative cache size: 3, Negative conditional cache size: 0, Negative unconditional cache size: 3 ], Maximal queried relation: 0, Independence queries for same thread: 270 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2007, positive: 1723, positive conditional: 1723, positive unconditional: 0, negative: 284, negative conditional: 284, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 1737, positive: 1723, positive conditional: 1723, positive unconditional: 0, negative: 14, negative conditional: 14, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 1737, positive: 1723, positive conditional: 0, positive unconditional: 1723, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 327, positive: 324, positive conditional: 0, positive unconditional: 324, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 327, positive: 324, positive conditional: 0, positive unconditional: 324, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 64, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 64, negative conditional: 0, negative unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1737, positive: 1399, positive conditional: 0, positive unconditional: 1399, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 327, unknown conditional: 0, unknown unconditional: 327] , Statistics on independence cache: Total cache size (in pairs): 327, Positive cache size: 324, Positive conditional cache size: 0, Positive unconditional cache size: 324, Negative cache size: 3, Negative conditional cache size: 0, Negative unconditional cache size: 3 ], Maximal queried relation: 0, Independence queries for same thread: 270 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2007, positive: 1723, positive conditional: 1723, positive unconditional: 0, negative: 284, negative conditional: 284, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 1737, positive: 1723, positive conditional: 1723, positive unconditional: 0, negative: 14, negative conditional: 14, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 1737, positive: 1723, positive conditional: 0, positive unconditional: 1723, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 327, positive: 324, positive conditional: 0, positive unconditional: 324, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 327, positive: 324, positive conditional: 0, positive unconditional: 324, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 49, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 49, negative conditional: 0, negative unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1737, positive: 1399, positive conditional: 0, positive unconditional: 1399, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 327, unknown conditional: 0, unknown unconditional: 327] , Statistics on independence cache: Total cache size (in pairs): 327, Positive cache size: 324, Positive conditional cache size: 0, Positive unconditional cache size: 324, Negative cache size: 3, Negative conditional cache size: 0, Negative unconditional cache size: 3 ], Maximal queried relation: 0, Independence queries for same thread: 270 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2007, positive: 1723, positive conditional: 1723, positive unconditional: 0, negative: 284, negative conditional: 284, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 1737, positive: 1723, positive conditional: 1723, positive unconditional: 0, negative: 14, negative conditional: 14, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 1737, positive: 1723, positive conditional: 0, positive unconditional: 1723, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 327, positive: 324, positive conditional: 0, positive unconditional: 324, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 327, positive: 324, positive conditional: 0, positive unconditional: 324, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 38, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 38, negative conditional: 0, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1737, positive: 1399, positive conditional: 0, positive unconditional: 1399, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 327, unknown conditional: 0, unknown unconditional: 327] , Statistics on independence cache: Total cache size (in pairs): 327, Positive cache size: 324, Positive conditional cache size: 0, Positive unconditional cache size: 324, Negative cache size: 3, Negative conditional cache size: 0, Negative unconditional cache size: 3 ], Maximal queried relation: 0, Independence queries for same thread: 270 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2906, positive: 2275, positive conditional: 2275, positive unconditional: 0, negative: 631, negative conditional: 631, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 2286, positive: 2275, positive conditional: 2275, positive unconditional: 0, negative: 11, negative conditional: 11, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 2286, positive: 2275, positive conditional: 0, positive unconditional: 2275, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 94, positive: 93, positive conditional: 0, positive unconditional: 93, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 94, positive: 93, positive conditional: 0, positive unconditional: 93, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 10, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 10, negative conditional: 9, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 60, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 60, negative conditional: 36, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2286, positive: 2182, positive conditional: 0, positive unconditional: 2182, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 94, unknown conditional: 0, unknown unconditional: 94] , Statistics on independence cache: Total cache size (in pairs): 103, Positive cache size: 93, Positive conditional cache size: 0, Positive unconditional cache size: 93, Negative cache size: 10, Negative conditional cache size: 9, Negative unconditional cache size: 1, SemanticConditionEliminator.Independence Queries: [ total: 55, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 55, negative conditional: 45, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 55, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 55, negative conditional: 45, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 10, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 10, negative conditional: 9, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 60, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 60, negative conditional: 36, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 55, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 46, negative conditional: 36, negative unconditional: 10, unknown: 9, unknown conditional: 9, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 103, Positive cache size: 93, Positive conditional cache size: 0, Positive unconditional cache size: 93, Negative cache size: 10, Negative conditional cache size: 9, Negative unconditional cache size: 1, Eliminated conditions: 10, SemanticConditionEliminator.Independence Queries: [ total: 55, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 55, negative conditional: 45, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 55, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 55, negative conditional: 45, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 10, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 10, negative conditional: 9, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 60, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 60, negative conditional: 36, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 55, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 46, negative conditional: 36, negative unconditional: 10, unknown: 9, unknown conditional: 9, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 103, Positive cache size: 93, Positive conditional cache size: 0, Positive unconditional cache size: 93, Negative cache size: 10, Negative conditional cache size: 9, Negative unconditional cache size: 1, Eliminated conditions: 10, SemanticConditionEliminator.Independence Queries: [ total: 55, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 55, negative conditional: 45, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 55, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 55, negative conditional: 45, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 10, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 10, negative conditional: 9, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 60, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 60, negative conditional: 36, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 55, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 46, negative conditional: 36, negative unconditional: 10, unknown: 9, unknown conditional: 9, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 103, Positive cache size: 93, Positive conditional cache size: 0, Positive unconditional cache size: 93, Negative cache size: 10, Negative conditional cache size: 9, Negative unconditional cache size: 1, Eliminated conditions: 10, SemanticConditionEliminator.Independence Queries: [ total: 55, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 55, negative conditional: 45, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 55, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 55, negative conditional: 45, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 10, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 10, negative conditional: 9, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 60, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 60, negative conditional: 36, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 55, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 46, negative conditional: 36, negative unconditional: 10, unknown: 9, unknown conditional: 9, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 103, Positive cache size: 93, Positive conditional cache size: 0, Positive unconditional cache size: 93, Negative cache size: 10, Negative conditional cache size: 9, Negative unconditional cache size: 1, Eliminated conditions: 10, SemanticConditionEliminator.Independence Queries: [ total: 55, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 55, negative conditional: 45, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 55, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 55, negative conditional: 45, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 10, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 10, negative conditional: 9, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 60, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 60, negative conditional: 36, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 55, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 46, negative conditional: 36, negative unconditional: 10, unknown: 9, unknown conditional: 9, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 103, Positive cache size: 93, Positive conditional cache size: 0, Positive unconditional cache size: 93, Negative cache size: 10, Negative conditional cache size: 9, Negative unconditional cache size: 1, Eliminated conditions: 10, SemanticConditionEliminator.Independence Queries: [ total: 55, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 55, negative conditional: 45, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 55, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 55, negative conditional: 45, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 10, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 10, negative conditional: 9, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 60, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 60, negative conditional: 36, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 55, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 46, negative conditional: 36, negative unconditional: 10, unknown: 9, unknown conditional: 9, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 103, Positive cache size: 93, Positive conditional cache size: 0, Positive unconditional cache size: 93, Negative cache size: 10, Negative conditional cache size: 9, Negative unconditional cache size: 1, Eliminated conditions: 10, SemanticConditionEliminator.Independence Queries: [ total: 55, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 55, negative conditional: 45, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 55, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 55, negative conditional: 45, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 10, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 10, negative conditional: 9, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 60, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 60, negative conditional: 36, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 55, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 46, negative conditional: 36, negative unconditional: 10, unknown: 9, unknown conditional: 9, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 103, Positive cache size: 93, Positive conditional cache size: 0, Positive unconditional cache size: 93, Negative cache size: 10, Negative conditional cache size: 9, Negative unconditional cache size: 1, Eliminated conditions: 10, SemanticConditionEliminator.Independence Queries: [ total: 55, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 55, negative conditional: 45, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 55, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 55, negative conditional: 45, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 10, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 10, negative conditional: 9, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 60, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 60, negative conditional: 36, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 55, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 46, negative conditional: 36, negative unconditional: 10, unknown: 9, unknown conditional: 9, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 103, Positive cache size: 93, Positive conditional cache size: 0, Positive unconditional cache size: 93, Negative cache size: 10, Negative conditional cache size: 9, Negative unconditional cache size: 1, Eliminated conditions: 10, SemanticConditionEliminator.Independence Queries: [ total: 55, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 55, negative conditional: 45, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 55, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 55, negative conditional: 45, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 10, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 10, negative conditional: 9, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 60, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 60, negative conditional: 36, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 55, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 46, negative conditional: 36, negative unconditional: 10, unknown: 9, unknown conditional: 9, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 103, Positive cache size: 93, Positive conditional cache size: 0, Positive unconditional cache size: 93, Negative cache size: 10, Negative conditional cache size: 9, Negative unconditional cache size: 1, Eliminated conditions: 10, SemanticConditionEliminator.Independence Queries: [ total: 55, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 55, negative conditional: 45, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 55, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 55, negative conditional: 45, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 10, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 10, negative conditional: 9, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 60, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 60, negative conditional: 36, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 55, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 46, negative conditional: 36, negative unconditional: 10, unknown: 9, unknown conditional: 9, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 103, Positive cache size: 93, Positive conditional cache size: 0, Positive unconditional cache size: 93, Negative cache size: 10, Negative conditional cache size: 9, Negative unconditional cache size: 1, Eliminated conditions: 10 ], Maximal queried relation: 10, Independence queries for same thread: 620 - TimeoutResultAtElement [Line: 107]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 54 with TraceHistMax 7,while TraceCheckSpWp was constructing forward predicates,while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations,while ExplicitLhsPolynomialRelations was build 0 of 1 xjuncts. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: thread4Thread1of1ForFork4 with 1 thread instances CFG has 13 procedures, 76 locations, 11 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 261.3ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 15.4ms, PartialOrderReductionTime: 206.9ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: thread1 with 1 thread instances CFG has 13 procedures, 76 locations, 11 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 111.6ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1.8ms, PartialOrderReductionTime: 100.1ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: thread1Thread1of1ForFork1 with 1 thread instances CFG has 13 procedures, 76 locations, 11 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 96.5ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1.7ms, PartialOrderReductionTime: 84.1ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: thread4 with 1 thread instances CFG has 13 procedures, 76 locations, 11 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 83.9ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1.5ms, PartialOrderReductionTime: 68.1ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 13 procedures, 76 locations, 11 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 867648.6ms, OverallIterations: 11, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1.3ms, PartialOrderReductionTime: 7742.5ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 148, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 99.8ms SsaConstructionTime, 365.1ms SatisfiabilityAnalysisTime, 12992.0ms InterpolantComputationTime, 679 NumberOfCodeBlocks, 679 NumberOfCodeBlocksAsserted, 30 NumberOfCheckSat, 660 ConstructedInterpolants, 52 QuantifiedInterpolants, 15196 SizeOfPredicates, 101 NumberOfNonLiveVariables, 1383 ConjunctsInSsa, 374 ConjunctsInUnsatCore, 19 InterpolantComputations, 1 PerfectInterpolantSequences, 17/402 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