/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistent-NoLbe-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/parallel-sum-1-dsl.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-a47a088281b0b97d17910950432b7c5b5bc3adeb-a47a088 [2021-07-14 13:17:37,149 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-14 13:17:37,150 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-14 13:17:37,179 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-07-14 13:17:37,179 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-07-14 13:17:37,182 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-07-14 13:17:37,183 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-07-14 13:17:37,187 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-07-14 13:17:37,189 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-07-14 13:17:37,192 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-07-14 13:17:37,193 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-07-14 13:17:37,194 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-07-14 13:17:37,194 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-14 13:17:37,195 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-14 13:17:37,196 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-14 13:17:37,197 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-14 13:17:37,199 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-14 13:17:37,200 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-14 13:17:37,201 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-14 13:17:37,205 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-14 13:17:37,206 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-14 13:17:37,207 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-14 13:17:37,209 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-14 13:17:37,211 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-14 13:17:37,215 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-07-14 13:17:37,215 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-07-14 13:17:37,216 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-07-14 13:17:37,217 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-07-14 13:17:37,217 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-07-14 13:17:37,218 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... 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[2021-07-14 13:17:37,221 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-14 13:17:37,222 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-14 13:17:37,222 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-14 13:17:37,225 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-NewStatesSleepPersistent-NoLbe-Lockstep.epf [2021-07-14 13:17:37,253 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-14 13:17:37,254 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-14 13:17:37,254 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-14 13:17:37,254 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-14 13:17:37,256 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-14 13:17:37,257 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-14 13:17:37,257 INFO L138 SettingsManager]: * Use SBE=true [2021-07-14 13:17:37,257 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-14 13:17:37,257 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-14 13:17:37,258 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-14 13:17:37,258 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-14 13:17:37,258 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-14 13:17:37,259 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-14 13:17:37,259 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-14 13:17:37,259 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-14 13:17:37,259 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-14 13:17:37,259 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-14 13:17:37,259 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-14 13:17:37,260 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-14 13:17:37,260 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-14 13:17:37,260 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-14 13:17:37,260 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-14 13:17:37,260 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-14 13:17:37,260 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 13:17:37,261 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-14 13:17:37,261 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-14 13:17:37,261 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-14 13:17:37,261 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-14 13:17:37,261 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-07-14 13:17:37,261 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-14 13:17:37,262 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-14 13:17:37,262 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-14 13:17:37,262 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-14 13:17:37,262 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES [2021-07-14 13:17:37,262 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-14 13:17:37,531 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-14 13:17:37,551 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-14 13:17:37,554 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-14 13:17:37,555 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-14 13:17:37,556 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-14 13:17:37,557 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/parallel-sum-1-dsl.wvr.bpl [2021-07-14 13:17:37,557 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/parallel-sum-1-dsl.wvr.bpl' [2021-07-14 13:17:37,594 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-14 13:17:37,596 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-14 13:17:37,601 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-14 13:17:37,601 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-14 13:17:37,601 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-14 13:17:37,614 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "parallel-sum-1-dsl.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 01:17:37" (1/1) ... [2021-07-14 13:17:37,621 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "parallel-sum-1-dsl.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 01:17:37" (1/1) ... [2021-07-14 13:17:37,627 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-14 13:17:37,628 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-14 13:17:37,628 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-14 13:17:37,628 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-14 13:17:37,633 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "parallel-sum-1-dsl.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 01:17:37" (1/1) ... [2021-07-14 13:17:37,633 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "parallel-sum-1-dsl.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 01:17:37" (1/1) ... [2021-07-14 13:17:37,636 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "parallel-sum-1-dsl.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 01:17:37" (1/1) ... [2021-07-14 13:17:37,636 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "parallel-sum-1-dsl.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 01:17:37" (1/1) ... [2021-07-14 13:17:37,642 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "parallel-sum-1-dsl.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 01:17:37" (1/1) ... [2021-07-14 13:17:37,646 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "parallel-sum-1-dsl.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 01:17:37" (1/1) ... [2021-07-14 13:17:37,646 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "parallel-sum-1-dsl.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 01:17:37" (1/1) ... [2021-07-14 13:17:37,652 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-14 13:17:37,653 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-14 13:17:37,653 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-14 13:17:37,654 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-14 13:17:37,655 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "parallel-sum-1-dsl.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 01:17:37" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 13:17:37,724 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-14 13:17:37,725 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-14 13:17:37,725 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-14 13:17:37,725 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-14 13:17:37,725 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-14 13:17:37,725 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-14 13:17:37,725 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-14 13:17:37,725 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-14 13:17:37,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-14 13:17:37,726 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-07-14 13:17:37,726 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-07-14 13:17:37,726 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-07-14 13:17:37,726 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2021-07-14 13:17:37,726 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-07-14 13:17:37,726 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-07-14 13:17:37,726 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread5 given in one single declaration [2021-07-14 13:17:37,727 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2021-07-14 13:17:37,727 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2021-07-14 13:17:37,727 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread6 given in one single declaration [2021-07-14 13:17:37,727 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2021-07-14 13:17:37,728 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2021-07-14 13:17:37,729 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-14 13:17:37,977 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-14 13:17:37,977 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-07-14 13:17:37,978 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread2EXIT is neither atomic block end nor error location. [2021-07-14 13:17:37,978 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread3EXIT is neither atomic block end nor error location. [2021-07-14 13:17:37,978 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread5EXIT is neither atomic block end nor error location. [2021-07-14 13:17:37,978 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread6EXIT is neither atomic block end nor error location. [2021-07-14 13:17:37,980 INFO L202 PluginConnector]: Adding new model parallel-sum-1-dsl.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 01:17:37 BoogieIcfgContainer [2021-07-14 13:17:37,980 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-14 13:17:37,981 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-14 13:17:37,981 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-14 13:17:37,983 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-14 13:17:37,983 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "parallel-sum-1-dsl.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 01:17:37" (1/2) ... [2021-07-14 13:17:37,984 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bffd4c3 and model type parallel-sum-1-dsl.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 01:17:37, skipping insertion in model container [2021-07-14 13:17:37,984 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "parallel-sum-1-dsl.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 01:17:37" (2/2) ... [2021-07-14 13:17:37,985 INFO L111 eAbstractionObserver]: Analyzing ICFG parallel-sum-1-dsl.wvr.bpl [2021-07-14 13:17:37,989 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-14 13:17:37,989 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-14 13:17:37,990 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-14 13:17:37,990 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-14 13:17:38,105 INFO L149 ThreadInstanceAdder]: Constructed 18 joinOtherThreadTransitions. [2021-07-14 13:17:38,123 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 [2021-07-14 13:17:38,166 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-14 13:17:38,166 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-14 13:17:38,167 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-14 13:17:38,167 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-14 13:17:38,167 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-14 13:17:38,167 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-14 13:17:38,167 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-14 13:17:38,167 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == thread4Thread1of1ForFork1======== [2021-07-14 13:17:38,309 INFO L301 ceAbstractionStarter]: Result for error location thread4Thread1of1ForFork1 was SAFE (1/3) [2021-07-14 13:17:38,310 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 [2021-07-14 13:17:38,318 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-14 13:17:38,318 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-14 13:17:38,319 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-14 13:17:38,319 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-14 13:17:38,319 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-14 13:17:38,319 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-14 13:17:38,319 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-14 13:17:38,319 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == thread1Thread1of1ForFork0======== [2021-07-14 13:17:38,384 INFO L301 ceAbstractionStarter]: Result for error location thread1Thread1of1ForFork0 was SAFE (2/3) [2021-07-14 13:17:38,385 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 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-07-14 13:17:38,391 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-14 13:17:38,392 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-14 13:17:38,392 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-14 13:17:38,392 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-14 13:17:38,392 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-14 13:17:38,392 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-14 13:17:38,392 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-14 13:17:38,392 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-14 13:17:38,491 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr9INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:17:38,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:17:38,497 INFO L82 PathProgramCache]: Analyzing trace with hash 1082975750, now seen corresponding path program 1 times [2021-07-14 13:17:38,503 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:17:38,503 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1556771135] [2021-07-14 13:17:38,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:17:38,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:17:38,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:17:38,670 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:17:38,670 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1556771135] [2021-07-14 13:17:38,673 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1556771135] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 13:17:38,673 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 13:17:38,673 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-07-14 13:17:38,674 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466557407] [2021-07-14 13:17:38,677 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-07-14 13:17:38,677 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:17:38,685 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-07-14 13:17:38,687 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-07-14 13:17:38,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:17:38,688 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:17:38,689 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 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) [2021-07-14 13:17:38,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:17:38,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:17:38,731 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-14 13:17:38,731 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr9INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:17:38,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:17:38,732 INFO L82 PathProgramCache]: Analyzing trace with hash -386937371, now seen corresponding path program 1 times [2021-07-14 13:17:38,732 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:17:38,732 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1351042784] [2021-07-14 13:17:38,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:17:38,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:17:38,776 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:17:38,776 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:17:38,776 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1351042784] [2021-07-14 13:17:38,777 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1351042784] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 13:17:38,777 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 13:17:38,777 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-14 13:17:38,777 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104774407] [2021-07-14 13:17:38,778 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-14 13:17:38,778 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:17:38,779 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-14 13:17:38,779 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-14 13:17:38,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:17:38,780 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:17:38,780 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 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) [2021-07-14 13:17:38,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:17:38,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:17:38,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:17:38,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:17:38,813 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-14 13:17:38,813 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr9INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:17:38,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:17:38,814 INFO L82 PathProgramCache]: Analyzing trace with hash -1387626329, now seen corresponding path program 1 times [2021-07-14 13:17:38,814 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:17:38,815 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [355583204] [2021-07-14 13:17:38,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:17:38,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:17:38,866 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:17:38,867 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:17:38,867 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [355583204] [2021-07-14 13:17:38,867 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [355583204] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 13:17:38,867 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 13:17:38,867 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-07-14 13:17:38,867 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1106074052] [2021-07-14 13:17:38,867 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-14 13:17:38,868 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:17:38,868 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-14 13:17:38,868 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-07-14 13:17:38,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:17:38,868 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:17:38,868 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 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) [2021-07-14 13:17:38,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:17:38,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:17:38,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:17:39,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:17:39,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:17:39,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:17:39,017 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-07-14 13:17:39,018 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr9INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:17:39,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:17:39,018 INFO L82 PathProgramCache]: Analyzing trace with hash 1215630629, now seen corresponding path program 1 times [2021-07-14 13:17:39,018 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:17:39,018 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2090659137] [2021-07-14 13:17:39,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:17:39,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:17:39,032 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:17:39,032 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:17:39,032 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2090659137] [2021-07-14 13:17:39,032 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2090659137] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 13:17:39,032 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 13:17:39,032 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-14 13:17:39,032 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [345353646] [2021-07-14 13:17:39,033 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-14 13:17:39,033 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:17:39,033 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-14 13:17:39,033 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-14 13:17:39,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:17:39,033 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:17:39,033 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 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) [2021-07-14 13:17:39,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:17:39,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:17:39,034 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 13:17:39,034 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:17:39,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:17:39,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:17:39,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:17:39,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:17:39,072 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-07-14 13:17:39,072 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr9INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:17:39,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:17:39,072 INFO L82 PathProgramCache]: Analyzing trace with hash 217785959, now seen corresponding path program 1 times [2021-07-14 13:17:39,072 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:17:39,073 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [663499696] [2021-07-14 13:17:39,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:17:39,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:17:39,095 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:17:39,096 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:17:39,096 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [663499696] [2021-07-14 13:17:39,096 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [663499696] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:17:39,096 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1900225817] [2021-07-14 13:17:39,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 13:17:39,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:17:39,151 INFO L263 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 4 conjunts are in the unsatisfiable core [2021-07-14 13:17:39,154 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 13:17:39,251 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:17:39,251 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1900225817] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:17:39,251 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 13:17:39,251 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-07-14 13:17:39,251 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [867616372] [2021-07-14 13:17:39,252 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-14 13:17:39,252 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:17:39,252 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-14 13:17:39,252 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-07-14 13:17:39,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:17:39,252 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:17:39,252 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 7 states have internal predecessors, (36), 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) [2021-07-14 13:17:39,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:17:39,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:17:39,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:17:39,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:17:39,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:17:39,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:17:39,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:17:39,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:17:39,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:17:39,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:17:39,549 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 13:17:39,549 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr9INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:17:39,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:17:39,549 INFO L82 PathProgramCache]: Analyzing trace with hash 388639944, now seen corresponding path program 1 times [2021-07-14 13:17:39,550 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:17:39,550 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [81875385] [2021-07-14 13:17:39,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:17:39,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:17:39,690 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:17:39,691 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:17:39,691 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [81875385] [2021-07-14 13:17:39,691 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [81875385] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:17:39,691 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1580755908] [2021-07-14 13:17:39,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 13:17:39,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:17:39,761 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 21 conjunts are in the unsatisfiable core [2021-07-14 13:17:39,762 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 13:17:39,997 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:17:40,004 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 10 [2021-07-14 13:17:40,006 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 13:17:40,013 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:17:40,014 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 13:17:40,014 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:25, output treesize:10 [2021-07-14 13:17:40,051 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:17:40,051 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1580755908] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:17:40,051 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 13:17:40,051 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 13 [2021-07-14 13:17:40,051 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [272428826] [2021-07-14 13:17:40,051 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-07-14 13:17:40,052 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:17:40,052 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-07-14 13:17:40,052 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2021-07-14 13:17:40,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:17:40,052 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:17:40,052 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 3.0) internal successors, (39), 13 states have internal predecessors, (39), 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) [2021-07-14 13:17:40,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:17:40,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:17:40,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:17:40,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:17:40,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:17:40,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:17:40,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:17:40,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:17:40,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:17:40,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:17:40,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:17:40,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:17:40,506 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-07-14 13:17:40,507 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr9INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:17:40,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:17:40,507 INFO L82 PathProgramCache]: Analyzing trace with hash 1370562281, now seen corresponding path program 2 times [2021-07-14 13:17:40,507 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:17:40,507 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [327233070] [2021-07-14 13:17:40,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:17:40,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:17:40,561 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:17:40,561 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:17:40,561 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [327233070] [2021-07-14 13:17:40,561 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [327233070] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:17:40,561 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1463653855] [2021-07-14 13:17:40,561 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 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 [2021-07-14 13:17:40,617 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 13:17:40,617 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 13:17:40,618 INFO L263 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 6 conjunts are in the unsatisfiable core [2021-07-14 13:17:40,620 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 13:17:40,710 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:17:40,711 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1463653855] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:17:40,711 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 13:17:40,711 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2021-07-14 13:17:40,711 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558275654] [2021-07-14 13:17:40,711 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-07-14 13:17:40,711 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:17:40,712 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-07-14 13:17:40,712 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2021-07-14 13:17:40,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:17:40,712 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:17:40,712 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 3.8181818181818183) internal successors, (42), 11 states have internal predecessors, (42), 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) [2021-07-14 13:17:40,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:17:40,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:17:40,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:17:40,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:17:40,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:17:40,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:17:40,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:17:40,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:17:40,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:17:40,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:17:40,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:17:40,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:17:40,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:17:40,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 13:17:41,088 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 13:17:41,089 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr9INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:17:41,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:17:41,089 INFO L82 PathProgramCache]: Analyzing trace with hash -1328296664, now seen corresponding path program 1 times [2021-07-14 13:17:41,090 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:17:41,090 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1801493145] [2021-07-14 13:17:41,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:17:41,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:17:41,203 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:17:41,204 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:17:41,204 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1801493145] [2021-07-14 13:17:41,204 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1801493145] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:17:41,204 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [450588206] [2021-07-14 13:17:41,204 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 [2021-07-14 13:17:41,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:17:41,243 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 21 conjunts are in the unsatisfiable core [2021-07-14 13:17:41,244 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 13:17:41,396 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:17:41,399 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 10 [2021-07-14 13:17:41,401 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 13:17:41,406 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:17:41,408 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 13:17:41,408 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:25, output treesize:10 [2021-07-14 13:17:41,439 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:17:41,439 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [450588206] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:17:41,440 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 13:17:41,440 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 13 [2021-07-14 13:17:41,440 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415451592] [2021-07-14 13:17:41,440 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-07-14 13:17:41,440 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:17:41,440 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-07-14 13:17:41,441 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2021-07-14 13:17:41,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:17:41,441 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:17:41,441 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 3.0) internal successors, (39), 13 states have internal predecessors, (39), 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) [2021-07-14 13:17:41,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:17:41,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:17:41,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:17:41,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:17:41,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:17:41,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:17:41,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 13:17:41,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:17:41,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:17:41,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:17:41,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:17:41,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:17:41,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:17:41,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:17:41,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:17:41,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:17:41,936 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 13:17:41,937 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr9INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:17:41,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:17:41,938 INFO L82 PathProgramCache]: Analyzing trace with hash -2016455511, now seen corresponding path program 3 times [2021-07-14 13:17:41,938 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:17:41,938 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1572466393] [2021-07-14 13:17:41,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:17:41,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:17:41,967 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:17:41,968 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:17:41,968 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1572466393] [2021-07-14 13:17:41,968 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1572466393] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:17:41,968 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [232757785] [2021-07-14 13:17:41,968 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 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 [2021-07-14 13:17:42,022 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-07-14 13:17:42,022 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 13:17:42,023 INFO L263 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 6 conjunts are in the unsatisfiable core [2021-07-14 13:17:42,023 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 13:17:42,089 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:17:42,089 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [232757785] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:17:42,089 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 13:17:42,090 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2021-07-14 13:17:42,090 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1929494353] [2021-07-14 13:17:42,090 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-07-14 13:17:42,090 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:17:42,090 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-07-14 13:17:42,090 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2021-07-14 13:17:42,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:17:42,091 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:17:42,091 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 4.0) internal successors, (44), 11 states have internal predecessors, (44), 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) [2021-07-14 13:17:42,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:17:42,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:17:42,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:17:42,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:17:42,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:17:42,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:17:42,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:17:42,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:17:42,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:17:42,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:17:42,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:17:42,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:17:42,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:17:42,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:17:42,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:17:42,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:17:42,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:17:42,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:17:42,444 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2021-07-14 13:17:42,445 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr9INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:17:42,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:17:42,445 INFO L82 PathProgramCache]: Analyzing trace with hash 766235274, now seen corresponding path program 4 times [2021-07-14 13:17:42,445 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:17:42,446 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1827985198] [2021-07-14 13:17:42,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:17:42,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:17:42,665 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:17:42,665 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:17:42,665 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1827985198] [2021-07-14 13:17:42,665 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1827985198] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:17:42,665 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [598108552] [2021-07-14 13:17:42,665 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 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 [2021-07-14 13:17:42,705 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 13:17:42,706 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 13:17:42,706 INFO L263 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 33 conjunts are in the unsatisfiable core [2021-07-14 13:17:42,707 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 13:17:42,868 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 12 [2021-07-14 13:17:42,869 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 13:17:42,870 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:17:42,871 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 13:17:42,871 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:7 [2021-07-14 13:17:42,907 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:17:42,907 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [598108552] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:17:42,907 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 13:17:42,907 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 12] total 23 [2021-07-14 13:17:42,909 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1242084953] [2021-07-14 13:17:42,909 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-07-14 13:17:42,909 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:17:42,910 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-07-14 13:17:42,910 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=427, Unknown=0, NotChecked=0, Total=506 [2021-07-14 13:17:42,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:17:42,910 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:17:42,910 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 2.217391304347826) internal successors, (51), 23 states have internal predecessors, (51), 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) [2021-07-14 13:17:42,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:17:42,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:17:42,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:17:42,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:17:42,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:17:42,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:17:42,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:17:42,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:17:42,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:17:42,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:17:43,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:17:43,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:17:43,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:17:43,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:17:43,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:17:43,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:17:43,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:17:43,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:17:43,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:17:43,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 13:17:43,883 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 13:17:43,883 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr9INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:17:43,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:17:43,884 INFO L82 PathProgramCache]: Analyzing trace with hash -832545749, now seen corresponding path program 5 times [2021-07-14 13:17:43,884 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:17:43,884 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [377723486] [2021-07-14 13:17:43,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:17:43,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:17:43,936 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:17:43,936 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:17:43,936 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [377723486] [2021-07-14 13:17:43,936 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [377723486] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:17:43,937 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [396628460] [2021-07-14 13:17:43,937 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 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 [2021-07-14 13:17:43,978 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-07-14 13:17:43,979 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 13:17:43,979 INFO L263 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 8 conjunts are in the unsatisfiable core [2021-07-14 13:17:43,980 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 13:17:44,102 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:17:44,102 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [396628460] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:17:44,102 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 13:17:44,103 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2021-07-14 13:17:44,103 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1689167444] [2021-07-14 13:17:44,103 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-07-14 13:17:44,103 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:17:44,103 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-07-14 13:17:44,103 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=158, Unknown=0, NotChecked=0, Total=210 [2021-07-14 13:17:44,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:17:44,103 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:17:44,104 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 3.3333333333333335) internal successors, (50), 15 states have internal predecessors, (50), 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) [2021-07-14 13:17:44,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:17:44,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:17:44,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:17:44,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:17:44,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:17:44,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:17:44,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:17:44,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:17:44,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:17:44,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 13:17:44,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:17:44,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:17:44,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:17:44,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:17:44,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:17:44,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:17:44,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:17:44,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:17:44,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:17:44,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:17:44,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 13:17:44,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:17:44,615 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 13:17:44,616 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr9INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:17:44,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:17:44,616 INFO L82 PathProgramCache]: Analyzing trace with hash -950701334, now seen corresponding path program 1 times [2021-07-14 13:17:44,616 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:17:44,616 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [855135014] [2021-07-14 13:17:44,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:17:44,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:17:44,843 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:17:44,844 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:17:44,844 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [855135014] [2021-07-14 13:17:44,844 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [855135014] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:17:44,844 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1089022492] [2021-07-14 13:17:44,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2021-07-14 13:17:44,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:17:44,887 INFO L263 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 33 conjunts are in the unsatisfiable core [2021-07-14 13:17:44,887 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 13:17:45,077 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 12 [2021-07-14 13:17:45,078 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 13:17:45,079 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:17:45,080 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 13:17:45,080 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:7 [2021-07-14 13:17:45,118 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:17:45,118 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1089022492] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:17:45,118 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 13:17:45,118 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 12] total 23 [2021-07-14 13:17:45,118 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1167112806] [2021-07-14 13:17:45,119 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-07-14 13:17:45,119 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:17:45,119 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-07-14 13:17:45,119 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=427, Unknown=0, NotChecked=0, Total=506 [2021-07-14 13:17:45,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:17:45,120 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:17:45,120 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 2.217391304347826) internal successors, (51), 23 states have internal predecessors, (51), 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) [2021-07-14 13:17:45,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:17:45,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:17:45,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:17:45,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:17:45,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:17:45,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:17:45,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:17:45,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:17:45,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:17:45,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 13:17:45,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:17:45,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:17:45,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:17:45,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:17:45,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:17:45,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:17:45,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:17:45,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:17:45,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:17:45,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:17:45,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:17:45,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 13:17:45,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:17:45,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:17:46,120 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-07-14 13:17:46,121 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr9INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:17:46,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:17:46,121 INFO L82 PathProgramCache]: Analyzing trace with hash 57596650, now seen corresponding path program 2 times [2021-07-14 13:17:46,121 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:17:46,121 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1172310704] [2021-07-14 13:17:46,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:17:46,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:17:46,329 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:17:46,330 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:17:46,330 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1172310704] [2021-07-14 13:17:46,330 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1172310704] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:17:46,330 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [544684519] [2021-07-14 13:17:46,330 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 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 [2021-07-14 13:17:46,367 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 13:17:46,367 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 13:17:46,368 INFO L263 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 34 conjunts are in the unsatisfiable core [2021-07-14 13:17:46,369 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 13:17:46,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:17:46,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:17:46,732 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:17:46,732 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:17:46,733 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-07-14 13:17:46,734 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 13:17:46,745 INFO L628 ElimStorePlain]: treesize reduction 3, result has 88.0 percent of original size [2021-07-14 13:17:46,746 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 13:17:46,746 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:43, output treesize:11 [2021-07-14 13:17:46,798 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:17:46,798 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [544684519] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:17:46,798 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 13:17:46,799 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 13] total 24 [2021-07-14 13:17:46,799 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [124650274] [2021-07-14 13:17:46,799 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-07-14 13:17:46,799 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:17:46,799 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-07-14 13:17:46,800 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=491, Unknown=0, NotChecked=0, Total=552 [2021-07-14 13:17:46,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:17:46,800 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:17:46,800 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 2.0) internal successors, (48), 24 states have internal predecessors, (48), 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) [2021-07-14 13:17:46,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:17:46,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:17:46,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:17:46,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:17:46,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:17:46,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:17:46,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:17:46,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:17:46,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:17:46,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 13:17:46,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:17:46,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:17:46,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:17:47,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:17:47,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:17:47,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:17:47,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:17:47,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:17:47,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:17:47,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:17:47,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:17:47,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:17:47,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 13:17:47,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:17:47,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:17:47,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:17:48,155 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-07-14 13:17:48,155 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr9INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:17:48,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:17:48,155 INFO L82 PathProgramCache]: Analyzing trace with hash -1659339958, now seen corresponding path program 2 times [2021-07-14 13:17:48,155 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:17:48,155 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [972470102] [2021-07-14 13:17:48,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:17:48,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:17:48,408 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:17:48,408 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:17:48,408 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [972470102] [2021-07-14 13:17:48,408 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [972470102] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:17:48,409 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1136510415] [2021-07-14 13:17:48,409 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 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 [2021-07-14 13:17:48,446 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 13:17:48,446 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 13:17:48,447 INFO L263 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 34 conjunts are in the unsatisfiable core [2021-07-14 13:17:48,448 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 13:17:48,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:17:48,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:17:48,783 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:17:48,783 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:17:48,784 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-07-14 13:17:48,785 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 13:17:48,798 INFO L628 ElimStorePlain]: treesize reduction 3, result has 88.0 percent of original size [2021-07-14 13:17:48,800 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 13:17:48,800 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:43, output treesize:11 [2021-07-14 13:17:48,851 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:17:48,851 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1136510415] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:17:48,851 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 13:17:48,851 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 13] total 24 [2021-07-14 13:17:48,852 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1274198959] [2021-07-14 13:17:48,853 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-07-14 13:17:48,853 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:17:48,853 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-07-14 13:17:48,853 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=486, Unknown=0, NotChecked=0, Total=552 [2021-07-14 13:17:48,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:17:48,853 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:17:48,853 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 2.0) internal successors, (48), 24 states have internal predecessors, (48), 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) [2021-07-14 13:17:48,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:17:48,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:17:48,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:17:48,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:17:48,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:17:48,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:17:48,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:17:48,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:17:48,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:17:48,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 13:17:48,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:17:48,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 13:17:48,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:17:48,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:17:50,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:17:50,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:17:50,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:17:50,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:17:50,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:17:50,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:17:50,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:17:50,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:17:50,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:17:50,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 13:17:50,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 13:17:50,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 13:17:50,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:17:50,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 13:17:50,886 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-07-14 13:17:50,886 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr9INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:17:50,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:17:50,886 INFO L82 PathProgramCache]: Analyzing trace with hash 10901324, now seen corresponding path program 6 times [2021-07-14 13:17:50,886 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:17:50,886 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1108689015] [2021-07-14 13:17:50,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:17:50,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:17:51,243 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:17:51,244 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:17:51,244 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1108689015] [2021-07-14 13:17:51,244 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1108689015] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:17:51,244 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [107516489] [2021-07-14 13:17:51,244 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 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 [2021-07-14 13:17:51,288 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-07-14 13:17:51,288 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 13:17:51,289 INFO L263 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 46 conjunts are in the unsatisfiable core [2021-07-14 13:17:51,290 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 13:17:51,626 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:17:51,627 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 27 treesize of output 39 [2021-07-14 13:17:51,643 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-07-14 13:17:51,650 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:17:51,650 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 13:17:51,650 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:33, output treesize:17 [2021-07-14 13:17:51,743 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:17:51,743 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [107516489] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:17:51,743 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 13:17:51,743 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 17] total 32 [2021-07-14 13:17:51,743 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [300656322] [2021-07-14 13:17:51,744 INFO L462 AbstractCegarLoop]: Interpolant automaton has 32 states [2021-07-14 13:17:51,744 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:17:51,744 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-07-14 13:17:51,744 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=878, Unknown=0, NotChecked=0, Total=992 [2021-07-14 13:17:51,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:17:51,745 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:17:51,745 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 32 states, 32 states have (on average 1.84375) internal successors, (59), 32 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) [2021-07-14 13:17:51,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:17:51,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:17:51,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:17:51,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:17:51,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:17:51,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:17:51,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:17:51,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:17:51,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:17:51,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 13:17:51,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 13:17:51,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 13:17:51,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:17:51,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 13:17:51,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:17:53,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:17:53,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:17:53,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:17:53,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:17:53,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:17:53,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:17:53,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:17:53,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:17:53,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:17:53,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 13:17:53,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 13:17:53,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 13:17:53,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:17:53,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 13:17:53,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 13:17:53,636 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 13:17:53,637 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr9INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:17:53,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:17:53,637 INFO L82 PathProgramCache]: Analyzing trace with hash -858998675, now seen corresponding path program 7 times [2021-07-14 13:17:53,637 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:17:53,637 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [203296020] [2021-07-14 13:17:53,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:17:53,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:17:53,700 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 16 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:17:53,700 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:17:53,700 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [203296020] [2021-07-14 13:17:53,701 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [203296020] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:17:53,701 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [172531231] [2021-07-14 13:17:53,701 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 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 [2021-07-14 13:17:53,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:17:53,741 INFO L263 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 10 conjunts are in the unsatisfiable core [2021-07-14 13:17:53,742 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 13:17:53,872 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 16 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:17:53,872 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [172531231] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:17:53,872 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 13:17:53,872 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 19 [2021-07-14 13:17:53,873 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [158357776] [2021-07-14 13:17:53,873 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-07-14 13:17:53,873 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:17:53,874 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-07-14 13:17:53,874 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=262, Unknown=0, NotChecked=0, Total=342 [2021-07-14 13:17:53,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:17:53,874 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:17:53,874 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 3.0526315789473686) internal successors, (58), 19 states have internal predecessors, (58), 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) [2021-07-14 13:17:53,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:17:53,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:17:53,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:17:53,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:17:53,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:17:53,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:17:53,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:17:53,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:17:53,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:17:53,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 13:17:53,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 13:17:53,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 13:17:53,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:17:53,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 13:17:53,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 13:17:53,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:17:54,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:17:54,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:17:54,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:17:54,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:17:54,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:17:54,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:17:54,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:17:54,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:17:54,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:17:54,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 13:17:54,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 13:17:54,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 13:17:54,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:17:54,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 13:17:54,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 13:17:54,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 13:17:54,593 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-07-14 13:17:54,593 INFO L430 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr9INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:17:54,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:17:54,593 INFO L82 PathProgramCache]: Analyzing trace with hash -1706035284, now seen corresponding path program 3 times [2021-07-14 13:17:54,594 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:17:54,594 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [862129762] [2021-07-14 13:17:54,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:17:54,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:17:54,897 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:17:54,897 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:17:54,897 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [862129762] [2021-07-14 13:17:54,897 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [862129762] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:17:54,897 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1243550317] [2021-07-14 13:17:54,897 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 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 13:17:54,936 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-07-14 13:17:54,937 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 13:17:54,937 INFO L263 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 43 conjunts are in the unsatisfiable core [2021-07-14 13:17:54,938 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 13:17:55,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:17:55,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:17:55,481 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:17:55,482 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 27 treesize of output 79 [2021-07-14 13:17:55,765 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-07-14 13:17:56,060 WARN L205 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 57 [2021-07-14 13:17:56,061 INFO L628 ElimStorePlain]: treesize reduction 540, result has 17.7 percent of original size [2021-07-14 13:17:56,129 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-07-14 13:17:56,129 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:46, output treesize:267 [2021-07-14 13:17:56,368 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 38 [2021-07-14 13:17:56,458 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:17:56,459 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1243550317] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:17:56,459 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 13:17:56,459 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 33 [2021-07-14 13:17:56,459 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1202383507] [2021-07-14 13:17:56,460 INFO L462 AbstractCegarLoop]: Interpolant automaton has 33 states [2021-07-14 13:17:56,460 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:17:56,461 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-07-14 13:17:56,461 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=936, Unknown=0, NotChecked=0, Total=1056 [2021-07-14 13:17:56,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:17:56,461 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:17:56,462 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 33 states, 33 states have (on average 1.7878787878787878) internal successors, (59), 33 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) [2021-07-14 13:17:56,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:17:56,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:17:56,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:17:56,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:17:56,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:17:56,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:17:56,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:17:56,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:17:56,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:17:56,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 13:17:56,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 13:17:56,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 13:17:56,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:17:56,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 13:17:56,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 13:17:56,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 13:17:56,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:17:59,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:17:59,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:17:59,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:17:59,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:17:59,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:17:59,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:17:59,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:17:59,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:17:59,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:17:59,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 13:17:59,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 13:17:59,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:17:59,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:17:59,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 13:17:59,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 13:17:59,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 13:17:59,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-07-14 13:17:59,605 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 13:17:59,605 INFO L430 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr9INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:17:59,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:17:59,605 INFO L82 PathProgramCache]: Analyzing trace with hash -697737300, now seen corresponding path program 4 times [2021-07-14 13:17:59,605 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:17:59,605 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [129279104] [2021-07-14 13:17:59,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:17:59,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:17:59,935 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:17:59,935 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:17:59,936 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [129279104] [2021-07-14 13:17:59,936 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [129279104] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:17:59,936 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [281491980] [2021-07-14 13:17:59,936 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 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 13:17:59,973 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 13:17:59,973 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 13:17:59,974 INFO L263 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 45 conjunts are in the unsatisfiable core [2021-07-14 13:17:59,975 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 13:18:00,282 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-07-14 13:18:00,284 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 13:18:00,285 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:18:00,285 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 13:18:00,286 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:27, output treesize:7 [2021-07-14 13:18:00,333 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:18:00,333 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [281491980] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:18:00,333 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 13:18:00,333 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 16] total 31 [2021-07-14 13:18:00,333 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1933661274] [2021-07-14 13:18:00,333 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-07-14 13:18:00,333 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:18:00,334 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-07-14 13:18:00,335 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=819, Unknown=0, NotChecked=0, Total=930 [2021-07-14 13:18:00,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:18:00,335 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:18:00,335 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 1.903225806451613) internal successors, (59), 31 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) [2021-07-14 13:18:00,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:18:00,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:18:00,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:18:00,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:18:00,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:18:00,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:18:00,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:18:00,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:18:00,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:18:00,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 13:18:00,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 13:18:00,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:18:00,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:18:00,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 13:18:00,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 13:18:00,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 13:18:00,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-07-14 13:18:00,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:18:01,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:18:01,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:18:01,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:18:01,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:18:01,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:18:01,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:18:01,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:18:01,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:18:01,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:18:01,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 13:18:01,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 13:18:01,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:18:01,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:18:01,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 13:18:01,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 13:18:01,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 13:18:01,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-07-14 13:18:01,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 13:18:02,016 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable63 [2021-07-14 13:18:02,017 INFO L430 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr9INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:18:02,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:18:02,017 INFO L82 PathProgramCache]: Analyzing trace with hash 1880293388, now seen corresponding path program 5 times [2021-07-14 13:18:02,018 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:18:02,018 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1779343654] [2021-07-14 13:18:02,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:18:02,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:18:02,357 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:18:02,357 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:18:02,357 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1779343654] [2021-07-14 13:18:02,357 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1779343654] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:18:02,357 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [140384907] [2021-07-14 13:18:02,357 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 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 13:18:02,395 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-07-14 13:18:02,395 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 13:18:02,396 INFO L263 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 45 conjunts are in the unsatisfiable core [2021-07-14 13:18:02,397 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 13:18:02,704 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-07-14 13:18:02,705 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 13:18:02,707 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:18:02,707 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 13:18:02,707 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:27, output treesize:7 [2021-07-14 13:18:02,756 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:18:02,757 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [140384907] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:18:02,757 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 13:18:02,757 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 16] total 31 [2021-07-14 13:18:02,757 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1085244054] [2021-07-14 13:18:02,757 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-07-14 13:18:02,757 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:18:02,757 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-07-14 13:18:02,758 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=819, Unknown=0, NotChecked=0, Total=930 [2021-07-14 13:18:02,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:18:02,758 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:18:02,758 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 1.903225806451613) internal successors, (59), 31 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) [2021-07-14 13:18:02,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:18:02,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:18:02,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:18:02,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:18:02,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:18:02,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:18:02,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:18:02,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:18:02,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:18:02,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 13:18:02,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 13:18:02,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:18:02,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:18:02,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 13:18:02,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 13:18:02,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 13:18:02,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-07-14 13:18:02,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 13:18:02,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:18:04,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:18:04,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:18:04,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:18:04,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:18:04,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:18:04,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:18:04,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:18:04,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:18:04,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:18:04,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 13:18:04,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 13:18:04,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:18:04,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:18:04,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 13:18:04,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 13:18:04,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 13:18:04,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-07-14 13:18:04,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-07-14 13:18:04,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-14 13:18:04,699 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable64 [2021-07-14 13:18:04,699 INFO L430 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr9INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:18:04,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:18:04,700 INFO L82 PathProgramCache]: Analyzing trace with hash 1908983724, now seen corresponding path program 6 times [2021-07-14 13:18:04,700 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:18:04,700 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [951422027] [2021-07-14 13:18:04,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:18:04,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:18:04,970 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:18:04,970 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:18:04,970 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [951422027] [2021-07-14 13:18:04,970 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [951422027] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:18:04,970 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [938069095] [2021-07-14 13:18:04,970 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 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 13:18:05,015 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-07-14 13:18:05,015 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 13:18:05,016 INFO L263 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 46 conjunts are in the unsatisfiable core [2021-07-14 13:18:05,016 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 13:18:05,467 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:18:05,468 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-07-14 13:18:05,469 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 13:18:05,473 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:18:05,474 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 13:18:05,474 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:33, output treesize:5 [2021-07-14 13:18:05,514 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:18:05,514 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [938069095] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:18:05,514 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 13:18:05,514 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 17] total 32 [2021-07-14 13:18:05,515 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1227378487] [2021-07-14 13:18:05,515 INFO L462 AbstractCegarLoop]: Interpolant automaton has 32 states [2021-07-14 13:18:05,515 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:18:05,515 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-07-14 13:18:05,516 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=901, Unknown=0, NotChecked=0, Total=992 [2021-07-14 13:18:05,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:18:05,516 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:18:05,516 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 32 states, 32 states have (on average 1.84375) internal successors, (59), 32 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) [2021-07-14 13:18:05,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:18:05,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:18:05,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:18:05,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:18:05,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:18:05,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:18:05,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:18:05,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:18:05,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:18:05,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 13:18:05,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 13:18:05,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:18:05,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:18:05,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 13:18:05,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 13:18:05,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 13:18:05,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-07-14 13:18:05,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-07-14 13:18:05,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-07-14 13:18:05,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:18:07,303 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 70 [2021-07-14 13:18:08,219 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 62 [2021-07-14 13:18:08,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:18:08,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:18:08,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:18:08,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:18:08,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:18:08,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:18:08,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:18:08,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:18:08,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:18:08,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 13:18:08,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 13:18:08,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:18:08,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:18:08,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 13:18:08,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 13:18:08,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 13:18:08,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-07-14 13:18:08,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-07-14 13:18:08,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-14 13:18:08,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-14 13:18:09,068 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65,20 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 13:18:09,069 INFO L430 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr9INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:18:09,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:18:09,071 INFO L82 PathProgramCache]: Analyzing trace with hash 192047116, now seen corresponding path program 7 times [2021-07-14 13:18:09,071 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:18:09,071 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [225251017] [2021-07-14 13:18:09,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:18:09,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:18:09,331 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:18:09,332 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:18:09,332 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [225251017] [2021-07-14 13:18:09,332 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [225251017] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:18:09,332 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [242339814] [2021-07-14 13:18:09,332 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 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 13:18:09,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:18:09,369 INFO L263 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 45 conjunts are in the unsatisfiable core [2021-07-14 13:18:09,370 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 13:18:09,681 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-07-14 13:18:09,682 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 13:18:09,684 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:18:09,684 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 13:18:09,684 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:27, output treesize:7 [2021-07-14 13:18:09,720 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:18:09,720 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [242339814] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:18:09,721 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 13:18:09,721 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 16] total 31 [2021-07-14 13:18:09,721 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [211021838] [2021-07-14 13:18:09,721 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-07-14 13:18:09,721 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:18:09,721 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-07-14 13:18:09,722 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=845, Unknown=0, NotChecked=0, Total=930 [2021-07-14 13:18:09,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:18:09,722 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:18:09,722 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 1.903225806451613) internal successors, (59), 31 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) [2021-07-14 13:18:09,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:18:09,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:18:09,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:18:09,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:18:09,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:18:09,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:18:09,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:18:09,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:18:09,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:18:09,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 13:18:09,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 13:18:09,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:18:09,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:18:09,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 13:18:09,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 13:18:09,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 13:18:09,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-07-14 13:18:09,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-07-14 13:18:09,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-07-14 13:18:09,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-14 13:18:09,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:18:12,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:18:12,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:18:12,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:18:12,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:18:12,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:18:12,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:18:12,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:18:12,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:18:12,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:18:12,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 13:18:12,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 13:18:12,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:18:12,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:18:12,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 13:18:12,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 13:18:12,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 13:18:12,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-07-14 13:18:12,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-07-14 13:18:12,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-14 13:18:12,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-07-14 13:18:12,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-07-14 13:18:12,752 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable66 [2021-07-14 13:18:12,753 INFO L430 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr9INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:18:12,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:18:12,753 INFO L82 PathProgramCache]: Analyzing trace with hash 1200345100, now seen corresponding path program 8 times [2021-07-14 13:18:12,753 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:18:12,753 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [391643687] [2021-07-14 13:18:12,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:18:12,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:18:12,995 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:18:12,996 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:18:12,996 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [391643687] [2021-07-14 13:18:12,996 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [391643687] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:18:12,996 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1043839082] [2021-07-14 13:18:12,996 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 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 13:18:13,033 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 13:18:13,033 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 13:18:13,034 INFO L263 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 46 conjunts are in the unsatisfiable core [2021-07-14 13:18:13,035 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 13:18:13,369 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:18:13,369 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 27 treesize of output 39 [2021-07-14 13:18:13,372 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-07-14 13:18:13,378 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:18:13,379 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 13:18:13,379 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:33, output treesize:17 [2021-07-14 13:18:13,456 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:18:13,456 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1043839082] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:18:13,456 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 13:18:13,456 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 17] total 32 [2021-07-14 13:18:13,456 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1785230504] [2021-07-14 13:18:13,456 INFO L462 AbstractCegarLoop]: Interpolant automaton has 32 states [2021-07-14 13:18:13,456 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:18:13,457 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-07-14 13:18:13,457 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=123, Invalid=869, Unknown=0, NotChecked=0, Total=992 [2021-07-14 13:18:13,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:18:13,457 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:18:13,457 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 32 states, 32 states have (on average 1.875) internal successors, (60), 32 states have internal predecessors, (60), 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) [2021-07-14 13:18:13,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:18:13,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:18:13,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:18:13,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:18:13,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:18:13,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:18:13,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:18:13,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:18:13,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:18:13,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 13:18:13,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 13:18:13,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:18:13,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:18:13,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 13:18:13,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 13:18:13,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 13:18:13,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-07-14 13:18:13,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-07-14 13:18:13,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-07-14 13:18:13,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2021-07-14 13:18:13,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2021-07-14 13:18:13,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:18:15,699 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 62 [2021-07-14 13:18:16,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:18:16,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:18:16,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:18:16,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:18:16,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:18:16,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:18:16,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:18:16,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:18:16,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:18:16,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 13:18:16,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 13:18:16,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:18:16,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:18:16,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 13:18:16,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-07-14 13:18:16,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-14 13:18:16,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-07-14 13:18:16,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-07-14 13:18:16,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-14 13:18:16,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-07-14 13:18:16,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-07-14 13:18:16,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-07-14 13:18:16,317 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable67 [2021-07-14 13:18:16,317 INFO L430 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr9INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:18:16,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:18:16,317 INFO L82 PathProgramCache]: Analyzing trace with hash -516591508, now seen corresponding path program 3 times [2021-07-14 13:18:16,317 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:18:16,317 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9360123] [2021-07-14 13:18:16,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:18:16,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:18:16,563 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:18:16,564 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:18:16,564 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [9360123] [2021-07-14 13:18:16,564 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [9360123] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:18:16,564 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [418257749] [2021-07-14 13:18:16,564 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 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 13:18:16,633 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-07-14 13:18:16,633 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 13:18:16,634 INFO L263 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 43 conjunts are in the unsatisfiable core [2021-07-14 13:18:16,635 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 13:18:17,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:18:17,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:18:17,176 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:18:17,176 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 27 treesize of output 79 [2021-07-14 13:18:17,314 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-07-14 13:18:17,628 WARN L205 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 70 [2021-07-14 13:18:17,629 INFO L628 ElimStorePlain]: treesize reduction 494, result has 22.3 percent of original size [2021-07-14 13:18:17,747 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: and 8 xjuncts. [2021-07-14 13:18:17,747 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:46, output treesize:399 [2021-07-14 13:18:17,986 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 45 [2021-07-14 13:18:18,065 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:18:18,066 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [418257749] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:18:18,066 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 13:18:18,066 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 33 [2021-07-14 13:18:18,066 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66101649] [2021-07-14 13:18:18,066 INFO L462 AbstractCegarLoop]: Interpolant automaton has 33 states [2021-07-14 13:18:18,066 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:18:18,066 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-07-14 13:18:18,067 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=969, Unknown=0, NotChecked=0, Total=1056 [2021-07-14 13:18:18,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:18:18,067 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:18:18,067 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 33 states, 33 states have (on average 1.8181818181818181) internal successors, (60), 33 states have internal predecessors, (60), 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) [2021-07-14 13:18:18,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:18:18,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:18:18,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:18:18,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:18:18,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:18:18,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:18:18,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:18:18,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:18:18,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:18:18,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 13:18:18,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 13:18:18,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:18:18,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:18:18,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 13:18:18,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-07-14 13:18:18,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-07-14 13:18:18,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-07-14 13:18:18,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-07-14 13:18:18,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-07-14 13:18:18,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2021-07-14 13:18:18,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2021-07-14 13:18:18,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2021-07-14 13:18:18,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:18:18,754 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 57 [2021-07-14 13:18:18,954 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 63 [2021-07-14 13:18:19,230 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 52 [2021-07-14 13:18:19,948 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 79 [2021-07-14 13:18:21,355 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 64 [2021-07-14 13:18:22,005 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 74 [2021-07-14 13:18:23,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:18:23,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:18:23,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:18:23,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:18:23,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:18:23,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:18:23,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:18:23,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:18:23,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:18:23,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 13:18:23,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 13:18:23,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:18:23,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:18:23,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 13:18:23,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-14 13:18:23,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 13:18:23,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-14 13:18:23,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 13:18:23,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-14 13:18:23,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-07-14 13:18:23,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-07-14 13:18:23,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-07-14 13:18:23,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-07-14 13:18:23,456 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70,23 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 13:18:23,457 INFO L430 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr9INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:18:23,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:18:23,457 INFO L82 PathProgramCache]: Analyzing trace with hash 661535502, now seen corresponding path program 8 times [2021-07-14 13:18:23,457 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:18:23,457 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [332809462] [2021-07-14 13:18:23,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:18:23,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:18:23,904 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 2 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:18:23,905 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:18:23,905 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [332809462] [2021-07-14 13:18:23,905 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [332809462] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:18:23,905 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1877493757] [2021-07-14 13:18:23,905 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 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 13:18:23,945 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 13:18:23,945 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 13:18:23,946 INFO L263 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 58 conjunts are in the unsatisfiable core [2021-07-14 13:18:23,946 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 13:18:24,406 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:18:24,406 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 33 treesize of output 49 [2021-07-14 13:18:24,411 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-07-14 13:18:24,416 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:18:24,417 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 13:18:24,417 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:39, output treesize:17 [2021-07-14 13:18:24,504 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:18:24,504 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1877493757] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:18:24,504 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 13:18:24,504 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 21] total 40 [2021-07-14 13:18:24,505 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1249587022] [2021-07-14 13:18:24,505 INFO L462 AbstractCegarLoop]: Interpolant automaton has 40 states [2021-07-14 13:18:24,505 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:18:24,505 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2021-07-14 13:18:24,505 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=221, Invalid=1339, Unknown=0, NotChecked=0, Total=1560 [2021-07-14 13:18:24,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:18:24,506 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:18:24,506 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 40 states, 40 states have (on average 1.675) internal successors, (67), 40 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) [2021-07-14 13:18:24,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:18:24,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:18:24,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:18:24,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:18:24,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:18:24,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:18:24,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:18:24,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:18:24,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:18:24,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 13:18:24,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 13:18:24,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:18:24,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:18:24,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 13:18:24,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-14 13:18:24,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 13:18:24,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-14 13:18:24,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 13:18:24,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-14 13:18:24,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2021-07-14 13:18:24,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2021-07-14 13:18:24,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2021-07-14 13:18:24,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-07-14 13:18:24,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:18:26,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:18:26,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:18:26,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:18:26,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:18:26,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:18:26,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:18:26,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:18:26,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:18:26,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:18:26,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 13:18:26,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 13:18:26,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:18:26,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:18:26,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 13:18:26,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-14 13:18:26,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 13:18:26,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-14 13:18:26,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 13:18:26,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-14 13:18:26,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-07-14 13:18:26,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-07-14 13:18:26,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-07-14 13:18:26,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-07-14 13:18:26,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-07-14 13:18:26,466 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable119,24 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 13:18:26,466 INFO L430 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr9INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:18:26,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:18:26,467 INFO L82 PathProgramCache]: Analyzing trace with hash 1630188463, now seen corresponding path program 9 times [2021-07-14 13:18:26,467 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:18:26,467 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [155337142] [2021-07-14 13:18:26,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:18:26,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:18:26,543 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 25 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:18:26,543 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:18:26,543 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [155337142] [2021-07-14 13:18:26,543 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [155337142] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:18:26,544 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1748766633] [2021-07-14 13:18:26,544 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 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 13:18:26,586 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2021-07-14 13:18:26,586 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 13:18:26,587 INFO L263 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 12 conjunts are in the unsatisfiable core [2021-07-14 13:18:26,587 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 13:18:26,759 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 25 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:18:26,759 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1748766633] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:18:26,759 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 13:18:26,759 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 23 [2021-07-14 13:18:26,761 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1652663867] [2021-07-14 13:18:26,761 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-07-14 13:18:26,761 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:18:26,762 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-07-14 13:18:26,762 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=392, Unknown=0, NotChecked=0, Total=506 [2021-07-14 13:18:26,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:18:26,762 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:18:26,762 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 2.869565217391304) internal successors, (66), 23 states have internal predecessors, (66), 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) [2021-07-14 13:18:26,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:18:26,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:18:26,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:18:26,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:18:26,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:18:26,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:18:26,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:18:26,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:18:26,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:18:26,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 13:18:26,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 13:18:26,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:18:26,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:18:26,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 13:18:26,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-14 13:18:26,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 13:18:26,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-14 13:18:26,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 13:18:26,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-14 13:18:26,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2021-07-14 13:18:26,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2021-07-14 13:18:26,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2021-07-14 13:18:26,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-07-14 13:18:26,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-07-14 13:18:26,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:18:27,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:18:27,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:18:27,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:18:27,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:18:27,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:18:27,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:18:27,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:18:27,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:18:27,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:18:27,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 13:18:27,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 13:18:27,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:18:27,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:18:27,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 13:18:27,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-14 13:18:27,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 13:18:27,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-14 13:18:27,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 13:18:27,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-14 13:18:27,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-07-14 13:18:27,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-07-14 13:18:27,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-07-14 13:18:27,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-07-14 13:18:27,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-07-14 13:18:27,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-14 13:18:27,711 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable123,25 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 13:18:27,711 INFO L430 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr9INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:18:27,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:18:27,711 INFO L82 PathProgramCache]: Analyzing trace with hash -1055401106, now seen corresponding path program 9 times [2021-07-14 13:18:27,711 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:18:27,711 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1537854873] [2021-07-14 13:18:27,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:18:27,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:18:28,127 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 6 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:18:28,127 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:18:28,127 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1537854873] [2021-07-14 13:18:28,127 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1537854873] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:18:28,127 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1306440449] [2021-07-14 13:18:28,127 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 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 13:18:28,168 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-07-14 13:18:28,168 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 13:18:28,169 INFO L263 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 55 conjunts are in the unsatisfiable core [2021-07-14 13:18:28,170 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 13:18:28,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:18:28,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:18:28,893 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:18:28,893 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 6 new quantified variables, introduced 12 case distinctions, treesize of input 33 treesize of output 113 [2021-07-14 13:18:29,324 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 358 DAG size of output: 326 [2021-07-14 13:18:30,026 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 782 DAG size of output: 692 [2021-07-14 13:18:30,254 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 782 DAG size of output: 692 [2021-07-14 13:18:30,485 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 782 DAG size of output: 692 [2021-07-14 13:18:30,696 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 665 DAG size of output: 660 [2021-07-14 13:18:30,702 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2021-07-14 13:18:32,015 WARN L205 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 674 DAG size of output: 65 [2021-07-14 13:18:32,016 INFO L628 ElimStorePlain]: treesize reduction 5091, result has 2.8 percent of original size [2021-07-14 13:18:32,066 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-07-14 13:18:32,067 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:52, output treesize:323 [2021-07-14 13:18:32,310 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 33 [2021-07-14 13:18:32,416 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:18:32,417 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1306440449] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:18:32,417 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 13:18:32,417 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22] total 41 [2021-07-14 13:18:32,417 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [498261023] [2021-07-14 13:18:32,417 INFO L462 AbstractCegarLoop]: Interpolant automaton has 41 states [2021-07-14 13:18:32,417 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:18:32,417 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2021-07-14 13:18:32,418 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=160, Invalid=1480, Unknown=0, NotChecked=0, Total=1640 [2021-07-14 13:18:32,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:18:32,418 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:18:32,418 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 41 states, 41 states have (on average 1.6341463414634145) internal successors, (67), 41 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) [2021-07-14 13:18:32,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:18:32,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:18:32,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:18:32,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:18:32,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:18:32,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:18:32,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:18:32,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:18:32,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:18:32,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 13:18:32,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 13:18:32,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:18:32,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:18:32,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 13:18:32,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-14 13:18:32,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 13:18:32,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-14 13:18:32,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 13:18:32,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-14 13:18:32,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2021-07-14 13:18:32,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2021-07-14 13:18:32,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2021-07-14 13:18:32,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-07-14 13:18:32,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-07-14 13:18:32,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-14 13:18:32,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:18:32,953 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 41 [2021-07-14 13:18:33,557 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 50 [2021-07-14 13:18:34,008 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 46 [2021-07-14 13:18:34,890 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 55 [2021-07-14 13:18:35,418 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 50 [2021-07-14 13:18:35,852 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 49 [2021-07-14 13:18:36,342 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 53 [2021-07-14 13:18:36,795 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 57 [2021-07-14 13:18:37,135 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 46 [2021-07-14 13:18:37,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:18:37,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:18:37,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:18:37,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:18:37,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:18:37,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:18:37,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:18:37,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:18:37,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:18:37,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 13:18:37,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 13:18:37,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:18:37,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:18:37,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 13:18:37,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-14 13:18:37,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 13:18:37,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-07-14 13:18:37,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 13:18:37,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-14 13:18:37,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-07-14 13:18:37,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-07-14 13:18:37,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-07-14 13:18:37,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-07-14 13:18:37,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-07-14 13:18:37,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-14 13:18:37,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-07-14 13:18:37,636 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable124 [2021-07-14 13:18:37,636 INFO L430 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr9INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:18:37,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:18:37,636 INFO L82 PathProgramCache]: Analyzing trace with hash -47103122, now seen corresponding path program 10 times [2021-07-14 13:18:37,636 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:18:37,636 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [928031667] [2021-07-14 13:18:37,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:18:37,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:18:38,023 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 6 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:18:38,024 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:18:38,024 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [928031667] [2021-07-14 13:18:38,024 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [928031667] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:18:38,024 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1205570678] [2021-07-14 13:18:38,024 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 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 13:18:38,064 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 13:18:38,064 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 13:18:38,065 INFO L263 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 57 conjunts are in the unsatisfiable core [2021-07-14 13:18:38,066 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 13:18:38,494 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 17 [2021-07-14 13:18:38,495 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 13:18:38,496 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:18:38,496 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 13:18:38,496 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:33, output treesize:5 [2021-07-14 13:18:38,543 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:18:38,543 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1205570678] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:18:38,543 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 13:18:38,543 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 20] total 39 [2021-07-14 13:18:38,544 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2017833739] [2021-07-14 13:18:38,544 INFO L462 AbstractCegarLoop]: Interpolant automaton has 39 states [2021-07-14 13:18:38,544 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:18:38,544 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2021-07-14 13:18:38,544 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=163, Invalid=1319, Unknown=0, NotChecked=0, Total=1482 [2021-07-14 13:18:38,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:18:38,545 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:18:38,545 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 39 states, 39 states have (on average 1.7179487179487178) internal successors, (67), 39 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) [2021-07-14 13:18:38,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:18:38,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:18:38,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:18:38,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:18:38,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:18:38,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:18:38,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:18:38,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:18:38,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:18:38,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 13:18:38,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 13:18:38,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:18:38,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:18:38,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 13:18:38,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-14 13:18:38,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 13:18:38,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-07-14 13:18:38,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 13:18:38,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-14 13:18:38,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2021-07-14 13:18:38,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2021-07-14 13:18:38,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2021-07-14 13:18:38,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-07-14 13:18:38,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-07-14 13:18:38,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-14 13:18:38,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-07-14 13:18:38,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:18:40,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:18:40,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:18:40,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:18:40,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:18:40,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:18:40,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:18:40,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:18:40,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:18:40,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:18:40,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 13:18:40,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 13:18:40,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:18:40,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:18:40,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 13:18:40,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-14 13:18:40,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 13:18:40,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-07-14 13:18:40,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 13:18:40,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-14 13:18:40,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-07-14 13:18:40,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-07-14 13:18:40,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-07-14 13:18:40,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-07-14 13:18:40,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-07-14 13:18:40,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-14 13:18:40,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-07-14 13:18:40,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 13:18:40,528 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable246 [2021-07-14 13:18:40,529 INFO L430 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr9INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:18:40,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:18:40,529 INFO L82 PathProgramCache]: Analyzing trace with hash -1764039730, now seen corresponding path program 11 times [2021-07-14 13:18:40,529 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:18:40,529 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2025645904] [2021-07-14 13:18:40,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:18:40,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:18:40,917 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 1 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:18:40,917 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:18:40,917 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2025645904] [2021-07-14 13:18:40,917 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2025645904] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:18:40,917 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1553943022] [2021-07-14 13:18:40,917 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 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 13:18:40,957 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2021-07-14 13:18:40,957 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 13:18:40,958 INFO L263 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 57 conjunts are in the unsatisfiable core [2021-07-14 13:18:40,958 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 13:18:41,432 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 17 [2021-07-14 13:18:41,433 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 13:18:41,434 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:18:41,435 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 13:18:41,435 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:33, output treesize:7 [2021-07-14 13:18:41,484 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:18:41,484 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1553943022] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:18:41,484 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 13:18:41,484 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 20] total 39 [2021-07-14 13:18:41,484 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674109806] [2021-07-14 13:18:41,484 INFO L462 AbstractCegarLoop]: Interpolant automaton has 39 states [2021-07-14 13:18:41,484 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:18:41,484 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2021-07-14 13:18:41,485 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=152, Invalid=1330, Unknown=0, NotChecked=0, Total=1482 [2021-07-14 13:18:41,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:18:41,485 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:18:41,485 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 39 states, 39 states have (on average 1.7179487179487178) internal successors, (67), 39 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) [2021-07-14 13:18:41,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:18:41,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:18:41,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:18:41,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:18:41,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:18:41,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:18:41,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:18:41,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:18:41,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:18:41,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 13:18:41,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 13:18:41,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:18:41,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:18:41,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 13:18:41,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-14 13:18:41,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 13:18:41,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-07-14 13:18:41,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 13:18:41,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-14 13:18:41,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2021-07-14 13:18:41,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2021-07-14 13:18:41,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2021-07-14 13:18:41,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-07-14 13:18:41,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-07-14 13:18:41,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-14 13:18:41,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-07-14 13:18:41,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 13:18:41,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:18:44,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:18:44,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:18:44,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:18:44,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:18:44,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:18:44,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:18:44,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:18:44,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:18:44,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:18:44,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 13:18:44,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 13:18:44,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:18:44,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:18:44,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 13:18:44,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-14 13:18:44,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 13:18:44,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-14 13:18:44,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 13:18:44,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 13:18:44,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-07-14 13:18:44,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-07-14 13:18:44,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-07-14 13:18:44,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-07-14 13:18:44,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-14 13:18:44,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-14 13:18:44,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-07-14 13:18:44,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 13:18:44,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-07-14 13:18:44,402 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable247 [2021-07-14 13:18:44,402 INFO L430 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr9INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:18:44,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:18:44,403 INFO L82 PathProgramCache]: Analyzing trace with hash -1735349394, now seen corresponding path program 12 times [2021-07-14 13:18:44,403 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:18:44,403 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1715888988] [2021-07-14 13:18:44,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:18:44,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:18:44,791 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 6 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:18:44,791 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:18:44,791 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1715888988] [2021-07-14 13:18:44,791 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1715888988] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:18:44,791 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [563223702] [2021-07-14 13:18:44,791 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 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 13:18:44,835 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-07-14 13:18:44,836 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 13:18:44,837 INFO L263 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 58 conjunts are in the unsatisfiable core [2021-07-14 13:18:44,837 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 13:18:45,278 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:18:45,279 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 33 treesize of output 49 [2021-07-14 13:18:45,286 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-07-14 13:18:45,291 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:18:45,292 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 13:18:45,292 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:39, output treesize:17 [2021-07-14 13:18:45,380 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:18:45,380 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [563223702] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:18:45,380 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 13:18:45,380 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 21] total 40 [2021-07-14 13:18:45,380 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089503298] [2021-07-14 13:18:45,380 INFO L462 AbstractCegarLoop]: Interpolant automaton has 40 states [2021-07-14 13:18:45,380 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:18:45,381 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2021-07-14 13:18:45,381 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=166, Invalid=1394, Unknown=0, NotChecked=0, Total=1560 [2021-07-14 13:18:45,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:18:45,381 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:18:45,381 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 40 states, 40 states have (on average 1.675) internal successors, (67), 40 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) [2021-07-14 13:18:45,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:18:45,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:18:45,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:18:45,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:18:45,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:18:45,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:18:45,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:18:45,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:18:45,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:18:45,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 13:18:45,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 13:18:45,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:18:45,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:18:45,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 13:18:45,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-14 13:18:45,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 13:18:45,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-14 13:18:45,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 13:18:45,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 13:18:45,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2021-07-14 13:18:45,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2021-07-14 13:18:45,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2021-07-14 13:18:45,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-07-14 13:18:45,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-14 13:18:45,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-14 13:18:45,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-07-14 13:18:45,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 13:18:45,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-07-14 13:18:45,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:18:47,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:18:47,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:18:47,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:18:47,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:18:47,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:18:47,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:18:47,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:18:47,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:18:47,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:18:47,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 13:18:47,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 13:18:47,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:18:47,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:18:47,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 13:18:47,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-14 13:18:47,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 13:18:47,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-14 13:18:47,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 13:18:47,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 13:18:47,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-07-14 13:18:47,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-07-14 13:18:47,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-07-14 13:18:47,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-07-14 13:18:47,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-14 13:18:47,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-14 13:18:47,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-07-14 13:18:47,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 13:18:47,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-07-14 13:18:47,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-07-14 13:18:47,655 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable248,29 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 13:18:47,655 INFO L430 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr9INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:18:47,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:18:47,656 INFO L82 PathProgramCache]: Analyzing trace with hash 842681294, now seen corresponding path program 13 times [2021-07-14 13:18:47,656 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:18:47,656 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953986920] [2021-07-14 13:18:47,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:18:47,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:18:48,089 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 1 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:18:48,089 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:18:48,089 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1953986920] [2021-07-14 13:18:48,090 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1953986920] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:18:48,090 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1300003894] [2021-07-14 13:18:48,090 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 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 13:18:48,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:18:48,129 INFO L263 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 57 conjunts are in the unsatisfiable core [2021-07-14 13:18:48,129 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 13:18:48,607 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 17 [2021-07-14 13:18:48,608 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 13:18:48,610 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:18:48,610 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 13:18:48,610 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:33, output treesize:7 [2021-07-14 13:18:48,662 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:18:48,662 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1300003894] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:18:48,662 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 13:18:48,662 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 20] total 39 [2021-07-14 13:18:48,662 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1516553873] [2021-07-14 13:18:48,662 INFO L462 AbstractCegarLoop]: Interpolant automaton has 39 states [2021-07-14 13:18:48,662 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:18:48,663 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2021-07-14 13:18:48,663 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=152, Invalid=1330, Unknown=0, NotChecked=0, Total=1482 [2021-07-14 13:18:48,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:18:48,663 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:18:48,663 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 39 states, 39 states have (on average 1.7179487179487178) internal successors, (67), 39 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) [2021-07-14 13:18:48,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:18:48,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:18:48,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:18:48,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:18:48,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:18:48,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:18:48,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:18:48,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:18:48,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:18:48,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 13:18:48,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 13:18:48,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:18:48,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:18:48,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 13:18:48,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-14 13:18:48,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 13:18:48,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-14 13:18:48,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 13:18:48,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 13:18:48,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2021-07-14 13:18:48,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2021-07-14 13:18:48,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2021-07-14 13:18:48,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-07-14 13:18:48,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-14 13:18:48,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-14 13:18:48,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-07-14 13:18:48,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 13:18:48,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-07-14 13:18:48,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-07-14 13:18:48,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:18:51,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:18:51,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:18:51,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:18:51,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:18:51,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:18:51,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:18:51,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:18:51,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:18:51,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:18:51,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 13:18:51,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 13:18:51,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:18:51,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:18:51,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 13:18:51,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-14 13:18:51,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 13:18:51,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-14 13:18:51,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 13:18:51,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 13:18:51,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-07-14 13:18:51,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-07-14 13:18:51,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-07-14 13:18:51,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-07-14 13:18:51,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-14 13:18:51,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-14 13:18:51,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-07-14 13:18:51,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 13:18:51,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-07-14 13:18:51,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-07-14 13:18:51,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-07-14 13:18:51,222 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable252,30 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 13:18:51,223 INFO L430 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr9INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:18:51,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:18:51,223 INFO L82 PathProgramCache]: Analyzing trace with hash 1850979278, now seen corresponding path program 14 times [2021-07-14 13:18:51,223 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:18:51,223 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1115657625] [2021-07-14 13:18:51,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:18:51,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:18:51,657 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 1 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:18:51,658 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:18:51,658 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1115657625] [2021-07-14 13:18:51,658 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1115657625] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:18:51,658 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1054491532] [2021-07-14 13:18:51,658 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 31 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 31 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 13:18:51,698 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 13:18:51,698 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 13:18:51,699 INFO L263 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 58 conjunts are in the unsatisfiable core [2021-07-14 13:18:51,700 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 13:18:52,162 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:18:52,162 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 33 treesize of output 49 [2021-07-14 13:18:52,166 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-07-14 13:18:52,173 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:18:52,173 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 13:18:52,173 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:39, output treesize:17 [2021-07-14 13:18:52,272 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:18:52,272 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1054491532] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:18:52,272 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 13:18:52,272 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 21] total 40 [2021-07-14 13:18:52,273 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1715393876] [2021-07-14 13:18:52,273 INFO L462 AbstractCegarLoop]: Interpolant automaton has 40 states [2021-07-14 13:18:52,273 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:18:52,273 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2021-07-14 13:18:52,273 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=218, Invalid=1342, Unknown=0, NotChecked=0, Total=1560 [2021-07-14 13:18:52,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:18:52,273 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:18:52,274 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 40 states, 40 states have (on average 1.675) internal successors, (67), 40 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) [2021-07-14 13:18:52,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:18:52,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:18:52,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:18:52,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:18:52,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:18:52,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:18:52,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:18:52,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:18:52,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:18:52,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 13:18:52,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 13:18:52,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:18:52,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:18:52,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 13:18:52,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-14 13:18:52,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 13:18:52,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-14 13:18:52,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 13:18:52,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 13:18:52,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2021-07-14 13:18:52,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2021-07-14 13:18:52,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2021-07-14 13:18:52,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-07-14 13:18:52,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-14 13:18:52,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-14 13:18:52,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-07-14 13:18:52,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 13:18:52,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-07-14 13:18:52,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-07-14 13:18:52,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-07-14 13:18:52,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:18:54,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:18:54,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:18:54,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:18:54,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:18:54,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:18:54,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:18:54,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:18:54,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:18:54,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:18:54,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 13:18:54,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 13:18:54,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:18:54,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:18:54,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 13:18:54,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-14 13:18:54,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 13:18:54,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-14 13:18:54,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 13:18:54,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 13:18:54,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-07-14 13:18:54,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-07-14 13:18:54,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-07-14 13:18:54,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-07-14 13:18:54,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-14 13:18:54,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-14 13:18:54,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-07-14 13:18:54,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 13:18:54,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-07-14 13:18:54,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-07-14 13:18:54,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-07-14 13:18:54,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 13:18:54,323 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable253,31 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 13:18:54,323 INFO L430 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr9INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:18:54,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:18:54,324 INFO L82 PathProgramCache]: Analyzing trace with hash 134042670, now seen corresponding path program 15 times [2021-07-14 13:18:54,324 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:18:54,324 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [190904328] [2021-07-14 13:18:54,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:18:54,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:18:54,751 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:18:54,752 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:18:54,752 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [190904328] [2021-07-14 13:18:54,752 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [190904328] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:18:54,752 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [121791938] [2021-07-14 13:18:54,752 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 32 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 32 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 13:18:54,793 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-07-14 13:18:54,793 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 13:18:54,794 INFO L263 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 57 conjunts are in the unsatisfiable core [2021-07-14 13:18:54,794 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 13:18:55,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:18:55,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:18:55,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:18:55,412 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:18:55,412 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 11 case distinctions, treesize of input 37 treesize of output 119 [2021-07-14 13:18:55,966 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 4 xjuncts. [2021-07-14 13:18:56,429 WARN L205 SmtUtils]: Spent 462.00 ms on a formula simplification. DAG size of input: 315 DAG size of output: 44 [2021-07-14 13:18:56,430 INFO L628 ElimStorePlain]: treesize reduction 1764, result has 4.6 percent of original size [2021-07-14 13:18:56,441 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 13:18:56,441 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:50, output treesize:161 [2021-07-14 13:18:56,723 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:18:56,723 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [121791938] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:18:56,723 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 13:18:56,723 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22] total 41 [2021-07-14 13:18:56,723 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1799496057] [2021-07-14 13:18:56,723 INFO L462 AbstractCegarLoop]: Interpolant automaton has 41 states [2021-07-14 13:18:56,724 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:18:56,724 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2021-07-14 13:18:56,724 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=152, Invalid=1488, Unknown=0, NotChecked=0, Total=1640 [2021-07-14 13:18:56,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:18:56,724 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:18:56,724 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 41 states, 41 states have (on average 1.6341463414634145) internal successors, (67), 41 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) [2021-07-14 13:18:56,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:18:56,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:18:56,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:18:56,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:18:56,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:18:56,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:18:56,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:18:56,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:18:56,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:18:56,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 13:18:56,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 13:18:56,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:18:56,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:18:56,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 13:18:56,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-14 13:18:56,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 13:18:56,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-14 13:18:56,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 13:18:56,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 13:18:56,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2021-07-14 13:18:56,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2021-07-14 13:18:56,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2021-07-14 13:18:56,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-07-14 13:18:56,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-14 13:18:56,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-14 13:18:56,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-07-14 13:18:56,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 13:18:56,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-07-14 13:18:56,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-07-14 13:18:56,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-07-14 13:18:56,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 13:18:56,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:18:57,332 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 39 [2021-07-14 13:18:57,962 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 50 [2021-07-14 13:18:58,417 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 46 [2021-07-14 13:18:58,925 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 56 [2021-07-14 13:18:59,117 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-07-14 13:18:59,522 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 64 [2021-07-14 13:19:00,019 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 67 [2021-07-14 13:19:00,231 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 46 [2021-07-14 13:19:00,611 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 72 [2021-07-14 13:19:00,818 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 46 [2021-07-14 13:19:01,371 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 47 [2021-07-14 13:19:02,501 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 43 [2021-07-14 13:19:02,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:19:02,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:19:02,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:19:02,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:19:02,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:19:02,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:19:02,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:19:02,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:19:02,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:19:02,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 13:19:02,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 13:19:02,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:19:02,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:19:02,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 13:19:02,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-14 13:19:02,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 13:19:02,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-14 13:19:02,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 13:19:02,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 13:19:02,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-07-14 13:19:02,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-07-14 13:19:02,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-07-14 13:19:02,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-07-14 13:19:02,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-14 13:19:02,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-14 13:19:02,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-07-14 13:19:02,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 13:19:02,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-07-14 13:19:02,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 13:19:02,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 13:19:02,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-07-14 13:19:02,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-07-14 13:19:02,872 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable257 [2021-07-14 13:19:02,873 INFO L430 AbstractCegarLoop]: === Iteration 33 === [ULTIMATE.startErr9INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:19:02,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:19:02,873 INFO L82 PathProgramCache]: Analyzing trace with hash -642378898, now seen corresponding path program 16 times [2021-07-14 13:19:02,873 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:19:02,873 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1879526462] [2021-07-14 13:19:02,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:19:02,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:19:03,231 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:19:03,231 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:19:03,231 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1879526462] [2021-07-14 13:19:03,231 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1879526462] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:19:03,231 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1279979193] [2021-07-14 13:19:03,231 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 33 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 33 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 13:19:03,287 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 13:19:03,287 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 13:19:03,288 INFO L263 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 57 conjunts are in the unsatisfiable core [2021-07-14 13:19:03,289 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 13:19:03,903 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 17 [2021-07-14 13:19:03,904 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 13:19:03,906 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:19:03,906 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 13:19:03,906 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:33, output treesize:7 [2021-07-14 13:19:03,952 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:19:03,952 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1279979193] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:19:03,952 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 13:19:03,952 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 20] total 39 [2021-07-14 13:19:03,952 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [343449410] [2021-07-14 13:19:03,953 INFO L462 AbstractCegarLoop]: Interpolant automaton has 39 states [2021-07-14 13:19:03,953 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:19:03,953 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2021-07-14 13:19:03,953 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=1375, Unknown=0, NotChecked=0, Total=1482 [2021-07-14 13:19:03,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:19:03,953 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:19:03,953 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 39 states, 39 states have (on average 1.7179487179487178) internal successors, (67), 39 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) [2021-07-14 13:19:03,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:19:03,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:19:03,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:19:03,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:19:03,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:19:03,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:19:03,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:19:03,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:19:03,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:19:03,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 13:19:03,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 13:19:03,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:19:03,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:19:03,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 13:19:03,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-14 13:19:03,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 13:19:03,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-14 13:19:03,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 13:19:03,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 13:19:03,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2021-07-14 13:19:03,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2021-07-14 13:19:03,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2021-07-14 13:19:03,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-07-14 13:19:03,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-14 13:19:03,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-14 13:19:03,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-07-14 13:19:03,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 13:19:03,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-07-14 13:19:03,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 13:19:03,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 13:19:03,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-07-14 13:19:03,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-07-14 13:19:03,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:19:09,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:19:09,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:19:09,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:19:09,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:19:09,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:19:09,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:19:09,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:19:09,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:19:09,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:19:09,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 13:19:09,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 13:19:09,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:19:09,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:19:09,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 13:19:09,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-14 13:19:09,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 13:19:09,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-14 13:19:09,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 13:19:09,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 13:19:09,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-07-14 13:19:09,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-07-14 13:19:09,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-07-14 13:19:09,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-07-14 13:19:09,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-14 13:19:09,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-14 13:19:09,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-07-14 13:19:09,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 13:19:09,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-07-14 13:19:09,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 13:19:09,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 13:19:09,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-07-14 13:19:09,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-07-14 13:19:09,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2021-07-14 13:19:09,454 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable311 [2021-07-14 13:19:09,454 INFO L430 AbstractCegarLoop]: === Iteration 34 === [ULTIMATE.startErr9INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:19:09,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:19:09,455 INFO L82 PathProgramCache]: Analyzing trace with hash 1935651790, now seen corresponding path program 17 times [2021-07-14 13:19:09,455 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:19:09,455 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1885417701] [2021-07-14 13:19:09,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:19:09,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:19:09,820 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:19:09,820 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:19:09,820 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1885417701] [2021-07-14 13:19:09,820 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1885417701] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:19:09,820 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [482507148] [2021-07-14 13:19:09,820 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 34 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 34 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 13:19:09,860 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2021-07-14 13:19:09,861 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 13:19:09,861 INFO L263 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 57 conjunts are in the unsatisfiable core [2021-07-14 13:19:09,862 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 13:19:10,415 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 17 [2021-07-14 13:19:10,415 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 13:19:10,417 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:19:10,417 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 13:19:10,417 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:33, output treesize:7 [2021-07-14 13:19:10,457 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:19:10,457 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [482507148] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:19:10,457 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 13:19:10,458 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 20] total 39 [2021-07-14 13:19:10,458 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [760099992] [2021-07-14 13:19:10,458 INFO L462 AbstractCegarLoop]: Interpolant automaton has 39 states [2021-07-14 13:19:10,458 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:19:10,458 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2021-07-14 13:19:10,459 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=1375, Unknown=0, NotChecked=0, Total=1482 [2021-07-14 13:19:10,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:19:10,459 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:19:10,459 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 39 states, 39 states have (on average 1.7179487179487178) internal successors, (67), 39 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) [2021-07-14 13:19:10,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:19:10,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:19:10,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:19:10,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:19:10,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:19:10,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:19:10,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:19:10,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:19:10,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:19:10,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 13:19:10,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 13:19:10,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:19:10,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:19:10,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 13:19:10,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-14 13:19:10,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 13:19:10,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-14 13:19:10,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 13:19:10,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 13:19:10,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2021-07-14 13:19:10,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2021-07-14 13:19:10,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2021-07-14 13:19:10,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-07-14 13:19:10,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-14 13:19:10,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-14 13:19:10,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-07-14 13:19:10,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 13:19:10,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-07-14 13:19:10,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 13:19:10,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 13:19:10,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-07-14 13:19:10,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-07-14 13:19:10,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2021-07-14 13:19:10,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:19:13,523 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 68 [2021-07-14 13:19:14,369 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 75 [2021-07-14 13:19:15,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:19:15,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:19:15,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:19:15,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:19:15,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:19:15,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:19:15,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:19:15,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:19:15,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:19:15,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 13:19:15,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 13:19:15,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:19:15,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:19:15,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 13:19:15,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-14 13:19:15,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 13:19:15,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-14 13:19:15,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 13:19:15,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 13:19:15,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-07-14 13:19:15,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-07-14 13:19:15,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-07-14 13:19:15,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-07-14 13:19:15,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-14 13:19:15,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-14 13:19:15,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-07-14 13:19:15,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 13:19:15,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-07-14 13:19:15,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 13:19:15,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 13:19:15,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-07-14 13:19:15,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-07-14 13:19:15,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2021-07-14 13:19:15,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2021-07-14 13:19:15,882 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable312 [2021-07-14 13:19:15,882 INFO L430 AbstractCegarLoop]: === Iteration 35 === [ULTIMATE.startErr9INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:19:15,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:19:15,882 INFO L82 PathProgramCache]: Analyzing trace with hash -1351017522, now seen corresponding path program 18 times [2021-07-14 13:19:15,882 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:19:15,882 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [563821158] [2021-07-14 13:19:15,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:19:15,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:19:16,246 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:19:16,246 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:19:16,246 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [563821158] [2021-07-14 13:19:16,247 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [563821158] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:19:16,247 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [290229535] [2021-07-14 13:19:16,247 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 35 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 35 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 13:19:16,291 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-07-14 13:19:16,291 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 13:19:16,292 INFO L263 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 58 conjunts are in the unsatisfiable core [2021-07-14 13:19:16,293 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 13:19:16,995 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 13:19:16,996 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 17 [2021-07-14 13:19:16,996 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 13:19:17,000 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:19:17,001 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 13:19:17,001 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:39, output treesize:5 [2021-07-14 13:19:17,042 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:19:17,042 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [290229535] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:19:17,042 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 13:19:17,042 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 21] total 40 [2021-07-14 13:19:17,043 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371351077] [2021-07-14 13:19:17,043 INFO L462 AbstractCegarLoop]: Interpolant automaton has 40 states [2021-07-14 13:19:17,043 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:19:17,043 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2021-07-14 13:19:17,044 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=1439, Unknown=0, NotChecked=0, Total=1560 [2021-07-14 13:19:17,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:19:17,044 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:19:17,044 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 40 states, 40 states have (on average 1.675) internal successors, (67), 40 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) [2021-07-14 13:19:17,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:19:17,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:19:17,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:19:17,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:19:17,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:19:17,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:19:17,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:19:17,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:19:17,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:19:17,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 13:19:17,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 13:19:17,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:19:17,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:19:17,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 13:19:17,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-14 13:19:17,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 13:19:17,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-14 13:19:17,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 13:19:17,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 13:19:17,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2021-07-14 13:19:17,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2021-07-14 13:19:17,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2021-07-14 13:19:17,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-07-14 13:19:17,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-14 13:19:17,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-14 13:19:17,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-07-14 13:19:17,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 13:19:17,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-07-14 13:19:17,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 13:19:17,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 13:19:17,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-07-14 13:19:17,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-07-14 13:19:17,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2021-07-14 13:19:17,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2021-07-14 13:19:17,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:19:20,608 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 89 [2021-07-14 13:19:21,233 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 77 [2021-07-14 13:19:21,794 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 79 [2021-07-14 13:19:23,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:19:23,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:19:23,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:19:23,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:19:23,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:19:23,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:19:23,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:19:23,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:19:23,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:19:23,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 13:19:23,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 13:19:23,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:19:23,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:19:23,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 13:19:23,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-14 13:19:23,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 13:19:23,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-14 13:19:23,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 13:19:23,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 13:19:23,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-07-14 13:19:23,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-07-14 13:19:23,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-07-14 13:19:23,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-07-14 13:19:23,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-14 13:19:23,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-14 13:19:23,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-07-14 13:19:23,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 13:19:23,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-07-14 13:19:23,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 13:19:23,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 13:19:23,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-07-14 13:19:23,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-07-14 13:19:23,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2021-07-14 13:19:23,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2021-07-14 13:19:23,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2021-07-14 13:19:23,343 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable313 [2021-07-14 13:19:23,343 INFO L430 AbstractCegarLoop]: === Iteration 36 === [ULTIMATE.startErr9INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:19:23,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:19:23,343 INFO L82 PathProgramCache]: Analyzing trace with hash 1227013166, now seen corresponding path program 19 times [2021-07-14 13:19:23,343 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:19:23,343 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2034878524] [2021-07-14 13:19:23,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:19:23,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:19:23,676 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:19:23,676 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:19:23,676 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2034878524] [2021-07-14 13:19:23,676 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2034878524] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:19:23,676 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1091708392] [2021-07-14 13:19:23,676 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 36 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 36 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 13:19:23,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:19:23,715 INFO L263 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 57 conjunts are in the unsatisfiable core [2021-07-14 13:19:23,716 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 13:19:24,242 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 17 [2021-07-14 13:19:24,243 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 13:19:24,244 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:19:24,244 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 13:19:24,244 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:33, output treesize:7 [2021-07-14 13:19:24,283 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:19:24,284 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1091708392] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:19:24,284 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 13:19:24,284 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 20] total 39 [2021-07-14 13:19:24,284 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1788978083] [2021-07-14 13:19:24,284 INFO L462 AbstractCegarLoop]: Interpolant automaton has 39 states [2021-07-14 13:19:24,284 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:19:24,284 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2021-07-14 13:19:24,285 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=1375, Unknown=0, NotChecked=0, Total=1482 [2021-07-14 13:19:24,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:19:24,285 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:19:24,285 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 39 states, 39 states have (on average 1.7179487179487178) internal successors, (67), 39 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) [2021-07-14 13:19:24,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:19:24,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:19:24,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:19:24,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:19:24,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:19:24,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:19:24,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:19:24,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:19:24,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:19:24,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 13:19:24,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 13:19:24,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:19:24,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:19:24,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 13:19:24,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-14 13:19:24,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 13:19:24,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-14 13:19:24,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 13:19:24,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 13:19:24,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2021-07-14 13:19:24,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2021-07-14 13:19:24,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2021-07-14 13:19:24,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-07-14 13:19:24,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-14 13:19:24,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-14 13:19:24,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-07-14 13:19:24,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 13:19:24,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-07-14 13:19:24,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 13:19:24,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 13:19:24,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-07-14 13:19:24,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-07-14 13:19:24,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2021-07-14 13:19:24,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2021-07-14 13:19:24,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2021-07-14 13:19:24,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:19:28,238 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 70 [2021-07-14 13:19:29,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:19:29,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:19:29,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:19:29,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:19:29,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:19:29,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:19:29,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:19:29,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:19:29,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:19:29,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 13:19:29,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 13:19:29,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:19:29,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:19:29,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 13:19:29,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-14 13:19:29,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 13:19:29,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-14 13:19:29,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 13:19:29,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 13:19:29,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-07-14 13:19:29,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-07-14 13:19:29,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-07-14 13:19:29,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-07-14 13:19:29,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-14 13:19:29,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-14 13:19:29,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-07-14 13:19:29,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 13:19:29,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-07-14 13:19:29,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 13:19:29,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 13:19:29,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 13:19:29,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-07-14 13:19:29,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2021-07-14 13:19:29,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2021-07-14 13:19:29,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2021-07-14 13:19:29,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2021-07-14 13:19:29,889 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable314,36 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 13:19:29,889 INFO L430 AbstractCegarLoop]: === Iteration 37 === [ULTIMATE.startErr9INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:19:29,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:19:29,889 INFO L82 PathProgramCache]: Analyzing trace with hash 1255703502, now seen corresponding path program 20 times [2021-07-14 13:19:29,889 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:19:29,889 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [957656966] [2021-07-14 13:19:29,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:19:29,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:19:30,253 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:19:30,254 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:19:30,254 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [957656966] [2021-07-14 13:19:30,254 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [957656966] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:19:30,254 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1911246995] [2021-07-14 13:19:30,254 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 37 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 37 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 13:19:30,297 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 13:19:30,297 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 13:19:30,298 INFO L263 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 58 conjunts are in the unsatisfiable core [2021-07-14 13:19:30,299 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 13:19:30,834 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:19:30,834 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 33 treesize of output 49 [2021-07-14 13:19:30,839 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-07-14 13:19:30,845 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:19:30,845 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 13:19:30,845 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:39, output treesize:17 [2021-07-14 13:19:30,926 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:19:30,926 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1911246995] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:19:30,926 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 13:19:30,926 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 21] total 40 [2021-07-14 13:19:30,927 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1333624535] [2021-07-14 13:19:30,927 INFO L462 AbstractCegarLoop]: Interpolant automaton has 40 states [2021-07-14 13:19:30,927 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:19:30,927 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2021-07-14 13:19:30,927 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=165, Invalid=1395, Unknown=0, NotChecked=0, Total=1560 [2021-07-14 13:19:30,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:19:30,928 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:19:30,928 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 40 states, 40 states have (on average 1.7) internal successors, (68), 40 states have internal predecessors, (68), 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) [2021-07-14 13:19:30,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:19:30,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:19:30,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:19:30,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:19:30,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:19:30,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:19:30,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:19:30,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:19:30,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:19:30,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 13:19:30,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 13:19:30,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:19:30,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:19:30,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 13:19:30,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-14 13:19:30,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 13:19:30,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-14 13:19:30,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 13:19:30,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 13:19:30,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2021-07-14 13:19:30,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2021-07-14 13:19:30,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2021-07-14 13:19:30,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-07-14 13:19:30,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-14 13:19:30,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-14 13:19:30,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-07-14 13:19:30,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 13:19:30,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-07-14 13:19:30,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 13:19:30,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 13:19:30,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 13:19:30,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-07-14 13:19:30,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2021-07-14 13:19:30,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2021-07-14 13:19:30,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2021-07-14 13:19:30,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2021-07-14 13:19:30,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:19:33,046 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 70 [2021-07-14 13:19:34,030 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 72 [2021-07-14 13:19:35,218 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 79 [2021-07-14 13:19:35,415 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 66 [2021-07-14 13:19:35,930 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 61 [2021-07-14 13:19:35,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:19:35,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:19:35,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:19:35,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:19:35,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:19:35,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:19:35,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:19:35,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:19:35,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:19:35,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 13:19:35,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 13:19:35,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:19:35,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:19:35,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 13:19:35,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-14 13:19:35,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 13:19:35,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-14 13:19:35,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 13:19:35,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 13:19:35,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-07-14 13:19:35,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-07-14 13:19:35,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-07-14 13:19:35,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-07-14 13:19:35,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-14 13:19:35,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-14 13:19:35,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-07-14 13:19:35,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 13:19:35,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-07-14 13:19:35,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 13:19:35,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 13:19:35,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 13:19:35,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-07-14 13:19:35,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2021-07-14 13:19:35,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2021-07-14 13:19:35,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2021-07-14 13:19:35,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2021-07-14 13:19:35,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2021-07-14 13:19:36,163 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable315 [2021-07-14 13:19:36,163 INFO L430 AbstractCegarLoop]: === Iteration 38 === [ULTIMATE.startErr9INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:19:36,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:19:36,164 INFO L82 PathProgramCache]: Analyzing trace with hash -461233106, now seen corresponding path program 21 times [2021-07-14 13:19:36,164 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:19:36,164 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [741542236] [2021-07-14 13:19:36,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:19:36,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:19:36,543 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:19:36,543 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:19:36,543 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [741542236] [2021-07-14 13:19:36,543 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [741542236] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:19:36,543 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1419451187] [2021-07-14 13:19:36,543 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 38 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 38 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 13:19:36,586 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-07-14 13:19:36,586 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 13:19:36,587 INFO L263 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 57 conjunts are in the unsatisfiable core [2021-07-14 13:19:36,587 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 13:19:37,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:19:37,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:19:37,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:19:37,377 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:19:37,378 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 11 case distinctions, treesize of input 37 treesize of output 119 [2021-07-14 13:19:37,831 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2021-07-14 13:19:38,235 WARN L205 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 355 DAG size of output: 45 [2021-07-14 13:19:38,235 INFO L628 ElimStorePlain]: treesize reduction 2179, result has 3.8 percent of original size [2021-07-14 13:19:38,242 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 13:19:38,242 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:50, output treesize:143 [2021-07-14 13:19:38,496 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:19:38,496 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1419451187] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:19:38,497 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 13:19:38,497 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22] total 41 [2021-07-14 13:19:38,497 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1798535214] [2021-07-14 13:19:38,497 INFO L462 AbstractCegarLoop]: Interpolant automaton has 41 states [2021-07-14 13:19:38,497 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:19:38,497 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2021-07-14 13:19:38,497 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=1531, Unknown=0, NotChecked=0, Total=1640 [2021-07-14 13:19:38,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:19:38,498 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:19:38,498 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 41 states, 41 states have (on average 1.6585365853658536) internal successors, (68), 41 states have internal predecessors, (68), 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) [2021-07-14 13:19:38,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:19:38,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:19:38,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:19:38,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:19:38,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:19:38,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:19:38,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:19:38,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:19:38,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:19:38,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 13:19:38,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 13:19:38,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:19:38,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:19:38,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 13:19:38,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-14 13:19:38,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 13:19:38,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-14 13:19:38,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 13:19:38,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 13:19:38,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2021-07-14 13:19:38,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2021-07-14 13:19:38,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2021-07-14 13:19:38,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-07-14 13:19:38,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-14 13:19:38,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-14 13:19:38,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-07-14 13:19:38,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 13:19:38,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-07-14 13:19:38,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 13:19:38,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 13:19:38,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 13:19:38,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-07-14 13:19:38,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2021-07-14 13:19:38,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2021-07-14 13:19:38,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2021-07-14 13:19:38,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2021-07-14 13:19:38,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2021-07-14 13:19:38,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:19:39,415 WARN L205 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 81 [2021-07-14 13:19:39,780 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 69 [2021-07-14 13:19:40,017 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 59 [2021-07-14 13:19:40,205 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 50 [2021-07-14 13:19:40,486 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 72 [2021-07-14 13:19:42,022 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 76 [2021-07-14 13:19:43,467 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 84 [2021-07-14 13:19:43,785 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 81 [2021-07-14 13:19:44,034 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 80 [2021-07-14 13:19:45,133 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 73 [2021-07-14 13:19:45,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:19:45,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:19:45,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:19:45,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:19:45,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:19:45,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:19:45,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:19:45,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:19:45,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:19:45,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 13:19:45,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 13:19:45,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:19:45,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:19:45,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 13:19:45,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-14 13:19:45,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 13:19:45,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-14 13:19:45,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 13:19:45,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 13:19:45,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-07-14 13:19:45,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-07-14 13:19:45,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-07-14 13:19:45,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-07-14 13:19:45,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-14 13:19:45,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-14 13:19:45,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-07-14 13:19:45,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 13:19:45,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-07-14 13:19:45,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 13:19:45,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 13:19:45,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 13:19:45,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-07-14 13:19:45,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2021-07-14 13:19:45,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2021-07-14 13:19:45,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2021-07-14 13:19:45,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2021-07-14 13:19:45,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2021-07-14 13:19:45,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-07-14 13:19:45,396 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable319 [2021-07-14 13:19:45,396 INFO L430 AbstractCegarLoop]: === Iteration 39 === [ULTIMATE.startErr9INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:19:45,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:19:45,396 INFO L82 PathProgramCache]: Analyzing trace with hash 547064878, now seen corresponding path program 22 times [2021-07-14 13:19:45,397 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:19:45,397 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [57394677] [2021-07-14 13:19:45,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:19:45,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:19:45,751 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:19:45,751 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:19:45,751 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [57394677] [2021-07-14 13:19:45,751 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [57394677] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:19:45,752 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [692104824] [2021-07-14 13:19:45,752 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 39 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 39 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 13:19:45,790 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 13:19:45,790 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 13:19:45,791 INFO L263 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 57 conjunts are in the unsatisfiable core [2021-07-14 13:19:45,791 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 13:19:46,321 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 17 [2021-07-14 13:19:46,321 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 13:19:46,323 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:19:46,323 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 13:19:46,323 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:33, output treesize:5 [2021-07-14 13:19:46,363 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:19:46,363 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [692104824] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:19:46,363 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 13:19:46,364 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 20] total 39 [2021-07-14 13:19:46,364 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [124383693] [2021-07-14 13:19:46,364 INFO L462 AbstractCegarLoop]: Interpolant automaton has 39 states [2021-07-14 13:19:46,364 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:19:46,364 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2021-07-14 13:19:46,364 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=1375, Unknown=0, NotChecked=0, Total=1482 [2021-07-14 13:19:46,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:19:46,365 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:19:46,365 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 39 states, 39 states have (on average 1.7179487179487178) internal successors, (67), 39 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) [2021-07-14 13:19:46,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:19:46,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:19:46,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:19:46,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:19:46,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:19:46,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:19:46,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:19:46,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:19:46,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:19:46,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 13:19:46,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 13:19:46,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:19:46,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:19:46,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 13:19:46,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-14 13:19:46,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 13:19:46,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-14 13:19:46,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 13:19:46,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 13:19:46,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2021-07-14 13:19:46,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2021-07-14 13:19:46,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2021-07-14 13:19:46,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-07-14 13:19:46,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-14 13:19:46,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-14 13:19:46,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-07-14 13:19:46,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 13:19:46,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-07-14 13:19:46,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 13:19:46,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 13:19:46,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 13:19:46,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-07-14 13:19:46,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2021-07-14 13:19:46,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2021-07-14 13:19:46,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2021-07-14 13:19:46,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2021-07-14 13:19:46,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2021-07-14 13:19:46,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2021-07-14 13:19:46,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:19:48,486 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 67 [2021-07-14 13:19:49,344 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 68 [2021-07-14 13:19:50,171 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 83 [2021-07-14 13:19:51,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:19:51,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:19:51,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:19:51,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:19:51,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:19:51,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:19:51,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:19:51,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:19:51,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:19:51,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 13:19:51,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 13:19:51,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:19:51,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:19:51,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 13:19:51,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-14 13:19:51,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 13:19:51,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-14 13:19:51,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 13:19:51,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 13:19:51,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-07-14 13:19:51,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-07-14 13:19:51,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-07-14 13:19:51,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-07-14 13:19:51,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-07-14 13:19:51,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-14 13:19:51,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-07-14 13:19:51,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-14 13:19:51,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-07-14 13:19:51,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 13:19:51,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 13:19:51,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 13:19:51,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-07-14 13:19:51,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2021-07-14 13:19:51,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2021-07-14 13:19:51,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2021-07-14 13:19:51,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2021-07-14 13:19:51,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2021-07-14 13:19:51,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-07-14 13:19:51,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2021-07-14 13:19:51,477 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable363,39 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 13:19:51,477 INFO L430 AbstractCegarLoop]: === Iteration 40 === [ULTIMATE.startErr9INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:19:51,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:19:51,477 INFO L82 PathProgramCache]: Analyzing trace with hash -1169871730, now seen corresponding path program 4 times [2021-07-14 13:19:51,478 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:19:51,478 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [934396495] [2021-07-14 13:19:51,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:19:51,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:19:51,836 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:19:51,836 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:19:51,836 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [934396495] [2021-07-14 13:19:51,836 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [934396495] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:19:51,836 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [391414148] [2021-07-14 13:19:51,836 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 40 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 40 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 13:19:51,877 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 13:19:51,877 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 13:19:51,878 INFO L263 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 57 conjunts are in the unsatisfiable core [2021-07-14 13:19:51,879 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 13:19:52,415 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 17 [2021-07-14 13:19:52,417 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 13:19:52,418 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:19:52,418 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 13:19:52,418 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:33, output treesize:7 [2021-07-14 13:19:52,462 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:19:52,462 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [391414148] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:19:52,462 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 13:19:52,462 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 20] total 39 [2021-07-14 13:19:52,463 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [169755305] [2021-07-14 13:19:52,463 INFO L462 AbstractCegarLoop]: Interpolant automaton has 39 states [2021-07-14 13:19:52,463 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:19:52,463 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2021-07-14 13:19:52,463 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=1375, Unknown=0, NotChecked=0, Total=1482 [2021-07-14 13:19:52,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:19:52,464 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:19:52,464 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 39 states, 39 states have (on average 1.7179487179487178) internal successors, (67), 39 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) [2021-07-14 13:19:52,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:19:52,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:19:52,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:19:52,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:19:52,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:19:52,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:19:52,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:19:52,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:19:52,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:19:52,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 13:19:52,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 13:19:52,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:19:52,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:19:52,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 13:19:52,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-14 13:19:52,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 13:19:52,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-14 13:19:52,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 13:19:52,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 13:19:52,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2021-07-14 13:19:52,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2021-07-14 13:19:52,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2021-07-14 13:19:52,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-07-14 13:19:52,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-07-14 13:19:52,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-14 13:19:52,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-07-14 13:19:52,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-07-14 13:19:52,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-07-14 13:19:52,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 13:19:52,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 13:19:52,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-07-14 13:19:52,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-07-14 13:19:52,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2021-07-14 13:19:52,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2021-07-14 13:19:52,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2021-07-14 13:19:52,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2021-07-14 13:19:52,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2021-07-14 13:19:52,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2021-07-14 13:19:52,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 85 states. [2021-07-14 13:19:52,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:19:58,585 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 62 [2021-07-14 13:20:00,612 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 62 [2021-07-14 13:20:01,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:20:01,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:20:01,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:20:01,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:20:01,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:20:01,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:20:01,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:20:01,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:20:01,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:20:01,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 13:20:01,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 13:20:01,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:20:01,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:20:01,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 13:20:01,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-14 13:20:01,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 13:20:01,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-14 13:20:01,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 13:20:01,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 13:20:01,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-07-14 13:20:01,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-07-14 13:20:01,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-07-14 13:20:01,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-07-14 13:20:01,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-07-14 13:20:01,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-07-14 13:20:01,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2021-07-14 13:20:01,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-14 13:20:01,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-14 13:20:01,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-07-14 13:20:01,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-14 13:20:01,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-14 13:20:01,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2021-07-14 13:20:01,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-07-14 13:20:01,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-07-14 13:20:01,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2021-07-14 13:20:01,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-07-14 13:20:01,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2021-07-14 13:20:01,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-07-14 13:20:01,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-07-14 13:20:01,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2021-07-14 13:20:01,706 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable364 [2021-07-14 13:20:01,706 INFO L430 AbstractCegarLoop]: === Iteration 41 === [ULTIMATE.startErr9INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:20:01,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:20:01,706 INFO L82 PathProgramCache]: Analyzing trace with hash -1273496112, now seen corresponding path program 10 times [2021-07-14 13:20:01,706 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:20:01,706 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1359259027] [2021-07-14 13:20:01,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:20:01,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:20:02,380 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 4 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:20:02,380 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:20:02,380 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1359259027] [2021-07-14 13:20:02,380 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1359259027] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:20:02,380 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1460463496] [2021-07-14 13:20:02,380 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 41 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 41 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 13:20:02,430 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 13:20:02,430 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 13:20:02,432 INFO L263 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 69 conjunts are in the unsatisfiable core [2021-07-14 13:20:02,433 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 13:20:03,256 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 19 [2021-07-14 13:20:03,257 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 13:20:03,258 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:20:03,258 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 13:20:03,258 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:39, output treesize:7 [2021-07-14 13:20:03,327 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:20:03,327 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1460463496] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:20:03,327 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 13:20:03,327 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 24] total 47 [2021-07-14 13:20:03,327 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [979040325] [2021-07-14 13:20:03,327 INFO L462 AbstractCegarLoop]: Interpolant automaton has 47 states [2021-07-14 13:20:03,328 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:20:03,328 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2021-07-14 13:20:03,329 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=205, Invalid=1957, Unknown=0, NotChecked=0, Total=2162 [2021-07-14 13:20:03,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:20:03,329 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:20:03,329 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 47 states, 47 states have (on average 1.5957446808510638) internal successors, (75), 47 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) [2021-07-14 13:20:03,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:20:03,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:20:03,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:20:03,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:20:03,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:20:03,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:20:03,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:20:03,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:20:03,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:20:03,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 13:20:03,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 13:20:03,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:20:03,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:20:03,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 13:20:03,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-14 13:20:03,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 13:20:03,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-14 13:20:03,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 13:20:03,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 13:20:03,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2021-07-14 13:20:03,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2021-07-14 13:20:03,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2021-07-14 13:20:03,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-07-14 13:20:03,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-07-14 13:20:03,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-07-14 13:20:03,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2021-07-14 13:20:03,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-14 13:20:03,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-14 13:20:03,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-07-14 13:20:03,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-14 13:20:03,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-14 13:20:03,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2021-07-14 13:20:03,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-07-14 13:20:03,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2021-07-14 13:20:03,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2021-07-14 13:20:03,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-07-14 13:20:03,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2021-07-14 13:20:03,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2021-07-14 13:20:03,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-07-14 13:20:03,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2021-07-14 13:20:03,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:20:07,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:20:07,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:20:07,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:20:07,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:20:07,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:20:07,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:20:07,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:20:07,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:20:07,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:20:07,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 13:20:07,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 13:20:07,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:20:07,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:20:07,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 13:20:07,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-14 13:20:07,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 13:20:07,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-14 13:20:07,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 13:20:07,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 13:20:07,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-07-14 13:20:07,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-07-14 13:20:07,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-07-14 13:20:07,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-07-14 13:20:07,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-07-14 13:20:07,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-07-14 13:20:07,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2021-07-14 13:20:07,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-14 13:20:07,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-14 13:20:07,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-07-14 13:20:07,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-14 13:20:07,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-14 13:20:07,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2021-07-14 13:20:07,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-07-14 13:20:07,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-07-14 13:20:07,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2021-07-14 13:20:07,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-07-14 13:20:07,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2021-07-14 13:20:07,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-07-14 13:20:07,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-07-14 13:20:07,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2021-07-14 13:20:07,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-14 13:20:07,265 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable365,41 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 13:20:07,265 INFO L430 AbstractCegarLoop]: === Iteration 42 === [ULTIMATE.startErr9INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:20:07,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:20:07,266 INFO L82 PathProgramCache]: Analyzing trace with hash 1785646577, now seen corresponding path program 11 times [2021-07-14 13:20:07,266 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:20:07,266 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1977883404] [2021-07-14 13:20:07,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:20:07,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:20:07,347 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 36 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:20:07,348 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:20:07,348 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1977883404] [2021-07-14 13:20:07,348 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1977883404] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:20:07,348 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1635210257] [2021-07-14 13:20:07,348 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 42 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 42 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 13:20:07,391 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2021-07-14 13:20:07,391 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 13:20:07,392 INFO L263 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 14 conjunts are in the unsatisfiable core [2021-07-14 13:20:07,392 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 13:20:07,586 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 36 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:20:07,587 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1635210257] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:20:07,587 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 13:20:07,587 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 27 [2021-07-14 13:20:07,587 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1324062382] [2021-07-14 13:20:07,587 INFO L462 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-07-14 13:20:07,587 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:20:07,587 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-07-14 13:20:07,588 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=154, Invalid=548, Unknown=0, NotChecked=0, Total=702 [2021-07-14 13:20:07,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:20:07,588 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:20:07,588 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 27 states, 27 states have (on average 2.740740740740741) internal successors, (74), 27 states have internal predecessors, (74), 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) [2021-07-14 13:20:07,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:20:07,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:20:07,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:20:07,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:20:07,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:20:07,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:20:07,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:20:07,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:20:07,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:20:07,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 13:20:07,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 13:20:07,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:20:07,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:20:07,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 13:20:07,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-14 13:20:07,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 13:20:07,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-14 13:20:07,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 13:20:07,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 13:20:07,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2021-07-14 13:20:07,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2021-07-14 13:20:07,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2021-07-14 13:20:07,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-07-14 13:20:07,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-07-14 13:20:07,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-07-14 13:20:07,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2021-07-14 13:20:07,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-14 13:20:07,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-14 13:20:07,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-07-14 13:20:07,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-14 13:20:07,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-14 13:20:07,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2021-07-14 13:20:07,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-07-14 13:20:07,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2021-07-14 13:20:07,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2021-07-14 13:20:07,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-07-14 13:20:07,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2021-07-14 13:20:07,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2021-07-14 13:20:07,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-07-14 13:20:07,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2021-07-14 13:20:07,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-14 13:20:07,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:20:08,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:20:08,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:20:08,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:20:08,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:20:08,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:20:08,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:20:08,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:20:08,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:20:08,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:20:08,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 13:20:08,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 13:20:08,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:20:08,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:20:08,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 13:20:08,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-14 13:20:08,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 13:20:08,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-14 13:20:08,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 13:20:08,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 13:20:08,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-07-14 13:20:08,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-07-14 13:20:08,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-07-14 13:20:08,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-07-14 13:20:08,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-07-14 13:20:08,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-07-14 13:20:08,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2021-07-14 13:20:08,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-14 13:20:08,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-14 13:20:08,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-07-14 13:20:08,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-14 13:20:08,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-14 13:20:08,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2021-07-14 13:20:08,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-07-14 13:20:08,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-07-14 13:20:08,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2021-07-14 13:20:08,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-07-14 13:20:08,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2021-07-14 13:20:08,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-07-14 13:20:08,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-07-14 13:20:08,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2021-07-14 13:20:08,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-14 13:20:08,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-07-14 13:20:08,920 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable366 [2021-07-14 13:20:08,920 INFO L430 AbstractCegarLoop]: === Iteration 43 === [ULTIMATE.startErr9INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:20:08,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:20:08,920 INFO L82 PathProgramCache]: Analyzing trace with hash 1304534576, now seen corresponding path program 23 times [2021-07-14 13:20:08,920 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:20:08,921 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2003035779] [2021-07-14 13:20:08,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:20:08,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:20:09,475 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 10 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:20:09,476 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:20:09,476 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2003035779] [2021-07-14 13:20:09,476 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2003035779] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:20:09,476 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1878640745] [2021-07-14 13:20:09,476 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 43 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 43 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 13:20:09,517 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-07-14 13:20:09,518 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 13:20:09,519 INFO L263 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 69 conjunts are in the unsatisfiable core [2021-07-14 13:20:09,519 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 13:20:10,225 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 19 [2021-07-14 13:20:10,226 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 13:20:10,228 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:20:10,228 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 13:20:10,228 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:39, output treesize:7 [2021-07-14 13:20:10,286 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:20:10,286 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1878640745] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:20:10,286 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 13:20:10,286 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 24] total 47 [2021-07-14 13:20:10,286 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [186847704] [2021-07-14 13:20:10,286 INFO L462 AbstractCegarLoop]: Interpolant automaton has 47 states [2021-07-14 13:20:10,286 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:20:10,287 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2021-07-14 13:20:10,287 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=213, Invalid=1949, Unknown=0, NotChecked=0, Total=2162 [2021-07-14 13:20:10,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:20:10,287 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:20:10,287 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 47 states, 47 states have (on average 1.5957446808510638) internal successors, (75), 47 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) [2021-07-14 13:20:10,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:20:10,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:20:10,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:20:10,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:20:10,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:20:10,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:20:10,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:20:10,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:20:10,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:20:10,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 13:20:10,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 13:20:10,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:20:10,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:20:10,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 13:20:10,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-14 13:20:10,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 13:20:10,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-14 13:20:10,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 13:20:10,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 13:20:10,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2021-07-14 13:20:10,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2021-07-14 13:20:10,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2021-07-14 13:20:10,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-07-14 13:20:10,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-07-14 13:20:10,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-07-14 13:20:10,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2021-07-14 13:20:10,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-14 13:20:10,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-14 13:20:10,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-07-14 13:20:10,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-14 13:20:10,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-14 13:20:10,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2021-07-14 13:20:10,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-07-14 13:20:10,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2021-07-14 13:20:10,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2021-07-14 13:20:10,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-07-14 13:20:10,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2021-07-14 13:20:10,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2021-07-14 13:20:10,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-07-14 13:20:10,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2021-07-14 13:20:10,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-14 13:20:10,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-07-14 13:20:10,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:20:13,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:20:13,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:20:13,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:20:13,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:20:13,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:20:13,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:20:13,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:20:13,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:20:13,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:20:13,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 13:20:13,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 13:20:13,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:20:13,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:20:13,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 13:20:13,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-14 13:20:13,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 13:20:13,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-14 13:20:13,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 13:20:13,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 13:20:13,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-07-14 13:20:13,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-07-14 13:20:13,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-07-14 13:20:13,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-07-14 13:20:13,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-07-14 13:20:13,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-07-14 13:20:13,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2021-07-14 13:20:13,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-14 13:20:13,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-14 13:20:13,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-07-14 13:20:13,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-14 13:20:13,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-14 13:20:13,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2021-07-14 13:20:13,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-07-14 13:20:13,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-07-14 13:20:13,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2021-07-14 13:20:13,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-07-14 13:20:13,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2021-07-14 13:20:13,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-07-14 13:20:13,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-07-14 13:20:13,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2021-07-14 13:20:13,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-14 13:20:13,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-07-14 13:20:13,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-07-14 13:20:13,906 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 43 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable367 [2021-07-14 13:20:13,906 INFO L430 AbstractCegarLoop]: === Iteration 44 === [ULTIMATE.startErr9INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:20:13,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:20:13,906 INFO L82 PathProgramCache]: Analyzing trace with hash -1982134736, now seen corresponding path program 24 times [2021-07-14 13:20:13,907 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:20:13,907 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1087351268] [2021-07-14 13:20:13,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:20:13,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:20:14,444 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 10 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:20:14,444 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:20:14,444 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1087351268] [2021-07-14 13:20:14,444 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1087351268] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:20:14,444 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1455529868] [2021-07-14 13:20:14,444 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 44 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 44 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 13:20:14,486 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2021-07-14 13:20:14,486 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 13:20:14,488 INFO L263 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 67 conjunts are in the unsatisfiable core [2021-07-14 13:20:14,488 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 13:20:15,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:20:15,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:20:15,501 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:20:15,502 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 5 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 16 case distinctions, treesize of input 39 treesize of output 147 [2021-07-14 13:20:15,858 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 357 [2021-07-14 13:20:16,056 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 275 [2021-07-14 13:20:16,753 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 705 DAG size of output: 574 [2021-07-14 13:20:17,089 WARN L205 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 797 DAG size of output: 664 [2021-07-14 13:20:17,593 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 450 DAG size of output: 391 [2021-07-14 13:20:18,154 WARN L205 SmtUtils]: Spent 558.00 ms on a formula simplification. DAG size of input: 1072 DAG size of output: 899 [2021-07-14 13:20:18,942 WARN L205 SmtUtils]: Spent 782.00 ms on a formula simplification. DAG size of input: 1169 DAG size of output: 984 [2021-07-14 13:20:19,620 WARN L205 SmtUtils]: Spent 671.00 ms on a formula simplification. DAG size of input: 1169 DAG size of output: 984 [2021-07-14 13:20:20,283 WARN L205 SmtUtils]: Spent 652.00 ms on a formula simplification. DAG size of input: 1174 DAG size of output: 989 [2021-07-14 13:20:20,822 WARN L205 SmtUtils]: Spent 533.00 ms on a formula simplification. DAG size of input: 860 DAG size of output: 854 [2021-07-14 13:20:21,006 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 279 [2021-07-14 13:20:21,514 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 707 DAG size of output: 626 [2021-07-14 13:20:22,306 WARN L205 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 966 DAG size of output: 859 [2021-07-14 13:20:22,628 WARN L205 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 622 DAG size of output: 625 [2021-07-14 13:20:23,477 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 584 DAG size of output: 500 [2021-07-14 13:20:23,649 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 535 DAG size of output: 538 [2021-07-14 13:20:24,251 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 470 DAG size of output: 473 [2021-07-14 13:20:25,053 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 334 DAG size of output: 396 [2021-07-14 13:20:25,472 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 682 DAG size of output: 628 [2021-07-14 13:20:25,858 WARN L205 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 1220 DAG size of output: 1107 [2021-07-14 13:20:26,642 WARN L205 SmtUtils]: Spent 667.00 ms on a formula simplification. DAG size of input: 1474 DAG size of output: 1322 [2021-07-14 13:20:27,600 WARN L205 SmtUtils]: Spent 950.00 ms on a formula simplification. DAG size of input: 1734 DAG size of output: 1533 [2021-07-14 13:20:28,247 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 578 DAG size of output: 532 [2021-07-14 13:20:30,125 WARN L205 SmtUtils]: Spent 1.87 s on a formula simplification. DAG size of input: 2706 DAG size of output: 2396 [2021-07-14 13:20:31,393 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 508 DAG size of output: 433 [2021-07-14 13:20:31,568 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 627 DAG size of output: 536 [2021-07-14 13:20:31,816 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 679 DAG size of output: 587 [2021-07-14 13:20:32,222 WARN L205 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 798 DAG size of output: 691 [2021-07-14 13:20:35,027 WARN L205 SmtUtils]: Spent 2.80 s on a formula simplification. DAG size of input: 3139 DAG size of output: 2772 [2021-07-14 13:20:37,828 WARN L205 SmtUtils]: Spent 2.79 s on a formula simplification. DAG size of input: 3139 DAG size of output: 2772 [2021-07-14 13:20:40,429 WARN L205 SmtUtils]: Spent 2.55 s on a formula simplification. DAG size of input: 3139 DAG size of output: 2772 [2021-07-14 13:20:42,864 WARN L205 SmtUtils]: Spent 2.42 s on a formula simplification. DAG size of input: 2642 DAG size of output: 2630 [2021-07-14 13:20:42,902 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 4 xjuncts. [2021-07-14 13:21:28,475 WARN L205 SmtUtils]: Spent 45.57 s on a formula simplification. DAG size of input: 2651 DAG size of output: 52 [2021-07-14 13:21:28,475 INFO L628 ElimStorePlain]: treesize reduction 34223, result has 0.3 percent of original size [2021-07-14 13:21:28,495 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-14 13:21:28,495 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:58, output treesize:144 [2021-07-14 13:21:28,734 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:21:28,735 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1455529868] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:21:28,735 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 13:21:28,735 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 26] total 49 [2021-07-14 13:21:28,735 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [869885426] [2021-07-14 13:21:28,735 INFO L462 AbstractCegarLoop]: Interpolant automaton has 49 states [2021-07-14 13:21:28,735 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:21:28,735 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2021-07-14 13:21:28,736 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=225, Invalid=2127, Unknown=0, NotChecked=0, Total=2352 [2021-07-14 13:21:28,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:21:28,736 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:21:28,736 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 49 states, 49 states have (on average 1.530612244897959) internal successors, (75), 49 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) [2021-07-14 13:21:28,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:21:28,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:21:28,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:21:28,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:21:28,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:21:28,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:21:28,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:21:28,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:21:28,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:21:28,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 13:21:28,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 13:21:28,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:21:28,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:21:28,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 13:21:28,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-14 13:21:28,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 13:21:28,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-14 13:21:28,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 13:21:28,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 13:21:28,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2021-07-14 13:21:28,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2021-07-14 13:21:28,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2021-07-14 13:21:28,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-07-14 13:21:28,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-07-14 13:21:28,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-07-14 13:21:28,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2021-07-14 13:21:28,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-14 13:21:28,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-14 13:21:28,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-07-14 13:21:28,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-14 13:21:28,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-14 13:21:28,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2021-07-14 13:21:28,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-07-14 13:21:28,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2021-07-14 13:21:28,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2021-07-14 13:21:28,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-07-14 13:21:28,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2021-07-14 13:21:28,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2021-07-14 13:21:28,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-07-14 13:21:28,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2021-07-14 13:21:28,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-14 13:21:28,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-07-14 13:21:28,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-07-14 13:21:28,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:21:33,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:21:33,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:21:33,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:21:33,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:21:33,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:21:33,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:21:33,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:21:33,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:21:33,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:21:33,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 13:21:33,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 13:21:33,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:21:33,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:21:33,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 13:21:33,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-14 13:21:33,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 13:21:33,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-14 13:21:33,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 13:21:33,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 13:21:33,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-07-14 13:21:33,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-07-14 13:21:33,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-07-14 13:21:33,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-07-14 13:21:33,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-07-14 13:21:33,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-07-14 13:21:33,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2021-07-14 13:21:33,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-14 13:21:33,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-14 13:21:33,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-07-14 13:21:33,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-14 13:21:33,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-14 13:21:33,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2021-07-14 13:21:33,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-07-14 13:21:33,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-07-14 13:21:33,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2021-07-14 13:21:33,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-07-14 13:21:33,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2021-07-14 13:21:33,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-07-14 13:21:33,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-07-14 13:21:33,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2021-07-14 13:21:33,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-14 13:21:33,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-07-14 13:21:33,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-07-14 13:21:33,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-07-14 13:21:34,137 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable368,44 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 13:21:34,137 INFO L430 AbstractCegarLoop]: === Iteration 45 === [ULTIMATE.startErr9INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:21:34,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:21:34,138 INFO L82 PathProgramCache]: Analyzing trace with hash 595895952, now seen corresponding path program 25 times [2021-07-14 13:21:34,138 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:21:34,138 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1345174888] [2021-07-14 13:21:34,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:21:34,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:21:34,781 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 6 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:21:34,782 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:21:34,782 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1345174888] [2021-07-14 13:21:34,782 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1345174888] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:21:34,782 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [47656127] [2021-07-14 13:21:34,782 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 45 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 45 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 13:21:34,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:21:34,831 INFO L263 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 69 conjunts are in the unsatisfiable core [2021-07-14 13:21:34,831 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 13:21:35,625 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 19 [2021-07-14 13:21:35,626 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 13:21:35,628 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:21:35,628 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 13:21:35,628 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:39, output treesize:7 [2021-07-14 13:21:35,696 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:21:35,696 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [47656127] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:21:35,696 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 13:21:35,696 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 24] total 47 [2021-07-14 13:21:35,696 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612813384] [2021-07-14 13:21:35,696 INFO L462 AbstractCegarLoop]: Interpolant automaton has 47 states [2021-07-14 13:21:35,696 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:21:35,697 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2021-07-14 13:21:35,697 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=211, Invalid=1951, Unknown=0, NotChecked=0, Total=2162 [2021-07-14 13:21:35,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:21:35,697 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:21:35,697 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 47 states, 47 states have (on average 1.5957446808510638) internal successors, (75), 47 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) [2021-07-14 13:21:35,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:21:35,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:21:35,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:21:35,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:21:35,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:21:35,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:21:35,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:21:35,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:21:35,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:21:35,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 13:21:35,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 13:21:35,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:21:35,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:21:35,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 13:21:35,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-14 13:21:35,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 13:21:35,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-14 13:21:35,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 13:21:35,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 13:21:35,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2021-07-14 13:21:35,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2021-07-14 13:21:35,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2021-07-14 13:21:35,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-07-14 13:21:35,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-07-14 13:21:35,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-07-14 13:21:35,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2021-07-14 13:21:35,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-14 13:21:35,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-14 13:21:35,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-07-14 13:21:35,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-14 13:21:35,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-14 13:21:35,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2021-07-14 13:21:35,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-07-14 13:21:35,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2021-07-14 13:21:35,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2021-07-14 13:21:35,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-07-14 13:21:35,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2021-07-14 13:21:35,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2021-07-14 13:21:35,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-07-14 13:21:35,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2021-07-14 13:21:35,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-14 13:21:35,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-07-14 13:21:35,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-07-14 13:21:35,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-07-14 13:21:35,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:21:39,029 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 67 [2021-07-14 13:21:40,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:21:40,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:21:40,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:21:40,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:21:40,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:21:40,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:21:40,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:21:40,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:21:40,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:21:40,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 13:21:40,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 13:21:40,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:21:40,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:21:40,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 13:21:40,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-14 13:21:40,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 13:21:40,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-14 13:21:40,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 13:21:40,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 13:21:40,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-07-14 13:21:40,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-07-14 13:21:40,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-07-14 13:21:40,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-07-14 13:21:40,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-07-14 13:21:40,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-07-14 13:21:40,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-07-14 13:21:40,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-07-14 13:21:40,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-07-14 13:21:40,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-07-14 13:21:40,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-14 13:21:40,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-14 13:21:40,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2021-07-14 13:21:40,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-07-14 13:21:40,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-07-14 13:21:40,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2021-07-14 13:21:40,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-07-14 13:21:40,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2021-07-14 13:21:40,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-07-14 13:21:40,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-07-14 13:21:40,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2021-07-14 13:21:40,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-14 13:21:40,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-07-14 13:21:40,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-07-14 13:21:40,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-07-14 13:21:40,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-14 13:21:40,476 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 45 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1200 [2021-07-14 13:21:40,476 INFO L430 AbstractCegarLoop]: === Iteration 46 === [ULTIMATE.startErr9INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:21:40,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:21:40,477 INFO L82 PathProgramCache]: Analyzing trace with hash 624586288, now seen corresponding path program 26 times [2021-07-14 13:21:40,477 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:21:40,477 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [823830624] [2021-07-14 13:21:40,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:21:40,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:21:41,066 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 12 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:21:41,066 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:21:41,066 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [823830624] [2021-07-14 13:21:41,066 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [823830624] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:21:41,066 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1850258535] [2021-07-14 13:21:41,066 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 46 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 46 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 13:21:41,112 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 13:21:41,112 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 13:21:41,113 INFO L263 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 67 conjunts are in the unsatisfiable core [2021-07-14 13:21:41,114 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 13:21:42,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:21:42,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:21:42,284 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:21:42,284 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 5 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 16 case distinctions, treesize of input 39 treesize of output 147 [2021-07-14 13:21:42,449 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 390 DAG size of output: 321 [2021-07-14 13:21:42,710 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 312 DAG size of output: 368 [2021-07-14 13:21:42,910 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 309 DAG size of output: 370 [2021-07-14 13:21:43,426 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 319 [2021-07-14 13:21:44,079 WARN L205 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 800 DAG size of output: 668 [2021-07-14 13:21:44,449 WARN L205 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 973 DAG size of output: 801 [2021-07-14 13:21:44,979 WARN L205 SmtUtils]: Spent 526.00 ms on a formula simplification. DAG size of input: 1093 DAG size of output: 911 [2021-07-14 13:21:45,690 WARN L205 SmtUtils]: Spent 705.00 ms on a formula simplification. DAG size of input: 1196 DAG size of output: 998 [2021-07-14 13:21:46,398 WARN L205 SmtUtils]: Spent 703.00 ms on a formula simplification. DAG size of input: 1196 DAG size of output: 998 [2021-07-14 13:21:48,001 WARN L205 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 1203 DAG size of output: 1351 [2021-07-14 13:21:48,140 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 301 [2021-07-14 13:21:48,285 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 305 [2021-07-14 13:21:48,859 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 753 DAG size of output: 689 [2021-07-14 13:21:49,229 WARN L205 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 819 DAG size of output: 751 [2021-07-14 13:21:49,953 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 633 DAG size of output: 586 [2021-07-14 13:21:50,383 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 792 DAG size of output: 722 [2021-07-14 13:21:54,077 WARN L205 SmtUtils]: Spent 2.76 s on a formula simplification. DAG size of input: 3117 DAG size of output: 2765 [2021-07-14 13:21:56,778 WARN L205 SmtUtils]: Spent 2.69 s on a formula simplification. DAG size of input: 3117 DAG size of output: 2765 [2021-07-14 13:21:59,491 WARN L205 SmtUtils]: Spent 2.67 s on a formula simplification. DAG size of input: 3117 DAG size of output: 2765 [2021-07-14 13:22:02,051 WARN L205 SmtUtils]: Spent 2.55 s on a formula simplification. DAG size of input: 2617 DAG size of output: 2574 [2021-07-14 13:22:02,085 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2021-07-14 13:22:30,775 WARN L205 SmtUtils]: Spent 28.69 s on a formula simplification. DAG size of input: 2626 DAG size of output: 59 [2021-07-14 13:22:30,775 INFO L628 ElimStorePlain]: treesize reduction 36456, result has 0.4 percent of original size [2021-07-14 13:22:30,822 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: and 9 xjuncts. [2021-07-14 13:22:30,822 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:58, output treesize:248 [2021-07-14 13:22:31,128 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:22:31,128 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1850258535] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:22:31,128 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 13:22:31,128 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 26] total 49 [2021-07-14 13:22:31,128 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740246516] [2021-07-14 13:22:31,129 INFO L462 AbstractCegarLoop]: Interpolant automaton has 49 states [2021-07-14 13:22:31,129 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 13:22:31,129 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2021-07-14 13:22:31,129 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=232, Invalid=2120, Unknown=0, NotChecked=0, Total=2352 [2021-07-14 13:22:31,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:22:31,129 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 13:22:31,130 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 49 states, 49 states have (on average 1.530612244897959) internal successors, (75), 49 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) [2021-07-14 13:22:31,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:22:31,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:22:31,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:22:31,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:22:31,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:22:31,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:22:31,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:22:31,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:22:31,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:22:31,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-14 13:22:31,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 13:22:31,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:22:31,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:22:31,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-07-14 13:22:31,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-07-14 13:22:31,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-07-14 13:22:31,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-14 13:22:31,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 13:22:31,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-14 13:22:31,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2021-07-14 13:22:31,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2021-07-14 13:22:31,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2021-07-14 13:22:31,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-07-14 13:22:31,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-07-14 13:22:31,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-07-14 13:22:31,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2021-07-14 13:22:31,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-07-14 13:22:31,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2021-07-14 13:22:31,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-07-14 13:22:31,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-14 13:22:31,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-14 13:22:31,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2021-07-14 13:22:31,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-07-14 13:22:31,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2021-07-14 13:22:31,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2021-07-14 13:22:31,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-07-14 13:22:31,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2021-07-14 13:22:31,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2021-07-14 13:22:31,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-07-14 13:22:31,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2021-07-14 13:22:31,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-14 13:22:31,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-07-14 13:22:31,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-07-14 13:22:31,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-07-14 13:22:31,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-14 13:22:31,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 13:22:31,540 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 37 [2021-07-14 13:22:32,641 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 54 [2021-07-14 13:22:36,123 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 58 [2021-07-14 13:22:36,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 13:22:36,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:22:36,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 13:22:36,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 13:22:36,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 13:22:36,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:22:36,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 13:22:36,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 13:22:36,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 13:22:36,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-14 13:22:36,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 13:22:36,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 13:22:36,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 13:22:36,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 13:22:36,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-07-14 13:22:36,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-14 13:22:36,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-14 13:22:36,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 13:22:36,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 13:22:36,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-07-14 13:22:36,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-07-14 13:22:36,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-07-14 13:22:36,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-07-14 13:22:36,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-07-14 13:22:36,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-07-14 13:22:36,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-07-14 13:22:36,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-07-14 13:22:36,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-07-14 13:22:36,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-07-14 13:22:36,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-14 13:22:36,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-14 13:22:36,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2021-07-14 13:22:36,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-07-14 13:22:36,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-07-14 13:22:36,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2021-07-14 13:22:36,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-07-14 13:22:36,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2021-07-14 13:22:36,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-07-14 13:22:36,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-07-14 13:22:36,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2021-07-14 13:22:36,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-14 13:22:36,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-07-14 13:22:36,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-07-14 13:22:36,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-07-14 13:22:36,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-14 13:22:36,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-07-14 13:22:36,653 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 46 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1201 [2021-07-14 13:22:36,653 INFO L430 AbstractCegarLoop]: === Iteration 47 === [ULTIMATE.startErr9INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 13:22:36,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 13:22:36,654 INFO L82 PathProgramCache]: Analyzing trace with hash -1092350320, now seen corresponding path program 27 times [2021-07-14 13:22:36,654 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 13:22:36,654 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1444024062] [2021-07-14 13:22:36,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 13:22:36,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 13:22:37,277 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 5 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 13:22:37,277 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 13:22:37,277 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1444024062] [2021-07-14 13:22:37,277 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1444024062] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 13:22:37,277 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [615768250] [2021-07-14 13:22:37,277 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 47 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 47 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 13:22:37,320 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2021-07-14 13:22:37,320 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 13:22:37,321 INFO L263 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 69 conjunts are in the unsatisfiable core [2021-07-14 13:22:37,322 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 13:22:38,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:22:38,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:22:38,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:22:38,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:22:38,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:22:38,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:22:38,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:22:38,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:22:38,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 13:22:38,325 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 13:22:38,325 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 10 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 18 case distinctions, treesize of input 47 treesize of output 195 [2021-07-14 13:22:39,152 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 726 DAG size of output: 644 [2021-07-14 13:22:39,365 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 790 DAG size of output: 700 [2021-07-14 13:22:39,587 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 790 DAG size of output: 700 [2021-07-14 13:22:39,829 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 793 DAG size of output: 703 [2021-07-14 13:22:40,357 WARN L205 SmtUtils]: Spent 523.00 ms on a formula simplification. DAG size of input: 665 DAG size of output: 721 [2021-07-14 13:22:41,874 WARN L205 SmtUtils]: Spent 682.00 ms on a formula simplification. DAG size of input: 1699 DAG size of output: 1388 [2021-07-14 13:22:42,563 WARN L205 SmtUtils]: Spent 681.00 ms on a formula simplification. DAG size of input: 1699 DAG size of output: 1388 [2021-07-14 13:22:44,146 WARN L205 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 1706 DAG size of output: 1755 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown