/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-Sleep-NoLbe-New_States.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/dot-product-alt.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-7cd14b8b9f04096d8ddfd3d9cd8a4ac590fe5404-7cd14b8 [2021-03-12 18:11:57,088 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-12 18:11:57,090 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-12 18:11:57,118 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-12 18:11:57,119 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-12 18:11:57,121 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-12 18:11:57,123 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-12 18:11:57,127 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-12 18:11:57,129 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-12 18:11:57,131 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-12 18:11:57,132 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-12 18:11:57,133 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-12 18:11:57,133 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-12 18:11:57,135 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-12 18:11:57,136 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-12 18:11:57,137 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-12 18:11:57,138 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-12 18:11:57,139 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-12 18:11:57,141 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-12 18:11:57,147 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-12 18:11:57,148 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-12 18:11:57,148 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-12 18:11:57,150 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-12 18:11:57,150 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-12 18:11:57,155 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-03-12 18:11:57,155 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-03-12 18:11:57,155 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-03-12 18:11:57,156 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-03-12 18:11:57,157 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-03-12 18:11:57,157 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-03-12 18:11:57,157 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-03-12 18:11:57,158 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-03-12 18:11:57,159 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-03-12 18:11:57,160 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-03-12 18:11:57,160 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-03-12 18:11:57,160 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-03-12 18:11:57,161 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-03-12 18:11:57,161 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-03-12 18:11:57,161 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-12 18:11:57,161 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-12 18:11:57,162 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-12 18:11:57,165 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-Sleep-NoLbe-New_States.epf [2021-03-12 18:11:57,192 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-12 18:11:57,193 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-12 18:11:57,193 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-03-12 18:11:57,193 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-03-12 18:11:57,195 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-12 18:11:57,195 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-12 18:11:57,196 INFO L138 SettingsManager]: * Use SBE=true [2021-03-12 18:11:57,196 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-12 18:11:57,196 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-12 18:11:57,196 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-12 18:11:57,197 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-12 18:11:57,197 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-12 18:11:57,197 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-12 18:11:57,197 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-12 18:11:57,197 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-12 18:11:57,197 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-12 18:11:57,197 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-12 18:11:57,197 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-12 18:11:57,198 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-12 18:11:57,198 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-12 18:11:57,198 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-12 18:11:57,198 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-12 18:11:57,198 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-12 18:11:57,198 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-12 18:11:57,198 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-12 18:11:57,198 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-12 18:11:57,199 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-12 18:11:57,199 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-12 18:11:57,199 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-12 18:11:57,199 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-03-12 18:11:57,199 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-03-12 18:11:57,199 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-03-12 18:11:57,199 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-03-12 18:11:57,200 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-12 18:11:57,478 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-12 18:11:57,500 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-12 18:11:57,502 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-12 18:11:57,502 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-03-12 18:11:57,503 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-03-12 18:11:57,504 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/dot-product-alt.wvr.bpl [2021-03-12 18:11:57,504 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/dot-product-alt.wvr.bpl' [2021-03-12 18:11:57,535 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-12 18:11:57,539 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-03-12 18:11:57,540 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-12 18:11:57,540 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-12 18:11:57,540 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-12 18:11:57,548 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "dot-product-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 06:11:57" (1/1) ... [2021-03-12 18:11:57,553 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "dot-product-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 06:11:57" (1/1) ... [2021-03-12 18:11:57,559 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-12 18:11:57,560 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-12 18:11:57,560 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-12 18:11:57,560 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-12 18:11:57,565 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "dot-product-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 06:11:57" (1/1) ... [2021-03-12 18:11:57,565 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "dot-product-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 06:11:57" (1/1) ... [2021-03-12 18:11:57,566 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "dot-product-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 06:11:57" (1/1) ... [2021-03-12 18:11:57,566 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "dot-product-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 06:11:57" (1/1) ... [2021-03-12 18:11:57,570 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "dot-product-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 06:11:57" (1/1) ... [2021-03-12 18:11:57,572 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "dot-product-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 06:11:57" (1/1) ... [2021-03-12 18:11:57,573 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "dot-product-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 06:11:57" (1/1) ... [2021-03-12 18:11:57,576 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-12 18:11:57,578 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-12 18:11:57,578 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-12 18:11:57,578 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-12 18:11:57,581 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "dot-product-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 06:11:57" (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 [2021-03-12 18:11:57,630 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-03-12 18:11:57,630 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-03-12 18:11:57,631 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-03-12 18:11:57,631 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-03-12 18:11:57,631 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-03-12 18:11:57,631 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-03-12 18:11:57,631 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-03-12 18:11:57,631 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-12 18:11:57,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-12 18:11:57,631 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-03-12 18:11:57,631 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-03-12 18:11:57,631 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-03-12 18:11:57,632 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-12 18:11:57,812 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-12 18:11:57,812 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-03-12 18:11:57,813 INFO L202 PluginConnector]: Adding new model dot-product-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.03 06:11:57 BoogieIcfgContainer [2021-03-12 18:11:57,813 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-12 18:11:57,815 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-12 18:11:57,815 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-12 18:11:57,816 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-12 18:11:57,816 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "dot-product-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 06:11:57" (1/2) ... [2021-03-12 18:11:57,817 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36f7c5f and model type dot-product-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.03 06:11:57, skipping insertion in model container [2021-03-12 18:11:57,817 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "dot-product-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.03 06:11:57" (2/2) ... [2021-03-12 18:11:57,818 INFO L111 eAbstractionObserver]: Analyzing ICFG dot-product-alt.wvr.bpl [2021-03-12 18:11:57,821 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-03-12 18:11:57,821 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-12 18:11:57,823 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-03-12 18:11:57,824 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-12 18:11:57,846 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-03-12 18:11:57,872 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 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 [2021-03-12 18:11:57,918 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-12 18:11:57,918 INFO L377 AbstractCegarLoop]: Hoare is true [2021-03-12 18:11:57,918 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-12 18:11:57,918 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-12 18:11:57,918 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-12 18:11:57,918 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-12 18:11:57,919 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-12 18:11:57,919 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-12 18:11:58,016 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 18:11:58,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 18:11:58,022 INFO L82 PathProgramCache]: Analyzing trace with hash -837472812, now seen corresponding path program 1 times [2021-03-12 18:11:58,028 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 18:11:58,028 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [741657089] [2021-03-12 18:11:58,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 18:11:58,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 18:11:58,138 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 18:11:58,139 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [741657089] [2021-03-12 18:11:58,139 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-12 18:11:58,139 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-12 18:11:58,141 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [970392376] [2021-03-12 18:11:58,145 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-12 18:11:58,146 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 18:11:58,152 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-12 18:11:58,154 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-12 18:11:58,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 18:11:58,155 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 18:11:58,158 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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) [2021-03-12 18:11:58,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 18:11:58,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 18:11:58,180 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-12 18:11:58,180 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 18:11:58,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 18:11:58,181 INFO L82 PathProgramCache]: Analyzing trace with hash 482321657, now seen corresponding path program 1 times [2021-03-12 18:11:58,181 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 18:11:58,181 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [621186519] [2021-03-12 18:11:58,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 18:11:58,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 18:11:58,224 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-12 18:11:58,224 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [621186519] [2021-03-12 18:11:58,224 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-12 18:11:58,224 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-12 18:11:58,225 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [55681272] [2021-03-12 18:11:58,225 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-12 18:11:58,225 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 18:11:58,226 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-12 18:11:58,226 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-12 18:11:58,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 18:11:58,226 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 18:11:58,226 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 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) [2021-03-12 18:11:58,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 18:11:58,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 18:11:58,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 18:11:58,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 18:11:58,258 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-12 18:11:58,258 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 18:11:58,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 18:11:58,259 INFO L82 PathProgramCache]: Analyzing trace with hash -850517330, now seen corresponding path program 1 times [2021-03-12 18:11:58,259 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 18:11:58,259 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [152421762] [2021-03-12 18:11:58,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 18:11:58,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 18:11:58,574 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 18:11:58,574 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [152421762] [2021-03-12 18:11:58,574 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1694277883] [2021-03-12 18:11:58,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 18:11:58,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 18:11:58,617 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 16 conjunts are in the unsatisfiable core [2021-03-12 18:11:58,620 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 18:11:58,853 INFO L354 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2021-03-12 18:11:58,853 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 3 new quantified variables, introduced 1 case distinctions, treesize of input 72 treesize of output 66 [2021-03-12 18:11:58,861 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-03-12 18:11:58,868 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 18:11:58,874 INFO L354 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2021-03-12 18:11:58,875 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 3 new quantified variables, introduced 1 case distinctions, treesize of input 50 treesize of output 46 [2021-03-12 18:11:58,884 INFO L550 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-03-12 18:11:58,889 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 18:11:58,891 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2021-03-12 18:11:58,909 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-03-12 18:11:58,913 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 18:11:58,915 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-03-12 18:11:58,915 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:75, output treesize:3 [2021-03-12 18:11:58,972 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 18:11:58,973 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 18:11:58,973 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 14 [2021-03-12 18:11:58,973 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1022245756] [2021-03-12 18:11:58,973 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-03-12 18:11:58,973 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 18:11:58,974 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-03-12 18:11:58,975 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2021-03-12 18:11:58,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 18:11:58,975 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 18:11:58,975 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 2.533333333333333) internal successors, (38), 14 states have internal predecessors, (38), 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) [2021-03-12 18:11:58,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 18:11:58,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 18:11:58,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 18:11:59,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 18:11:59,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 18:11:59,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-12 18:11:59,429 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 18:11:59,429 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 18:11:59,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 18:11:59,430 INFO L82 PathProgramCache]: Analyzing trace with hash -1622545901, now seen corresponding path program 2 times [2021-03-12 18:11:59,430 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 18:11:59,430 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [107291452] [2021-03-12 18:11:59,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 18:11:59,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 18:11:59,489 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 18:11:59,490 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [107291452] [2021-03-12 18:11:59,490 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [802537430] [2021-03-12 18:11:59,490 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 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 18:11:59,520 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-12 18:11:59,520 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 18:11:59,521 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-12 18:11:59,522 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 18:11:59,638 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 18:11:59,639 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 18:11:59,639 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 12 [2021-03-12 18:11:59,639 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2093082134] [2021-03-12 18:11:59,639 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-12 18:11:59,639 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 18:11:59,640 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-12 18:11:59,640 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2021-03-12 18:11:59,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 18:11:59,640 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 18:11:59,640 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 3.3333333333333335) internal successors, (40), 12 states have internal predecessors, (40), 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) [2021-03-12 18:11:59,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 18:11:59,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 18:11:59,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-12 18:11:59,641 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 18:11:59,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 18:11:59,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 18:11:59,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-12 18:11:59,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 18:12:00,011 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 18:12:00,011 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 18:12:00,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 18:12:00,012 INFO L82 PathProgramCache]: Analyzing trace with hash 1276293331, now seen corresponding path program 1 times [2021-03-12 18:12:00,012 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 18:12:00,012 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [163967719] [2021-03-12 18:12:00,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 18:12:00,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 18:12:00,053 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-12 18:12:00,053 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [163967719] [2021-03-12 18:12:00,053 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [741760393] [2021-03-12 18:12:00,054 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 [2021-03-12 18:12:00,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 18:12:00,079 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-12 18:12:00,080 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 18:12:00,209 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-12 18:12:00,209 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 18:12:00,209 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 11 [2021-03-12 18:12:00,209 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [272335940] [2021-03-12 18:12:00,209 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-12 18:12:00,209 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 18:12:00,210 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-12 18:12:00,210 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2021-03-12 18:12:00,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 18:12:00,210 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 18:12:00,210 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 3.909090909090909) internal successors, (43), 11 states have internal predecessors, (43), 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) [2021-03-12 18:12:00,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 18:12:00,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 18:12:00,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-12 18:12:00,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-12 18:12:00,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 18:12:00,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 18:12:00,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 18:12:00,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-12 18:12:00,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 18:12:00,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 18:12:00,531 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 18:12:00,531 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 18:12:00,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 18:12:00,532 INFO L82 PathProgramCache]: Analyzing trace with hash -60790002, now seen corresponding path program 2 times [2021-03-12 18:12:00,532 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 18:12:00,532 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [894043731] [2021-03-12 18:12:00,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 18:12:00,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 18:12:01,007 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 18:12:01,007 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [894043731] [2021-03-12 18:12:01,007 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [853227541] [2021-03-12 18:12:01,007 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 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 [2021-03-12 18:12:01,038 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-12 18:12:01,038 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 18:12:01,039 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 32 conjunts are in the unsatisfiable core [2021-03-12 18:12:01,042 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 18:12:03,443 WARN L205 SmtUtils]: Spent 861.00 ms on a formula simplification that was a NOOP. DAG size: 37 [2021-03-12 18:12:03,770 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2021-03-12 18:12:03,835 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-12 18:12:03,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:12:03,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:12:03,837 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 61 treesize of output 49 [2021-03-12 18:12:03,840 INFO L550 ElimStorePlain]: Start of recursive call 2: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2021-03-12 18:12:03,848 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 18:12:03,851 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-12 18:12:03,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:12:03,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:12:03,852 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 49 treesize of output 37 [2021-03-12 18:12:03,855 INFO L550 ElimStorePlain]: Start of recursive call 3: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2021-03-12 18:12:03,863 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 18:12:03,878 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 18:12:03,878 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 37 treesize of output 49 [2021-03-12 18:12:03,902 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-03-12 18:12:03,936 INFO L628 ElimStorePlain]: treesize reduction 56, result has 38.5 percent of original size [2021-03-12 18:12:03,940 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-03-12 18:12:03,940 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 5 variables, input treesize:70, output treesize:3 [2021-03-12 18:12:03,967 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 18:12:03,967 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 18:12:03,968 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 30 [2021-03-12 18:12:03,968 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1357774034] [2021-03-12 18:12:03,968 INFO L460 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-03-12 18:12:03,968 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 18:12:03,969 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-03-12 18:12:03,969 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=129, Invalid=741, Unknown=0, NotChecked=0, Total=870 [2021-03-12 18:12:03,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 18:12:03,969 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 18:12:03,970 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 2.066666666666667) internal successors, (62), 30 states have internal predecessors, (62), 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) [2021-03-12 18:12:03,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 18:12:03,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 18:12:03,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-12 18:12:03,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-12 18:12:03,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 18:12:03,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 18:12:32,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 18:12:32,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 18:12:32,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-12 18:12:32,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 18:12:32,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 18:12:32,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-12 18:12:32,992 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-03-12 18:12:32,992 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 18:12:32,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 18:12:32,993 INFO L82 PathProgramCache]: Analyzing trace with hash -1583660301, now seen corresponding path program 3 times [2021-03-12 18:12:32,993 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 18:12:32,993 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [420181036] [2021-03-12 18:12:32,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 18:12:33,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 18:12:33,079 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 5 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 18:12:33,079 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [420181036] [2021-03-12 18:12:33,079 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [627623693] [2021-03-12 18:12:33,079 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 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 [2021-03-12 18:12:33,106 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-03-12 18:12:33,106 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 18:12:33,106 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2021-03-12 18:12:33,112 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 18:12:33,341 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 12 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 18:12:33,342 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 18:12:33,342 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 20 [2021-03-12 18:12:33,342 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1017991068] [2021-03-12 18:12:33,342 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-03-12 18:12:33,346 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 18:12:33,346 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-03-12 18:12:33,347 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=307, Unknown=0, NotChecked=0, Total=380 [2021-03-12 18:12:33,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 18:12:33,347 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 18:12:33,347 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 3.2) internal successors, (64), 20 states have internal predecessors, (64), 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) [2021-03-12 18:12:33,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 18:12:33,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 18:12:33,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-12 18:12:33,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-12 18:12:33,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 18:12:33,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-03-12 18:12:33,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 18:12:33,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 18:12:33,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 18:12:33,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-12 18:12:33,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 18:12:33,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 18:12:33,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-12 18:12:33,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-03-12 18:12:33,967 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 18:12:33,967 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 18:12:33,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 18:12:33,968 INFO L82 PathProgramCache]: Analyzing trace with hash -76160589, now seen corresponding path program 4 times [2021-03-12 18:12:33,968 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 18:12:33,968 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1149718824] [2021-03-12 18:12:33,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 18:12:33,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 18:12:34,072 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 22 proven. 22 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-12 18:12:34,072 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1149718824] [2021-03-12 18:12:34,072 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [941328056] [2021-03-12 18:12:34,072 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 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 [2021-03-12 18:12:34,106 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-12 18:12:34,106 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 18:12:34,107 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 11 conjunts are in the unsatisfiable core [2021-03-12 18:12:34,107 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 18:12:34,345 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 22 proven. 22 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-12 18:12:34,346 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 18:12:34,346 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 17 [2021-03-12 18:12:34,346 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [22621122] [2021-03-12 18:12:34,346 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-03-12 18:12:34,346 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 18:12:34,347 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-03-12 18:12:34,347 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2021-03-12 18:12:34,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 18:12:34,347 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 18:12:34,347 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 3.588235294117647) internal successors, (61), 17 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 18:12:34,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 18:12:34,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 18:12:34,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-12 18:12:34,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-12 18:12:34,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 18:12:34,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-03-12 18:12:34,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-03-12 18:12:34,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 18:12:34,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 18:12:34,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 18:12:34,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-12 18:12:34,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 18:12:34,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 18:12:34,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-12 18:12:34,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-03-12 18:12:34,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 18:12:34,693 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 18:12:34,694 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 18:12:34,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 18:12:34,694 INFO L82 PathProgramCache]: Analyzing trace with hash -886105234, now seen corresponding path program 5 times [2021-03-12 18:12:34,694 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 18:12:34,694 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [50990984] [2021-03-12 18:12:34,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 18:12:34,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 18:12:35,577 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 9 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 18:12:35,577 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [50990984] [2021-03-12 18:12:35,577 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [441500593] [2021-03-12 18:12:35,577 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 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 [2021-03-12 18:12:35,613 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-03-12 18:12:35,613 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 18:12:35,614 WARN L261 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 49 conjunts are in the unsatisfiable core [2021-03-12 18:12:35,616 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 18:12:36,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:12:36,712 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-12 18:12:36,712 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 77 [2021-03-12 18:12:36,717 INFO L550 ElimStorePlain]: Start of recursive call 2: 5 dim-0 vars, End of recursive call: 5 dim-0 vars, and 1 xjuncts. [2021-03-12 18:12:36,724 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 18:12:36,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:12:36,726 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-12 18:12:36,731 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 57 [2021-03-12 18:12:36,735 INFO L550 ElimStorePlain]: Start of recursive call 3: 5 dim-0 vars, End of recursive call: 5 dim-0 vars, and 1 xjuncts. [2021-03-12 18:12:36,742 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 18:12:36,791 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 18:12:36,791 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 57 treesize of output 137 [2021-03-12 18:12:37,177 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 257 [2021-03-12 18:12:37,306 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 257 [2021-03-12 18:12:37,674 WARN L205 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 305 [2021-03-12 18:12:38,303 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 351 DAG size of output: 346 [2021-03-12 18:12:38,422 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 296 DAG size of output: 263 [2021-03-12 18:12:38,993 WARN L205 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 300 [2021-03-12 18:12:39,504 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 351 DAG size of output: 346 [2021-03-12 18:12:39,805 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 262 [2021-03-12 18:12:39,809 INFO L550 ElimStorePlain]: Start of recursive call 4: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-03-12 18:12:41,839 WARN L205 SmtUtils]: Spent 2.03 s on a formula simplification. DAG size of input: 261 DAG size of output: 245 [2021-03-12 18:12:41,840 INFO L628 ElimStorePlain]: treesize reduction 9280, result has 67.7 percent of original size [2021-03-12 18:12:42,932 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-03-12 18:12:42,932 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:103, output treesize:3 [2021-03-12 18:12:42,959 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 18:12:42,959 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 18:12:42,959 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 24] total 46 [2021-03-12 18:12:42,959 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [54126924] [2021-03-12 18:12:42,960 INFO L460 AbstractCegarLoop]: Interpolant automaton has 46 states [2021-03-12 18:12:42,960 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 18:12:42,960 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2021-03-12 18:12:42,961 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=151, Invalid=1919, Unknown=0, NotChecked=0, Total=2070 [2021-03-12 18:12:42,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 18:12:42,961 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 18:12:42,961 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 46 states, 46 states have (on average 1.891304347826087) internal successors, (87), 46 states have internal predecessors, (87), 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) [2021-03-12 18:12:42,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 18:12:42,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 18:12:42,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-12 18:12:42,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-12 18:12:42,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 18:12:42,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-03-12 18:12:42,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-03-12 18:12:42,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-12 18:12:42,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 18:12:45,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 18:12:45,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 18:12:45,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-12 18:12:45,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 18:12:45,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 18:12:45,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-12 18:12:45,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-03-12 18:12:45,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 18:12:45,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-03-12 18:12:45,443 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-03-12 18:12:45,443 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 18:12:45,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 18:12:45,444 INFO L82 PathProgramCache]: Analyzing trace with hash 1387257236, now seen corresponding path program 6 times [2021-03-12 18:12:45,444 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 18:12:45,444 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1304503858] [2021-03-12 18:12:45,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 18:12:45,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 18:12:46,638 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 18:12:46,638 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1304503858] [2021-03-12 18:12:46,638 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [194408413] [2021-03-12 18:12:46,638 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 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 [2021-03-12 18:12:46,678 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-03-12 18:12:46,678 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 18:12:46,679 WARN L261 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 58 conjunts are in the unsatisfiable core [2021-03-12 18:12:46,682 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 18:13:15,818 WARN L205 SmtUtils]: Spent 2.01 s on a formula simplification that was a NOOP. DAG size: 53 [2021-03-12 18:13:17,940 WARN L205 SmtUtils]: Spent 2.01 s on a formula simplification that was a NOOP. DAG size: 59 [2021-03-12 18:13:20,062 WARN L205 SmtUtils]: Spent 2.02 s on a formula simplification that was a NOOP. DAG size: 60 [2021-03-12 18:13:22,176 WARN L205 SmtUtils]: Spent 2.01 s on a formula simplification that was a NOOP. DAG size: 64 [2021-03-12 18:13:24,286 WARN L205 SmtUtils]: Spent 2.01 s on a formula simplification that was a NOOP. DAG size: 65 [2021-03-12 18:13:26,404 WARN L205 SmtUtils]: Spent 2.01 s on a formula simplification that was a NOOP. DAG size: 66 [2021-03-12 18:13:28,529 WARN L205 SmtUtils]: Spent 2.02 s on a formula simplification that was a NOOP. DAG size: 70 [2021-03-12 18:13:58,714 WARN L205 SmtUtils]: Spent 2.02 s on a formula simplification that was a NOOP. DAG size: 75 [2021-03-12 18:15:08,961 WARN L205 SmtUtils]: Spent 4.02 s on a formula simplification that was a NOOP. DAG size: 72 [2021-03-12 18:16:41,445 WARN L205 SmtUtils]: Spent 4.02 s on a formula simplification that was a NOOP. DAG size: 76 [2021-03-12 18:17:54,559 WARN L205 SmtUtils]: Spent 4.03 s on a formula simplification that was a NOOP. DAG size: 79 [2021-03-12 18:18:19,348 WARN L205 SmtUtils]: Spent 4.02 s on a formula simplification that was a NOOP. DAG size: 80 [2021-03-12 18:18:19,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:18:19,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:18:19,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:18:19,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:18:19,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:18:19,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:18:19,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:18:19,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:18:19,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:18:19,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:18:19,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:18:19,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:18:19,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:18:19,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:18:19,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:18:19,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:18:19,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:18:19,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:18:19,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:18:19,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:18:19,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:18:19,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:18:19,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:18:19,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:18:19,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:18:19,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:18:19,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:18:19,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:18:19,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:18:19,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:18:19,820 WARN L205 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2021-03-12 18:18:19,821 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 18:18:19,821 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 30 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 25 case distinctions, treesize of input 143 treesize of output 361 Received shutdown request... [2021-03-12 18:26:09,181 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable519,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 18:26:09,181 WARN L545 AbstractCegarLoop]: Verification canceled [2021-03-12 18:26:09,188 WARN L224 ceAbstractionStarter]: Timeout [2021-03-12 18:26:09,189 INFO L202 PluginConnector]: Adding new model dot-product-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.03 06:26:09 BasicIcfg [2021-03-12 18:26:09,189 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-12 18:26:09,189 INFO L168 Benchmark]: Toolchain (without parser) took 851653.58 ms. Allocated memory was 255.9 MB in the beginning and 696.3 MB in the end (delta: 440.4 MB). Free memory was 236.3 MB in the beginning and 536.6 MB in the end (delta: -300.3 MB). Peak memory consumption was 438.7 MB. Max. memory is 16.0 GB. [2021-03-12 18:26:09,190 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.10 ms. Allocated memory is still 255.9 MB. Free memory was 237.4 MB in the beginning and 237.3 MB in the end (delta: 178.2 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-12 18:26:09,190 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.08 ms. Allocated memory is still 255.9 MB. Free memory was 235.8 MB in the beginning and 234.3 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-12 18:26:09,190 INFO L168 Benchmark]: Boogie Preprocessor took 17.33 ms. Allocated memory is still 255.9 MB. Free memory was 234.2 MB in the beginning and 233.1 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-12 18:26:09,190 INFO L168 Benchmark]: RCFGBuilder took 235.55 ms. Allocated memory is still 255.9 MB. Free memory was 233.1 MB in the beginning and 239.9 MB in the end (delta: -6.7 MB). Peak memory consumption was 20.6 MB. Max. memory is 16.0 GB. [2021-03-12 18:26:09,190 INFO L168 Benchmark]: TraceAbstraction took 851374.20 ms. Allocated memory was 255.9 MB in the beginning and 696.3 MB in the end (delta: 440.4 MB). Free memory was 239.4 MB in the beginning and 536.6 MB in the end (delta: -297.1 MB). Peak memory consumption was 441.2 MB. Max. memory is 16.0 GB. [2021-03-12 18:26:09,190 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.10 ms. Allocated memory is still 255.9 MB. Free memory was 237.4 MB in the beginning and 237.3 MB in the end (delta: 178.2 kB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 19.08 ms. Allocated memory is still 255.9 MB. Free memory was 235.8 MB in the beginning and 234.3 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 17.33 ms. Allocated memory is still 255.9 MB. Free memory was 234.2 MB in the beginning and 233.1 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 235.55 ms. Allocated memory is still 255.9 MB. Free memory was 233.1 MB in the beginning and 239.9 MB in the end (delta: -6.7 MB). Peak memory consumption was 20.6 MB. Max. memory is 16.0 GB. * TraceAbstraction took 851374.20 ms. Allocated memory was 255.9 MB in the beginning and 696.3 MB in the end (delta: 440.4 MB). Free memory was 239.4 MB in the beginning and 536.6 MB in the end (delta: -297.1 MB). Peak memory consumption was 441.2 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 4730, positive: 4209, positive conditional: 4209, positive unconditional: 0, negative: 521, negative conditional: 521, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 4209, positive: 4209, positive conditional: 4209, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 4209, positive: 4209, positive conditional: 0, positive unconditional: 4209, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 66, positive: 66, positive conditional: 0, positive unconditional: 66, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 66, positive: 65, positive conditional: 0, positive unconditional: 65, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 41, positive: 41, positive conditional: 0, positive unconditional: 41, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 4209, positive: 4143, positive conditional: 0, positive unconditional: 4143, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 66, unknown conditional: 0, unknown unconditional: 66] , Statistics on independence cache: Total cache size (in pairs): 66, Positive cache size: 66, Positive conditional cache size: 0, Positive unconditional cache size: 66, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 41, positive: 41, positive conditional: 0, positive unconditional: 41, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 66, Positive cache size: 66, Positive conditional cache size: 0, Positive unconditional cache size: 66, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 41, positive: 41, positive conditional: 0, positive unconditional: 41, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 66, Positive cache size: 66, Positive conditional cache size: 0, Positive unconditional cache size: 66, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 41, positive: 41, positive conditional: 0, positive unconditional: 41, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 66, Positive cache size: 66, Positive conditional cache size: 0, Positive unconditional cache size: 66, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 41, positive: 41, positive conditional: 0, positive unconditional: 41, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 66, Positive cache size: 66, Positive conditional cache size: 0, Positive unconditional cache size: 66, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 41, positive: 41, positive conditional: 0, positive unconditional: 41, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 66, Positive cache size: 66, Positive conditional cache size: 0, Positive unconditional cache size: 66, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 41, positive: 41, positive conditional: 0, positive unconditional: 41, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 66, Positive cache size: 66, Positive conditional cache size: 0, Positive unconditional cache size: 66, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 41, positive: 41, positive conditional: 0, positive unconditional: 41, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 66, Positive cache size: 66, Positive conditional cache size: 0, Positive unconditional cache size: 66, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 41, positive: 41, positive conditional: 0, positive unconditional: 41, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 66, Positive cache size: 66, Positive conditional cache size: 0, Positive unconditional cache size: 66, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 41, positive: 41, positive conditional: 0, positive unconditional: 41, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 66, Positive cache size: 66, Positive conditional cache size: 0, Positive unconditional cache size: 66, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 ], Maximal queried relation: 0, Independence queries for same thread: 521 - TimeoutResultAtElement [Line: 61]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 61). Cancelled while PartialOrderCegarLoop was analyzing trace of length 55 with TraceHistMax 6,while TraceCheckSpWp was constructing forward predicates,while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations,while QuantifierPusher was running 1 iterations of DualJunctionQuantifierElimination. - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 30 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 851303.5ms, OverallIterations: 10, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 12.1ms, PartialOrderReductionTime: 32290.9ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 120, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 41.7ms SsaConstructionTime, 190.3ms SatisfiabilityAnalysisTime, 13281.1ms InterpolantComputationTime, 543 NumberOfCodeBlocks, 543 NumberOfCodeBlocksAsserted, 27 NumberOfCheckSat, 527 ConstructedInterpolants, 14 QuantifiedInterpolants, 10743 SizeOfPredicates, 38 NumberOfNonLiveVariables, 532 ConjunctsInSsa, 133 ConjunctsInUnsatCore, 16 InterpolantComputations, 2 PerfectInterpolantSequences, 86/337 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown