java -Xss4m -Xmx4000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCHC_wBE.xml --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv -s ../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_Goto.epf -i /storage/chc-comp/eldarica-misc/LIA/llreve/loop_unswitching_safe.c-1.smt2 -------------------------------------------------------------------------------- This is Ultimate 0.1.23-62c3406-m [2018-06-26 17:52:45,586 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-06-26 17:52:45,588 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-06-26 17:52:45,602 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-06-26 17:52:45,602 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-06-26 17:52:45,603 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-06-26 17:52:45,604 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-06-26 17:52:45,606 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-06-26 17:52:45,608 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-06-26 17:52:45,608 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-06-26 17:52:45,609 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-06-26 17:52:45,609 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-06-26 17:52:45,612 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-06-26 17:52:45,613 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-06-26 17:52:45,614 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-06-26 17:52:45,614 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-06-26 17:52:45,618 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-06-26 17:52:45,619 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-06-26 17:52:45,632 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-06-26 17:52:45,633 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-06-26 17:52:45,635 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-06-26 17:52:45,635 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-06-26 17:52:45,637 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-06-26 17:52:45,638 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-06-26 17:52:45,638 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-06-26 17:52:45,639 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-06-26 17:52:45,639 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-06-26 17:52:45,640 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-06-26 17:52:45,641 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-06-26 17:52:45,648 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-06-26 17:52:45,648 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-06-26 17:52:45,649 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-06-26 17:52:45,649 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-06-26 17:52:45,649 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-06-26 17:52:45,650 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-06-26 17:52:45,650 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-06-26 17:52:45,650 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/chc/AutomizerCHC/AutomizerCHC_Goto.epf [2018-06-26 17:52:45,672 INFO L110 SettingsManager]: Loading preferences was successful [2018-06-26 17:52:45,672 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-06-26 17:52:45,673 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-06-26 17:52:45,675 INFO L133 SettingsManager]: * Logger pattern=[%d{ISO8601} %-5p]: %m%n [2018-06-26 17:52:45,676 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-06-26 17:52:45,676 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-06-26 17:52:45,676 INFO L133 SettingsManager]: * Create interprocedural compositions=false [2018-06-26 17:52:45,676 INFO L133 SettingsManager]: * Use SBE=true [2018-06-26 17:52:45,677 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-06-26 17:52:45,677 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-06-26 17:52:45,677 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-06-26 17:52:45,677 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-06-26 17:52:45,677 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-26 17:52:45,678 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-06-26 17:52:45,678 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-06-26 17:52:45,678 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-06-26 17:52:45,678 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-06-26 17:52:45,678 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-06-26 17:52:45,678 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-06-26 17:52:45,678 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-06-26 17:52:45,681 INFO L133 SettingsManager]: * Compute trace for counterexample result=false [2018-06-26 17:52:45,682 INFO L131 SettingsManager]: Preferences of SmtParser differ from their defaults: [2018-06-26 17:52:45,683 INFO L133 SettingsManager]: * Use TreeAutomizer as solver for the given file (assumes the file contains Horn clauses only).=true [2018-06-26 17:52:45,730 INFO ]: Repository-Root is: /tmp [2018-06-26 17:52:45,746 INFO ]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-06-26 17:52:45,752 INFO ]: [Toolchain 1]: Toolchain data selected. [2018-06-26 17:52:45,753 INFO ]: Initializing SmtParser... [2018-06-26 17:52:45,753 INFO ]: SmtParser initialized [2018-06-26 17:52:45,754 INFO ]: [Toolchain 1]: Parsing single file: /storage/chc-comp/eldarica-misc/LIA/llreve/loop_unswitching_safe.c-1.smt2 [2018-06-26 17:52:45,755 INFO ]: Parsing .smt2 file as a set of Horn Clauses No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-06-26 17:52:45,838 INFO ]: Executing SMT file /storage/chc-comp/eldarica-misc/LIA/llreve/loop_unswitching_safe.c-1.smt2 unknown [2018-06-26 17:52:46,058 INFO ]: Succesfully executed SMT file /storage/chc-comp/eldarica-misc/LIA/llreve/loop_unswitching_safe.c-1.smt2 [2018-06-26 17:52:46,062 INFO ]: ####################### [Toolchain 1] ####################### [2018-06-26 17:52:46,068 INFO ]: Walking toolchain with 5 elements. [2018-06-26 17:52:46,068 INFO ]: ------------------------ChcToBoogie---------------------------- [2018-06-26 17:52:46,068 INFO ]: Initializing ChcToBoogie... [2018-06-26 17:52:46,068 INFO ]: ChcToBoogie initialized [2018-06-26 17:52:46,071 INFO ]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 26.06 05:52:46" (1/1) ... [2018-06-26 17:52:46,131 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 05:52:46 Unit [2018-06-26 17:52:46,131 INFO ]: ------------------------ END ChcToBoogie---------------------------- [2018-06-26 17:52:46,132 INFO ]: ------------------------Boogie Preprocessor---------------------------- [2018-06-26 17:52:46,132 INFO ]: Initializing Boogie Preprocessor... [2018-06-26 17:52:46,132 INFO ]: Boogie Preprocessor initialized [2018-06-26 17:52:46,151 INFO ]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 05:52:46" (1/1) ... [2018-06-26 17:52:46,151 INFO ]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 05:52:46" (1/1) ... [2018-06-26 17:52:46,156 INFO ]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 05:52:46" (1/1) ... [2018-06-26 17:52:46,156 INFO ]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 05:52:46" (1/1) ... [2018-06-26 17:52:46,160 INFO ]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 05:52:46" (1/1) ... [2018-06-26 17:52:46,162 INFO ]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 05:52:46" (1/1) ... [2018-06-26 17:52:46,163 INFO ]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 05:52:46" (1/1) ... [2018-06-26 17:52:46,166 INFO ]: ------------------------ END Boogie Preprocessor---------------------------- [2018-06-26 17:52:46,167 INFO ]: ------------------------RCFGBuilder---------------------------- [2018-06-26 17:52:46,167 INFO ]: Initializing RCFGBuilder... [2018-06-26 17:52:46,167 INFO ]: RCFGBuilder initialized [2018-06-26 17:52:46,167 INFO ]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 05:52:46" (1/1) ... No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2018-06-26 17:52:46,179 INFO ]: Specification and implementation of procedure gotoProc given in one single declaration [2018-06-26 17:52:46,179 INFO ]: Found specification of procedure gotoProc [2018-06-26 17:52:46,179 INFO ]: Found implementation of procedure gotoProc [2018-06-26 17:52:46,179 INFO ]: Specification and implementation of procedure Ultimate.START given in one single declaration [2018-06-26 17:52:46,179 INFO ]: Found specification of procedure Ultimate.START [2018-06-26 17:52:46,179 INFO ]: Found implementation of procedure Ultimate.START Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-06-26 17:52:46,542 INFO ]: Using library mode [2018-06-26 17:52:46,543 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.06 05:52:46 BoogieIcfgContainer [2018-06-26 17:52:46,543 INFO ]: ------------------------ END RCFGBuilder---------------------------- [2018-06-26 17:52:46,544 INFO ]: ------------------------BlockEncodingV2---------------------------- [2018-06-26 17:52:46,544 INFO ]: Initializing BlockEncodingV2... [2018-06-26 17:52:46,545 INFO ]: BlockEncodingV2 initialized [2018-06-26 17:52:46,545 INFO ]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.06 05:52:46" (1/1) ... [2018-06-26 17:52:46,560 INFO ]: Initial Icfg 14 locations, 19 edges [2018-06-26 17:52:46,561 INFO ]: Using Remove infeasible edges [2018-06-26 17:52:46,561 INFO ]: Using Maximize final states [2018-06-26 17:52:46,562 INFO ]: Using Minimize states even if more edges are added than removed.=false [2018-06-26 17:52:46,562 INFO ]: Using Minimize states using LBE with the strategy=MULTI [2018-06-26 17:52:46,564 INFO ]: Using Remove sink states [2018-06-26 17:52:46,565 INFO ]: Using Apply optimizations until nothing changes=true [2018-06-26 17:52:46,565 INFO ]: Using Use SBE [2018-06-26 17:52:46,583 INFO ]: SBE split 3 edges [2018-06-26 17:52:46,588 INFO ]: Removed 2 edges and 2 locations because of local infeasibility [2018-06-26 17:52:46,590 INFO ]: 0 new accepting states [2018-06-26 17:52:46,651 INFO ]: Removed 12 edges and 4 locations by large block encoding [2018-06-26 17:52:46,653 INFO ]: Removed 0 edges and 0 locations by removing sink states [2018-06-26 17:52:46,654 INFO ]: Removed 0 edges and 0 locations because of local infeasibility [2018-06-26 17:52:46,654 INFO ]: 0 new accepting states [2018-06-26 17:52:46,655 INFO ]: Removed 0 edges and 0 locations by large block encoding [2018-06-26 17:52:46,655 INFO ]: Removed 0 edges and 0 locations by removing sink states [2018-06-26 17:52:46,655 INFO ]: Encoded RCFG 8 locations, 16 edges [2018-06-26 17:52:46,655 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 26.06 05:52:46 BasicIcfg [2018-06-26 17:52:46,655 INFO ]: ------------------------ END BlockEncodingV2---------------------------- [2018-06-26 17:52:46,658 INFO ]: ------------------------TraceAbstraction---------------------------- [2018-06-26 17:52:46,658 INFO ]: Initializing TraceAbstraction... [2018-06-26 17:52:46,661 INFO ]: TraceAbstraction initialized [2018-06-26 17:52:46,661 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 26.06 05:52:46" (1/4) ... [2018-06-26 17:52:46,663 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b6fff44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 26.06 05:52:46, skipping insertion in model container [2018-06-26 17:52:46,663 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 26.06 05:52:46" (2/4) ... [2018-06-26 17:52:46,663 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b6fff44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.06 05:52:46, skipping insertion in model container [2018-06-26 17:52:46,663 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.06 05:52:46" (3/4) ... [2018-06-26 17:52:46,663 INFO ]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b6fff44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.06 05:52:46, skipping insertion in model container [2018-06-26 17:52:46,663 INFO ]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 26.06 05:52:46" (4/4) ... [2018-06-26 17:52:46,665 INFO ]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver_BEv2 [2018-06-26 17:52:46,675 INFO ]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-06-26 17:52:46,683 INFO ]: Appying trace abstraction to program that has 1 error locations. [2018-06-26 17:52:46,737 INFO ]: Using default assertion order modulation [2018-06-26 17:52:46,738 INFO ]: Interprodecural is true [2018-06-26 17:52:46,738 INFO ]: Hoare is false [2018-06-26 17:52:46,738 INFO ]: Compute interpolants for FPandBP [2018-06-26 17:52:46,738 INFO ]: Backedges is TWOTRACK [2018-06-26 17:52:46,738 INFO ]: Determinization is PREDICATE_ABSTRACTION [2018-06-26 17:52:46,738 INFO ]: Difference is false [2018-06-26 17:52:46,738 INFO ]: Minimize is MINIMIZE_SEVPA [2018-06-26 17:52:46,738 INFO ]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-06-26 17:52:46,753 INFO ]: Start isEmpty. Operand 8 states. [2018-06-26 17:52:46,764 INFO ]: Finished isEmpty. Found accepting run of length 7 [2018-06-26 17:52:46,764 INFO ]: Found error trace [2018-06-26 17:52:46,765 INFO ]: trace histogram [1, 1, 1, 1, 1, 1] [2018-06-26 17:52:46,765 INFO ]: === Iteration 1 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-26 17:52:46,770 INFO ]: Analyzing trace with hash 969429504, now seen corresponding path program 1 times [2018-06-26 17:52:46,772 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-26 17:52:46,773 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-26 17:52:46,819 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-26 17:52:46,819 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-26 17:52:46,819 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-26 17:52:46,862 INFO ]: Conjunction of SSA is unsat [2018-06-26 17:52:46,938 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-26 17:52:46,940 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-26 17:52:46,941 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-26 17:52:46,942 INFO ]: Interpolant automaton has 4 states [2018-06-26 17:52:46,954 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-26 17:52:46,954 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-26 17:52:46,957 INFO ]: Start difference. First operand 8 states. Second operand 4 states. [2018-06-26 17:52:47,136 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-26 17:52:47,136 INFO ]: Finished difference Result 13 states and 28 transitions. [2018-06-26 17:52:47,137 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-26 17:52:47,138 INFO ]: Start accepts. Automaton has 4 states. Word has length 6 [2018-06-26 17:52:47,138 INFO ]: Finished accepts. some prefix is accepted. [2018-06-26 17:52:47,149 INFO ]: With dead ends: 13 [2018-06-26 17:52:47,149 INFO ]: Without dead ends: 13 [2018-06-26 17:52:47,151 INFO ]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-06-26 17:52:47,169 INFO ]: Start minimizeSevpa. Operand 13 states. [2018-06-26 17:52:47,187 INFO ]: Finished minimizeSevpa. Reduced states from 13 to 10. [2018-06-26 17:52:47,189 INFO ]: Start removeUnreachable. Operand 10 states. [2018-06-26 17:52:47,189 INFO ]: Finished removeUnreachable. Reduced from 10 states to 10 states and 23 transitions. [2018-06-26 17:52:47,190 INFO ]: Start accepts. Automaton has 10 states and 23 transitions. Word has length 6 [2018-06-26 17:52:47,191 INFO ]: Finished accepts. word is rejected. [2018-06-26 17:52:47,191 INFO ]: Abstraction has 10 states and 23 transitions. [2018-06-26 17:52:47,191 INFO ]: Interpolant automaton has 4 states. [2018-06-26 17:52:47,191 INFO ]: Start isEmpty. Operand 10 states and 23 transitions. [2018-06-26 17:52:47,192 INFO ]: Finished isEmpty. Found accepting run of length 7 [2018-06-26 17:52:47,192 INFO ]: Found error trace [2018-06-26 17:52:47,192 INFO ]: trace histogram [1, 1, 1, 1, 1, 1] [2018-06-26 17:52:47,192 INFO ]: === Iteration 2 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-26 17:52:47,192 INFO ]: Analyzing trace with hash 969490047, now seen corresponding path program 1 times [2018-06-26 17:52:47,192 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-26 17:52:47,192 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-26 17:52:47,193 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-26 17:52:47,193 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-26 17:52:47,193 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-26 17:52:47,203 INFO ]: Conjunction of SSA is unsat [2018-06-26 17:52:47,265 INFO ]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-26 17:52:47,265 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-26 17:52:47,265 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-26 17:52:47,266 INFO ]: Interpolant automaton has 4 states [2018-06-26 17:52:47,266 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-26 17:52:47,267 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-26 17:52:47,267 INFO ]: Start difference. First operand 10 states and 23 transitions. Second operand 4 states. [2018-06-26 17:52:47,508 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-26 17:52:47,509 INFO ]: Finished difference Result 14 states and 29 transitions. [2018-06-26 17:52:47,510 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-26 17:52:47,510 INFO ]: Start accepts. Automaton has 4 states. Word has length 6 [2018-06-26 17:52:47,510 INFO ]: Finished accepts. some prefix is accepted. [2018-06-26 17:52:47,510 INFO ]: With dead ends: 14 [2018-06-26 17:52:47,510 INFO ]: Without dead ends: 14 [2018-06-26 17:52:47,511 INFO ]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-06-26 17:52:47,511 INFO ]: Start minimizeSevpa. Operand 14 states. [2018-06-26 17:52:47,513 INFO ]: Finished minimizeSevpa. Reduced states from 14 to 11. [2018-06-26 17:52:47,513 INFO ]: Start removeUnreachable. Operand 11 states. [2018-06-26 17:52:47,514 INFO ]: Finished removeUnreachable. Reduced from 11 states to 11 states and 24 transitions. [2018-06-26 17:52:47,514 INFO ]: Start accepts. Automaton has 11 states and 24 transitions. Word has length 6 [2018-06-26 17:52:47,514 INFO ]: Finished accepts. word is rejected. [2018-06-26 17:52:47,514 INFO ]: Abstraction has 11 states and 24 transitions. [2018-06-26 17:52:47,514 INFO ]: Interpolant automaton has 4 states. [2018-06-26 17:52:47,514 INFO ]: Start isEmpty. Operand 11 states and 24 transitions. [2018-06-26 17:52:47,514 INFO ]: Finished isEmpty. Found accepting run of length 8 [2018-06-26 17:52:47,514 INFO ]: Found error trace [2018-06-26 17:52:47,514 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-06-26 17:52:47,515 INFO ]: === Iteration 3 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-26 17:52:47,515 INFO ]: Analyzing trace with hash -12950294, now seen corresponding path program 1 times [2018-06-26 17:52:47,515 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-26 17:52:47,515 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-26 17:52:47,516 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-26 17:52:47,516 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-26 17:52:47,516 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-26 17:52:47,530 INFO ]: Conjunction of SSA is unsat [2018-06-26 17:52:47,587 INFO ]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-26 17:52:47,587 INFO ]: The current sequences of interpolants are not accepted, trying to find more. [2018-06-26 17:52:47,587 INFO ]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-06-26 17:52:47,595 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-26 17:52:47,648 INFO ]: Conjunction of SSA is unsat [2018-06-26 17:52:47,656 INFO ]: Computing forward predicates... [2018-06-26 17:52:47,695 INFO ]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-26 17:52:47,715 INFO ]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-06-26 17:52:47,715 INFO ]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 6 [2018-06-26 17:52:47,715 INFO ]: Interpolant automaton has 6 states [2018-06-26 17:52:47,715 INFO ]: Constructing interpolant automaton starting with 6 interpolants. [2018-06-26 17:52:47,716 INFO ]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-06-26 17:52:47,716 INFO ]: Start difference. First operand 11 states and 24 transitions. Second operand 6 states. [2018-06-26 17:52:47,946 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-26 17:52:47,947 INFO ]: Finished difference Result 17 states and 36 transitions. [2018-06-26 17:52:47,947 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-06-26 17:52:47,947 INFO ]: Start accepts. Automaton has 6 states. Word has length 7 [2018-06-26 17:52:47,947 INFO ]: Finished accepts. some prefix is accepted. [2018-06-26 17:52:47,948 INFO ]: With dead ends: 17 [2018-06-26 17:52:47,948 INFO ]: Without dead ends: 15 [2018-06-26 17:52:47,948 INFO ]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-06-26 17:52:47,948 INFO ]: Start minimizeSevpa. Operand 15 states. [2018-06-26 17:52:47,950 INFO ]: Finished minimizeSevpa. Reduced states from 15 to 12. [2018-06-26 17:52:47,951 INFO ]: Start removeUnreachable. Operand 12 states. [2018-06-26 17:52:47,951 INFO ]: Finished removeUnreachable. Reduced from 12 states to 12 states and 28 transitions. [2018-06-26 17:52:47,951 INFO ]: Start accepts. Automaton has 12 states and 28 transitions. Word has length 7 [2018-06-26 17:52:47,951 INFO ]: Finished accepts. word is rejected. [2018-06-26 17:52:47,951 INFO ]: Abstraction has 12 states and 28 transitions. [2018-06-26 17:52:47,951 INFO ]: Interpolant automaton has 6 states. [2018-06-26 17:52:47,951 INFO ]: Start isEmpty. Operand 12 states and 28 transitions. [2018-06-26 17:52:47,951 INFO ]: Finished isEmpty. Found accepting run of length 8 [2018-06-26 17:52:47,951 INFO ]: Found error trace [2018-06-26 17:52:47,951 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-06-26 17:52:47,951 INFO ]: === Iteration 4 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-26 17:52:47,952 INFO ]: Analyzing trace with hash -26594572, now seen corresponding path program 1 times [2018-06-26 17:52:47,952 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-26 17:52:47,952 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-26 17:52:47,952 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-26 17:52:47,952 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-26 17:52:47,953 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-26 17:52:47,963 INFO ]: Conjunction of SSA is unsat [2018-06-26 17:52:48,014 INFO ]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-26 17:52:48,014 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-26 17:52:48,014 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-26 17:52:48,014 INFO ]: Interpolant automaton has 4 states [2018-06-26 17:52:48,014 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-26 17:52:48,014 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-26 17:52:48,014 INFO ]: Start difference. First operand 12 states and 28 transitions. Second operand 4 states. [2018-06-26 17:52:48,149 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-26 17:52:48,149 INFO ]: Finished difference Result 16 states and 37 transitions. [2018-06-26 17:52:48,150 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-26 17:52:48,150 INFO ]: Start accepts. Automaton has 4 states. Word has length 7 [2018-06-26 17:52:48,150 INFO ]: Finished accepts. some prefix is accepted. [2018-06-26 17:52:48,150 INFO ]: With dead ends: 16 [2018-06-26 17:52:48,150 INFO ]: Without dead ends: 15 [2018-06-26 17:52:48,151 INFO ]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-06-26 17:52:48,151 INFO ]: Start minimizeSevpa. Operand 15 states. [2018-06-26 17:52:48,152 INFO ]: Finished minimizeSevpa. Reduced states from 15 to 13. [2018-06-26 17:52:48,152 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-26 17:52:48,153 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 31 transitions. [2018-06-26 17:52:48,153 INFO ]: Start accepts. Automaton has 13 states and 31 transitions. Word has length 7 [2018-06-26 17:52:48,153 INFO ]: Finished accepts. word is rejected. [2018-06-26 17:52:48,153 INFO ]: Abstraction has 13 states and 31 transitions. [2018-06-26 17:52:48,153 INFO ]: Interpolant automaton has 4 states. [2018-06-26 17:52:48,153 INFO ]: Start isEmpty. Operand 13 states and 31 transitions. [2018-06-26 17:52:48,153 INFO ]: Finished isEmpty. Found accepting run of length 8 [2018-06-26 17:52:48,153 INFO ]: Found error trace [2018-06-26 17:52:48,153 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-06-26 17:52:48,153 INFO ]: === Iteration 5 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-26 17:52:48,153 INFO ]: Analyzing trace with hash -26534029, now seen corresponding path program 1 times [2018-06-26 17:52:48,153 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-26 17:52:48,154 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-26 17:52:48,156 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-26 17:52:48,156 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-26 17:52:48,156 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-26 17:52:48,170 INFO ]: Conjunction of SSA is unsat [2018-06-26 17:52:48,210 INFO ]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-06-26 17:52:48,210 INFO ]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-06-26 17:52:48,210 INFO ]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-06-26 17:52:48,211 INFO ]: Interpolant automaton has 4 states [2018-06-26 17:52:48,211 INFO ]: Constructing interpolant automaton starting with 4 interpolants. [2018-06-26 17:52:48,211 INFO ]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-06-26 17:52:48,211 INFO ]: Start difference. First operand 13 states and 31 transitions. Second operand 4 states. [2018-06-26 17:52:48,270 INFO ]: Subtrahend was deterministic. Have not used determinization. [2018-06-26 17:52:48,270 INFO ]: Finished difference Result 17 states and 37 transitions. [2018-06-26 17:52:48,270 INFO ]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-06-26 17:52:48,270 INFO ]: Start accepts. Automaton has 4 states. Word has length 7 [2018-06-26 17:52:48,270 INFO ]: Finished accepts. some prefix is accepted. [2018-06-26 17:52:48,271 INFO ]: With dead ends: 17 [2018-06-26 17:52:48,271 INFO ]: Without dead ends: 17 [2018-06-26 17:52:48,271 INFO ]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-06-26 17:52:48,271 INFO ]: Start minimizeSevpa. Operand 17 states. [2018-06-26 17:52:48,273 INFO ]: Finished minimizeSevpa. Reduced states from 17 to 13. [2018-06-26 17:52:48,273 INFO ]: Start removeUnreachable. Operand 13 states. [2018-06-26 17:52:48,273 INFO ]: Finished removeUnreachable. Reduced from 13 states to 13 states and 31 transitions. [2018-06-26 17:52:48,273 INFO ]: Start accepts. Automaton has 13 states and 31 transitions. Word has length 7 [2018-06-26 17:52:48,274 INFO ]: Finished accepts. word is rejected. [2018-06-26 17:52:48,274 INFO ]: Abstraction has 13 states and 31 transitions. [2018-06-26 17:52:48,274 INFO ]: Interpolant automaton has 4 states. [2018-06-26 17:52:48,274 INFO ]: Start isEmpty. Operand 13 states and 31 transitions. [2018-06-26 17:52:48,274 INFO ]: Finished isEmpty. Found accepting run of length 8 [2018-06-26 17:52:48,274 INFO ]: Found error trace [2018-06-26 17:52:48,274 INFO ]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-06-26 17:52:48,274 INFO ]: === Iteration 6 === [Ultimate.STARTErr0AssertViolationASSERT]=== [2018-06-26 17:52:48,274 INFO ]: Analyzing trace with hash -26504238, now seen corresponding path program 1 times [2018-06-26 17:52:48,274 INFO ]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-06-26 17:52:48,274 INFO ]: Using refinement strategy CamelRefinementStrategy [2018-06-26 17:52:48,275 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-26 17:52:48,275 INFO ]: Keeping assertion order NOT_INCREMENTALLY [2018-06-26 17:52:48,275 INFO ]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-06-26 17:52:48,286 INFO ]: Conjunction of SSA is sat [2018-06-26 17:52:48,289 INFO ]: Counterexample might be feasible [2018-06-26 17:52:48,301 INFO ]: Did not count any witness invariants because Icfg is not BoogieIcfg [2018-06-26 17:52:48,302 INFO ]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.06 05:52:48 BasicIcfg [2018-06-26 17:52:48,302 INFO ]: ------------------------ END TraceAbstraction---------------------------- [2018-06-26 17:52:48,303 INFO ]: Toolchain (without parser) took 2240.22 ms. Allocated memory was 305.1 MB in the beginning and 324.5 MB in the end (delta: 19.4 MB). Free memory was 257.5 MB in the beginning and 278.3 MB in the end (delta: -20.8 MB). There was no memory consumed. Max. memory is 3.6 GB. [2018-06-26 17:52:48,304 INFO ]: SmtParser took 0.07 ms. Allocated memory is still 305.1 MB. Free memory is still 267.6 MB. There was no memory consumed. Max. memory is 3.6 GB. [2018-06-26 17:52:48,304 INFO ]: ChcToBoogie took 63.51 ms. Allocated memory is still 305.1 MB. Free memory was 257.5 MB in the beginning and 255.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-26 17:52:48,305 INFO ]: Boogie Preprocessor took 34.03 ms. Allocated memory is still 305.1 MB. Free memory was 255.5 MB in the beginning and 253.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. [2018-06-26 17:52:48,305 INFO ]: RCFGBuilder took 376.54 ms. Allocated memory is still 305.1 MB. Free memory was 253.5 MB in the beginning and 243.5 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 3.6 GB. [2018-06-26 17:52:48,307 INFO ]: BlockEncodingV2 took 111.79 ms. Allocated memory is still 305.1 MB. Free memory was 243.5 MB in the beginning and 237.5 MB in the end (delta: 6.0 MB). Peak memory consumption was 6.0 MB. Max. memory is 3.6 GB. [2018-06-26 17:52:48,307 INFO ]: TraceAbstraction took 1643.73 ms. Allocated memory was 305.1 MB in the beginning and 324.5 MB in the end (delta: 19.4 MB). Free memory was 237.5 MB in the beginning and 278.3 MB in the end (delta: -40.8 MB). There was no memory consumed. Max. memory is 3.6 GB. [2018-06-26 17:52:48,311 INFO ]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: - StatisticsResult: Initial Icfg 14 locations, 19 edges - StatisticsResult: Encoded RCFG 8 locations, 16 edges * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * SmtParser took 0.07 ms. Allocated memory is still 305.1 MB. Free memory is still 267.6 MB. There was no memory consumed. Max. memory is 3.6 GB. * ChcToBoogie took 63.51 ms. Allocated memory is still 305.1 MB. Free memory was 257.5 MB in the beginning and 255.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * Boogie Preprocessor took 34.03 ms. Allocated memory is still 305.1 MB. Free memory was 255.5 MB in the beginning and 253.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 3.6 GB. * RCFGBuilder took 376.54 ms. Allocated memory is still 305.1 MB. Free memory was 253.5 MB in the beginning and 243.5 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 3.6 GB. * BlockEncodingV2 took 111.79 ms. Allocated memory is still 305.1 MB. Free memory was 243.5 MB in the beginning and 237.5 MB in the end (delta: 6.0 MB). Peak memory consumption was 6.0 MB. Max. memory is 3.6 GB. * TraceAbstraction took 1643.73 ms. Allocated memory was 305.1 MB in the beginning and 324.5 MB in the end (delta: 19.4 MB). Free memory was 237.5 MB in the beginning and 278.3 MB in the end (delta: -40.8 MB). There was no memory consumed. Max. memory is 3.6 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [UNKNOWN] : assertion can be violated assertion can be violated We found a FailurePath: [L0] CALL call gotoProc(0, 0, 0, 0, 0, 0, 0); [L0] assume !(!(hbv_inv_main34_2_Int == 0) && 0 <= hbv_inv_main34_3_Int + -1) && !(hbv_inv_main34_1_Int == 0); [L0] hhv_inv_main23_0_Int, hhv_inv_main23_1_Int, hhv_inv_main23_2_Int, hhv_inv_main23_3_Int, hhv_inv_main23_4_Int, hhv_inv_main23_5_Int := hhv_inv_main34_0_Int, hhv_inv_main34_1_Int, hhv_inv_main34_2_Int, hbv_inv_main34_4_Int, hbv_inv_main34_3_Int, hhv_inv_main34_3_Int; [L0] havoc hbv_inv_main34_3_Int, hbv_inv_main34_1_Int, hbv_inv_main34_2_Int, hbv_inv_main34_4_Int; [L0] assume ((((hhv_inv_main23_4_Int == hbv_inv_main23_3_Int + -1 && hhv_inv_main23_5_Int == hbv_inv_main23_4_Int + 1) && !(hbv_inv_main23_1_Int == 0)) && !(hbv_inv_main23_2_Int == 0)) && 0 <= hhv_inv_main23_3_Int + -1) && 0 <= hbv_inv_main23_3_Int + -1; [L0] hhv_inv_main23_0_Int, hhv_inv_main23_1_Int, hhv_inv_main23_2_Int, hhv_inv_main23_3_Int, hhv_inv_main23_4_Int, hhv_inv_main23_5_Int := hhv_inv_main23_0_Int, hhv_inv_main23_1_Int, hhv_inv_main23_2_Int, hhv_inv_main23_3_Int, hbv_inv_main23_3_Int, hbv_inv_main23_4_Int; [L0] havoc hbv_inv_main23_4_Int, hbv_inv_main23_2_Int, hbv_inv_main23_1_Int, hbv_inv_main23_3_Int; [L0] assume ((!(0 <= hbv_inv_main23_1_Int + -1 && !(hbv_inv_main23_2_Int == 0)) && hhv_inv_main23_5_Int == 0) && hhv_inv_main23_3_Int == hhv_inv_main23_0_Int) && hhv_inv_main23_4_Int == hhv_inv_main23_1_Int; [L0] hhv_inv_main9_0_Int, hhv_inv_main9_1_Int, hhv_inv_main9_2_Int, hhv_inv_main9_3_Int, hhv_inv_main9_4_Int := hhv_inv_main23_0_Int, hhv_inv_main23_1_Int, hbv_inv_main23_3_Int, hbv_inv_main23_1_Int, hhv_inv_main23_2_Int; [L0] havoc hbv_inv_main23_2_Int, hbv_inv_main23_1_Int, hbv_inv_main23_3_Int; [L0] RET call gotoProc(0, 0, 0, 0, 0, 0, 0); [L0] assert false; - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 8 locations, 1 error locations. UNSAFE Result, 1.5s OverallTime, 6 OverallIterations, 1 TraceHistogramMax, 0.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 56 SDtfs, 36 SDslu, 108 SDs, 0 SdLazy, 140 SolverSat, 17 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 33 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=13occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 15 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 47 NumberOfCodeBlocks, 47 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 34 ConstructedInterpolants, 0 QuantifiedInterpolants, 410 SizeOfPredicates, 4 NumberOfNonLiveVariables, 90 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 3/4 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/loop_unswitching_safe.c-1.smt2_AutomizerCHC_Goto.epf_AutomizerCHC_wBE.xml/Csv-GraphSizeCsvProvider-0-2018-06-26_17-52-48-321.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/loop_unswitching_safe.c-1.smt2_AutomizerCHC_Goto.epf_AutomizerCHC_wBE.xml/Csv-GraphSizeCsvProvider-1-2018-06-26_17-52-48-321.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/loop_unswitching_safe.c-1.smt2_AutomizerCHC_Goto.epf_AutomizerCHC_wBE.xml/Csv-Benchmark-0-2018-06-26_17-52-48-321.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/loop_unswitching_safe.c-1.smt2_AutomizerCHC_Goto.epf_AutomizerCHC_wBE.xml/Csv-TraceAbstractionBenchmarks-0-2018-06-26_17-52-48-321.csv Received shutdown request...