/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/loop-crafted/simple_array_index_value_4.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-72570d3 [2020-08-22 19:46:37,503 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-22 19:46:37,506 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-22 19:46:37,536 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-08-22 19:46:37,616 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-08-22 19:46:37,632 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-22 19:46:37,632 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-22 19:46:37,634 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-22 19:46:37,634 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-22 19:46:37,634 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-22 19:46:37,634 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-22 19:46:37,635 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-22 19:46:37,635 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-22 19:46:37,635 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-22 19:46:37,635 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-22 19:46:37,636 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-22 19:46:37,636 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-22 19:46:37,637 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-22 19:46:37,637 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-22 19:46:37,637 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-22 19:46:37,638 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-08-22 19:46:37,638 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-22 19:46:37,638 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-22 19:46:37,638 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-22 19:46:37,638 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-22 19:46:37,639 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-08-22 19:46:37,639 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-22 19:46:37,639 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-08-22 19:46:37,964 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-22 19:46:37,986 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-22 19:46:37,990 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-22 19:46:37,994 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-22 19:46:37,995 INFO L275 PluginConnector]: CDTParser initialized [2020-08-22 19:46:37,996 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-crafted/simple_array_index_value_4.i [2020-08-22 19:46:38,077 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1a263613a/6575bae3d23646a69035e2f942e357e0/FLAG4e933da44 [2020-08-22 19:46:38,562 INFO L306 CDTParser]: Found 1 translation units. [2020-08-22 19:46:38,562 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-crafted/simple_array_index_value_4.i [2020-08-22 19:46:38,569 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1a263613a/6575bae3d23646a69035e2f942e357e0/FLAG4e933da44 [2020-08-22 19:46:38,916 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1a263613a/6575bae3d23646a69035e2f942e357e0 [2020-08-22 19:46:38,926 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-22 19:46:38,927 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-22 19:46:38,928 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-22 19:46:38,928 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-22 19:46:38,932 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-22 19:46:38,933 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 07:46:38" (1/1) ... [2020-08-22 19:46:38,937 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@567df939 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:46:38, skipping insertion in model container [2020-08-22 19:46:38,937 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 07:46:38" (1/1) ... [2020-08-22 19:46:38,945 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-22 19:46:38,966 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-22 19:46:39,162 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 19:46:39,172 INFO L203 MainTranslator]: Completed pre-run [2020-08-22 19:46:39,197 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 19:46:39,215 INFO L208 MainTranslator]: Completed translation [2020-08-22 19:46:39,216 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:46:39 WrapperNode [2020-08-22 19:46:39,216 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-22 19:46:39,217 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-22 19:46:39,217 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-22 19:46:39,217 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-22 19:46:39,310 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:46:39" (1/1) ... [2020-08-22 19:46:39,310 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:46:39" (1/1) ... [2020-08-22 19:46:39,318 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:46:39" (1/1) ... [2020-08-22 19:46:39,319 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:46:39" (1/1) ... [2020-08-22 19:46:39,326 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:46:39" (1/1) ... [2020-08-22 19:46:39,332 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:46:39" (1/1) ... [2020-08-22 19:46:39,333 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:46:39" (1/1) ... [2020-08-22 19:46:39,336 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-22 19:46:39,336 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-22 19:46:39,337 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-22 19:46:39,337 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-22 19:46:39,338 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:46:39" (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 [2020-08-22 19:46:39,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-22 19:46:39,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-22 19:46:39,408 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-08-22 19:46:39,408 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-08-22 19:46:39,408 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-22 19:46:39,408 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-22 19:46:39,408 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-08-22 19:46:39,408 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-08-22 19:46:39,408 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-08-22 19:46:39,408 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2020-08-22 19:46:39,408 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-22 19:46:39,409 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-22 19:46:39,409 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-22 19:46:39,409 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-22 19:46:39,409 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-22 19:46:39,410 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-22 19:46:39,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-22 19:46:39,753 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-22 19:46:39,753 INFO L295 CfgBuilder]: Removed 2 assume(true) statements. [2020-08-22 19:46:39,758 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 07:46:39 BoogieIcfgContainer [2020-08-22 19:46:39,758 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-22 19:46:39,760 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-22 19:46:39,760 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-22 19:46:39,763 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-22 19:46:39,764 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.08 07:46:38" (1/3) ... [2020-08-22 19:46:39,765 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6df90a18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 07:46:39, skipping insertion in model container [2020-08-22 19:46:39,765 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:46:39" (2/3) ... [2020-08-22 19:46:39,765 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6df90a18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 07:46:39, skipping insertion in model container [2020-08-22 19:46:39,765 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 07:46:39" (3/3) ... [2020-08-22 19:46:39,767 INFO L109 eAbstractionObserver]: Analyzing ICFG simple_array_index_value_4.i [2020-08-22 19:46:39,778 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-22 19:46:39,787 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-22 19:46:39,801 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-22 19:46:39,823 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-22 19:46:39,823 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-22 19:46:39,823 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-08-22 19:46:39,824 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-22 19:46:39,824 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-22 19:46:39,824 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-22 19:46:39,824 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-22 19:46:39,824 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-22 19:46:39,839 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states. [2020-08-22 19:46:39,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-08-22 19:46:39,851 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 19:46:39,852 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 19:46:39,852 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 19:46:39,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 19:46:39,858 INFO L82 PathProgramCache]: Analyzing trace with hash 1727331883, now seen corresponding path program 1 times [2020-08-22 19:46:39,865 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 19:46:39,866 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1722803252] [2020-08-22 19:46:39,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 19:46:39,923 INFO L288 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-08-22 19:46:39,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:46:40,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 19:46:40,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:46:40,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-08-22 19:46:40,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:46:40,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-08-22 19:46:40,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:46:40,240 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-22 19:46:40,243 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1722803252] [2020-08-22 19:46:40,245 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 19:46:40,245 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-22 19:46:40,246 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1293394095] [2020-08-22 19:46:40,251 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-22 19:46:40,252 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 19:46:40,266 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-22 19:46:40,267 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-08-22 19:46:40,270 INFO L87 Difference]: Start difference. First operand 61 states. Second operand 9 states. [2020-08-22 19:46:40,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 19:46:40,848 INFO L93 Difference]: Finished difference Result 137 states and 170 transitions. [2020-08-22 19:46:40,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-22 19:46:40,850 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 30 [2020-08-22 19:46:40,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 19:46:40,862 INFO L225 Difference]: With dead ends: 137 [2020-08-22 19:46:40,862 INFO L226 Difference]: Without dead ends: 79 [2020-08-22 19:46:40,866 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2020-08-22 19:46:40,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2020-08-22 19:46:40,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 60. [2020-08-22 19:46:40,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2020-08-22 19:46:40,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 65 transitions. [2020-08-22 19:46:40,925 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 65 transitions. Word has length 30 [2020-08-22 19:46:40,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 19:46:40,926 INFO L479 AbstractCegarLoop]: Abstraction has 60 states and 65 transitions. [2020-08-22 19:46:40,926 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-22 19:46:40,926 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 65 transitions. [2020-08-22 19:46:40,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-08-22 19:46:40,928 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 19:46:40,929 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 19:46:40,929 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-22 19:46:40,929 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 19:46:40,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 19:46:40,930 INFO L82 PathProgramCache]: Analyzing trace with hash 1086220015, now seen corresponding path program 1 times [2020-08-22 19:46:40,930 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 19:46:40,931 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [45121577] [2020-08-22 19:46:40,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 19:46:40,933 INFO L288 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-08-22 19:46:40,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:46:41,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 19:46:41,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:46:41,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-08-22 19:46:41,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:46:41,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-08-22 19:46:41,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:46:41,052 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-08-22 19:46:41,052 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [45121577] [2020-08-22 19:46:41,053 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 19:46:41,053 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-22 19:46:41,053 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537916093] [2020-08-22 19:46:41,054 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-22 19:46:41,055 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 19:46:41,055 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-22 19:46:41,056 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-08-22 19:46:41,056 INFO L87 Difference]: Start difference. First operand 60 states and 65 transitions. Second operand 4 states. [2020-08-22 19:46:41,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 19:46:41,201 INFO L93 Difference]: Finished difference Result 91 states and 97 transitions. [2020-08-22 19:46:41,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-08-22 19:46:41,203 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 34 [2020-08-22 19:46:41,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 19:46:41,205 INFO L225 Difference]: With dead ends: 91 [2020-08-22 19:46:41,205 INFO L226 Difference]: Without dead ends: 72 [2020-08-22 19:46:41,209 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-08-22 19:46:41,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2020-08-22 19:46:41,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 60. [2020-08-22 19:46:41,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2020-08-22 19:46:41,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 64 transitions. [2020-08-22 19:46:41,240 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 64 transitions. Word has length 34 [2020-08-22 19:46:41,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 19:46:41,241 INFO L479 AbstractCegarLoop]: Abstraction has 60 states and 64 transitions. [2020-08-22 19:46:41,242 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-22 19:46:41,242 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 64 transitions. [2020-08-22 19:46:41,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-08-22 19:46:41,244 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 19:46:41,245 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 19:46:41,245 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-22 19:46:41,245 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 19:46:41,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 19:46:41,246 INFO L82 PathProgramCache]: Analyzing trace with hash 1811286385, now seen corresponding path program 1 times [2020-08-22 19:46:41,246 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 19:46:41,247 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1687985430] [2020-08-22 19:46:41,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 19:46:41,252 INFO L288 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-08-22 19:46:41,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:46:41,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 19:46:41,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:46:41,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-08-22 19:46:41,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:46:41,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-08-22 19:46:41,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:46:41,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 19:46:41,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:46:41,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-08-22 19:46:41,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:46:41,663 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-08-22 19:46:41,664 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1687985430] [2020-08-22 19:46:41,664 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 19:46:41,665 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-08-22 19:46:41,665 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [398292512] [2020-08-22 19:46:41,666 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-08-22 19:46:41,666 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 19:46:41,666 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-08-22 19:46:41,667 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2020-08-22 19:46:41,667 INFO L87 Difference]: Start difference. First operand 60 states and 64 transitions. Second operand 12 states. [2020-08-22 19:46:42,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 19:46:42,230 INFO L93 Difference]: Finished difference Result 84 states and 89 transitions. [2020-08-22 19:46:42,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-08-22 19:46:42,231 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 52 [2020-08-22 19:46:42,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 19:46:42,233 INFO L225 Difference]: With dead ends: 84 [2020-08-22 19:46:42,234 INFO L226 Difference]: Without dead ends: 82 [2020-08-22 19:46:42,235 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 10 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=76, Invalid=344, Unknown=0, NotChecked=0, Total=420 [2020-08-22 19:46:42,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2020-08-22 19:46:42,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 59. [2020-08-22 19:46:42,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2020-08-22 19:46:42,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 62 transitions. [2020-08-22 19:46:42,249 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 62 transitions. Word has length 52 [2020-08-22 19:46:42,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 19:46:42,250 INFO L479 AbstractCegarLoop]: Abstraction has 59 states and 62 transitions. [2020-08-22 19:46:42,250 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-08-22 19:46:42,250 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 62 transitions. [2020-08-22 19:46:42,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-08-22 19:46:42,252 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 19:46:42,252 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 19:46:42,253 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-22 19:46:42,253 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 19:46:42,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 19:46:42,253 INFO L82 PathProgramCache]: Analyzing trace with hash 2082234165, now seen corresponding path program 1 times [2020-08-22 19:46:42,254 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 19:46:42,254 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [169674918] [2020-08-22 19:46:42,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 19:46:42,256 INFO L288 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-08-22 19:46:42,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:46:43,077 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 49 [2020-08-22 19:46:43,303 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 62 [2020-08-22 19:46:45,774 WARN L193 SmtUtils]: Spent 2.43 s on a formula simplification. DAG size of input: 136 DAG size of output: 70 [2020-08-22 19:46:46,562 WARN L193 SmtUtils]: Spent 712.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 88 [2020-08-22 19:46:51,197 WARN L193 SmtUtils]: Spent 4.55 s on a formula simplification. DAG size of input: 145 DAG size of output: 79 [2020-08-22 19:46:51,603 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 61 [2020-08-22 19:46:52,150 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 62 [2020-08-22 19:46:52,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 19:46:52,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:46:52,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-08-22 19:46:52,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:46:52,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-08-22 19:46:52,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:46:52,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 19:46:52,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:46:52,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-08-22 19:46:52,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:46:52,718 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-08-22 19:46:52,718 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [169674918] [2020-08-22 19:46:52,719 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 19:46:52,720 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-08-22 19:46:52,720 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2085621507] [2020-08-22 19:46:52,720 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-08-22 19:46:52,721 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 19:46:52,721 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-08-22 19:46:52,722 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2020-08-22 19:46:52,722 INFO L87 Difference]: Start difference. First operand 59 states and 62 transitions. Second operand 18 states. [2020-08-22 19:46:53,837 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-08-22 19:46:54,316 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 117 [2020-08-22 19:46:56,826 WARN L193 SmtUtils]: Spent 2.38 s on a formula simplification that was a NOOP. DAG size: 134 [2020-08-22 19:47:01,363 WARN L193 SmtUtils]: Spent 4.41 s on a formula simplification that was a NOOP. DAG size: 114 [2020-08-22 19:47:01,679 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2020-08-22 19:47:05,999 WARN L193 SmtUtils]: Spent 4.25 s on a formula simplification that was a NOOP. DAG size: 87 [2020-08-22 19:47:06,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 19:47:06,344 INFO L93 Difference]: Finished difference Result 73 states and 76 transitions. [2020-08-22 19:47:06,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-08-22 19:47:06,348 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 56 [2020-08-22 19:47:06,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 19:47:06,352 INFO L225 Difference]: With dead ends: 73 [2020-08-22 19:47:06,353 INFO L226 Difference]: Without dead ends: 71 [2020-08-22 19:47:06,353 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 10 SyntacticMatches, 3 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 183 ImplicationChecksByTransitivity, 22.2s TimeCoverageRelationStatistics Valid=123, Invalid=807, Unknown=0, NotChecked=0, Total=930 [2020-08-22 19:47:06,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2020-08-22 19:47:06,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 67. [2020-08-22 19:47:06,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2020-08-22 19:47:06,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 70 transitions. [2020-08-22 19:47:06,371 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 70 transitions. Word has length 56 [2020-08-22 19:47:06,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 19:47:06,371 INFO L479 AbstractCegarLoop]: Abstraction has 67 states and 70 transitions. [2020-08-22 19:47:06,372 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-08-22 19:47:06,372 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 70 transitions. [2020-08-22 19:47:06,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2020-08-22 19:47:06,373 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 19:47:06,373 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 19:47:06,373 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-22 19:47:06,374 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 19:47:06,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 19:47:06,374 INFO L82 PathProgramCache]: Analyzing trace with hash -261126320, now seen corresponding path program 1 times [2020-08-22 19:47:06,374 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 19:47:06,375 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1785732657] [2020-08-22 19:47:06,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 19:47:06,377 INFO L288 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-08-22 19:47:06,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:47:06,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 19:47:06,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:47:06,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-08-22 19:47:06,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:47:06,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-08-22 19:47:06,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:47:06,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 19:47:06,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:47:06,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-08-22 19:47:06,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:47:06,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-08-22 19:47:06,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:47:06,804 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-08-22 19:47:06,805 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1785732657] [2020-08-22 19:47:06,805 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 19:47:06,805 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-08-22 19:47:06,806 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294383969] [2020-08-22 19:47:06,806 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-08-22 19:47:06,806 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 19:47:06,807 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-08-22 19:47:06,807 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2020-08-22 19:47:06,807 INFO L87 Difference]: Start difference. First operand 67 states and 70 transitions. Second operand 12 states. [2020-08-22 19:47:07,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 19:47:07,951 INFO L93 Difference]: Finished difference Result 87 states and 92 transitions. [2020-08-22 19:47:07,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-08-22 19:47:07,952 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 72 [2020-08-22 19:47:07,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 19:47:07,953 INFO L225 Difference]: With dead ends: 87 [2020-08-22 19:47:07,953 INFO L226 Difference]: Without dead ends: 0 [2020-08-22 19:47:07,955 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 13 SyntacticMatches, 4 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=119, Invalid=481, Unknown=0, NotChecked=0, Total=600 [2020-08-22 19:47:07,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-22 19:47:07,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-22 19:47:07,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-22 19:47:07,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-22 19:47:07,956 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 72 [2020-08-22 19:47:07,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 19:47:07,956 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-22 19:47:07,956 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-08-22 19:47:07,956 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-22 19:47:07,956 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-22 19:47:07,956 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-22 19:47:07,959 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-22 19:47:08,316 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 39 [2020-08-22 19:47:08,534 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 41 [2020-08-22 19:47:08,636 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 33 [2020-08-22 19:47:11,022 WARN L193 SmtUtils]: Spent 2.29 s on a formula simplification. DAG size of input: 93 DAG size of output: 88 [2020-08-22 19:47:13,304 WARN L193 SmtUtils]: Spent 2.28 s on a formula simplification. DAG size of input: 83 DAG size of output: 78 [2020-08-22 19:47:13,434 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 63 [2020-08-22 19:47:15,867 WARN L193 SmtUtils]: Spent 2.41 s on a formula simplification. DAG size of input: 141 DAG size of output: 71 [2020-08-22 19:47:16,715 WARN L193 SmtUtils]: Spent 845.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 58 [2020-08-22 19:47:16,875 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 37 [2020-08-22 19:47:17,555 WARN L193 SmtUtils]: Spent 449.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 72 [2020-08-22 19:47:22,312 WARN L193 SmtUtils]: Spent 4.75 s on a formula simplification. DAG size of input: 159 DAG size of output: 77 [2020-08-22 19:47:22,500 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 48 [2020-08-22 19:47:22,814 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 71 [2020-08-22 19:47:22,820 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-08-22 19:47:22,820 INFO L271 CegarLoopResult]: At program point L-1-1(line -1) the Hoare annotation is: true [2020-08-22 19:47:22,820 INFO L271 CegarLoopResult]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2020-08-22 19:47:22,821 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#valid)| |#valid|)) [2020-08-22 19:47:22,821 INFO L271 CegarLoopResult]: At program point ULTIMATE.initEXIT(line -1) the Hoare annotation is: true [2020-08-22 19:47:22,821 INFO L271 CegarLoopResult]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2020-08-22 19:47:22,821 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-08-22 19:47:22,821 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-22 19:47:22,822 INFO L271 CegarLoopResult]: At program point ULTIMATE.startFINAL(line -1) the Hoare annotation is: true [2020-08-22 19:47:22,822 INFO L271 CegarLoopResult]: At program point assume_abort_if_notENTRY(lines 9 11) the Hoare annotation is: true [2020-08-22 19:47:22,822 INFO L264 CegarLoopResult]: At program point L10(line 10) the Hoare annotation is: (= assume_abort_if_not_~cond |assume_abort_if_not_#in~cond|) [2020-08-22 19:47:22,822 INFO L264 CegarLoopResult]: At program point L10-1(line 10) the Hoare annotation is: (= assume_abort_if_not_~cond |assume_abort_if_not_#in~cond|) [2020-08-22 19:47:22,822 INFO L264 CegarLoopResult]: At program point L10-3(lines 9 11) the Hoare annotation is: (and (= assume_abort_if_not_~cond |assume_abort_if_not_#in~cond|) (not (= |assume_abort_if_not_#in~cond| 0))) [2020-08-22 19:47:22,822 INFO L264 CegarLoopResult]: At program point assume_abort_if_notEXIT(lines 9 11) the Hoare annotation is: (and (= assume_abort_if_not_~cond |assume_abort_if_not_#in~cond|) (not (= |assume_abort_if_not_#in~cond| 0))) [2020-08-22 19:47:22,823 INFO L264 CegarLoopResult]: At program point L31(line 31) the Hoare annotation is: (= main_~loop_entered~0 0) [2020-08-22 19:47:22,823 INFO L271 CegarLoopResult]: At program point L27(line 27) the Hoare annotation is: true [2020-08-22 19:47:22,823 INFO L271 CegarLoopResult]: At program point mainEXIT(lines 22 50) the Hoare annotation is: true [2020-08-22 19:47:22,823 INFO L264 CegarLoopResult]: At program point L44(line 44) the Hoare annotation is: (let ((.cse16 (div main_~index1~0 4294967296)) (.cse17 (div main_~index2~0 4294967296))) (let ((.cse14 (* 4294967296 .cse17)) (.cse15 (* 4294967296 .cse16))) (let ((.cse1 (+ .cse15 main_~index2~0 1)) (.cse0 (+ .cse14 main_~index1~0))) (and (<= .cse0 .cse1) (<= .cse1 .cse0) (let ((.cse5 (select |#memory_int| |main_~#array~0.base|)) (.cse12 (* .cse17 (- 17179869184))) (.cse13 (* main_~index2~0 4))) (let ((.cse4 (select .cse5 (+ .cse12 .cse13 |main_~#array~0.offset|))) (.cse6 (* .cse16 (- 17179869184))) (.cse7 (* main_~index1~0 4)) (.cse2 (+ .cse15 2147483647))) (or (and (<= main_~index1~0 .cse2) (<= (let ((.cse3 (select .cse5 (+ .cse6 .cse7 |main_~#array~0.offset|)))) (+ .cse3 (* 4294967296 (div (+ (* .cse3 (- 1)) .cse4 4294967295) 4294967296)))) .cse4)) (and (let ((.cse9 (select .cse5 (+ .cse6 .cse7 |main_~#array~0.offset| (- 17179869184))))) (let ((.cse8 (+ .cse14 2147483647)) (.cse11 (* .cse9 (- 1)))) (or (and (< .cse8 main_~index2~0) (let ((.cse10 (select .cse5 (+ .cse12 .cse13 |main_~#array~0.offset| (- 17179869184))))) (<= (+ .cse9 (* 4294967296 (div (+ .cse10 .cse11 4294967295) 4294967296))) .cse10))) (and (<= main_~index2~0 .cse8) (<= (+ .cse9 (* 4294967296 (div (+ .cse4 .cse11 4294967295) 4294967296))) .cse4))))) (< .cse2 main_~index1~0))))))))) [2020-08-22 19:47:22,824 INFO L264 CegarLoopResult]: At program point L44-1(line 44) the Hoare annotation is: (let ((.cse20 (div main_~index2~0 4294967296))) (let ((.cse14 (div main_~index1~0 4294967296)) (.cse19 (* 4294967296 .cse20))) (let ((.cse5 (select |#memory_int| |main_~#array~0.base|)) (.cse16 (* .cse20 (- 17179869184))) (.cse17 (* main_~index2~0 4)) (.cse18 (+ .cse19 2147483647)) (.cse13 (* 4294967296 .cse14))) (let ((.cse1 (+ .cse13 main_~index2~0 1)) (.cse0 (+ .cse19 main_~index1~0)) (.cse8 (< .cse18 main_~index2~0)) (.cse10 (select .cse5 (+ .cse16 .cse17 |main_~#array~0.offset| (- 17179869184)))) (.cse12 (<= main_~index2~0 .cse18)) (.cse4 (select .cse5 (+ .cse16 .cse17 |main_~#array~0.offset|)))) (and (<= .cse0 .cse1) (<= .cse1 .cse0) (let ((.cse6 (* .cse14 (- 17179869184))) (.cse7 (* main_~index1~0 4)) (.cse2 (+ .cse13 2147483647))) (or (and (<= main_~index1~0 .cse2) (<= (let ((.cse3 (select .cse5 (+ .cse6 .cse7 |main_~#array~0.offset|)))) (+ .cse3 (* 4294967296 (div (+ (* .cse3 (- 1)) .cse4 4294967295) 4294967296)))) .cse4)) (and (let ((.cse9 (select .cse5 (+ .cse6 .cse7 |main_~#array~0.offset| (- 17179869184))))) (let ((.cse11 (* .cse9 (- 1)))) (or (and .cse8 (<= (+ .cse9 (* 4294967296 (div (+ .cse10 .cse11 4294967295) 4294967296))) .cse10)) (and .cse12 (<= (+ .cse9 (* 4294967296 (div (+ .cse4 .cse11 4294967295) 4294967296))) .cse4))))) (< .cse2 main_~index1~0)))) (let ((.cse15 (* |main_#t~mem6| (- 1)))) (or (and .cse8 (<= (+ |main_#t~mem6| (* 4294967296 (div (+ .cse15 .cse10 4294967295) 4294967296))) .cse10)) (and .cse12 (<= (+ |main_#t~mem6| (* 4294967296 (div (+ .cse4 .cse15 4294967295) 4294967296))) .cse4))))))))) [2020-08-22 19:47:22,824 INFO L264 CegarLoopResult]: At program point L44-2(line 44) the Hoare annotation is: (let ((.cse22 (div main_~index2~0 4294967296))) (let ((.cse14 (div main_~index1~0 4294967296)) (.cse21 (* 4294967296 .cse22))) (let ((.cse5 (select |#memory_int| |main_~#array~0.base|)) (.cse18 (* .cse22 (- 17179869184))) (.cse19 (* main_~index2~0 4)) (.cse20 (+ .cse21 2147483647)) (.cse13 (* 4294967296 .cse14))) (let ((.cse1 (+ .cse13 main_~index2~0 1)) (.cse0 (+ .cse21 main_~index1~0)) (.cse16 (* 4294967296 (div |main_#t~mem6| 4294967296))) (.cse15 (+ |main_#t~mem6| (* 4294967296 (div |main_#t~mem7| 4294967296)))) (.cse8 (< .cse20 main_~index2~0)) (.cse10 (select .cse5 (+ .cse18 .cse19 |main_~#array~0.offset| (- 17179869184)))) (.cse12 (<= main_~index2~0 .cse20)) (.cse4 (select .cse5 (+ .cse18 .cse19 |main_~#array~0.offset|)))) (and (<= .cse0 .cse1) (<= .cse1 .cse0) (let ((.cse6 (* .cse14 (- 17179869184))) (.cse7 (* main_~index1~0 4)) (.cse2 (+ .cse13 2147483647))) (or (and (<= main_~index1~0 .cse2) (<= (let ((.cse3 (select .cse5 (+ .cse6 .cse7 |main_~#array~0.offset|)))) (+ .cse3 (* 4294967296 (div (+ (* .cse3 (- 1)) .cse4 4294967295) 4294967296)))) .cse4)) (and (let ((.cse9 (select .cse5 (+ .cse6 .cse7 |main_~#array~0.offset| (- 17179869184))))) (let ((.cse11 (* .cse9 (- 1)))) (or (and .cse8 (<= (+ .cse9 (* 4294967296 (div (+ .cse10 .cse11 4294967295) 4294967296))) .cse10)) (and .cse12 (<= (+ .cse9 (* 4294967296 (div (+ .cse4 .cse11 4294967295) 4294967296))) .cse4))))) (< .cse2 main_~index1~0)))) (< .cse15 (+ |main_#t~mem7| .cse16 1)) (<= (+ |main_#t~mem7| .cse16) .cse15) (let ((.cse17 (* |main_#t~mem6| (- 1)))) (or (and .cse8 (<= (+ |main_#t~mem6| (* 4294967296 (div (+ .cse17 .cse10 4294967295) 4294967296))) .cse10)) (and .cse12 (<= (+ |main_#t~mem6| (* 4294967296 (div (+ .cse4 .cse17 4294967295) 4294967296))) .cse4))))))))) [2020-08-22 19:47:22,825 INFO L264 CegarLoopResult]: At program point L44-3(line 44) the Hoare annotation is: (let ((.cse1 (* 4294967296 (div main_~index1~0 4294967296))) (.cse0 (* 4294967296 (div main_~index2~0 4294967296)))) (and (<= (+ .cse0 main_~index1~0) (+ .cse1 main_~index2~0 1)) (<= (+ .cse1 1) main_~index1~0) (<= main_~index2~0 (+ .cse0 4294967294)))) [2020-08-22 19:47:22,825 INFO L264 CegarLoopResult]: At program point L44-4(line 44) the Hoare annotation is: (let ((.cse1 (* 4294967296 (div main_~index1~0 4294967296))) (.cse0 (* 4294967296 (div main_~index2~0 4294967296)))) (and (<= (+ .cse0 main_~index1~0) (+ .cse1 main_~index2~0 1)) (<= (+ .cse1 1) main_~index1~0) (<= main_~index2~0 (+ .cse0 4294967294)))) [2020-08-22 19:47:22,825 INFO L264 CegarLoopResult]: At program point L36(line 36) the Hoare annotation is: (let ((.cse1 (* 4294967296 (div main_~index2~0 4294967296))) (.cse0 (div main_~index1~0 4294967296))) (and (= (select (select |#memory_int| |main_~#array~0.base|) (+ (* .cse0 (- 17179869184)) (* main_~index1~0 4) |main_~#array~0.offset|)) |main_#t~mem2|) (<= main_~index2~0 (+ .cse1 99999)) (<= (+ .cse1 main_~index1~0 1) (+ (* 4294967296 .cse0) main_~index2~0)))) [2020-08-22 19:47:22,825 INFO L264 CegarLoopResult]: At program point L36-1(line 36) the Hoare annotation is: (let ((.cse1 (div main_~index2~0 4294967296))) (let ((.cse0 (select |#memory_int| |main_~#array~0.base|)) (.cse3 (* 4294967296 .cse1)) (.cse2 (div main_~index1~0 4294967296))) (and (= (select .cse0 (+ (* .cse1 (- 17179869184)) (* main_~index2~0 4) |main_~#array~0.offset|)) |main_#t~mem3|) (= (select .cse0 (+ (* .cse2 (- 17179869184)) (* main_~index1~0 4) |main_~#array~0.offset|)) |main_#t~mem2|) (<= main_~index2~0 (+ .cse3 99999)) (<= (+ .cse3 main_~index1~0 1) (+ (* 4294967296 .cse2) main_~index2~0))))) [2020-08-22 19:47:22,826 INFO L264 CegarLoopResult]: At program point L36-2(line 36) the Hoare annotation is: (let ((.cse3 (div main_~index1~0 4294967296)) (.cse5 (select |#memory_int| |main_~#array~0.base|)) (.cse4 (div main_~index2~0 4294967296))) (let ((.cse0 (select .cse5 (+ (* .cse4 (- 17179869184)) (* main_~index2~0 4) |main_~#array~0.offset|))) (.cse1 (select .cse5 (+ (* .cse3 (- 17179869184)) (* main_~index1~0 4) |main_~#array~0.offset|))) (.cse2 (* 4294967296 .cse4))) (and (= .cse0 |main_#t~mem3|) (= .cse1 |main_#t~mem2|) (<= (+ .cse0 (* 4294967296 (div (+ .cse1 (* .cse0 (- 1)) 4294967295) 4294967296))) .cse1) (<= main_~index2~0 (+ .cse2 99999)) (<= (+ .cse2 main_~index1~0 1) (+ (* 4294967296 .cse3) main_~index2~0))))) [2020-08-22 19:47:22,826 INFO L264 CegarLoopResult]: At program point L36-3(line 36) the Hoare annotation is: (let ((.cse3 (div main_~index2~0 4294967296)) (.cse2 (select |#memory_int| |main_~#array~0.base|)) (.cse5 (div main_~index1~0 4294967296))) (let ((.cse0 (select .cse2 (+ (* .cse5 (- 17179869184)) (* main_~index1~0 4) |main_~#array~0.offset|))) (.cse4 (* 4294967296 .cse3))) (and (= .cse0 |main_#t~mem2|) (<= (let ((.cse1 (select .cse2 (+ (* .cse3 (- 17179869184)) (* main_~index2~0 4) |main_~#array~0.offset|)))) (+ .cse1 (* 4294967296 (div (+ .cse0 (* .cse1 (- 1)) 4294967295) 4294967296)))) .cse0) (<= main_~index2~0 (+ .cse4 99999)) (<= (+ .cse4 main_~index1~0 1) (+ (* 4294967296 .cse5) main_~index2~0))))) [2020-08-22 19:47:22,826 INFO L264 CegarLoopResult]: At program point L32(line 32) the Hoare annotation is: (= main_~loop_entered~0 0) [2020-08-22 19:47:22,826 INFO L271 CegarLoopResult]: At program point L24(line 24) the Hoare annotation is: true [2020-08-22 19:47:22,826 INFO L271 CegarLoopResult]: At program point L24-1(line 24) the Hoare annotation is: true [2020-08-22 19:47:22,826 INFO L264 CegarLoopResult]: At program point L45(line 45) the Hoare annotation is: (let ((.cse1 (* 4294967296 (div main_~index1~0 4294967296))) (.cse0 (* 4294967296 (div main_~index2~0 4294967296)))) (and (<= (+ .cse0 main_~index1~0) (+ .cse1 main_~index2~0 1)) (<= (+ .cse1 1) main_~index1~0) (<= main_~index2~0 (+ .cse0 4294967294)))) [2020-08-22 19:47:22,827 INFO L264 CegarLoopResult]: At program point L45-1(line 45) the Hoare annotation is: (let ((.cse0 (* 4294967296 (div main_~index2~0 4294967296))) (.cse1 (* 4294967296 (div main_~index1~0 4294967296)))) (and (<= (+ .cse0 main_~index1~0) (+ .cse1 main_~index2~0 1)) (<= (+ .cse1 1) main_~index1~0) (<= main_~index2~0 (+ .cse0 4294967294)) (<= (+ (* 4294967296 (div (+ |main_#t~post8| 1) 4294967296)) main_~index1~0) (+ |main_#t~post8| .cse1 1)))) [2020-08-22 19:47:22,827 INFO L264 CegarLoopResult]: At program point L45-2(line 45) the Hoare annotation is: (let ((.cse0 (* 4294967296 (div main_~index1~0 4294967296)))) (and (<= (+ .cse0 1) main_~index1~0) (<= (+ (* 4294967296 (div main_~index2~0 4294967296)) main_~index1~0) (+ .cse0 main_~index2~0)) (<= (+ (* 4294967296 (div (+ |main_#t~post8| 1) 4294967296)) main_~index1~0) (+ |main_#t~post8| .cse0 1)))) [2020-08-22 19:47:22,827 INFO L264 CegarLoopResult]: At program point L37(line 37) the Hoare annotation is: (let ((.cse3 (div main_~index2~0 4294967296))) (let ((.cse5 (* 4294967296 .cse3)) (.cse4 (div main_~index1~0 4294967296))) (and (let ((.cse2 (select |#memory_int| |main_~#array~0.base|))) (let ((.cse1 (select .cse2 (+ (* .cse4 (- 17179869184)) (* main_~index1~0 4) |main_~#array~0.offset|)))) (<= (let ((.cse0 (select .cse2 (+ (* .cse3 (- 17179869184)) (* main_~index2~0 4) |main_~#array~0.offset|)))) (+ .cse0 (* 4294967296 (div (+ .cse1 (* .cse0 (- 1)) 4294967295) 4294967296)))) .cse1))) (<= main_~index2~0 (+ .cse5 99999)) (<= (+ .cse5 main_~index1~0 1) (+ (* 4294967296 .cse4) main_~index2~0))))) [2020-08-22 19:47:22,827 INFO L264 CegarLoopResult]: At program point L37-1(line 37) the Hoare annotation is: (let ((.cse0 (div main_~index2~0 4294967296))) (let ((.cse4 (select |#memory_int| |main_~#array~0.base|)) (.cse8 (* .cse0 (- 17179869184))) (.cse9 (* main_~index2~0 4))) (let ((.cse1 (select .cse4 (+ .cse8 .cse9 |main_~#array~0.offset|)))) (let ((.cse3 (* .cse1 (- 1))) (.cse6 (* 4294967296 .cse0)) (.cse5 (div main_~index1~0 4294967296))) (and (<= (* 4294967296 (div (+ (* .cse0 4294967296) |main_#t~post4| (* main_~index2~0 (- 1)) 4294967296) 4294967296)) |main_#t~post4|) (let ((.cse2 (select .cse4 (+ (* .cse5 (- 17179869184)) (* main_~index1~0 4) |main_~#array~0.offset|)))) (<= (+ .cse1 (* 4294967296 (div (+ .cse2 .cse3 4294967295) 4294967296))) .cse2)) (<= main_~index2~0 (+ .cse6 99999)) (or (let ((.cse7 (select .cse4 (+ .cse8 .cse9 |main_~#array~0.offset| (- 4))))) (<= .cse7 (+ (* 4294967296 (div (+ .cse3 .cse7) 4294967296)) .cse1))) (< (+ .cse6 |main_#t~post4| 1) (+ (* 4294967296 (div |main_#t~post4| 4294967296)) main_~index2~0))) (<= (+ .cse6 main_~index1~0 1) (+ (* 4294967296 .cse5) main_~index2~0))))))) [2020-08-22 19:47:22,827 INFO L264 CegarLoopResult]: At program point L37-2(line 37) the Hoare annotation is: (let ((.cse6 (div main_~index2~0 4294967296))) (let ((.cse2 (select |#memory_int| |main_~#array~0.base|)) (.cse10 (* .cse6 (- 17179869184))) (.cse5 (* main_~index2~0 4)) (.cse3 (div main_~index1~0 4294967296))) (let ((.cse7 (* 4294967296 .cse3)) (.cse1 (select .cse2 (+ .cse10 .cse5 |main_~#array~0.offset| (- 4)))) (.cse8 (* 4294967296 .cse6))) (and (let ((.cse4 (* main_~index1~0 4))) (or (<= (let ((.cse0 (select .cse2 (+ (* .cse3 (- 17179869184)) .cse4 |main_~#array~0.offset|)))) (+ .cse0 (* 4294967296 (div (+ (* .cse0 (- 1)) .cse1 4294967295) 4294967296)))) .cse1) (not (= (+ (* .cse3 17179869184) .cse5) (+ (* .cse6 17179869184) .cse4))))) (<= (* 4294967296 (div (+ (* .cse6 4294967296) |main_#t~post4| (* main_~index2~0 (- 1)) 4294967296) 4294967296)) |main_#t~post4|) (<= (+ .cse7 1) main_~index1~0) (<= (+ .cse8 main_~index1~0) (+ .cse7 main_~index2~0)) (<= main_~index2~0 (+ .cse8 99999)) (or (<= .cse1 (let ((.cse9 (select .cse2 (+ .cse10 .cse5 |main_~#array~0.offset|)))) (+ (* 4294967296 (div (+ (* .cse9 (- 1)) .cse1) 4294967296)) .cse9))) (< (+ .cse8 |main_#t~post4| 1) (+ (* 4294967296 (div |main_#t~post4| 4294967296)) main_~index2~0))))))) [2020-08-22 19:47:22,828 INFO L264 CegarLoopResult]: At program point L29(line 29) the Hoare annotation is: (= main_~loop_entered~0 0) [2020-08-22 19:47:22,828 INFO L264 CegarLoopResult]: At program point L29-1(line 29) the Hoare annotation is: (= main_~loop_entered~0 0) [2020-08-22 19:47:22,828 INFO L264 CegarLoopResult]: At program point L46(line 46) the Hoare annotation is: (let ((.cse0 (* 4294967296 (div main_~index1~0 4294967296)))) (and (<= (+ .cse0 1) main_~index1~0) (<= (+ (* 4294967296 (div main_~index2~0 4294967296)) main_~index1~0) (+ .cse0 main_~index2~0)))) [2020-08-22 19:47:22,828 INFO L264 CegarLoopResult]: At program point L46-1(line 46) the Hoare annotation is: (let ((.cse0 (* 4294967296 (div main_~index1~0 4294967296)))) (and (<= (+ .cse0 1) main_~index1~0) (<= (+ (* 4294967296 (div main_~index2~0 4294967296)) main_~index1~0) (+ .cse0 main_~index2~0)) (<= (+ |main_#t~post9| (* 4294967296 (div (+ (* (div (+ |main_#t~post9| (- 1)) 4294967296) (- 4294967296)) main_~index2~0) 4294967296))) main_~index2~0))) [2020-08-22 19:47:22,828 INFO L271 CegarLoopResult]: At program point mainFINAL(lines 22 50) the Hoare annotation is: true [2020-08-22 19:47:22,828 INFO L264 CegarLoopResult]: At program point L46-2(line 46) the Hoare annotation is: (and (<= (+ (* 4294967296 (div main_~index2~0 4294967296)) main_~index1~0 1) (+ (* 4294967296 (div main_~index1~0 4294967296)) main_~index2~0)) (<= (+ |main_#t~post9| (* 4294967296 (div (+ (* (div (+ |main_#t~post9| (- 1)) 4294967296) (- 4294967296)) main_~index2~0) 4294967296))) main_~index2~0)) [2020-08-22 19:47:22,828 INFO L271 CegarLoopResult]: At program point L42(lines 42 48) the Hoare annotation is: true [2020-08-22 19:47:22,828 INFO L264 CegarLoopResult]: At program point L38(line 38) the Hoare annotation is: (let ((.cse5 (div main_~index2~0 4294967296)) (.cse3 (div main_~index1~0 4294967296))) (let ((.cse7 (* 4294967296 .cse3)) (.cse8 (* 4294967296 .cse5))) (and (let ((.cse6 (* main_~index2~0 4)) (.cse4 (* main_~index1~0 4))) (or (let ((.cse2 (select |#memory_int| |main_~#array~0.base|))) (let ((.cse1 (select .cse2 (+ (* .cse5 (- 17179869184)) .cse6 |main_~#array~0.offset| (- 4))))) (<= (let ((.cse0 (select .cse2 (+ (* .cse3 (- 17179869184)) .cse4 |main_~#array~0.offset|)))) (+ .cse0 (* 4294967296 (div (+ (* .cse0 (- 1)) .cse1 4294967295) 4294967296)))) .cse1))) (not (= (+ (* .cse3 17179869184) .cse6) (+ (* .cse5 17179869184) .cse4))))) (<= (+ .cse7 1) main_~index1~0) (<= (+ .cse8 main_~index1~0) (+ .cse7 main_~index2~0)) (<= main_~index2~0 (+ .cse8 99999))))) [2020-08-22 19:47:22,829 INFO L264 CegarLoopResult]: At program point L38-1(line 38) the Hoare annotation is: (let ((.cse3 (select |#memory_int| |main_~#array~0.base|)) (.cse6 (div main_~index1~0 4294967296)) (.cse7 (* main_~index1~0 4))) (let ((.cse0 (select .cse3 (+ (* .cse6 (- 17179869184)) .cse7 |main_~#array~0.offset|))) (.cse4 (div main_~index2~0 4294967296))) (let ((.cse9 (* 4294967296 .cse4)) (.cse1 (* .cse0 (- 1))) (.cse8 (* 4294967296 .cse6))) (and (let ((.cse5 (* main_~index2~0 4))) (or (let ((.cse2 (select .cse3 (+ (* .cse4 (- 17179869184)) .cse5 |main_~#array~0.offset| (- 4))))) (<= (+ .cse0 (* 4294967296 (div (+ .cse1 .cse2 4294967295) 4294967296))) .cse2)) (not (= (+ (* .cse6 17179869184) .cse5) (+ (* .cse4 17179869184) .cse7))))) (<= |main_#t~post5| (+ (* 4294967296 (div (+ |main_#t~post5| (* .cse6 4294967296) (* main_~index1~0 (- 1))) 4294967296)) 4294967295)) (<= (+ .cse8 1) main_~index1~0) (<= (+ .cse9 main_~index1~0) (+ .cse8 main_~index2~0)) (<= main_~index2~0 (+ .cse9 99999)) (<= |main_#t~post5| (+ (* 4294967296 (div (+ |main_#t~post5| (- 1)) 4294967296)) 99999)) (let ((.cse11 (div |main_#t~post5| 4294967296))) (or (let ((.cse10 (select .cse3 (+ (* .cse11 (- 17179869184)) (* |main_#t~post5| 4) |main_~#array~0.offset| (- 4))))) (<= .cse10 (+ .cse0 (* 4294967296 (div (+ .cse1 .cse10) 4294967296))))) (< (+ (* 4294967296 .cse11) main_~index1~0) (+ |main_#t~post5| .cse8)))))))) [2020-08-22 19:47:22,829 INFO L264 CegarLoopResult]: At program point L38-2(line 38) the Hoare annotation is: (let ((.cse8 (div main_~index2~0 4294967296)) (.cse7 (select |#memory_int| |main_~#array~0.base|)) (.cse3 (div main_~index1~0 4294967296))) (let ((.cse4 (select .cse7 (+ (* .cse3 (- 17179869184)) (* main_~index1~0 4) |main_~#array~0.offset|))) (.cse2 (* 4294967296 .cse8))) (let ((.cse0 (+ .cse2 main_~index1~0)) (.cse5 (* .cse4 (- 1))) (.cse1 (* 4294967296 .cse3))) (and (<= .cse0 (+ .cse1 main_~index2~0 1)) (<= main_~index2~0 (+ .cse2 99998)) (<= |main_#t~post5| (+ (* 4294967296 (div (+ |main_#t~post5| (* .cse3 4294967296) (* main_~index1~0 (- 1))) 4294967296)) 4294967295)) (<= (+ .cse1 1) main_~index1~0) (or (let ((.cse6 (select .cse7 (+ (* .cse8 (- 17179869184)) (* main_~index2~0 4) |main_~#array~0.offset|)))) (<= (+ .cse4 (* 4294967296 (div (+ .cse5 .cse6 4294967295) 4294967296))) .cse6)) (<= .cse0 (+ .cse1 main_~index2~0))) (<= |main_#t~post5| (+ (* 4294967296 (div (+ |main_#t~post5| (- 1)) 4294967296)) 99999)) (let ((.cse10 (div |main_#t~post5| 4294967296))) (or (let ((.cse9 (select .cse7 (+ (* .cse10 (- 17179869184)) (* |main_#t~post5| 4) |main_~#array~0.offset| (- 4))))) (<= .cse9 (+ .cse4 (* 4294967296 (div (+ .cse5 .cse9) 4294967296))))) (< (+ (* 4294967296 .cse10) main_~index1~0) (+ |main_#t~post5| .cse1)))))))) [2020-08-22 19:47:22,829 INFO L264 CegarLoopResult]: At program point L34-1(lines 32 40) the Hoare annotation is: (let ((.cse7 (div main_~index2~0 4294967296))) (let ((.cse2 (* 4294967296 .cse7))) (or (let ((.cse6 (div main_~index1~0 4294967296))) (let ((.cse0 (+ .cse2 main_~index1~0)) (.cse1 (* 4294967296 .cse6))) (and (<= .cse0 (+ .cse1 main_~index2~0 1)) (<= main_~index2~0 (+ .cse2 99998)) (<= (+ .cse1 1) main_~index1~0) (or (let ((.cse5 (select |#memory_int| |main_~#array~0.base|))) (let ((.cse4 (select .cse5 (+ (* .cse7 (- 17179869184)) (* main_~index2~0 4) |main_~#array~0.offset|)))) (<= (let ((.cse3 (select .cse5 (+ (* .cse6 (- 17179869184)) (* main_~index1~0 4) |main_~#array~0.offset|)))) (+ .cse3 (* 4294967296 (div (+ (* .cse3 (- 1)) .cse4 4294967295) 4294967296)))) .cse4))) (<= .cse0 (+ .cse1 main_~index2~0)))))) (and (<= main_~index2~0 (+ .cse2 99999)) (= main_~loop_entered~0 0))))) [2020-08-22 19:47:22,830 INFO L264 CegarLoopResult]: At program point L34-2(lines 23 50) the Hoare annotation is: (or (let ((.cse7 (div main_~index2~0 4294967296))) (let ((.cse6 (div main_~index1~0 4294967296)) (.cse2 (* 4294967296 .cse7))) (let ((.cse0 (+ .cse2 main_~index1~0)) (.cse1 (* 4294967296 .cse6))) (and (<= .cse0 (+ .cse1 main_~index2~0 1)) (<= main_~index2~0 (+ .cse2 99998)) (<= (+ .cse1 1) main_~index1~0) (or (let ((.cse5 (select |#memory_int| |main_~#array~0.base|))) (let ((.cse4 (select .cse5 (+ (* .cse7 (- 17179869184)) (* main_~index2~0 4) |main_~#array~0.offset|)))) (<= (let ((.cse3 (select .cse5 (+ (* .cse6 (- 17179869184)) (* main_~index1~0 4) |main_~#array~0.offset|)))) (+ .cse3 (* 4294967296 (div (+ (* .cse3 (- 1)) .cse4 4294967295) 4294967296)))) .cse4))) (<= .cse0 (+ .cse1 main_~index2~0))))))) (= main_~loop_entered~0 0)) [2020-08-22 19:47:22,830 INFO L264 CegarLoopResult]: At program point L30(line 30) the Hoare annotation is: (= main_~loop_entered~0 0) [2020-08-22 19:47:22,830 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 22 50) the Hoare annotation is: (= |old(#valid)| |#valid|) [2020-08-22 19:47:22,830 INFO L264 CegarLoopResult]: At program point L30-1(line 30) the Hoare annotation is: (= main_~loop_entered~0 0) [2020-08-22 19:47:22,830 INFO L271 CegarLoopResult]: At program point L26(line 26) the Hoare annotation is: true [2020-08-22 19:47:22,830 INFO L264 CegarLoopResult]: At program point L43-2(lines 43 47) the Hoare annotation is: (let ((.cse14 (div main_~index1~0 4294967296)) (.cse15 (div main_~index2~0 4294967296))) (let ((.cse0 (* 4294967296 .cse15)) (.cse1 (* 4294967296 .cse14))) (or (and (<= (+ .cse0 main_~index1~0) (+ .cse1 main_~index2~0 1)) (<= (+ .cse1 1) main_~index1~0) (let ((.cse5 (select |#memory_int| |main_~#array~0.base|)) (.cse12 (* .cse15 (- 17179869184))) (.cse13 (* main_~index2~0 4))) (let ((.cse4 (select .cse5 (+ .cse12 .cse13 |main_~#array~0.offset|))) (.cse6 (* .cse14 (- 17179869184))) (.cse7 (* main_~index1~0 4)) (.cse2 (+ .cse1 2147483647))) (or (and (<= main_~index1~0 .cse2) (<= (let ((.cse3 (select .cse5 (+ .cse6 .cse7 |main_~#array~0.offset|)))) (+ .cse3 (* 4294967296 (div (+ (* .cse3 (- 1)) .cse4 4294967295) 4294967296)))) .cse4)) (and (let ((.cse9 (select .cse5 (+ .cse6 .cse7 |main_~#array~0.offset| (- 17179869184))))) (let ((.cse8 (+ .cse0 2147483647)) (.cse11 (* .cse9 (- 1)))) (or (and (< .cse8 main_~index2~0) (let ((.cse10 (select .cse5 (+ .cse12 .cse13 |main_~#array~0.offset| (- 17179869184))))) (<= (+ .cse9 (* 4294967296 (div (+ .cse10 .cse11 4294967295) 4294967296))) .cse10))) (and (<= main_~index2~0 .cse8) (<= (+ .cse9 (* 4294967296 (div (+ .cse4 .cse11 4294967295) 4294967296))) .cse4))))) (< .cse2 main_~index1~0))))) (<= main_~index2~0 (+ .cse0 4294967294))) (<= (+ .cse0 main_~index1~0 1) (+ .cse1 main_~index2~0))))) [2020-08-22 19:47:22,830 INFO L264 CegarLoopResult]: At program point L39(line 39) the Hoare annotation is: (let ((.cse7 (div main_~index2~0 4294967296))) (let ((.cse6 (div main_~index1~0 4294967296)) (.cse2 (* 4294967296 .cse7))) (let ((.cse0 (+ .cse2 main_~index1~0)) (.cse1 (* 4294967296 .cse6))) (and (<= .cse0 (+ .cse1 main_~index2~0 1)) (<= main_~index2~0 (+ .cse2 99998)) (<= (+ .cse1 1) main_~index1~0) (or (let ((.cse5 (select |#memory_int| |main_~#array~0.base|))) (let ((.cse4 (select .cse5 (+ (* .cse7 (- 17179869184)) (* main_~index2~0 4) |main_~#array~0.offset|)))) (<= (let ((.cse3 (select .cse5 (+ (* .cse6 (- 17179869184)) (* main_~index1~0 4) |main_~#array~0.offset|)))) (+ .cse3 (* 4294967296 (div (+ (* .cse3 (- 1)) .cse4 4294967295) 4294967296)))) .cse4))) (<= .cse0 (+ .cse1 main_~index2~0))))))) [2020-08-22 19:47:22,831 INFO L264 CegarLoopResult]: At program point L35(line 35) the Hoare annotation is: (let ((.cse0 (* 4294967296 (div main_~index2~0 4294967296)))) (and (or (<= main_~index2~0 (+ .cse0 99998)) (and (<= main_~index2~0 (+ .cse0 99999)) (= main_~loop_entered~0 0))) (<= (+ .cse0 main_~index1~0 1) (+ (* 4294967296 (div main_~index1~0 4294967296)) main_~index2~0)))) [2020-08-22 19:47:22,831 INFO L264 CegarLoopResult]: At program point L35-1(line 35) the Hoare annotation is: (let ((.cse0 (* 4294967296 (div main_~index2~0 4294967296)))) (and (<= main_~index2~0 (+ .cse0 99999)) (<= (+ .cse0 main_~index1~0 1) (+ (* 4294967296 (div main_~index1~0 4294967296)) main_~index2~0)))) [2020-08-22 19:47:22,831 INFO L264 CegarLoopResult]: At program point L15(line 15) the Hoare annotation is: (= |__VERIFIER_assert_#in~cond| 0) [2020-08-22 19:47:22,831 INFO L271 CegarLoopResult]: At program point __VERIFIER_assertENTRY(lines 12 18) the Hoare annotation is: true [2020-08-22 19:47:22,831 INFO L264 CegarLoopResult]: At program point L14(lines 14 16) the Hoare annotation is: (or (= |__VERIFIER_assert_#in~cond| 0) (not (= __VERIFIER_assert_~cond 0))) [2020-08-22 19:47:22,831 INFO L264 CegarLoopResult]: At program point L14-2(lines 12 18) the Hoare annotation is: (or (= |__VERIFIER_assert_#in~cond| 0) (not (= __VERIFIER_assert_~cond 0))) [2020-08-22 19:47:22,832 INFO L264 CegarLoopResult]: At program point __VERIFIER_assertEXIT(lines 12 18) the Hoare annotation is: (or (= |__VERIFIER_assert_#in~cond| 0) (not (= __VERIFIER_assert_~cond 0))) [2020-08-22 19:47:22,832 INFO L264 CegarLoopResult]: At program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 15) the Hoare annotation is: (= |__VERIFIER_assert_#in~cond| 0) [2020-08-22 19:47:22,844 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-22 19:47:22,844 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-22 19:47:22,845 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-22 19:47:22,845 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-22 19:47:22,850 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-22 19:47:22,850 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-22 19:47:22,851 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-22 19:47:22,851 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-22 19:47:22,854 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-22 19:47:22,854 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-22 19:47:22,854 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-22 19:47:22,854 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-22 19:47:22,855 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-22 19:47:22,855 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-22 19:47:22,855 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-22 19:47:22,856 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-22 19:47:22,856 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-22 19:47:22,856 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-22 19:47:22,856 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-22 19:47:22,857 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-22 19:47:22,859 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-22 19:47:22,859 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-22 19:47:22,859 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-22 19:47:22,860 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-22 19:47:22,860 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-22 19:47:22,860 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-22 19:47:22,860 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-22 19:47:22,861 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-22 19:47:22,861 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-22 19:47:22,861 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-22 19:47:22,862 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-22 19:47:22,862 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-22 19:47:22,870 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.08 07:47:22 BoogieIcfgContainer [2020-08-22 19:47:22,870 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-22 19:47:22,872 INFO L168 Benchmark]: Toolchain (without parser) took 43944.45 ms. Allocated memory was 140.0 MB in the beginning and 299.9 MB in the end (delta: 159.9 MB). Free memory was 104.3 MB in the beginning and 247.5 MB in the end (delta: -143.2 MB). Peak memory consumption was 165.9 MB. Max. memory is 7.1 GB. [2020-08-22 19:47:22,873 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 140.0 MB. Free memory was 122.5 MB in the beginning and 122.3 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-08-22 19:47:22,873 INFO L168 Benchmark]: CACSL2BoogieTranslator took 288.02 ms. Allocated memory is still 140.0 MB. Free memory was 104.1 MB in the beginning and 93.6 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 7.1 GB. [2020-08-22 19:47:22,874 INFO L168 Benchmark]: Boogie Preprocessor took 119.52 ms. Allocated memory was 140.0 MB in the beginning and 202.9 MB in the end (delta: 62.9 MB). Free memory was 93.6 MB in the beginning and 180.7 MB in the end (delta: -87.1 MB). Peak memory consumption was 13.5 MB. Max. memory is 7.1 GB. [2020-08-22 19:47:22,875 INFO L168 Benchmark]: RCFGBuilder took 422.18 ms. Allocated memory is still 202.9 MB. Free memory was 180.7 MB in the beginning and 162.2 MB in the end (delta: 18.5 MB). Peak memory consumption was 18.5 MB. Max. memory is 7.1 GB. [2020-08-22 19:47:22,877 INFO L168 Benchmark]: TraceAbstraction took 43109.97 ms. Allocated memory was 202.9 MB in the beginning and 299.9 MB in the end (delta: 97.0 MB). Free memory was 162.2 MB in the beginning and 247.5 MB in the end (delta: -85.3 MB). Peak memory consumption was 160.9 MB. Max. memory is 7.1 GB. [2020-08-22 19:47:22,881 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 140.0 MB. Free memory was 122.5 MB in the beginning and 122.3 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 288.02 ms. Allocated memory is still 140.0 MB. Free memory was 104.1 MB in the beginning and 93.6 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 119.52 ms. Allocated memory was 140.0 MB in the beginning and 202.9 MB in the end (delta: 62.9 MB). Free memory was 93.6 MB in the beginning and 180.7 MB in the end (delta: -87.1 MB). Peak memory consumption was 13.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 422.18 ms. Allocated memory is still 202.9 MB. Free memory was 180.7 MB in the beginning and 162.2 MB in the end (delta: 18.5 MB). Peak memory consumption was 18.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 43109.97 ms. Allocated memory was 202.9 MB in the beginning and 299.9 MB in the end (delta: 97.0 MB). Free memory was 162.2 MB in the beginning and 247.5 MB in the end (delta: -85.3 MB). Peak memory consumption was 160.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 15]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 32]: Loop Invariant [2020-08-22 19:47:22,892 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-22 19:47:22,892 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-22 19:47:22,892 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-22 19:47:22,893 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-22 19:47:22,894 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-22 19:47:22,894 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-22 19:47:22,894 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-22 19:47:22,895 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int Derived loop invariant: (((4294967296 * (index2 / 4294967296) + index1 <= 4294967296 * (index1 / 4294967296) + index2 + 1 && index2 <= 4294967296 * (index2 / 4294967296) + 99998) && 4294967296 * (index1 / 4294967296) + 1 <= index1) && (unknown-#memory_int-unknown[array][index1 / 4294967296 * -17179869184 + index1 * 4 + array] + 4294967296 * ((unknown-#memory_int-unknown[array][index1 / 4294967296 * -17179869184 + index1 * 4 + array] * -1 + unknown-#memory_int-unknown[array][index2 / 4294967296 * -17179869184 + index2 * 4 + array] + 4294967295) / 4294967296) <= unknown-#memory_int-unknown[array][index2 / 4294967296 * -17179869184 + index2 * 4 + array] || 4294967296 * (index2 / 4294967296) + index1 <= 4294967296 * (index1 / 4294967296) + index2)) || (index2 <= 4294967296 * (index2 / 4294967296) + 99999 && loop_entered == 0) - InvariantResult [Line: 43]: Loop Invariant [2020-08-22 19:47:22,896 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-22 19:47:22,896 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-22 19:47:22,897 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-22 19:47:22,897 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-22 19:47:22,897 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-22 19:47:22,897 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-22 19:47:22,897 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-22 19:47:22,898 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-22 19:47:22,898 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-22 19:47:22,898 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-22 19:47:22,898 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-22 19:47:22,898 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-22 19:47:22,900 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-22 19:47:22,901 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-22 19:47:22,901 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-22 19:47:22,901 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-22 19:47:22,901 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-22 19:47:22,902 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-22 19:47:22,902 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-22 19:47:22,902 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-22 19:47:22,902 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-22 19:47:22,902 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-22 19:47:22,903 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-22 19:47:22,903 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int Derived loop invariant: (((4294967296 * (index2 / 4294967296) + index1 <= 4294967296 * (index1 / 4294967296) + index2 + 1 && 4294967296 * (index1 / 4294967296) + 1 <= index1) && ((index1 <= 4294967296 * (index1 / 4294967296) + 2147483647 && unknown-#memory_int-unknown[array][index1 / 4294967296 * -17179869184 + index1 * 4 + array] + 4294967296 * ((unknown-#memory_int-unknown[array][index1 / 4294967296 * -17179869184 + index1 * 4 + array] * -1 + unknown-#memory_int-unknown[array][index2 / 4294967296 * -17179869184 + index2 * 4 + array] + 4294967295) / 4294967296) <= unknown-#memory_int-unknown[array][index2 / 4294967296 * -17179869184 + index2 * 4 + array]) || (((4294967296 * (index2 / 4294967296) + 2147483647 < index2 && unknown-#memory_int-unknown[array][index1 / 4294967296 * -17179869184 + index1 * 4 + array + -17179869184] + 4294967296 * ((unknown-#memory_int-unknown[array][index2 / 4294967296 * -17179869184 + index2 * 4 + array + -17179869184] + unknown-#memory_int-unknown[array][index1 / 4294967296 * -17179869184 + index1 * 4 + array + -17179869184] * -1 + 4294967295) / 4294967296) <= unknown-#memory_int-unknown[array][index2 / 4294967296 * -17179869184 + index2 * 4 + array + -17179869184]) || (index2 <= 4294967296 * (index2 / 4294967296) + 2147483647 && unknown-#memory_int-unknown[array][index1 / 4294967296 * -17179869184 + index1 * 4 + array + -17179869184] + 4294967296 * ((unknown-#memory_int-unknown[array][index2 / 4294967296 * -17179869184 + index2 * 4 + array] + unknown-#memory_int-unknown[array][index1 / 4294967296 * -17179869184 + index1 * 4 + array + -17179869184] * -1 + 4294967295) / 4294967296) <= unknown-#memory_int-unknown[array][index2 / 4294967296 * -17179869184 + index2 * 4 + array])) && 4294967296 * (index1 / 4294967296) + 2147483647 < index1))) && index2 <= 4294967296 * (index2 / 4294967296) + 4294967294) || 4294967296 * (index2 / 4294967296) + index1 + 1 <= 4294967296 * (index1 / 4294967296) + index2 - ProcedureContractResult [Line: 9]: Procedure Contract for assume_abort_if_not Derived contract for procedure assume_abort_if_not: cond == \old(cond) && !(\old(cond) == 0) - ProcedureContractResult [Line: 22]: Procedure Contract for main Derived contract for procedure main: 1 - ProcedureContractResult [Line: 12]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert: \old(cond) == 0 || !(cond == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 61 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 28.1s, OverallIterations: 5, TraceHistogramMax: 3, AutomataDifference: 16.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 14.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 252 SDtfs, 186 SDslu, 1150 SDs, 0 SdLazy, 1293 SolverSat, 75 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 140 GetRequests, 47 SyntacticMatches, 8 SemanticMatches, 85 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 357 ImplicationChecksByTransitivity, 23.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=67occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 58 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 61 LocationsWithAnnotation, 122 PreInvPairs, 190 NumberOfFragments, 3637 HoareAnnotationTreeSize, 122 FomulaSimplifications, 477 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 61 FomulaSimplificationsInter, 7843 FormulaSimplificationTreeSizeReductionInter, 14.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: No data available, 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 proved your program to be correct! Received shutdown request...