/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 --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.use.separate.solver.for.trace.checks true -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/loop-crafted/simple_array_index_value_4.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-3af5e1f [2020-09-04 23:12:02,007 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-04 23:12:02,012 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-04 23:12:02,062 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-04 23:12:02,062 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-04 23:12:02,074 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-04 23:12:02,076 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-04 23:12:02,078 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-04 23:12:02,081 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-04 23:12:02,082 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-04 23:12:02,084 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-04 23:12:02,086 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-04 23:12:02,086 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-04 23:12:02,087 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-04 23:12:02,091 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-04 23:12:02,092 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-04 23:12:02,094 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-04 23:12:02,095 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-04 23:12:02,101 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-04 23:12:02,104 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-04 23:12:02,105 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-04 23:12:02,109 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-04 23:12:02,110 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-04 23:12:02,111 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-04 23:12:02,118 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-09-04 23:12:02,131 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-04 23:12:02,132 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-04 23:12:02,134 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-04 23:12:02,134 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-09-04 23:12:02,155 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-04 23:12:02,155 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-04 23:12:02,157 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-04 23:12:02,158 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-04 23:12:02,158 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-04 23:12:02,158 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-04 23:12:02,158 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-04 23:12:02,159 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-04 23:12:02,159 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-04 23:12:02,159 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-04 23:12:02,160 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-04 23:12:02,160 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-04 23:12:02,161 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-04 23:12:02,161 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-04 23:12:02,161 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-04 23:12:02,162 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-09-04 23:12:02,162 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-04 23:12:02,162 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-04 23:12:02,162 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-04 23:12:02,162 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-04 23:12:02,163 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-09-04 23:12:02,163 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-04 23:12:02,163 INFO L138 SettingsManager]: * Use separate solver for trace checks=false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-09-04 23:12:02,593 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-04 23:12:02,623 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-04 23:12:02,628 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-04 23:12:02,630 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-04 23:12:02,630 INFO L275 PluginConnector]: CDTParser initialized [2020-09-04 23:12:02,632 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-crafted/simple_array_index_value_4.i [2020-09-04 23:12:02,731 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8b941522c/c16791296a3d4d14966023c12b53db8d/FLAG341dc1c5a [2020-09-04 23:12:03,289 INFO L306 CDTParser]: Found 1 translation units. [2020-09-04 23:12:03,290 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/loop-crafted/simple_array_index_value_4.i [2020-09-04 23:12:03,297 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8b941522c/c16791296a3d4d14966023c12b53db8d/FLAG341dc1c5a [2020-09-04 23:12:03,612 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8b941522c/c16791296a3d4d14966023c12b53db8d [2020-09-04 23:12:03,627 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-04 23:12:03,629 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-04 23:12:03,632 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-04 23:12:03,632 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-04 23:12:03,638 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-04 23:12:03,639 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 11:12:03" (1/1) ... [2020-09-04 23:12:03,645 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@182b6a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 11:12:03, skipping insertion in model container [2020-09-04 23:12:03,645 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 11:12:03" (1/1) ... [2020-09-04 23:12:03,657 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-04 23:12:03,683 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-04 23:12:03,954 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 23:12:03,966 INFO L203 MainTranslator]: Completed pre-run [2020-09-04 23:12:03,998 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 23:12:04,022 INFO L208 MainTranslator]: Completed translation [2020-09-04 23:12:04,022 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 11:12:04 WrapperNode [2020-09-04 23:12:04,022 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-04 23:12:04,023 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-04 23:12:04,023 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-04 23:12:04,024 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-04 23:12:04,117 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 11:12:04" (1/1) ... [2020-09-04 23:12:04,117 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 11:12:04" (1/1) ... [2020-09-04 23:12:04,129 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 11:12:04" (1/1) ... [2020-09-04 23:12:04,129 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 11:12:04" (1/1) ... [2020-09-04 23:12:04,137 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 11:12:04" (1/1) ... [2020-09-04 23:12:04,149 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 11:12:04" (1/1) ... [2020-09-04 23:12:04,151 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 11:12:04" (1/1) ... [2020-09-04 23:12:04,156 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-04 23:12:04,156 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-04 23:12:04,156 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-04 23:12:04,160 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-04 23:12:04,161 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 11:12:04" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-09-04 23:12:04,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-04 23:12:04,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-04 23:12:04,236 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-04 23:12:04,236 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-09-04 23:12:04,236 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-04 23:12:04,236 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-04 23:12:04,236 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-04 23:12:04,237 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-04 23:12:04,237 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-09-04 23:12:04,237 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2020-09-04 23:12:04,237 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-04 23:12:04,237 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-04 23:12:04,237 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-04 23:12:04,237 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-04 23:12:04,237 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-04 23:12:04,238 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-04 23:12:04,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-04 23:12:04,571 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-04 23:12:04,572 INFO L295 CfgBuilder]: Removed 2 assume(true) statements. [2020-09-04 23:12:04,577 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 11:12:04 BoogieIcfgContainer [2020-09-04 23:12:04,578 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-04 23:12:04,579 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-04 23:12:04,579 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-04 23:12:04,583 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-04 23:12:04,584 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.09 11:12:03" (1/3) ... [2020-09-04 23:12:04,585 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@692be0e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 11:12:04, skipping insertion in model container [2020-09-04 23:12:04,585 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 11:12:04" (2/3) ... [2020-09-04 23:12:04,585 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@692be0e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 11:12:04, skipping insertion in model container [2020-09-04 23:12:04,586 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 11:12:04" (3/3) ... [2020-09-04 23:12:04,588 INFO L109 eAbstractionObserver]: Analyzing ICFG simple_array_index_value_4.i [2020-09-04 23:12:04,602 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-04 23:12:04,613 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-04 23:12:04,637 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-04 23:12:04,675 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-04 23:12:04,675 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-04 23:12:04,675 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-04 23:12:04,675 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-04 23:12:04,676 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-04 23:12:04,676 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-04 23:12:04,676 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-04 23:12:04,676 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-04 23:12:04,697 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states. [2020-09-04 23:12:04,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-09-04 23:12:04,716 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 23:12:04,717 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] [2020-09-04 23:12:04,717 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 23:12:04,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 23:12:04,725 INFO L82 PathProgramCache]: Analyzing trace with hash 1727331883, now seen corresponding path program 1 times [2020-09-04 23:12:04,735 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 23:12:04,736 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1487930614] [2020-09-04 23:12:04,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 23:12:04,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 23:12:05,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 23:12:05,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 23:12:05,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 23:12:05,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 23:12:05,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 23:12:05,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 23:12:05,181 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-04 23:12:05,182 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1487930614] [2020-09-04 23:12:05,185 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 23:12:05,185 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-04 23:12:05,187 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1849895067] [2020-09-04 23:12:05,194 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-04 23:12:05,194 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 23:12:05,213 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-04 23:12:05,214 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-04 23:12:05,217 INFO L87 Difference]: Start difference. First operand 61 states. Second operand 9 states. [2020-09-04 23:12:05,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 23:12:05,814 INFO L93 Difference]: Finished difference Result 137 states and 170 transitions. [2020-09-04 23:12:05,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-04 23:12:05,816 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 30 [2020-09-04 23:12:05,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 23:12:05,831 INFO L225 Difference]: With dead ends: 137 [2020-09-04 23:12:05,831 INFO L226 Difference]: Without dead ends: 79 [2020-09-04 23:12:05,837 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 [2020-09-04 23:12:05,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2020-09-04 23:12:05,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 60. [2020-09-04 23:12:05,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2020-09-04 23:12:05,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 65 transitions. [2020-09-04 23:12:05,905 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 65 transitions. Word has length 30 [2020-09-04 23:12:05,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 23:12:05,906 INFO L479 AbstractCegarLoop]: Abstraction has 60 states and 65 transitions. [2020-09-04 23:12:05,906 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-04 23:12:05,906 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 65 transitions. [2020-09-04 23:12:05,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-09-04 23:12:05,909 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 23:12:05,910 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] [2020-09-04 23:12:05,910 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-04 23:12:05,910 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 23:12:05,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 23:12:05,911 INFO L82 PathProgramCache]: Analyzing trace with hash 1086220015, now seen corresponding path program 1 times [2020-09-04 23:12:05,911 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 23:12:05,912 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [353008204] [2020-09-04 23:12:05,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 23:12:05,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 23:12:06,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 23:12:06,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 23:12:06,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 23:12:06,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 23:12:06,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 23:12:06,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 23:12:06,065 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-09-04 23:12:06,066 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [353008204] [2020-09-04 23:12:06,066 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 23:12:06,066 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-04 23:12:06,067 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [747604375] [2020-09-04 23:12:06,069 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-04 23:12:06,069 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 23:12:06,069 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-04 23:12:06,070 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-04 23:12:06,070 INFO L87 Difference]: Start difference. First operand 60 states and 65 transitions. Second operand 4 states. [2020-09-04 23:12:06,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 23:12:06,222 INFO L93 Difference]: Finished difference Result 91 states and 97 transitions. [2020-09-04 23:12:06,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-04 23:12:06,223 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 34 [2020-09-04 23:12:06,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 23:12:06,225 INFO L225 Difference]: With dead ends: 91 [2020-09-04 23:12:06,225 INFO L226 Difference]: Without dead ends: 72 [2020-09-04 23:12:06,226 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 [2020-09-04 23:12:06,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2020-09-04 23:12:06,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 60. [2020-09-04 23:12:06,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2020-09-04 23:12:06,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 64 transitions. [2020-09-04 23:12:06,240 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 64 transitions. Word has length 34 [2020-09-04 23:12:06,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 23:12:06,241 INFO L479 AbstractCegarLoop]: Abstraction has 60 states and 64 transitions. [2020-09-04 23:12:06,241 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-04 23:12:06,241 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 64 transitions. [2020-09-04 23:12:06,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-09-04 23:12:06,245 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 23:12:06,245 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] [2020-09-04 23:12:06,246 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-04 23:12:06,246 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 23:12:06,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 23:12:06,246 INFO L82 PathProgramCache]: Analyzing trace with hash 1811286385, now seen corresponding path program 1 times [2020-09-04 23:12:06,247 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 23:12:06,247 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1184212241] [2020-09-04 23:12:06,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 23:12:06,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 23:12:06,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 23:12:06,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 23:12:06,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 23:12:06,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 23:12:06,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 23:12:06,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 23:12:06,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 23:12:06,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 23:12:06,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-04 23:12:06,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 23:12:06,704 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-09-04 23:12:06,706 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1184212241] [2020-09-04 23:12:06,706 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-04 23:12:06,707 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-09-04 23:12:06,707 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1428164488] [2020-09-04 23:12:06,708 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-04 23:12:06,708 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 23:12:06,708 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-04 23:12:06,709 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2020-09-04 23:12:06,709 INFO L87 Difference]: Start difference. First operand 60 states and 64 transitions. Second operand 12 states. [2020-09-04 23:12:07,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 23:12:07,316 INFO L93 Difference]: Finished difference Result 84 states and 89 transitions. [2020-09-04 23:12:07,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-04 23:12:07,317 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 52 [2020-09-04 23:12:07,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 23:12:07,318 INFO L225 Difference]: With dead ends: 84 [2020-09-04 23:12:07,319 INFO L226 Difference]: Without dead ends: 82 [2020-09-04 23:12:07,320 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 [2020-09-04 23:12:07,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2020-09-04 23:12:07,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 59. [2020-09-04 23:12:07,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2020-09-04 23:12:07,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 62 transitions. [2020-09-04 23:12:07,334 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 62 transitions. Word has length 52 [2020-09-04 23:12:07,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 23:12:07,335 INFO L479 AbstractCegarLoop]: Abstraction has 59 states and 62 transitions. [2020-09-04 23:12:07,335 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-04 23:12:07,335 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 62 transitions. [2020-09-04 23:12:07,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-09-04 23:12:07,337 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 23:12:07,338 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] [2020-09-04 23:12:07,338 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-04 23:12:07,338 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 23:12:07,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 23:12:07,339 INFO L82 PathProgramCache]: Analyzing trace with hash 2082234165, now seen corresponding path program 1 times [2020-09-04 23:12:07,339 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 23:12:07,339 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1477196648] [2020-09-04 23:12:07,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 23:12:07,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 23:12:08,265 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 49 [2020-09-04 23:12:08,493 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 62 [2020-09-04 23:12:11,516 WARN L193 SmtUtils]: Spent 2.97 s on a formula simplification. DAG size of input: 136 DAG size of output: 70 [2020-09-04 23:12:12,401 WARN L193 SmtUtils]: Spent 808.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 88 [2020-09-04 23:12:19,197 WARN L193 SmtUtils]: Spent 6.71 s on a formula simplification. DAG size of input: 145 DAG size of output: 79 [2020-09-04 23:12:19,639 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 61 [2020-09-04 23:12:20,083 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 62 [2020-09-04 23:12:20,259 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 37 [2020-09-04 23:12:20,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 23:12:20,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 23:12:20,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 23:12:20,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 23:12:20,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 23:12:20,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 23:12:20,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 23:12:20,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 23:12:20,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-04 23:12:20,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 23:12:20,728 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-09-04 23:12:20,729 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1477196648] [2020-09-04 23:12:20,729 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 23:12:20,729 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-09-04 23:12:20,730 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [584014323] [2020-09-04 23:12:20,730 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-09-04 23:12:20,731 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 23:12:20,731 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-09-04 23:12:20,731 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2020-09-04 23:12:20,732 INFO L87 Difference]: Start difference. First operand 59 states and 62 transitions. Second operand 18 states. [2020-09-04 23:12:21,507 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2020-09-04 23:12:21,854 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-09-04 23:12:24,516 WARN L193 SmtUtils]: Spent 2.52 s on a formula simplification. DAG size of input: 127 DAG size of output: 117 [2020-09-04 23:12:27,059 WARN L193 SmtUtils]: Spent 2.44 s on a formula simplification that was a NOOP. DAG size: 134 [2020-09-04 23:12:27,600 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-09-04 23:12:27,935 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2020-09-04 23:12:28,163 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-09-04 23:12:28,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 23:12:28,538 INFO L93 Difference]: Finished difference Result 73 states and 76 transitions. [2020-09-04 23:12:28,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-09-04 23:12:28,541 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 56 [2020-09-04 23:12:28,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 23:12:28,543 INFO L225 Difference]: With dead ends: 73 [2020-09-04 23:12:28,543 INFO L226 Difference]: Without dead ends: 71 [2020-09-04 23:12:28,544 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 10 SyntacticMatches, 3 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 171 ImplicationChecksByTransitivity, 19.0s TimeCoverageRelationStatistics Valid=115, Invalid=755, Unknown=0, NotChecked=0, Total=870 [2020-09-04 23:12:28,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2020-09-04 23:12:28,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 67. [2020-09-04 23:12:28,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2020-09-04 23:12:28,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 70 transitions. [2020-09-04 23:12:28,562 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 70 transitions. Word has length 56 [2020-09-04 23:12:28,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 23:12:28,562 INFO L479 AbstractCegarLoop]: Abstraction has 67 states and 70 transitions. [2020-09-04 23:12:28,563 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-09-04 23:12:28,563 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 70 transitions. [2020-09-04 23:12:28,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2020-09-04 23:12:28,565 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 23:12:28,565 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] [2020-09-04 23:12:28,566 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-04 23:12:28,566 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 23:12:28,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 23:12:28,566 INFO L82 PathProgramCache]: Analyzing trace with hash -261126320, now seen corresponding path program 1 times [2020-09-04 23:12:28,567 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 23:12:28,567 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [626528596] [2020-09-04 23:12:28,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 23:12:28,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 23:12:29,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 23:12:29,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 23:12:29,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 23:12:29,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 23:12:29,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 23:12:29,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 23:12:29,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 23:12:29,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 23:12:29,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-04 23:12:29,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 23:12:29,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-09-04 23:12:29,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 23:12:29,099 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-09-04 23:12:29,100 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [626528596] [2020-09-04 23:12:29,100 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 23:12:29,100 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-09-04 23:12:29,100 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [231662279] [2020-09-04 23:12:29,101 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-04 23:12:29,102 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 23:12:29,102 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-04 23:12:29,103 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2020-09-04 23:12:29,105 INFO L87 Difference]: Start difference. First operand 67 states and 70 transitions. Second operand 12 states. [2020-09-04 23:12:32,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 23:12:32,309 INFO L93 Difference]: Finished difference Result 87 states and 92 transitions. [2020-09-04 23:12:32,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-09-04 23:12:32,310 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 72 [2020-09-04 23:12:32,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 23:12:32,312 INFO L225 Difference]: With dead ends: 87 [2020-09-04 23:12:32,312 INFO L226 Difference]: Without dead ends: 0 [2020-09-04 23:12:32,313 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 13 SyntacticMatches, 4 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=119, Invalid=481, Unknown=0, NotChecked=0, Total=600 [2020-09-04 23:12:32,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-04 23:12:32,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-04 23:12:32,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-04 23:12:32,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-04 23:12:32,314 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 72 [2020-09-04 23:12:32,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 23:12:32,314 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-04 23:12:32,314 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-04 23:12:32,314 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-04 23:12:32,315 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-04 23:12:32,315 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-04 23:12:32,317 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-04 23:12:32,933 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 37 [2020-09-04 23:12:33,200 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 41 [2020-09-04 23:12:33,319 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 33 [2020-09-04 23:12:35,777 WARN L193 SmtUtils]: Spent 2.34 s on a formula simplification. DAG size of input: 93 DAG size of output: 88 [2020-09-04 23:12:36,017 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 78 [2020-09-04 23:12:36,175 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 63 [2020-09-04 23:12:36,592 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 71 [2020-09-04 23:12:37,061 WARN L193 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 58 [2020-09-04 23:12:37,260 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 37 [2020-09-04 23:12:37,907 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 72 [2020-09-04 23:12:42,732 WARN L193 SmtUtils]: Spent 4.82 s on a formula simplification. DAG size of input: 159 DAG size of output: 77 [2020-09-04 23:12:42,968 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 48 [2020-09-04 23:12:43,341 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 71 [2020-09-04 23:12:43,352 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-09-04 23:12:43,352 INFO L271 CegarLoopResult]: At program point L-1-1(line -1) the Hoare annotation is: true [2020-09-04 23:12:43,352 INFO L271 CegarLoopResult]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2020-09-04 23:12:43,353 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|)) [2020-09-04 23:12:43,353 INFO L271 CegarLoopResult]: At program point ULTIMATE.initEXIT(line -1) the Hoare annotation is: true [2020-09-04 23:12:43,353 INFO L271 CegarLoopResult]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2020-09-04 23:12:43,353 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-09-04 23:12:43,353 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-04 23:12:43,353 INFO L271 CegarLoopResult]: At program point ULTIMATE.startFINAL(line -1) the Hoare annotation is: true [2020-09-04 23:12:43,354 INFO L271 CegarLoopResult]: At program point assume_abort_if_notENTRY(lines 9 11) the Hoare annotation is: true [2020-09-04 23:12:43,354 INFO L264 CegarLoopResult]: At program point L10(line 10) the Hoare annotation is: (= assume_abort_if_not_~cond |assume_abort_if_not_#in~cond|) [2020-09-04 23:12:43,354 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|) [2020-09-04 23:12:43,354 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))) [2020-09-04 23:12:43,354 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))) [2020-09-04 23:12:43,354 INFO L264 CegarLoopResult]: At program point L31(line 31) the Hoare annotation is: (= main_~loop_entered~0 0) [2020-09-04 23:12:43,354 INFO L271 CegarLoopResult]: At program point L27(line 27) the Hoare annotation is: true [2020-09-04 23:12:43,355 INFO L271 CegarLoopResult]: At program point mainEXIT(lines 22 50) the Hoare annotation is: true [2020-09-04 23:12:43,355 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))))))))) [2020-09-04 23:12:43,356 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))))))))) [2020-09-04 23:12:43,356 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))))))))) [2020-09-04 23:12:43,356 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)))) [2020-09-04 23:12:43,356 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)))) [2020-09-04 23:12:43,357 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)))) [2020-09-04 23:12:43,357 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))))) [2020-09-04 23:12:43,357 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))))) [2020-09-04 23:12:43,357 INFO L264 CegarLoopResult]: At program point L36-3(line 36) 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))))) [2020-09-04 23:12:43,358 INFO L264 CegarLoopResult]: At program point L32(line 32) the Hoare annotation is: (= main_~loop_entered~0 0) [2020-09-04 23:12:43,358 INFO L271 CegarLoopResult]: At program point L24(line 24) the Hoare annotation is: true [2020-09-04 23:12:43,358 INFO L271 CegarLoopResult]: At program point L24-1(line 24) the Hoare annotation is: true [2020-09-04 23:12:43,358 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)))) [2020-09-04 23:12:43,358 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)))) [2020-09-04 23:12:43,358 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)))) [2020-09-04 23:12:43,359 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))))) [2020-09-04 23:12:43,359 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))))))) [2020-09-04 23:12:43,359 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))))))) [2020-09-04 23:12:43,359 INFO L264 CegarLoopResult]: At program point L29(line 29) the Hoare annotation is: (= main_~loop_entered~0 0) [2020-09-04 23:12:43,359 INFO L264 CegarLoopResult]: At program point L29-1(line 29) the Hoare annotation is: (= main_~loop_entered~0 0) [2020-09-04 23:12:43,359 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)))) [2020-09-04 23:12:43,360 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))) [2020-09-04 23:12:43,360 INFO L271 CegarLoopResult]: At program point mainFINAL(lines 22 50) the Hoare annotation is: true [2020-09-04 23:12:43,360 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)) [2020-09-04 23:12:43,360 INFO L271 CegarLoopResult]: At program point L42(lines 42 48) the Hoare annotation is: true [2020-09-04 23:12:43,360 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))))) [2020-09-04 23:12:43,360 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)))))))) [2020-09-04 23:12:43,361 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)))))))) [2020-09-04 23:12:43,361 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))))) [2020-09-04 23:12:43,361 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)) [2020-09-04 23:12:43,361 INFO L264 CegarLoopResult]: At program point L30(line 30) the Hoare annotation is: (= main_~loop_entered~0 0) [2020-09-04 23:12:43,361 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 22 50) the Hoare annotation is: (= |old(#valid)| |#valid|) [2020-09-04 23:12:43,362 INFO L264 CegarLoopResult]: At program point L30-1(line 30) the Hoare annotation is: (= main_~loop_entered~0 0) [2020-09-04 23:12:43,362 INFO L271 CegarLoopResult]: At program point L26(line 26) the Hoare annotation is: true [2020-09-04 23:12:43,362 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))))) [2020-09-04 23:12:43,362 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))))))) [2020-09-04 23:12:43,363 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)))) [2020-09-04 23:12:43,363 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)))) [2020-09-04 23:12:43,363 INFO L264 CegarLoopResult]: At program point L15(line 15) the Hoare annotation is: (= |__VERIFIER_assert_#in~cond| 0) [2020-09-04 23:12:43,363 INFO L271 CegarLoopResult]: At program point __VERIFIER_assertENTRY(lines 12 18) the Hoare annotation is: true [2020-09-04 23:12:43,363 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))) [2020-09-04 23:12:43,363 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))) [2020-09-04 23:12:43,363 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))) [2020-09-04 23:12:43,364 INFO L264 CegarLoopResult]: At program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 15) the Hoare annotation is: (= |__VERIFIER_assert_#in~cond| 0) [2020-09-04 23:12:43,379 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-04 23:12:43,380 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-04 23:12:43,380 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-04 23:12:43,380 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-04 23:12:43,387 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-04 23:12:43,387 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-04 23:12:43,388 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-04 23:12:43,388 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-04 23:12:43,391 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-04 23:12:43,391 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-04 23:12:43,392 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-04 23:12:43,392 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-04 23:12:43,392 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-04 23:12:43,392 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-04 23:12:43,393 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-04 23:12:43,393 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-04 23:12:43,393 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-04 23:12:43,394 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-04 23:12:43,394 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-04 23:12:43,394 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-04 23:12:43,396 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-04 23:12:43,397 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-04 23:12:43,397 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-04 23:12:43,397 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-04 23:12:43,397 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-04 23:12:43,398 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-04 23:12:43,398 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-04 23:12:43,398 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-04 23:12:43,398 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-04 23:12:43,399 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-04 23:12:43,399 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-04 23:12:43,399 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-04 23:12:43,404 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.09 11:12:43 BoogieIcfgContainer [2020-09-04 23:12:43,404 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-04 23:12:43,406 INFO L168 Benchmark]: Toolchain (without parser) took 39777.81 ms. Allocated memory was 140.5 MB in the beginning and 295.2 MB in the end (delta: 154.7 MB). Free memory was 103.9 MB in the beginning and 223.7 MB in the end (delta: -119.7 MB). Peak memory consumption was 158.2 MB. Max. memory is 7.1 GB. [2020-09-04 23:12:43,407 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 140.5 MB. Free memory was 121.8 MB in the beginning and 121.6 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-04 23:12:43,408 INFO L168 Benchmark]: CACSL2BoogieTranslator took 390.78 ms. Allocated memory is still 140.5 MB. Free memory was 103.7 MB in the beginning and 93.3 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 7.1 GB. [2020-09-04 23:12:43,409 INFO L168 Benchmark]: Boogie Preprocessor took 132.61 ms. Allocated memory was 140.5 MB in the beginning and 203.9 MB in the end (delta: 63.4 MB). Free memory was 93.3 MB in the beginning and 182.0 MB in the end (delta: -88.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 7.1 GB. [2020-09-04 23:12:43,410 INFO L168 Benchmark]: RCFGBuilder took 421.75 ms. Allocated memory is still 203.9 MB. Free memory was 182.0 MB in the beginning and 163.9 MB in the end (delta: 18.1 MB). Peak memory consumption was 18.1 MB. Max. memory is 7.1 GB. [2020-09-04 23:12:43,411 INFO L168 Benchmark]: TraceAbstraction took 38824.97 ms. Allocated memory was 203.9 MB in the beginning and 295.2 MB in the end (delta: 91.2 MB). Free memory was 163.3 MB in the beginning and 223.7 MB in the end (delta: -60.4 MB). Peak memory consumption was 154.1 MB. Max. memory is 7.1 GB. [2020-09-04 23:12:43,415 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 ms. Allocated memory is still 140.5 MB. Free memory was 121.8 MB in the beginning and 121.6 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 390.78 ms. Allocated memory is still 140.5 MB. Free memory was 103.7 MB in the beginning and 93.3 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 132.61 ms. Allocated memory was 140.5 MB in the beginning and 203.9 MB in the end (delta: 63.4 MB). Free memory was 93.3 MB in the beginning and 182.0 MB in the end (delta: -88.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 421.75 ms. Allocated memory is still 203.9 MB. Free memory was 182.0 MB in the beginning and 163.9 MB in the end (delta: 18.1 MB). Peak memory consumption was 18.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 38824.97 ms. Allocated memory was 203.9 MB in the beginning and 295.2 MB in the end (delta: 91.2 MB). Free memory was 163.3 MB in the beginning and 223.7 MB in the end (delta: -60.4 MB). Peak memory consumption was 154.1 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 [2020-09-04 23:12:43,428 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-04 23:12:43,429 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-04 23:12:43,429 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-04 23:12:43,429 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-04 23:12:43,430 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-04 23:12:43,430 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-04 23:12:43,431 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-04 23:12:43,431 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 [2020-09-04 23:12:43,432 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-04 23:12:43,432 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-04 23:12:43,433 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-04 23:12:43,433 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-04 23:12:43,433 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-04 23:12:43,433 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-04 23:12:43,434 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-04 23:12:43,434 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-04 23:12:43,434 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-04 23:12:43,434 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-04 23:12:43,435 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-04 23:12:43,435 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-04 23:12:43,436 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-04 23:12:43,436 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-04 23:12:43,437 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-04 23:12:43,437 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-04 23:12:43,437 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-04 23:12:43,438 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-04 23:12:43,438 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-04 23:12:43,438 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-04 23:12:43,439 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-04 23:12:43,439 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-04 23:12:43,440 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-04 23:12:43,440 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: 27.6s, OverallIterations: 5, TraceHistogramMax: 3, AutomataDifference: 12.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 11.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 252 SDtfs, 185 SDslu, 1132 SDs, 0 SdLazy, 1280 SolverSat, 75 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 4.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 139 GetRequests, 47 SyntacticMatches, 8 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 345 ImplicationChecksByTransitivity, 20.5s 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, 3621 HoareAnnotationTreeSize, 122 FomulaSimplifications, 477 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 61 FomulaSimplificationsInter, 7751 FormulaSimplificationTreeSizeReductionInter, 10.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 14.4s InterpolantComputationTime, 244 NumberOfCodeBlocks, 244 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 239 ConstructedInterpolants, 0 QuantifiedInterpolants, 299046 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 4 PerfectInterpolantSequences, 61/64 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...