/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.assert.codeblocks.term.scoring.heuristic NUM_FUNCTIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 --traceabstraction.trace.refinement.strategy CAMEL_SMT_AM -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label36.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-79ed534 [2020-07-19 23:26:59,749 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-19 23:26:59,752 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-19 23:26:59,763 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-07-19 23:26:59,776 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-19 23:26:59,777 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-19 23:26:59,784 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-19 23:26:59,785 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-19 23:26:59,786 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-19 23:26:59,788 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-19 23:26:59,789 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-19 23:26:59,791 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-19 23:26:59,794 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-19 23:26:59,799 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-19 23:26:59,800 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-19 23:26:59,802 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-19 23:26:59,804 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-19 23:26:59,818 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-19 23:26:59,819 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-19 23:26:59,820 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-19 23:26:59,821 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-19 23:26:59,852 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-19 23:26:59,855 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-19 23:26:59,857 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-19 23:26:59,858 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-19 23:26:59,858 INFO L138 SettingsManager]: * Use SBE=true [2020-07-19 23:26:59,858 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-19 23:26:59,858 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-19 23:26:59,858 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-19 23:26:59,859 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-19 23:26:59,859 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-19 23:26:59,859 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-19 23:26:59,859 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-19 23:26:59,859 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-19 23:26:59,860 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-19 23:26:59,860 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-19 23:26:59,860 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-19 23:26:59,860 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-19 23:26:59,863 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-19 23:26:59,863 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-19 23:26:59,863 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-19 23:26:59,863 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-19 23:26:59,863 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-19 23:26:59,864 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-19 23:26:59,864 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-19 23:26:59,864 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-19 23:26:59,864 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-19 23:26:59,864 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-19 23:26:59,865 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-19 23:26:59,865 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-19 23:26:59,865 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> NUM_FUNCTIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> CAMEL_SMT_AM [2020-07-19 23:27:00,131 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-19 23:27:00,144 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-19 23:27:00,147 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-19 23:27:00,148 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-19 23:27:00,149 INFO L275 PluginConnector]: CDTParser initialized [2020-07-19 23:27:00,149 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label36.c [2020-07-19 23:27:00,207 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6dc87e973/dc165b4ce7bc4e3d85e3bc242a5fad62/FLAG56616c143 [2020-07-19 23:27:00,771 INFO L306 CDTParser]: Found 1 translation units. [2020-07-19 23:27:00,772 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label36.c [2020-07-19 23:27:00,784 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6dc87e973/dc165b4ce7bc4e3d85e3bc242a5fad62/FLAG56616c143 [2020-07-19 23:27:01,038 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6dc87e973/dc165b4ce7bc4e3d85e3bc242a5fad62 [2020-07-19 23:27:01,047 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-19 23:27:01,051 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-19 23:27:01,052 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-19 23:27:01,052 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-19 23:27:01,055 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-19 23:27:01,056 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 11:27:01" (1/1) ... [2020-07-19 23:27:01,059 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@662a784d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:27:01, skipping insertion in model container [2020-07-19 23:27:01,059 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 11:27:01" (1/1) ... [2020-07-19 23:27:01,066 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-19 23:27:01,119 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-19 23:27:01,593 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-19 23:27:01,598 INFO L203 MainTranslator]: Completed pre-run [2020-07-19 23:27:01,752 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-19 23:27:01,786 INFO L208 MainTranslator]: Completed translation [2020-07-19 23:27:01,786 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:27:01 WrapperNode [2020-07-19 23:27:01,787 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-19 23:27:01,788 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-19 23:27:01,788 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-19 23:27:01,788 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-19 23:27:01,804 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:27:01" (1/1) ... [2020-07-19 23:27:01,807 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:27:01" (1/1) ... [2020-07-19 23:27:01,845 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:27:01" (1/1) ... [2020-07-19 23:27:01,846 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:27:01" (1/1) ... [2020-07-19 23:27:01,882 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:27:01" (1/1) ... [2020-07-19 23:27:01,899 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:27:01" (1/1) ... [2020-07-19 23:27:01,903 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:27:01" (1/1) ... [2020-07-19 23:27:01,910 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-19 23:27:01,910 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-19 23:27:01,911 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-19 23:27:01,911 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-19 23:27:01,911 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:27:01" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-19 23:27:01,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-19 23:27:01,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-19 23:27:01,994 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-07-19 23:27:01,994 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-19 23:27:01,995 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-07-19 23:27:01,995 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-19 23:27:01,995 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-19 23:27:01,996 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-19 23:27:01,996 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-19 23:27:01,996 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-19 23:27:01,997 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-19 23:27:03,196 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-19 23:27:03,196 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-19 23:27:03,202 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 11:27:03 BoogieIcfgContainer [2020-07-19 23:27:03,202 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-19 23:27:03,203 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-19 23:27:03,204 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-19 23:27:03,207 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-19 23:27:03,207 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.07 11:27:01" (1/3) ... [2020-07-19 23:27:03,208 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@aafa3cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 11:27:03, skipping insertion in model container [2020-07-19 23:27:03,208 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:27:01" (2/3) ... [2020-07-19 23:27:03,208 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@aafa3cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 11:27:03, skipping insertion in model container [2020-07-19 23:27:03,208 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 11:27:03" (3/3) ... [2020-07-19 23:27:03,210 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label36.c [2020-07-19 23:27:03,220 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-19 23:27:03,228 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-19 23:27:03,241 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-19 23:27:03,265 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-19 23:27:03,266 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-19 23:27:03,266 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-19 23:27:03,266 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-19 23:27:03,266 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-19 23:27:03,266 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-19 23:27:03,267 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-19 23:27:03,267 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-19 23:27:03,289 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2020-07-19 23:27:03,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-07-19 23:27:03,304 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 23:27:03,305 INFO L422 BasicCegarLoop]: trace histogram [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, 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, 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] [2020-07-19 23:27:03,305 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 23:27:03,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 23:27:03,311 INFO L82 PathProgramCache]: Analyzing trace with hash 1783412414, now seen corresponding path program 1 times [2020-07-19 23:27:03,321 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 23:27:03,322 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [354989822] [2020-07-19 23:27:03,322 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@3af84d9b [2020-07-19 23:27:03,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:27:03,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:27:03,911 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 23:27:03,912 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [354989822] [2020-07-19 23:27:03,913 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 23:27:03,913 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-19 23:27:03,914 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [956474101] [2020-07-19 23:27:03,920 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-19 23:27:03,920 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 23:27:03,934 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-19 23:27:03,935 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-19 23:27:03,937 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 5 states. [2020-07-19 23:27:06,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 23:27:06,343 INFO L93 Difference]: Finished difference Result 785 states and 1380 transitions. [2020-07-19 23:27:06,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-19 23:27:06,346 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 138 [2020-07-19 23:27:06,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 23:27:06,364 INFO L225 Difference]: With dead ends: 785 [2020-07-19 23:27:06,364 INFO L226 Difference]: Without dead ends: 481 [2020-07-19 23:27:06,373 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-07-19 23:27:06,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 481 states. [2020-07-19 23:27:06,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 481 to 472. [2020-07-19 23:27:06,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 472 states. [2020-07-19 23:27:06,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 472 states and 643 transitions. [2020-07-19 23:27:06,470 INFO L78 Accepts]: Start accepts. Automaton has 472 states and 643 transitions. Word has length 138 [2020-07-19 23:27:06,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 23:27:06,471 INFO L479 AbstractCegarLoop]: Abstraction has 472 states and 643 transitions. [2020-07-19 23:27:06,471 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-19 23:27:06,471 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 643 transitions. [2020-07-19 23:27:06,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2020-07-19 23:27:06,484 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 23:27:06,485 INFO L422 BasicCegarLoop]: trace histogram [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, 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, 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] [2020-07-19 23:27:06,485 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-19 23:27:06,485 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 23:27:06,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 23:27:06,486 INFO L82 PathProgramCache]: Analyzing trace with hash 2116205167, now seen corresponding path program 1 times [2020-07-19 23:27:06,486 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 23:27:06,486 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [186315945] [2020-07-19 23:27:06,487 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@3af84d9b [2020-07-19 23:27:06,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:27:06,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:27:06,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:27:06,833 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 23:27:06,833 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [186315945] [2020-07-19 23:27:06,834 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [128961920] [2020-07-19 23:27:06,834 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@53de22d7 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 23:27:07,009 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@53de22d7 issued 4 check-sat command(s) [2020-07-19 23:27:07,009 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-19 23:27:07,012 INFO L263 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-19 23:27:07,043 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 23:27:07,123 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 23:27:07,124 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-19 23:27:07,124 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2020-07-19 23:27:07,125 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80644343] [2020-07-19 23:27:07,126 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-19 23:27:07,126 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 23:27:07,127 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-19 23:27:07,127 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-19 23:27:07,127 INFO L87 Difference]: Start difference. First operand 472 states and 643 transitions. Second operand 3 states. [2020-07-19 23:27:07,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 23:27:07,706 INFO L93 Difference]: Finished difference Result 1376 states and 1905 transitions. [2020-07-19 23:27:07,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-19 23:27:07,706 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 147 [2020-07-19 23:27:07,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 23:27:07,716 INFO L225 Difference]: With dead ends: 1376 [2020-07-19 23:27:07,716 INFO L226 Difference]: Without dead ends: 910 [2020-07-19 23:27:07,718 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-19 23:27:07,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 910 states. [2020-07-19 23:27:07,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 910 to 764. [2020-07-19 23:27:07,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 764 states. [2020-07-19 23:27:07,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 764 states to 764 states and 1091 transitions. [2020-07-19 23:27:07,772 INFO L78 Accepts]: Start accepts. Automaton has 764 states and 1091 transitions. Word has length 147 [2020-07-19 23:27:07,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 23:27:07,773 INFO L479 AbstractCegarLoop]: Abstraction has 764 states and 1091 transitions. [2020-07-19 23:27:07,773 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-19 23:27:07,773 INFO L276 IsEmpty]: Start isEmpty. Operand 764 states and 1091 transitions. [2020-07-19 23:27:07,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2020-07-19 23:27:07,777 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 23:27:07,778 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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, 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] [2020-07-19 23:27:07,992 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2020-07-19 23:27:07,993 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 23:27:07,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 23:27:07,994 INFO L82 PathProgramCache]: Analyzing trace with hash -774275897, now seen corresponding path program 1 times [2020-07-19 23:27:07,995 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 23:27:07,995 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [398027495] [2020-07-19 23:27:07,995 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@3af84d9b [2020-07-19 23:27:08,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:27:08,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:27:08,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:27:08,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:27:08,222 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 31 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-19 23:27:08,222 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [398027495] [2020-07-19 23:27:08,223 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1361566360] [2020-07-19 23:27:08,223 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@5eafc83d No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 23:27:08,343 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@5eafc83d issued 4 check-sat command(s) [2020-07-19 23:27:08,343 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-19 23:27:08,345 INFO L263 TraceCheckSpWp]: Trace formula consists of 423 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-19 23:27:08,351 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 23:27:08,409 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 32 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 23:27:08,410 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-19 23:27:08,410 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 10 [2020-07-19 23:27:08,410 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1122529546] [2020-07-19 23:27:08,411 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-19 23:27:08,411 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 23:27:08,412 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-19 23:27:08,412 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-07-19 23:27:08,412 INFO L87 Difference]: Start difference. First operand 764 states and 1091 transitions. Second operand 10 states. [2020-07-19 23:27:10,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 23:27:10,030 INFO L93 Difference]: Finished difference Result 1844 states and 2715 transitions. [2020-07-19 23:27:10,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-19 23:27:10,031 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 169 [2020-07-19 23:27:10,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 23:27:10,039 INFO L225 Difference]: With dead ends: 1844 [2020-07-19 23:27:10,039 INFO L226 Difference]: Without dead ends: 1086 [2020-07-19 23:27:10,042 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 173 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2020-07-19 23:27:10,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1086 states. [2020-07-19 23:27:10,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1086 to 922. [2020-07-19 23:27:10,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 922 states. [2020-07-19 23:27:10,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 922 states to 922 states and 1293 transitions. [2020-07-19 23:27:10,081 INFO L78 Accepts]: Start accepts. Automaton has 922 states and 1293 transitions. Word has length 169 [2020-07-19 23:27:10,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 23:27:10,082 INFO L479 AbstractCegarLoop]: Abstraction has 922 states and 1293 transitions. [2020-07-19 23:27:10,082 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-19 23:27:10,082 INFO L276 IsEmpty]: Start isEmpty. Operand 922 states and 1293 transitions. [2020-07-19 23:27:10,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2020-07-19 23:27:10,086 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 23:27:10,087 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 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, 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, 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] [2020-07-19 23:27:10,299 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 23:27:10,300 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 23:27:10,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 23:27:10,301 INFO L82 PathProgramCache]: Analyzing trace with hash 1714254655, now seen corresponding path program 1 times [2020-07-19 23:27:10,302 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 23:27:10,303 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [526190678] [2020-07-19 23:27:10,303 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@3af84d9b [2020-07-19 23:27:10,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:27:10,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:27:10,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:27:10,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:27:10,534 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 30 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-07-19 23:27:10,535 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [526190678] [2020-07-19 23:27:10,535 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [662558910] [2020-07-19 23:27:10,535 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@5a5627aa No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 23:27:10,657 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@5a5627aa issued 4 check-sat command(s) [2020-07-19 23:27:10,657 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-19 23:27:10,659 INFO L263 TraceCheckSpWp]: Trace formula consists of 429 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-19 23:27:10,665 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 23:27:10,731 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-07-19 23:27:10,732 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-19 23:27:10,732 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 5 [2020-07-19 23:27:10,732 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2071247921] [2020-07-19 23:27:10,733 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-19 23:27:10,734 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 23:27:10,734 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-19 23:27:10,734 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-19 23:27:10,735 INFO L87 Difference]: Start difference. First operand 922 states and 1293 transitions. Second operand 3 states. [2020-07-19 23:27:11,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 23:27:11,552 INFO L93 Difference]: Finished difference Result 2723 states and 3955 transitions. [2020-07-19 23:27:11,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-19 23:27:11,556 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 173 [2020-07-19 23:27:11,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 23:27:11,569 INFO L225 Difference]: With dead ends: 2723 [2020-07-19 23:27:11,569 INFO L226 Difference]: Without dead ends: 1807 [2020-07-19 23:27:11,572 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 180 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-19 23:27:11,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1807 states. [2020-07-19 23:27:11,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1807 to 1367. [2020-07-19 23:27:11,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1367 states. [2020-07-19 23:27:11,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1367 states to 1367 states and 1825 transitions. [2020-07-19 23:27:11,634 INFO L78 Accepts]: Start accepts. Automaton has 1367 states and 1825 transitions. Word has length 173 [2020-07-19 23:27:11,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 23:27:11,636 INFO L479 AbstractCegarLoop]: Abstraction has 1367 states and 1825 transitions. [2020-07-19 23:27:11,636 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-19 23:27:11,636 INFO L276 IsEmpty]: Start isEmpty. Operand 1367 states and 1825 transitions. [2020-07-19 23:27:11,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2020-07-19 23:27:11,642 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 23:27:11,642 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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] [2020-07-19 23:27:11,855 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 23:27:11,856 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 23:27:11,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 23:27:11,857 INFO L82 PathProgramCache]: Analyzing trace with hash -1881928958, now seen corresponding path program 1 times [2020-07-19 23:27:11,857 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 23:27:11,857 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1319960541] [2020-07-19 23:27:11,857 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@3af84d9b [2020-07-19 23:27:11,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:27:11,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:27:11,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:27:12,049 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 23:27:12,049 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1319960541] [2020-07-19 23:27:12,050 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 23:27:12,050 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-19 23:27:12,050 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1953460394] [2020-07-19 23:27:12,051 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-19 23:27:12,051 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 23:27:12,051 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-19 23:27:12,051 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-19 23:27:12,051 INFO L87 Difference]: Start difference. First operand 1367 states and 1825 transitions. Second operand 7 states. [2020-07-19 23:27:13,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 23:27:13,284 INFO L93 Difference]: Finished difference Result 3315 states and 4390 transitions. [2020-07-19 23:27:13,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-19 23:27:13,285 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 196 [2020-07-19 23:27:13,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 23:27:13,286 INFO L225 Difference]: With dead ends: 3315 [2020-07-19 23:27:13,286 INFO L226 Difference]: Without dead ends: 0 [2020-07-19 23:27:13,295 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2020-07-19 23:27:13,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-19 23:27:13,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-19 23:27:13,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-19 23:27:13,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-19 23:27:13,296 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 196 [2020-07-19 23:27:13,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 23:27:13,303 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-19 23:27:13,304 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-19 23:27:13,304 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-19 23:27:13,304 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-19 23:27:13,305 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-19 23:27:13,310 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-19 23:27:13,916 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 41 [2020-07-19 23:27:14,093 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-19 23:27:14,093 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a11~0 |old(~a11~0)|) (= ~z~0 |old(~z~0)|) (= ~w~0 |old(~w~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~a21~0 |old(~a21~0)|) (= ~c~0 |old(~c~0)|) (= ~v~0 |old(~v~0)|) (= ~a17~0 |old(~a17~0)|) (= ~y~0 |old(~y~0)|) (= ~f~0 |old(~f~0)|) (= ~a~0 |old(~a~0)|) (= ~x~0 |old(~x~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a28~0 |old(~a28~0)|) (= ~a25~0 |old(~a25~0)|) (= ~d~0 |old(~d~0)|)) [2020-07-19 23:27:14,093 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-19 23:27:14,093 INFO L268 CegarLoopResult]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 23:27:14,093 INFO L268 CegarLoopResult]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 23:27:14,094 INFO L268 CegarLoopResult]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 23:27:14,094 INFO L268 CegarLoopResult]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 23:27:14,094 INFO L268 CegarLoopResult]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 23:27:14,094 INFO L268 CegarLoopResult]: For program point L234(lines 234 413) no Hoare annotation was computed. [2020-07-19 23:27:14,095 INFO L268 CegarLoopResult]: For program point L69(lines 69 413) no Hoare annotation was computed. [2020-07-19 23:27:14,095 INFO L268 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-07-19 23:27:14,095 INFO L268 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-07-19 23:27:14,096 INFO L268 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-07-19 23:27:14,096 INFO L268 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-07-19 23:27:14,096 INFO L268 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-07-19 23:27:14,096 INFO L268 CegarLoopResult]: For program point L202(lines 202 413) no Hoare annotation was computed. [2020-07-19 23:27:14,096 INFO L268 CegarLoopResult]: For program point L169(lines 169 413) no Hoare annotation was computed. [2020-07-19 23:27:14,096 INFO L268 CegarLoopResult]: For program point L368(lines 368 413) no Hoare annotation was computed. [2020-07-19 23:27:14,096 INFO L268 CegarLoopResult]: For program point L203(lines 203 210) no Hoare annotation was computed. [2020-07-19 23:27:14,096 INFO L268 CegarLoopResult]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2020-07-19 23:27:14,096 INFO L268 CegarLoopResult]: For program point L38(lines 38 413) no Hoare annotation was computed. [2020-07-19 23:27:14,096 INFO L268 CegarLoopResult]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 23:27:14,097 INFO L268 CegarLoopResult]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 23:27:14,097 INFO L268 CegarLoopResult]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 23:27:14,097 INFO L268 CegarLoopResult]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 23:27:14,097 INFO L268 CegarLoopResult]: For program point L402(lines 402 413) no Hoare annotation was computed. [2020-07-19 23:27:14,097 INFO L268 CegarLoopResult]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 23:27:14,097 INFO L268 CegarLoopResult]: For program point L237(lines 237 413) no Hoare annotation was computed. [2020-07-19 23:27:14,097 INFO L268 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-07-19 23:27:14,098 INFO L268 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-07-19 23:27:14,098 INFO L268 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-07-19 23:27:14,098 INFO L268 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-07-19 23:27:14,098 INFO L268 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-07-19 23:27:14,098 INFO L268 CegarLoopResult]: For program point L337(lines 337 413) no Hoare annotation was computed. [2020-07-19 23:27:14,098 INFO L268 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2020-07-19 23:27:14,098 INFO L268 CegarLoopResult]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2020-07-19 23:27:14,099 INFO L268 CegarLoopResult]: For program point L139(lines 139 413) no Hoare annotation was computed. [2020-07-19 23:27:14,099 INFO L268 CegarLoopResult]: For program point L106(lines 106 413) no Hoare annotation was computed. [2020-07-19 23:27:14,099 INFO L268 CegarLoopResult]: For program point L404(lines 404 413) no Hoare annotation was computed. [2020-07-19 23:27:14,099 INFO L268 CegarLoopResult]: For program point L338(lines 338 347) no Hoare annotation was computed. [2020-07-19 23:27:14,099 INFO L268 CegarLoopResult]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2020-07-19 23:27:14,099 INFO L268 CegarLoopResult]: For program point L74(lines 74 413) no Hoare annotation was computed. [2020-07-19 23:27:14,099 INFO L268 CegarLoopResult]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 23:27:14,099 INFO L268 CegarLoopResult]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 23:27:14,100 INFO L268 CegarLoopResult]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 23:27:14,100 INFO L268 CegarLoopResult]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 23:27:14,100 INFO L268 CegarLoopResult]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 23:27:14,100 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 568) no Hoare annotation was computed. [2020-07-19 23:27:14,100 INFO L268 CegarLoopResult]: For program point L75(lines 75 80) no Hoare annotation was computed. [2020-07-19 23:27:14,100 INFO L268 CegarLoopResult]: For program point L42(lines 42 413) no Hoare annotation was computed. [2020-07-19 23:27:14,100 INFO L268 CegarLoopResult]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2020-07-19 23:27:14,101 INFO L268 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-07-19 23:27:14,101 INFO L268 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-07-19 23:27:14,101 INFO L268 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-07-19 23:27:14,101 INFO L268 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-07-19 23:27:14,101 INFO L268 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-07-19 23:27:14,101 INFO L268 CegarLoopResult]: For program point L175(lines 175 413) no Hoare annotation was computed. [2020-07-19 23:27:14,101 INFO L268 CegarLoopResult]: For program point L407(lines 407 413) no Hoare annotation was computed. [2020-07-19 23:27:14,101 INFO L268 CegarLoopResult]: For program point L143(lines 143 413) no Hoare annotation was computed. [2020-07-19 23:27:14,102 INFO L268 CegarLoopResult]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 23:27:14,102 INFO L268 CegarLoopResult]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 23:27:14,102 INFO L268 CegarLoopResult]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 23:27:14,102 INFO L268 CegarLoopResult]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 23:27:14,102 INFO L268 CegarLoopResult]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 23:27:14,102 INFO L268 CegarLoopResult]: For program point L375(lines 375 413) no Hoare annotation was computed. [2020-07-19 23:27:14,102 INFO L268 CegarLoopResult]: For program point L309(lines 309 413) no Hoare annotation was computed. [2020-07-19 23:27:14,103 INFO L268 CegarLoopResult]: For program point L276(lines 276 413) no Hoare annotation was computed. [2020-07-19 23:27:14,103 INFO L268 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-07-19 23:27:14,103 INFO L268 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-07-19 23:27:14,103 INFO L268 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-07-19 23:27:14,103 INFO L268 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-07-19 23:27:14,103 INFO L268 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-07-19 23:27:14,103 INFO L268 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2020-07-19 23:27:14,103 INFO L268 CegarLoopResult]: For program point L212(lines 212 413) no Hoare annotation was computed. [2020-07-19 23:27:14,104 INFO L268 CegarLoopResult]: For program point L179(lines 179 413) no Hoare annotation was computed. [2020-07-19 23:27:14,104 INFO L268 CegarLoopResult]: For program point L113(lines 113 413) no Hoare annotation was computed. [2020-07-19 23:27:14,104 INFO L268 CegarLoopResult]: For program point L47(lines 47 413) no Hoare annotation was computed. [2020-07-19 23:27:14,104 INFO L268 CegarLoopResult]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 23:27:14,104 INFO L268 CegarLoopResult]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 23:27:14,104 INFO L268 CegarLoopResult]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 23:27:14,104 INFO L268 CegarLoopResult]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 23:27:14,105 INFO L268 CegarLoopResult]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 23:27:14,105 INFO L268 CegarLoopResult]: For program point L378(lines 378 413) no Hoare annotation was computed. [2020-07-19 23:27:14,105 INFO L268 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2020-07-19 23:27:14,105 INFO L268 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-07-19 23:27:14,105 INFO L268 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-07-19 23:27:14,105 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-07-19 23:27:14,105 INFO L268 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-07-19 23:27:14,106 INFO L268 CegarLoopResult]: For program point L280(lines 280 413) no Hoare annotation was computed. [2020-07-19 23:27:14,106 INFO L268 CegarLoopResult]: For program point L148(lines 148 413) no Hoare annotation was computed. [2020-07-19 23:27:14,106 INFO L268 CegarLoopResult]: For program point L82(lines 82 413) no Hoare annotation was computed. [2020-07-19 23:27:14,106 INFO L268 CegarLoopResult]: For program point L380(lines 380 413) no Hoare annotation was computed. [2020-07-19 23:27:14,106 INFO L268 CegarLoopResult]: For program point L314(lines 314 413) no Hoare annotation was computed. [2020-07-19 23:27:14,106 INFO L268 CegarLoopResult]: For program point L248(lines 248 413) no Hoare annotation was computed. [2020-07-19 23:27:14,106 INFO L268 CegarLoopResult]: For program point L215(lines 215 413) no Hoare annotation was computed. [2020-07-19 23:27:14,107 INFO L268 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2020-07-19 23:27:14,107 INFO L268 CegarLoopResult]: For program point L50(lines 50 413) no Hoare annotation was computed. [2020-07-19 23:27:14,107 INFO L268 CegarLoopResult]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2020-07-19 23:27:14,107 INFO L268 CegarLoopResult]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 23:27:14,107 INFO L268 CegarLoopResult]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 23:27:14,107 INFO L268 CegarLoopResult]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 23:27:14,107 INFO L268 CegarLoopResult]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 23:27:14,108 INFO L268 CegarLoopResult]: For program point L414(lines 414 416) no Hoare annotation was computed. [2020-07-19 23:27:14,108 INFO L268 CegarLoopResult]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 23:27:14,108 INFO L268 CegarLoopResult]: For program point L381(lines 381 387) no Hoare annotation was computed. [2020-07-19 23:27:14,108 INFO L268 CegarLoopResult]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2020-07-19 23:27:14,108 INFO L268 CegarLoopResult]: For program point L315(lines 315 326) no Hoare annotation was computed. [2020-07-19 23:27:14,108 INFO L268 CegarLoopResult]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2020-07-19 23:27:14,108 INFO L268 CegarLoopResult]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2020-07-19 23:27:14,108 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2020-07-19 23:27:14,109 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2020-07-19 23:27:14,109 INFO L268 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-07-19 23:27:14,109 INFO L268 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-07-19 23:27:14,109 INFO L268 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-07-19 23:27:14,109 INFO L268 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-07-19 23:27:14,109 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-07-19 23:27:14,109 INFO L268 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-07-19 23:27:14,109 INFO L268 CegarLoopResult]: For program point L349(lines 349 413) no Hoare annotation was computed. [2020-07-19 23:27:14,110 INFO L268 CegarLoopResult]: For program point L283(lines 283 413) no Hoare annotation was computed. [2020-07-19 23:27:14,110 INFO L268 CegarLoopResult]: For program point L218(lines 218 413) no Hoare annotation was computed. [2020-07-19 23:27:14,110 INFO L268 CegarLoopResult]: For program point L185(lines 185 413) no Hoare annotation was computed. [2020-07-19 23:27:14,110 INFO L268 CegarLoopResult]: For program point L119(lines 119 413) no Hoare annotation was computed. [2020-07-19 23:27:14,110 INFO L268 CegarLoopResult]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 23:27:14,110 INFO L268 CegarLoopResult]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 23:27:14,110 INFO L268 CegarLoopResult]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 23:27:14,111 INFO L268 CegarLoopResult]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 23:27:14,111 INFO L268 CegarLoopResult]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 23:27:14,111 INFO L268 CegarLoopResult]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 23:27:14,111 INFO L268 CegarLoopResult]: For program point L54(lines 54 413) no Hoare annotation was computed. [2020-07-19 23:27:14,111 INFO L268 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2020-07-19 23:27:14,111 INFO L268 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-07-19 23:27:14,111 INFO L268 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-07-19 23:27:14,112 INFO L268 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-07-19 23:27:14,112 INFO L268 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-07-19 23:27:14,112 INFO L268 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-07-19 23:27:14,112 INFO L268 CegarLoopResult]: For program point L286(lines 286 413) no Hoare annotation was computed. [2020-07-19 23:27:14,112 INFO L268 CegarLoopResult]: For program point L253(lines 253 413) no Hoare annotation was computed. [2020-07-19 23:27:14,112 INFO L268 CegarLoopResult]: For program point L187(lines 187 413) no Hoare annotation was computed. [2020-07-19 23:27:14,112 INFO L268 CegarLoopResult]: For program point L154(lines 154 413) no Hoare annotation was computed. [2020-07-19 23:27:14,113 INFO L268 CegarLoopResult]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 23:27:14,113 INFO L268 CegarLoopResult]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 23:27:14,113 INFO L268 CegarLoopResult]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 23:27:14,113 INFO L268 CegarLoopResult]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 23:27:14,113 INFO L268 CegarLoopResult]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 23:27:14,113 INFO L268 CegarLoopResult]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 23:27:14,113 INFO L268 CegarLoopResult]: For program point L354(lines 354 413) no Hoare annotation was computed. [2020-07-19 23:27:14,113 INFO L268 CegarLoopResult]: For program point L189(lines 189 413) no Hoare annotation was computed. [2020-07-19 23:27:14,114 INFO L268 CegarLoopResult]: For program point L123(lines 123 413) no Hoare annotation was computed. [2020-07-19 23:27:14,114 INFO L268 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2020-07-19 23:27:14,114 INFO L268 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-07-19 23:27:14,114 INFO L268 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-07-19 23:27:14,114 INFO L268 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-07-19 23:27:14,114 INFO L268 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-07-19 23:27:14,114 INFO L268 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-07-19 23:27:14,115 INFO L268 CegarLoopResult]: For program point L223(lines 223 413) no Hoare annotation was computed. [2020-07-19 23:27:14,115 INFO L268 CegarLoopResult]: For program point L91(lines 91 413) no Hoare annotation was computed. [2020-07-19 23:27:14,115 INFO L268 CegarLoopResult]: For program point L389(lines 389 413) no Hoare annotation was computed. [2020-07-19 23:27:14,115 INFO L268 CegarLoopResult]: For program point L191(lines 191 413) no Hoare annotation was computed. [2020-07-19 23:27:14,115 INFO L268 CegarLoopResult]: For program point L59(lines 59 413) no Hoare annotation was computed. [2020-07-19 23:27:14,115 INFO L268 CegarLoopResult]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 23:27:14,115 INFO L268 CegarLoopResult]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 23:27:14,116 INFO L268 CegarLoopResult]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 23:27:14,116 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse2 (= ~a17~0 |old(~a17~0)|)) (.cse3 (= ~a19~0 |old(~a19~0)|)) (.cse4 (= ~a28~0 |old(~a28~0)|)) (.cse5 (= ~a25~0 |old(~a25~0)|))) (let ((.cse0 (and (= ~a11~0 |old(~a11~0)|) .cse2 .cse3 .cse4 .cse5)) (.cse1 (not (<= |old(~a17~0)| 8)))) (and (or (not (<= |old(~a28~0)| 10)) (not (<= 8 |old(~a17~0)|)) .cse0 .cse1) (or (not (<= |old(~a28~0)| 7)) .cse0 .cse1) (or (not (= 1 |old(~a19~0)|)) .cse0 (= 10 |old(~a28~0)|) .cse1) (or (and (= 1 ~a11~0) .cse2 .cse3 .cse4 .cse5) .cse1 (not (= 1 |old(~a11~0)|)))))) [2020-07-19 23:27:14,116 INFO L268 CegarLoopResult]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 23:27:14,116 INFO L268 CegarLoopResult]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 23:27:14,116 INFO L268 CegarLoopResult]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 23:27:14,116 INFO L268 CegarLoopResult]: For program point L291(lines 291 413) no Hoare annotation was computed. [2020-07-19 23:27:14,116 INFO L268 CegarLoopResult]: For program point L225(lines 225 413) no Hoare annotation was computed. [2020-07-19 23:27:14,116 INFO L268 CegarLoopResult]: For program point L159(lines 159 413) no Hoare annotation was computed. [2020-07-19 23:27:14,116 INFO L268 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-07-19 23:27:14,117 INFO L268 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-07-19 23:27:14,117 INFO L268 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-07-19 23:27:14,117 INFO L268 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-07-19 23:27:14,117 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-07-19 23:27:14,117 INFO L268 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-07-19 23:27:14,117 INFO L268 CegarLoopResult]: For program point L259(lines 259 413) no Hoare annotation was computed. [2020-07-19 23:27:14,117 INFO L268 CegarLoopResult]: For program point L293(lines 293 413) no Hoare annotation was computed. [2020-07-19 23:27:14,117 INFO L268 CegarLoopResult]: For program point L194(lines 194 413) no Hoare annotation was computed. [2020-07-19 23:27:14,117 INFO L268 CegarLoopResult]: For program point L95(lines 95 413) no Hoare annotation was computed. [2020-07-19 23:27:14,117 INFO L268 CegarLoopResult]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 23:27:14,117 INFO L268 CegarLoopResult]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 23:27:14,117 INFO L268 CegarLoopResult]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 23:27:14,118 INFO L268 CegarLoopResult]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 23:27:14,118 INFO L268 CegarLoopResult]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 23:27:14,118 INFO L268 CegarLoopResult]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 23:27:14,118 INFO L268 CegarLoopResult]: For program point L261(lines 261 413) no Hoare annotation was computed. [2020-07-19 23:27:14,118 INFO L268 CegarLoopResult]: For program point L30(lines 30 413) no Hoare annotation was computed. [2020-07-19 23:27:14,118 INFO L268 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2020-07-19 23:27:14,118 INFO L268 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-07-19 23:27:14,118 INFO L268 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-07-19 23:27:14,118 INFO L268 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-07-19 23:27:14,118 INFO L268 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-07-19 23:27:14,118 INFO L268 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-07-19 23:27:14,118 INFO L268 CegarLoopResult]: For program point L394(lines 394 413) no Hoare annotation was computed. [2020-07-19 23:27:14,119 INFO L268 CegarLoopResult]: For program point L361(lines 361 413) no Hoare annotation was computed. [2020-07-19 23:27:14,119 INFO L268 CegarLoopResult]: For program point L328(lines 328 413) no Hoare annotation was computed. [2020-07-19 23:27:14,119 INFO L268 CegarLoopResult]: For program point L262(lines 262 274) no Hoare annotation was computed. [2020-07-19 23:27:14,119 INFO L268 CegarLoopResult]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2020-07-19 23:27:14,119 INFO L268 CegarLoopResult]: For program point L130(lines 130 413) no Hoare annotation was computed. [2020-07-19 23:27:14,119 INFO L268 CegarLoopResult]: For program point L65(lines 65 413) no Hoare annotation was computed. [2020-07-19 23:27:14,119 INFO L268 CegarLoopResult]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2020-07-19 23:27:14,119 INFO L268 CegarLoopResult]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 23:27:14,119 INFO L268 CegarLoopResult]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 23:27:14,119 INFO L268 CegarLoopResult]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 23:27:14,119 INFO L268 CegarLoopResult]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 23:27:14,120 INFO L268 CegarLoopResult]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 23:27:14,120 INFO L268 CegarLoopResult]: For program point L297(lines 297 413) no Hoare annotation was computed. [2020-07-19 23:27:14,120 INFO L268 CegarLoopResult]: For program point L198(lines 198 413) no Hoare annotation was computed. [2020-07-19 23:27:14,120 INFO L268 CegarLoopResult]: For program point L165(lines 165 413) no Hoare annotation was computed. [2020-07-19 23:27:14,120 INFO L268 CegarLoopResult]: For program point L99(lines 99 413) no Hoare annotation was computed. [2020-07-19 23:27:14,120 INFO L268 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2020-07-19 23:27:14,120 INFO L268 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-07-19 23:27:14,120 INFO L268 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-07-19 23:27:14,121 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-07-19 23:27:14,121 INFO L268 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-07-19 23:27:14,121 INFO L268 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-07-19 23:27:14,121 INFO L268 CegarLoopResult]: For program point L331(lines 331 413) no Hoare annotation was computed. [2020-07-19 23:27:14,121 INFO L268 CegarLoopResult]: For program point L298(lines 298 307) no Hoare annotation was computed. [2020-07-19 23:27:14,121 INFO L268 CegarLoopResult]: For program point L232(lines 232 413) no Hoare annotation was computed. [2020-07-19 23:27:14,121 INFO L268 CegarLoopResult]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2020-07-19 23:27:14,121 INFO L268 CegarLoopResult]: For program point L398(lines 398 413) no Hoare annotation was computed. [2020-07-19 23:27:14,121 INFO L268 CegarLoopResult]: For program point L332(lines 332 335) no Hoare annotation was computed. [2020-07-19 23:27:14,122 INFO L268 CegarLoopResult]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2020-07-19 23:27:14,122 INFO L268 CegarLoopResult]: For program point L134(lines 134 413) no Hoare annotation was computed. [2020-07-19 23:27:14,122 INFO L268 CegarLoopResult]: For program point L35(lines 35 413) no Hoare annotation was computed. [2020-07-19 23:27:14,122 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-19 23:27:14,122 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~a19~0) (<= ~a17~0 8) (<= 8 ~a17~0) (<= ~a28~0 7)) [2020-07-19 23:27:14,122 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-19 23:27:14,122 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-19 23:27:14,122 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (= 1 |old(~a19~0)|)) (not (<= |old(~a28~0)| 7)) (not (<= 8 |old(~a17~0)|)) (and (= ~a11~0 |old(~a11~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a28~0 |old(~a28~0)|) (= ~a25~0 |old(~a25~0)|)) (not (<= |old(~a17~0)| 8))) [2020-07-19 23:27:14,122 INFO L264 CegarLoopResult]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse0 (<= ~a17~0 8))) (or (not (= 1 |old(~a19~0)|)) (and .cse0 (<= ~a28~0 7)) (not (<= |old(~a28~0)| 7)) (and (= 1 ~a11~0) .cse0) (not (<= 8 |old(~a17~0)|)) (and (= 1 ~a19~0) (not (= 10 ~a28~0)) .cse0) (and .cse0 (<= 8 ~a17~0) (<= ~a28~0 10)) (not (<= |old(~a17~0)| 8)))) [2020-07-19 23:27:14,123 INFO L268 CegarLoopResult]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2020-07-19 23:27:14,123 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2020-07-19 23:27:14,123 INFO L264 CegarLoopResult]: At program point L614(line 614) the Hoare annotation is: (let ((.cse0 (<= ~a17~0 8))) (or (not (= 1 |old(~a19~0)|)) (and .cse0 (<= ~a28~0 7)) (not (<= |old(~a28~0)| 7)) (and (= 1 ~a11~0) .cse0) (not (<= 8 |old(~a17~0)|)) (and (= 1 ~a19~0) (not (= 10 ~a28~0)) .cse0) (and .cse0 (<= 8 ~a17~0) (<= ~a28~0 10)) (not (<= |old(~a17~0)| 8)))) [2020-07-19 23:27:14,123 INFO L268 CegarLoopResult]: For program point L614-1(line 614) no Hoare annotation was computed. [2020-07-19 23:27:14,123 INFO L268 CegarLoopResult]: For program point L611(line 611) no Hoare annotation was computed. [2020-07-19 23:27:14,141 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.07 11:27:14 BoogieIcfgContainer [2020-07-19 23:27:14,142 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-19 23:27:14,144 INFO L168 Benchmark]: Toolchain (without parser) took 13094.40 ms. Allocated memory was 139.5 MB in the beginning and 413.1 MB in the end (delta: 273.7 MB). Free memory was 102.9 MB in the beginning and 157.4 MB in the end (delta: -54.6 MB). Peak memory consumption was 219.1 MB. Max. memory is 7.1 GB. [2020-07-19 23:27:14,145 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 139.5 MB. Free memory was 122.5 MB in the beginning and 122.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-19 23:27:14,146 INFO L168 Benchmark]: CACSL2BoogieTranslator took 735.71 ms. Allocated memory was 139.5 MB in the beginning and 205.5 MB in the end (delta: 66.1 MB). Free memory was 102.4 MB in the beginning and 172.1 MB in the end (delta: -69.6 MB). Peak memory consumption was 35.1 MB. Max. memory is 7.1 GB. [2020-07-19 23:27:14,147 INFO L168 Benchmark]: Boogie Preprocessor took 122.46 ms. Allocated memory is still 205.5 MB. Free memory was 172.1 MB in the beginning and 167.3 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. [2020-07-19 23:27:14,148 INFO L168 Benchmark]: RCFGBuilder took 1292.04 ms. Allocated memory was 205.5 MB in the beginning and 238.6 MB in the end (delta: 33.0 MB). Free memory was 167.3 MB in the beginning and 181.8 MB in the end (delta: -14.5 MB). Peak memory consumption was 81.4 MB. Max. memory is 7.1 GB. [2020-07-19 23:27:14,149 INFO L168 Benchmark]: TraceAbstraction took 10938.22 ms. Allocated memory was 238.6 MB in the beginning and 413.1 MB in the end (delta: 174.6 MB). Free memory was 180.4 MB in the beginning and 157.4 MB in the end (delta: 22.9 MB). Peak memory consumption was 197.5 MB. Max. memory is 7.1 GB. [2020-07-19 23:27:14,153 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 139.5 MB. Free memory was 122.5 MB in the beginning and 122.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 735.71 ms. Allocated memory was 139.5 MB in the beginning and 205.5 MB in the end (delta: 66.1 MB). Free memory was 102.4 MB in the beginning and 172.1 MB in the end (delta: -69.6 MB). Peak memory consumption was 35.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 122.46 ms. Allocated memory is still 205.5 MB. Free memory was 172.1 MB in the beginning and 167.3 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1292.04 ms. Allocated memory was 205.5 MB in the beginning and 238.6 MB in the end (delta: 33.0 MB). Free memory was 167.3 MB in the beginning and 181.8 MB in the end (delta: -14.5 MB). Peak memory consumption was 81.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 10938.22 ms. Allocated memory was 238.6 MB in the beginning and 413.1 MB in the end (delta: 174.6 MB). Free memory was 180.4 MB in the beginning and 157.4 MB in the end (delta: 22.9 MB). Peak memory consumption was 197.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 568]: 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: 606]: Loop Invariant Derived loop invariant: ((((((!(1 == \old(a19)) || (a17 <= 8 && a28 <= 7)) || !(\old(a28) <= 7)) || (1 == a11 && a17 <= 8)) || !(8 <= \old(a17))) || ((1 == a19 && !(10 == a28)) && a17 <= 8)) || ((a17 <= 8 && 8 <= a17) && a28 <= 10)) || !(\old(a17) <= 8) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 10.0s, OverallIterations: 5, TraceHistogramMax: 3, AutomataDifference: 6.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 423 SDtfs, 2041 SDslu, 221 SDs, 0 SdLazy, 3576 SolverSat, 875 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 546 GetRequests, 513 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1367occurred 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: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 759 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 44 PreInvPairs, 72 NumberOfFragments, 311 HoareAnnotationTreeSize, 44 FomulaSimplifications, 5837 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 7 FomulaSimplificationsInter, 1438 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 1312 NumberOfCodeBlocks, 1312 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 1304 ConstructedInterpolants, 0 QuantifiedInterpolants, 518293 SizeOfPredicates, 3 NumberOfNonLiveVariables, 1200 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 8 InterpolantComputations, 4 PerfectInterpolantSequences, 210/217 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...