/usr/bin/java -ea -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/loops/terminator_02-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-17 22:50:36,054 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-17 22:50:36,057 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-17 22:50:36,075 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-17 22:50:36,075 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-17 22:50:36,077 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-17 22:50:36,078 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-17 22:50:36,089 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-17 22:50:36,092 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-17 22:50:36,095 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-17 22:50:36,097 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-17 22:50:36,100 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-17 22:50:36,100 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-17 22:50:36,102 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-17 22:50:36,105 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-17 22:50:36,106 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-17 22:50:36,107 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-17 22:50:36,108 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-17 22:50:36,110 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-17 22:50:36,115 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-17 22:50:36,120 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-17 22:50:36,124 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-17 22:50:36,126 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-17 22:50:36,126 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-17 22:50:36,129 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-17 22:50:36,139 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-17 22:50:36,140 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-17 22:50:36,142 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-17 22:50:36,142 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 [2020-07-17 22:50:36,178 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-17 22:50:36,179 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-17 22:50:36,183 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-17 22:50:36,184 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-17 22:50:36,184 INFO L138 SettingsManager]: * Use SBE=true [2020-07-17 22:50:36,184 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-17 22:50:36,185 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-17 22:50:36,185 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-17 22:50:36,185 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-17 22:50:36,186 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-17 22:50:36,186 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-17 22:50:36,186 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-17 22:50:36,187 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-17 22:50:36,187 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-17 22:50:36,188 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-17 22:50:36,188 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-17 22:50:36,188 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-17 22:50:36,188 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-17 22:50:36,188 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-17 22:50:36,189 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-17 22:50:36,189 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-17 22:50:36,189 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 22:50:36,192 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-17 22:50:36,193 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-17 22:50:36,193 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-17 22:50:36,193 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-17 22:50:36,193 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-17 22:50:36,194 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-17 22:50:36,194 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-17 22:50:36,194 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-17 22:50:36,466 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-17 22:50:36,478 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-17 22:50:36,481 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-17 22:50:36,483 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-17 22:50:36,483 INFO L275 PluginConnector]: CDTParser initialized [2020-07-17 22:50:36,484 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/terminator_02-2.c [2020-07-17 22:50:36,564 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3cb07addd/228b08a0ff3e4e6bbbb5b40da7a1c29c/FLAGbf0d27f07 [2020-07-17 22:50:37,001 INFO L306 CDTParser]: Found 1 translation units. [2020-07-17 22:50:37,002 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/terminator_02-2.c [2020-07-17 22:50:37,009 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3cb07addd/228b08a0ff3e4e6bbbb5b40da7a1c29c/FLAGbf0d27f07 [2020-07-17 22:50:37,385 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3cb07addd/228b08a0ff3e4e6bbbb5b40da7a1c29c [2020-07-17 22:50:37,396 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-17 22:50:37,400 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-17 22:50:37,401 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-17 22:50:37,401 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-17 22:50:37,405 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-17 22:50:37,407 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 10:50:37" (1/1) ... [2020-07-17 22:50:37,410 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65b2b8c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:50:37, skipping insertion in model container [2020-07-17 22:50:37,411 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 10:50:37" (1/1) ... [2020-07-17 22:50:37,419 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-17 22:50:37,440 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-17 22:50:37,652 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 22:50:37,657 INFO L203 MainTranslator]: Completed pre-run [2020-07-17 22:50:37,673 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 22:50:37,689 INFO L208 MainTranslator]: Completed translation [2020-07-17 22:50:37,690 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:50:37 WrapperNode [2020-07-17 22:50:37,690 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-17 22:50:37,691 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-17 22:50:37,691 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-17 22:50:37,691 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-17 22:50:37,702 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:50:37" (1/1) ... [2020-07-17 22:50:37,702 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:50:37" (1/1) ... [2020-07-17 22:50:37,787 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:50:37" (1/1) ... [2020-07-17 22:50:37,788 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:50:37" (1/1) ... [2020-07-17 22:50:37,794 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:50:37" (1/1) ... [2020-07-17 22:50:37,800 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:50:37" (1/1) ... [2020-07-17 22:50:37,801 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:50:37" (1/1) ... [2020-07-17 22:50:37,803 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-17 22:50:37,803 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-17 22:50:37,804 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-17 22:50:37,804 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-17 22:50:37,805 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:50:37" (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 [2020-07-17 22:50:37,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-17 22:50:37,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-17 22:50:37,862 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-07-17 22:50:37,862 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-07-17 22:50:37,863 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-17 22:50:37,863 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-17 22:50:37,863 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-07-17 22:50:37,863 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-07-17 22:50:37,863 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-07-17 22:50:37,863 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-17 22:50:37,863 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-07-17 22:50:37,864 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-17 22:50:37,864 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-17 22:50:37,864 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-17 22:50:38,230 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-17 22:50:38,230 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-17 22:50:38,234 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 10:50:38 BoogieIcfgContainer [2020-07-17 22:50:38,234 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-17 22:50:38,235 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-17 22:50:38,235 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-17 22:50:38,238 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-17 22:50:38,239 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.07 10:50:37" (1/3) ... [2020-07-17 22:50:38,240 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a63dad7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 10:50:38, skipping insertion in model container [2020-07-17 22:50:38,240 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:50:37" (2/3) ... [2020-07-17 22:50:38,240 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a63dad7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 10:50:38, skipping insertion in model container [2020-07-17 22:50:38,241 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 10:50:38" (3/3) ... [2020-07-17 22:50:38,242 INFO L109 eAbstractionObserver]: Analyzing ICFG terminator_02-2.c [2020-07-17 22:50:38,253 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-17 22:50:38,261 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-17 22:50:38,274 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-17 22:50:38,293 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-17 22:50:38,293 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-17 22:50:38,293 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-17 22:50:38,293 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-17 22:50:38,293 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-17 22:50:38,294 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-17 22:50:38,294 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-17 22:50:38,294 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-17 22:50:38,311 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states. [2020-07-17 22:50:38,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-07-17 22:50:38,316 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 22:50:38,316 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 22:50:38,317 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 22:50:38,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 22:50:38,321 INFO L82 PathProgramCache]: Analyzing trace with hash -1447361753, now seen corresponding path program 1 times [2020-07-17 22:50:38,332 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 22:50:38,332 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1271253427] [2020-07-17 22:50:38,333 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 22:50:38,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:50:38,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:50:38,592 INFO L280 TraceCheckUtils]: 0: Hoare triple {26#true} assume true; {26#true} is VALID [2020-07-17 22:50:38,592 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {26#true} {26#true} #62#return; {26#true} is VALID [2020-07-17 22:50:38,595 INFO L263 TraceCheckUtils]: 0: Hoare triple {26#true} call ULTIMATE.init(); {26#true} is VALID [2020-07-17 22:50:38,595 INFO L280 TraceCheckUtils]: 1: Hoare triple {26#true} assume true; {26#true} is VALID [2020-07-17 22:50:38,595 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {26#true} {26#true} #62#return; {26#true} is VALID [2020-07-17 22:50:38,596 INFO L263 TraceCheckUtils]: 3: Hoare triple {26#true} call #t~ret6 := main(); {26#true} is VALID [2020-07-17 22:50:38,596 INFO L280 TraceCheckUtils]: 4: Hoare triple {26#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647;~x~0 := #t~nondet0;havoc #t~nondet0;assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647;~z~0 := #t~nondet1;havoc #t~nondet1; {26#true} is VALID [2020-07-17 22:50:38,597 INFO L280 TraceCheckUtils]: 5: Hoare triple {26#true} assume !!(~x~0 > -100); {26#true} is VALID [2020-07-17 22:50:38,597 INFO L280 TraceCheckUtils]: 6: Hoare triple {26#true} assume !!(~x~0 < 200); {26#true} is VALID [2020-07-17 22:50:38,600 INFO L280 TraceCheckUtils]: 7: Hoare triple {26#true} assume !!(~z~0 > 100); {30#(< 100 main_~z~0)} is VALID [2020-07-17 22:50:38,601 INFO L280 TraceCheckUtils]: 8: Hoare triple {30#(< 100 main_~z~0)} assume !!(~z~0 < 200); {30#(< 100 main_~z~0)} is VALID [2020-07-17 22:50:38,604 INFO L280 TraceCheckUtils]: 9: Hoare triple {30#(< 100 main_~z~0)} assume !(~x~0 < 100 && ~z~0 > 100); {31#(< 99 main_~x~0)} is VALID [2020-07-17 22:50:38,607 INFO L263 TraceCheckUtils]: 10: Hoare triple {31#(< 99 main_~x~0)} call __VERIFIER_assert((if ~x~0 >= 100 || ~z~0 <= 100 then 1 else 0)); {32#(not (= 0 |__VERIFIER_assert_#in~cond|))} is VALID [2020-07-17 22:50:38,608 INFO L280 TraceCheckUtils]: 11: Hoare triple {32#(not (= 0 |__VERIFIER_assert_#in~cond|))} ~cond := #in~cond; {33#(not (= 0 __VERIFIER_assert_~cond))} is VALID [2020-07-17 22:50:38,609 INFO L280 TraceCheckUtils]: 12: Hoare triple {33#(not (= 0 __VERIFIER_assert_~cond))} assume 0 == ~cond; {27#false} is VALID [2020-07-17 22:50:38,609 INFO L280 TraceCheckUtils]: 13: Hoare triple {27#false} assume !false; {27#false} is VALID [2020-07-17 22:50:38,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 22:50:38,612 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1271253427] [2020-07-17 22:50:38,613 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 22:50:38,613 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-17 22:50:38,614 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983370868] [2020-07-17 22:50:38,620 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 14 [2020-07-17 22:50:38,623 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-17 22:50:38,626 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-17 22:50:38,660 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 14 edges. 14 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 22:50:38,661 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-17 22:50:38,661 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 22:50:38,670 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-17 22:50:38,671 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-17 22:50:38,673 INFO L87 Difference]: Start difference. First operand 23 states. Second operand 6 states. [2020-07-17 22:50:39,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:50:39,005 INFO L93 Difference]: Finished difference Result 48 states and 60 transitions. [2020-07-17 22:50:39,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-17 22:50:39,005 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 14 [2020-07-17 22:50:39,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 22:50:39,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-17 22:50:39,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 60 transitions. [2020-07-17 22:50:39,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-17 22:50:39,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 60 transitions. [2020-07-17 22:50:39,026 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states and 60 transitions. [2020-07-17 22:50:39,125 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 60 edges. 60 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 22:50:39,136 INFO L225 Difference]: With dead ends: 48 [2020-07-17 22:50:39,136 INFO L226 Difference]: Without dead ends: 17 [2020-07-17 22:50:39,140 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-07-17 22:50:39,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2020-07-17 22:50:39,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2020-07-17 22:50:39,186 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-17 22:50:39,186 INFO L82 GeneralOperation]: Start isEquivalent. First operand 17 states. Second operand 17 states. [2020-07-17 22:50:39,187 INFO L74 IsIncluded]: Start isIncluded. First operand 17 states. Second operand 17 states. [2020-07-17 22:50:39,187 INFO L87 Difference]: Start difference. First operand 17 states. Second operand 17 states. [2020-07-17 22:50:39,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:50:39,190 INFO L93 Difference]: Finished difference Result 17 states and 18 transitions. [2020-07-17 22:50:39,191 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2020-07-17 22:50:39,191 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:50:39,191 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:50:39,192 INFO L74 IsIncluded]: Start isIncluded. First operand 17 states. Second operand 17 states. [2020-07-17 22:50:39,192 INFO L87 Difference]: Start difference. First operand 17 states. Second operand 17 states. [2020-07-17 22:50:39,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:50:39,195 INFO L93 Difference]: Finished difference Result 17 states and 18 transitions. [2020-07-17 22:50:39,195 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2020-07-17 22:50:39,195 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:50:39,196 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:50:39,196 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-17 22:50:39,196 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-17 22:50:39,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2020-07-17 22:50:39,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 18 transitions. [2020-07-17 22:50:39,200 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 18 transitions. Word has length 14 [2020-07-17 22:50:39,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 22:50:39,200 INFO L479 AbstractCegarLoop]: Abstraction has 17 states and 18 transitions. [2020-07-17 22:50:39,201 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-17 22:50:39,201 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2020-07-17 22:50:39,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-07-17 22:50:39,202 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 22:50:39,202 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 22:50:39,202 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-17 22:50:39,202 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 22:50:39,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 22:50:39,203 INFO L82 PathProgramCache]: Analyzing trace with hash 1757797730, now seen corresponding path program 1 times [2020-07-17 22:50:39,203 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 22:50:39,204 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [173562005] [2020-07-17 22:50:39,204 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 22:50:39,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:50:39,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:50:39,289 INFO L280 TraceCheckUtils]: 0: Hoare triple {159#true} assume true; {159#true} is VALID [2020-07-17 22:50:39,289 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {159#true} {159#true} #62#return; {159#true} is VALID [2020-07-17 22:50:39,290 INFO L263 TraceCheckUtils]: 0: Hoare triple {159#true} call ULTIMATE.init(); {159#true} is VALID [2020-07-17 22:50:39,290 INFO L280 TraceCheckUtils]: 1: Hoare triple {159#true} assume true; {159#true} is VALID [2020-07-17 22:50:39,290 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {159#true} {159#true} #62#return; {159#true} is VALID [2020-07-17 22:50:39,291 INFO L263 TraceCheckUtils]: 3: Hoare triple {159#true} call #t~ret6 := main(); {159#true} is VALID [2020-07-17 22:50:39,291 INFO L280 TraceCheckUtils]: 4: Hoare triple {159#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647;~x~0 := #t~nondet0;havoc #t~nondet0;assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647;~z~0 := #t~nondet1;havoc #t~nondet1; {159#true} is VALID [2020-07-17 22:50:39,291 INFO L280 TraceCheckUtils]: 5: Hoare triple {159#true} assume !!(~x~0 > -100); {159#true} is VALID [2020-07-17 22:50:39,292 INFO L280 TraceCheckUtils]: 6: Hoare triple {159#true} assume !!(~x~0 < 200); {159#true} is VALID [2020-07-17 22:50:39,292 INFO L280 TraceCheckUtils]: 7: Hoare triple {159#true} assume !!(~z~0 > 100); {159#true} is VALID [2020-07-17 22:50:39,292 INFO L280 TraceCheckUtils]: 8: Hoare triple {159#true} assume !!(~z~0 < 200); {159#true} is VALID [2020-07-17 22:50:39,293 INFO L280 TraceCheckUtils]: 9: Hoare triple {159#true} assume !!(~x~0 < 100 && ~z~0 > 100);~tmp~0 := #t~nondet2;havoc #t~nondet2; {159#true} is VALID [2020-07-17 22:50:39,293 INFO L280 TraceCheckUtils]: 10: Hoare triple {159#true} assume !(0 != ~tmp~0 % 256);#t~post4 := ~x~0;~x~0 := #t~post4 - 1;havoc #t~post4;#t~post5 := ~z~0;~z~0 := #t~post5 - 1;havoc #t~post5; {159#true} is VALID [2020-07-17 22:50:39,294 INFO L280 TraceCheckUtils]: 11: Hoare triple {159#true} assume !(~x~0 < 100 && ~z~0 > 100); {163#(or (<= main_~z~0 100) (< 99 main_~x~0))} is VALID [2020-07-17 22:50:39,296 INFO L263 TraceCheckUtils]: 12: Hoare triple {163#(or (<= main_~z~0 100) (< 99 main_~x~0))} call __VERIFIER_assert((if ~x~0 >= 100 || ~z~0 <= 100 then 1 else 0)); {164#(not (= 0 |__VERIFIER_assert_#in~cond|))} is VALID [2020-07-17 22:50:39,297 INFO L280 TraceCheckUtils]: 13: Hoare triple {164#(not (= 0 |__VERIFIER_assert_#in~cond|))} ~cond := #in~cond; {165#(not (= 0 __VERIFIER_assert_~cond))} is VALID [2020-07-17 22:50:39,298 INFO L280 TraceCheckUtils]: 14: Hoare triple {165#(not (= 0 __VERIFIER_assert_~cond))} assume 0 == ~cond; {160#false} is VALID [2020-07-17 22:50:39,298 INFO L280 TraceCheckUtils]: 15: Hoare triple {160#false} assume !false; {160#false} is VALID [2020-07-17 22:50:39,299 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-17 22:50:39,300 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [173562005] [2020-07-17 22:50:39,300 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 22:50:39,300 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-17 22:50:39,300 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [272851110] [2020-07-17 22:50:39,302 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2020-07-17 22:50:39,302 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-17 22:50:39,302 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-17 22:50:39,322 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 16 edges. 16 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 22:50:39,322 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-17 22:50:39,323 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 22:50:39,323 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-17 22:50:39,323 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-17 22:50:39,323 INFO L87 Difference]: Start difference. First operand 17 states and 18 transitions. Second operand 5 states. [2020-07-17 22:50:39,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:50:39,394 INFO L93 Difference]: Finished difference Result 17 states and 18 transitions. [2020-07-17 22:50:39,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-17 22:50:39,395 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2020-07-17 22:50:39,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 22:50:39,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-17 22:50:39,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 17 transitions. [2020-07-17 22:50:39,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-17 22:50:39,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 17 transitions. [2020-07-17 22:50:39,398 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 17 transitions. [2020-07-17 22:50:39,417 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 17 edges. 17 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 22:50:39,418 INFO L225 Difference]: With dead ends: 17 [2020-07-17 22:50:39,418 INFO L226 Difference]: Without dead ends: 0 [2020-07-17 22:50:39,419 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-17 22:50:39,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-17 22:50:39,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-17 22:50:39,420 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-17 22:50:39,420 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2020-07-17 22:50:39,420 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-17 22:50:39,420 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-17 22:50:39,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:50:39,421 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-17 22:50:39,421 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-17 22:50:39,421 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:50:39,421 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:50:39,422 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-17 22:50:39,422 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-17 22:50:39,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:50:39,422 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-17 22:50:39,422 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-17 22:50:39,422 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:50:39,423 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:50:39,423 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-17 22:50:39,423 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-17 22:50:39,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-17 22:50:39,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-17 22:50:39,424 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 16 [2020-07-17 22:50:39,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 22:50:39,424 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-17 22:50:39,424 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-17 22:50:39,424 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-17 22:50:39,424 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:50:39,425 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-17 22:50:39,427 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-17 22:50:39,464 INFO L271 CegarLoopResult]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2020-07-17 22:50:39,464 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-17 22:50:39,465 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-17 22:50:39,465 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-07-17 22:50:39,465 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-17 22:50:39,465 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-17 22:50:39,465 INFO L268 CegarLoopResult]: For program point assume_abort_if_notENTRY(lines 4 6) no Hoare annotation was computed. [2020-07-17 22:50:39,465 INFO L268 CegarLoopResult]: For program point L5(line 5) no Hoare annotation was computed. [2020-07-17 22:50:39,466 INFO L268 CegarLoopResult]: For program point L5-2(lines 4 6) no Hoare annotation was computed. [2020-07-17 22:50:39,466 INFO L268 CegarLoopResult]: For program point assume_abort_if_notEXIT(lines 4 6) no Hoare annotation was computed. [2020-07-17 22:50:39,466 INFO L268 CegarLoopResult]: For program point L27(lines 27 32) no Hoare annotation was computed. [2020-07-17 22:50:39,466 INFO L271 CegarLoopResult]: At program point L27-2(lines 24 33) the Hoare annotation is: true [2020-07-17 22:50:39,466 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 16 38) no Hoare annotation was computed. [2020-07-17 22:50:39,466 INFO L268 CegarLoopResult]: For program point L23(line 23) no Hoare annotation was computed. [2020-07-17 22:50:39,466 INFO L268 CegarLoopResult]: For program point L21(line 21) no Hoare annotation was computed. [2020-07-17 22:50:39,467 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 16 38) no Hoare annotation was computed. [2020-07-17 22:50:39,467 INFO L271 CegarLoopResult]: At program point mainENTRY(lines 16 38) the Hoare annotation is: true [2020-07-17 22:50:39,467 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-07-17 22:50:39,467 INFO L264 CegarLoopResult]: At program point L24-2(lines 24 33) the Hoare annotation is: (or (<= main_~z~0 100) (< 99 main_~x~0)) [2020-07-17 22:50:39,467 INFO L268 CegarLoopResult]: For program point L20(line 20) no Hoare annotation was computed. [2020-07-17 22:50:39,467 INFO L268 CegarLoopResult]: For program point L35(line 35) no Hoare annotation was computed. [2020-07-17 22:50:39,468 INFO L271 CegarLoopResult]: At program point __VERIFIER_assertENTRY(lines 7 12) the Hoare annotation is: true [2020-07-17 22:50:39,468 INFO L268 CegarLoopResult]: For program point __VERIFIER_assertEXIT(lines 7 12) no Hoare annotation was computed. [2020-07-17 22:50:39,468 INFO L268 CegarLoopResult]: For program point L9(line 9) no Hoare annotation was computed. [2020-07-17 22:50:39,468 INFO L268 CegarLoopResult]: For program point L8(lines 8 10) no Hoare annotation was computed. [2020-07-17 22:50:39,468 INFO L268 CegarLoopResult]: For program point L8-2(lines 7 12) no Hoare annotation was computed. [2020-07-17 22:50:39,468 INFO L268 CegarLoopResult]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 9) no Hoare annotation was computed. [2020-07-17 22:50:39,473 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2020-07-17 22:50:39,473 WARN L170 areAnnotationChecker]: assume_abort_if_notENTRY has no Hoare annotation [2020-07-17 22:50:39,473 WARN L170 areAnnotationChecker]: L20 has no Hoare annotation [2020-07-17 22:50:39,473 WARN L170 areAnnotationChecker]: L8 has no Hoare annotation [2020-07-17 22:50:39,474 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2020-07-17 22:50:39,474 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-17 22:50:39,474 WARN L170 areAnnotationChecker]: L5 has no Hoare annotation [2020-07-17 22:50:39,474 WARN L170 areAnnotationChecker]: L5 has no Hoare annotation [2020-07-17 22:50:39,474 WARN L170 areAnnotationChecker]: L20 has no Hoare annotation [2020-07-17 22:50:39,474 WARN L170 areAnnotationChecker]: L20 has no Hoare annotation [2020-07-17 22:50:39,475 WARN L170 areAnnotationChecker]: L8 has no Hoare annotation [2020-07-17 22:50:39,475 WARN L170 areAnnotationChecker]: L8 has no Hoare annotation [2020-07-17 22:50:39,475 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-17 22:50:39,475 WARN L170 areAnnotationChecker]: L5-2 has no Hoare annotation [2020-07-17 22:50:39,475 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2020-07-17 22:50:39,475 WARN L170 areAnnotationChecker]: L21 has no Hoare annotation [2020-07-17 22:50:39,475 WARN L170 areAnnotationChecker]: L21 has no Hoare annotation [2020-07-17 22:50:39,476 WARN L170 areAnnotationChecker]: L9 has no Hoare annotation [2020-07-17 22:50:39,476 WARN L170 areAnnotationChecker]: L9 has no Hoare annotation [2020-07-17 22:50:39,476 WARN L170 areAnnotationChecker]: L8-2 has no Hoare annotation [2020-07-17 22:50:39,476 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2020-07-17 22:50:39,476 WARN L170 areAnnotationChecker]: L22 has no Hoare annotation [2020-07-17 22:50:39,476 WARN L170 areAnnotationChecker]: L22 has no Hoare annotation [2020-07-17 22:50:39,477 WARN L170 areAnnotationChecker]: __VERIFIER_assertEXIT has no Hoare annotation [2020-07-17 22:50:39,477 WARN L170 areAnnotationChecker]: L23 has no Hoare annotation [2020-07-17 22:50:39,477 WARN L170 areAnnotationChecker]: L23 has no Hoare annotation [2020-07-17 22:50:39,477 WARN L170 areAnnotationChecker]: L35 has no Hoare annotation [2020-07-17 22:50:39,481 WARN L170 areAnnotationChecker]: L27 has no Hoare annotation [2020-07-17 22:50:39,481 WARN L170 areAnnotationChecker]: L35 has no Hoare annotation [2020-07-17 22:50:39,482 WARN L170 areAnnotationChecker]: L27 has no Hoare annotation [2020-07-17 22:50:39,482 WARN L170 areAnnotationChecker]: L27 has no Hoare annotation [2020-07-17 22:50:39,482 INFO L163 areAnnotationChecker]: CFG has 5 edges. 5 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-17 22:50:39,494 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.07 10:50:39 BoogieIcfgContainer [2020-07-17 22:50:39,494 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-17 22:50:39,499 INFO L168 Benchmark]: Toolchain (without parser) took 2098.77 ms. Allocated memory was 138.4 MB in the beginning and 235.4 MB in the end (delta: 97.0 MB). Free memory was 102.8 MB in the beginning and 154.9 MB in the end (delta: -52.1 MB). Peak memory consumption was 44.9 MB. Max. memory is 7.1 GB. [2020-07-17 22:50:39,507 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 138.4 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-17 22:50:39,508 INFO L168 Benchmark]: CACSL2BoogieTranslator took 289.69 ms. Allocated memory is still 138.4 MB. Free memory was 102.4 MB in the beginning and 92.5 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. [2020-07-17 22:50:39,510 INFO L168 Benchmark]: Boogie Preprocessor took 111.97 ms. Allocated memory was 138.4 MB in the beginning and 202.4 MB in the end (delta: 64.0 MB). Free memory was 92.5 MB in the beginning and 180.9 MB in the end (delta: -88.4 MB). Peak memory consumption was 14.3 MB. Max. memory is 7.1 GB. [2020-07-17 22:50:39,511 INFO L168 Benchmark]: RCFGBuilder took 430.76 ms. Allocated memory is still 202.4 MB. Free memory was 180.9 MB in the beginning and 159.8 MB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2020-07-17 22:50:39,513 INFO L168 Benchmark]: TraceAbstraction took 1259.42 ms. Allocated memory was 202.4 MB in the beginning and 235.4 MB in the end (delta: 33.0 MB). Free memory was 159.1 MB in the beginning and 154.9 MB in the end (delta: 4.2 MB). Peak memory consumption was 37.3 MB. Max. memory is 7.1 GB. [2020-07-17 22:50:39,519 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 138.4 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 289.69 ms. Allocated memory is still 138.4 MB. Free memory was 102.4 MB in the beginning and 92.5 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 111.97 ms. Allocated memory was 138.4 MB in the beginning and 202.4 MB in the end (delta: 64.0 MB). Free memory was 92.5 MB in the beginning and 180.9 MB in the end (delta: -88.4 MB). Peak memory consumption was 14.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 430.76 ms. Allocated memory is still 202.4 MB. Free memory was 180.9 MB in the beginning and 159.8 MB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1259.42 ms. Allocated memory was 202.4 MB in the beginning and 235.4 MB in the end (delta: 33.0 MB). Free memory was 159.1 MB in the beginning and 154.9 MB in the end (delta: 4.2 MB). Peak memory consumption was 37.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 9]: 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: 24]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 27 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.1s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 41 SDtfs, 15 SDslu, 124 SDs, 0 SdLazy, 52 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23occurred in iteration=0, 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 9 PreInvPairs, 12 NumberOfFragments, 13 HoareAnnotationTreeSize, 9 FomulaSimplifications, 7 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 30 NumberOfCodeBlocks, 30 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 28 ConstructedInterpolants, 0 QuantifiedInterpolants, 730 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 1/1 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...