java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain ExplicitValueDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/loop-invgen/apache-get-tag.i.p+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 15:43:03,574 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 15:43:03,576 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 15:43:03,587 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 15:43:03,587 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 15:43:03,588 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 15:43:03,589 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 15:43:03,591 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 15:43:03,593 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 15:43:03,594 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 15:43:03,594 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 15:43:03,596 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 15:43:03,596 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 15:43:03,597 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 15:43:03,598 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 15:43:03,599 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 15:43:03,599 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 15:43:03,600 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 15:43:03,602 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 15:43:03,604 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 15:43:03,606 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 15:43:03,607 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 15:43:03,608 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 15:43:03,609 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 15:43:03,611 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 15:43:03,611 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 15:43:03,612 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 15:43:03,612 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 15:43:03,613 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 15:43:03,614 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 15:43:03,614 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 15:43:03,615 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 15:43:03,616 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 15:43:03,616 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 15:43:03,617 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 15:43:03,618 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 15:43:03,618 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 15:43:03,618 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 15:43:03,619 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 15:43:03,619 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 15:43:03,620 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 15:43:03,621 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 [2019-09-20 15:43:03,635 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 15:43:03,635 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 15:43:03,636 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 15:43:03,637 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 15:43:03,637 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 15:43:03,637 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 15:43:03,637 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 15:43:03,638 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 15:43:03,638 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 15:43:03,638 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 15:43:03,638 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 15:43:03,638 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 15:43:03,639 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 15:43:03,639 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 15:43:03,639 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 15:43:03,639 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 15:43:03,639 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 15:43:03,640 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 15:43:03,640 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 15:43:03,640 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 15:43:03,640 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 15:43:03,640 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 15:43:03,641 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 15:43:03,641 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 15:43:03,641 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 15:43:03,641 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 15:43:03,641 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 15:43:03,642 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 15:43:03,642 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-09-20 15:43:03,673 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 15:43:03,685 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 15:43:03,692 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 15:43:03,694 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 15:43:03,695 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 15:43:03,696 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/apache-get-tag.i.p+lhb-reducer.c [2019-09-20 15:43:03,754 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/20f6b1437/be252962d8d346e4ba64e90c57f5ec50/FLAGba838d664 [2019-09-20 15:43:04,197 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 15:43:04,197 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/apache-get-tag.i.p+lhb-reducer.c [2019-09-20 15:43:04,219 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/20f6b1437/be252962d8d346e4ba64e90c57f5ec50/FLAGba838d664 [2019-09-20 15:43:04,583 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/20f6b1437/be252962d8d346e4ba64e90c57f5ec50 [2019-09-20 15:43:04,593 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 15:43:04,595 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 15:43:04,596 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 15:43:04,596 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 15:43:04,600 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 15:43:04,601 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:43:04" (1/1) ... [2019-09-20 15:43:04,605 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54f3530e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:43:04, skipping insertion in model container [2019-09-20 15:43:04,606 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:43:04" (1/1) ... [2019-09-20 15:43:04,613 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 15:43:04,679 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 15:43:05,119 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:43:05,131 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 15:43:05,204 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:43:05,226 INFO L192 MainTranslator]: Completed translation [2019-09-20 15:43:05,227 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:43:05 WrapperNode [2019-09-20 15:43:05,227 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 15:43:05,228 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 15:43:05,228 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 15:43:05,228 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 15:43:05,252 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:43:05" (1/1) ... [2019-09-20 15:43:05,253 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:43:05" (1/1) ... [2019-09-20 15:43:05,264 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:43:05" (1/1) ... [2019-09-20 15:43:05,265 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:43:05" (1/1) ... [2019-09-20 15:43:05,282 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:43:05" (1/1) ... [2019-09-20 15:43:05,295 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:43:05" (1/1) ... [2019-09-20 15:43:05,298 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:43:05" (1/1) ... [2019-09-20 15:43:05,307 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 15:43:05,307 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 15:43:05,307 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 15:43:05,307 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 15:43:05,308 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:43:05" (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 [2019-09-20 15:43:05,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 15:43:05,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 15:43:05,358 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 15:43:05,358 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 15:43:05,358 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-20 15:43:05,358 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-20 15:43:05,359 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 15:43:05,359 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 15:43:05,359 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 15:43:05,359 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 15:43:06,093 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 15:43:06,094 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-20 15:43:06,095 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:43:06 BoogieIcfgContainer [2019-09-20 15:43:06,095 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 15:43:06,096 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 15:43:06,096 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 15:43:06,097 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 15:43:06,098 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:43:06" (1/1) ... [2019-09-20 15:43:06,098 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_QUICK ♦ Intern Fluid=SizeLimitFluid [2019-09-20 15:43:06,126 INFO L162 IcfgInterpreter]: Started Sifa with 16 locations of interest [2019-09-20 15:43:06,127 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 15:43:06,137 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 15:43:06,147 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 15:43:06,148 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 15:43:06,268 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 24 for LOIs [2019-09-20 15:43:06,654 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2019-09-20 15:43:07,074 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-20 15:43:07,127 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-20 15:43:07,189 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-20 15:43:07,221 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-20 15:43:09,084 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-20 15:43:10,255 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-20 15:43:16,050 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 15:43:16,051 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 15:43:16,055 INFO L193 IcfgInterpreter]: Reachable states at location mainErr11ASSERT_VIOLATIONERROR_FUNCTION satisfy 2845#(and (not (= 0 main_~main____CPAchecker_TMP_6~0)) (<= main_~main____CPAchecker_TMP_6~0 2147483647) (= main_~__VERIFIER_assert__cond~13 main_~__tmp_14~0) (not (= main_~__VERIFIER_assert__cond~12 0)) (= 0 main_~main____CPAchecker_TMP_3~0) (= (ite (<= main_~main__t~0 main_~main__tagbuf_len~0) 1 0) main_~__tmp_14~0) (= main_~__VERIFIER_assert__cond~13 0) (= main_~__VERIFIER_assert__cond~12 main_~__tmp_13~0) (= (ite (<= 0 main_~main__t~0) 1 0) main_~__tmp_13~0) (<= 0 (+ main_~main____CPAchecker_TMP_6~0 2147483648))) [2019-09-20 15:43:16,056 INFO L193 IcfgInterpreter]: Reachable states at location mainErr1ASSERT_VIOLATIONERROR_FUNCTION satisfy 475#(and (= main_~__tmp_1~0 (ite (<= 0 main_~main__t~0) 1 0)) (= main_~__VERIFIER_assert__cond~1 0) (= main_~__tmp_2~0 (ite (<= main_~main__t~0 main_~main__tagbuf_len~0) 1 0)) (= main_~__tmp_1~0 main_~__VERIFIER_assert__cond~0) (= main_~__tmp_2~0 main_~__VERIFIER_assert__cond~1) (not (= main_~__VERIFIER_assert__cond~0 0)) (= main_~main__tagbuf_len~0 main_~main__t~0)) [2019-09-20 15:43:16,056 INFO L193 IcfgInterpreter]: Reachable states at location mainErr2ASSERT_VIOLATIONERROR_FUNCTION satisfy 2505#(= main_~__VERIFIER_assert__cond~4 0) [2019-09-20 15:43:16,056 INFO L193 IcfgInterpreter]: Reachable states at location mainErr5ASSERT_VIOLATIONERROR_FUNCTION satisfy 2706#(and (not (= main_~__VERIFIER_assert__cond~6 0)) (= main_~__tmp_8~0 main_~__VERIFIER_assert__cond~7) (= main_~__tmp_7~0 main_~__VERIFIER_assert__cond~6) (not (= 0 main_~main____CPAchecker_TMP_4~0)) (= main_~__tmp_8~0 (ite (<= main_~main__t~0 main_~main__tagbuf_len~0) 1 0)) (<= 0 (+ main_~main____CPAchecker_TMP_4~0 2147483648)) (not (= 0 main_~main____CPAchecker_TMP_3~0)) (<= main_~main____CPAchecker_TMP_4~0 2147483647) (= main_~__tmp_7~0 (ite (<= 0 main_~main__t~0) 1 0)) (= main_~__VERIFIER_assert__cond~7 0)) [2019-09-20 15:43:16,057 INFO L193 IcfgInterpreter]: Reachable states at location mainErr4ASSERT_VIOLATIONERROR_FUNCTION satisfy 2825#(and (= main_~__tmp_7~0 main_~__VERIFIER_assert__cond~6) (not (= 0 main_~main____CPAchecker_TMP_4~0)) (<= 0 (+ main_~main____CPAchecker_TMP_4~0 2147483648)) (not (= 0 main_~main____CPAchecker_TMP_3~0)) (<= main_~main____CPAchecker_TMP_4~0 2147483647) (= main_~__tmp_7~0 (ite (<= 0 main_~main__t~0) 1 0)) (= main_~__VERIFIER_assert__cond~6 0)) [2019-09-20 15:43:16,057 INFO L193 IcfgInterpreter]: Reachable states at location mainErr3ASSERT_VIOLATIONERROR_FUNCTION satisfy 2317#(= main_~__VERIFIER_assert__cond~5 0) [2019-09-20 15:43:16,057 INFO L193 IcfgInterpreter]: Reachable states at location mainErr8ASSERT_VIOLATIONERROR_FUNCTION satisfy 2748#(and (= main_~__VERIFIER_assert__cond~10 main_~__tmp_11~0) (= main_~__VERIFIER_assert__cond~10 0) (= (ite (<= 0 main_~main__t~0) 1 0) main_~__tmp_11~0)) [2019-09-20 15:43:16,058 INFO L193 IcfgInterpreter]: Reachable states at location mainErr13ASSERT_VIOLATIONERROR_FUNCTION satisfy 496#(and (= (ite (<= main_~main__t~0 main_~main__tagbuf_len~0) 1 0) main_~__tmp_50~0) (= ~__tmp_3137_1~0 main_~main____CPAchecker_TMP_0~8) (not (= main_~__VERIFIER_assert__cond~48 0)) (<= 0 (+ main_~main____CPAchecker_TMP_0~9 2147483648)) (= (ite (<= 0 main_~main__t~0) 1 0) main_~__tmp_49~0) (= ~__tmp_3137_0~0 main_~main____CPAchecker_TMP_1~8) (= main_~__VERIFIER_assert__cond~49 0) (not (= 0 main_~main____CPAchecker_TMP_0~9)) (not (= main_~main__tagbuf_len~0 main_~main__t~0)) (<= main_~main____CPAchecker_TMP_0~9 2147483647) (= main_~__VERIFIER_assert__cond~49 main_~__tmp_50~0) (= main_~__VERIFIER_assert__cond~48 main_~__tmp_49~0)) [2019-09-20 15:43:16,058 INFO L193 IcfgInterpreter]: Reachable states at location mainErr6ASSERT_VIOLATIONERROR_FUNCTION satisfy 2585#(and (not (= main_~__VERIFIER_assert__cond~6 0)) (= main_~__tmp_8~0 main_~__VERIFIER_assert__cond~7) (= main_~__tmp_7~0 main_~__VERIFIER_assert__cond~6) (not (= 0 main_~main____CPAchecker_TMP_4~0)) (<= 0 (+ main_~main____CPAchecker_TMP_4~0 2147483648)) (not (= 0 main_~main____CPAchecker_TMP_3~0)) (<= main_~main____CPAchecker_TMP_4~0 2147483647) (or (and (= main_~__tmp_8~0 0) (not (<= main_~main__t~0 (+ main_~main__tagbuf_len~0 1)))) (and (<= main_~main__t~0 (+ main_~main__tagbuf_len~0 1)) (= main_~__tmp_8~0 1))) (not (= main_~__VERIFIER_assert__cond~7 0)) (= main_~main__t~0 (+ main_~main____CPAchecker_TMP_5~0 1)) (= main_~__tmp_9~0 (ite (<= 0 main_~main__t~0) 1 0)) (= main_~__VERIFIER_assert__cond~8 0) (or (and (not (<= 1 main_~main__t~0)) (= main_~__tmp_7~0 0)) (and (<= 1 main_~main__t~0) (= main_~__tmp_7~0 1))) (= main_~__tmp_9~0 main_~__VERIFIER_assert__cond~8) (= main_~main__tagbuf_len~0 main_~main__t~0)) [2019-09-20 15:43:16,058 INFO L193 IcfgInterpreter]: Reachable states at location mainErr14ASSERT_VIOLATIONERROR_FUNCTION satisfy 486#(and (= ~__tmp_3137_1~0 main_~main____CPAchecker_TMP_0~8) (= main_~__VERIFIER_assert__cond~50 0) (<= 0 (+ main_~main____CPAchecker_TMP_0~9 2147483648)) (= main_~__VERIFIER_assert__cond~50 main_~__tmp_51~0) (= ~__tmp_3137_0~0 main_~main____CPAchecker_TMP_1~8) (= (ite (<= 0 main_~main__t~0) 1 0) main_~__tmp_51~0) (not (= main_~main__tagbuf_len~0 main_~main__t~0)) (= 0 main_~main____CPAchecker_TMP_0~9) (<= main_~main____CPAchecker_TMP_0~9 2147483647)) [2019-09-20 15:43:16,059 INFO L193 IcfgInterpreter]: Reachable states at location mainErr7ASSERT_VIOLATIONERROR_FUNCTION satisfy 2398#(and (not (= main_~__VERIFIER_assert__cond~6 0)) (= main_~__tmp_8~0 main_~__VERIFIER_assert__cond~7) (= main_~__tmp_7~0 main_~__VERIFIER_assert__cond~6) (not (= 0 main_~main____CPAchecker_TMP_4~0)) (<= 0 (+ main_~main____CPAchecker_TMP_4~0 2147483648)) (not (= 0 main_~main____CPAchecker_TMP_3~0)) (<= main_~main____CPAchecker_TMP_4~0 2147483647) (= main_~__VERIFIER_assert__cond~9 main_~__tmp_10~0) (not (= main_~__VERIFIER_assert__cond~7 0)) (or (and (not (<= 0 main_~main____CPAchecker_TMP_5~0)) (= main_~__tmp_7~0 0)) (and (<= 0 main_~main____CPAchecker_TMP_5~0) (= main_~__tmp_7~0 1))) (= main_~__tmp_9~0 (ite (<= 0 main_~main__t~0) 1 0)) (or (and (not (<= main_~main____CPAchecker_TMP_5~0 main_~main__tagbuf_len~0)) (= main_~__tmp_8~0 0)) (and (<= main_~main____CPAchecker_TMP_5~0 main_~main__tagbuf_len~0) (= main_~__tmp_8~0 1))) (= (+ main_~main____CPAchecker_TMP_5~0 1) main_~main__t~0) (not (= main_~__VERIFIER_assert__cond~8 0)) (= main_~__VERIFIER_assert__cond~9 0) (= (ite (<= main_~main__t~0 main_~main__tagbuf_len~0) 1 0) main_~__tmp_10~0) (= main_~__tmp_9~0 main_~__VERIFIER_assert__cond~8) (= main_~main__tagbuf_len~0 main_~main__t~0)) [2019-09-20 15:43:16,059 INFO L193 IcfgInterpreter]: Reachable states at location mainErr9ASSERT_VIOLATIONERROR_FUNCTION satisfy 2628#(and (= main_~__VERIFIER_assert__cond~10 main_~__tmp_11~0) (= main_~__VERIFIER_assert__cond~11 main_~__tmp_12~0) (= (ite (<= main_~main__t~0 main_~main__tagbuf_len~0) 1 0) main_~__tmp_12~0) (= (ite (<= 0 main_~main__t~0) 1 0) main_~__tmp_11~0) (not (= main_~__VERIFIER_assert__cond~10 0)) (= main_~__VERIFIER_assert__cond~11 0)) [2019-09-20 15:43:16,059 INFO L193 IcfgInterpreter]: Reachable states at location mainErr12ASSERT_VIOLATIONERROR_FUNCTION satisfy 491#(and (= ~__tmp_3137_1~0 main_~main____CPAchecker_TMP_0~8) (<= 0 (+ main_~main____CPAchecker_TMP_0~9 2147483648)) (= (ite (<= 0 main_~main__t~0) 1 0) main_~__tmp_49~0) (= ~__tmp_3137_0~0 main_~main____CPAchecker_TMP_1~8) (not (= 0 main_~main____CPAchecker_TMP_0~9)) (not (= main_~main__tagbuf_len~0 main_~main__t~0)) (<= main_~main____CPAchecker_TMP_0~9 2147483647) (= main_~__VERIFIER_assert__cond~48 0) (= main_~__VERIFIER_assert__cond~48 main_~__tmp_49~0)) [2019-09-20 15:43:16,060 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 468#(and (= main_~__tmp_1~0 (ite (<= 0 main_~main__t~0) 1 0)) (= main_~__VERIFIER_assert__cond~0 0) (= main_~__tmp_1~0 main_~__VERIFIER_assert__cond~0) (= main_~main__tagbuf_len~0 main_~main__t~0)) [2019-09-20 15:43:16,060 INFO L193 IcfgInterpreter]: Reachable states at location mainErr10ASSERT_VIOLATIONERROR_FUNCTION satisfy 2864#(and (not (= 0 main_~main____CPAchecker_TMP_6~0)) (<= main_~main____CPAchecker_TMP_6~0 2147483647) (= main_~__VERIFIER_assert__cond~12 0) (= 0 main_~main____CPAchecker_TMP_3~0) (= main_~__VERIFIER_assert__cond~12 main_~__tmp_13~0) (= (ite (<= 0 main_~main__t~0) 1 0) main_~__tmp_13~0) (<= 0 (+ main_~main____CPAchecker_TMP_6~0 2147483648))) [2019-09-20 15:43:16,060 INFO L193 IcfgInterpreter]: Reachable states at location mainErr15ASSERT_VIOLATIONERROR_FUNCTION satisfy 482#(and (= ~__tmp_3137_1~0 main_~main____CPAchecker_TMP_0~8) (<= 0 (+ main_~main____CPAchecker_TMP_0~9 2147483648)) (= (ite (<= main_~main__t~0 main_~main__tagbuf_len~0) 1 0) main_~__tmp_52~0) (= main_~__VERIFIER_assert__cond~50 main_~__tmp_51~0) (= ~__tmp_3137_0~0 main_~main____CPAchecker_TMP_1~8) (= (ite (<= 0 main_~main__t~0) 1 0) main_~__tmp_51~0) (not (= main_~main__tagbuf_len~0 main_~main__t~0)) (not (= main_~__VERIFIER_assert__cond~50 0)) (= 0 main_~main____CPAchecker_TMP_0~9) (<= main_~main____CPAchecker_TMP_0~9 2147483647) (= main_~__VERIFIER_assert__cond~51 0) (= main_~__VERIFIER_assert__cond~51 main_~__tmp_52~0)) [2019-09-20 15:43:16,108 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 15:43:16,109 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 15:43:16,111 INFO L168 Benchmark]: Toolchain (without parser) took 11516.20 ms. Allocated memory was 139.5 MB in the beginning and 558.9 MB in the end (delta: 419.4 MB). Free memory was 86.7 MB in the beginning and 475.2 MB in the end (delta: -388.5 MB). Peak memory consumption was 31.0 MB. Max. memory is 7.1 GB. [2019-09-20 15:43:16,112 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 139.5 MB. Free memory was 105.5 MB in the beginning and 105.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 15:43:16,113 INFO L168 Benchmark]: CACSL2BoogieTranslator took 631.38 ms. Allocated memory was 139.5 MB in the beginning and 199.8 MB in the end (delta: 60.3 MB). Free memory was 86.5 MB in the beginning and 172.6 MB in the end (delta: -86.1 MB). Peak memory consumption was 25.8 MB. Max. memory is 7.1 GB. [2019-09-20 15:43:16,115 INFO L168 Benchmark]: Boogie Preprocessor took 79.05 ms. Allocated memory is still 199.8 MB. Free memory was 172.6 MB in the beginning and 169.5 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 7.1 GB. [2019-09-20 15:43:16,118 INFO L168 Benchmark]: RCFGBuilder took 788.43 ms. Allocated memory is still 199.8 MB. Free memory was 169.5 MB in the beginning and 120.2 MB in the end (delta: 49.3 MB). Peak memory consumption was 49.3 MB. Max. memory is 7.1 GB. [2019-09-20 15:43:16,120 INFO L168 Benchmark]: Sifa took 10012.91 ms. Allocated memory was 199.8 MB in the beginning and 558.9 MB in the end (delta: 359.1 MB). Free memory was 120.2 MB in the beginning and 475.2 MB in the end (delta: -355.0 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2019-09-20 15:43:16,128 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 139.5 MB. Free memory was 105.5 MB in the beginning and 105.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 631.38 ms. Allocated memory was 139.5 MB in the beginning and 199.8 MB in the end (delta: 60.3 MB). Free memory was 86.5 MB in the beginning and 172.6 MB in the end (delta: -86.1 MB). Peak memory consumption was 25.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 79.05 ms. Allocated memory is still 199.8 MB. Free memory was 172.6 MB in the beginning and 169.5 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 788.43 ms. Allocated memory is still 199.8 MB. Free memory was 169.5 MB in the beginning and 120.2 MB in the end (delta: 49.3 MB). Peak memory consumption was 49.3 MB. Max. memory is 7.1 GB. * Sifa took 10012.91 ms. Allocated memory was 199.8 MB in the beginning and 558.9 MB in the end (delta: 359.1 MB). Free memory was 120.2 MB in the beginning and 475.2 MB in the end (delta: -355.0 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 9935, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 1434, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 1285, TOOLS_POST_TIME[ms]: 1132, TOOLS_POST_CALL_APPLICATIONS: 2, TOOLS_POST_CALL_TIME[ms]: 23, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 2, TOOLS_QUANTIFIERELIM_APPLICATIONS: 1288, TOOLS_QUANTIFIERELIM_TIME[ms]: 874, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 15, FLUID_QUERY_TIME[ms]: 33, FLUID_QUERIES: 1536, FLUID_YES_ANSWERS: 6, DOMAIN_JOIN_APPLICATIONS: 509, DOMAIN_JOIN_TIME[ms]: 6545, DOMAIN_ALPHA_APPLICATIONS: 6, DOMAIN_ALPHA_TIME[ms]: 110, DOMAIN_WIDEN_APPLICATIONS: 37, DOMAIN_WIDEN_TIME[ms]: 1190, DOMAIN_ISSUBSETEQ_APPLICATIONS: 102, DOMAIN_ISSUBSETEQ_TIME[ms]: 175, DOMAIN_ISBOTTOM_APPLICATIONS: 145, DOMAIN_ISBOTTOM_TIME[ms]: 325, LOOP_SUMMARIZER_APPLICATIONS: 65, LOOP_SUMMARIZER_CACHE_MISSES: 65, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 5447, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 5445, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 102, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 1, CALL_SUMMARIZER_OVERALL_TIME[ms]: 62, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 61, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 16, REGEX_TO_DAG_TIME[ms]: 10, DAG_COMPRESSION_TIME[ms]: 208, DAG_COMPRESSION_PROCESSED_NODES: 13433, DAG_COMPRESSION_RETAINED_NODES: 816 - UnprovableResult [Line: 264]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 2845#(and (not (= 0 main_~main____CPAchecker_TMP_6~0)) (<= main_~main____CPAchecker_TMP_6~0 2147483647) (= main_~__VERIFIER_assert__cond~13 main_~__tmp_14~0) (not (= main_~__VERIFIER_assert__cond~12 0)) (= 0 main_~main____CPAchecker_TMP_3~0) (= (ite (<= main_~main__t~0 main_~main__tagbuf_len~0) 1 0) main_~__tmp_14~0) (= main_~__VERIFIER_assert__cond~13 0) (= main_~__VERIFIER_assert__cond~12 main_~__tmp_13~0) (= (ite (<= 0 main_~main__t~0) 1 0) main_~__tmp_13~0) (<= 0 (+ main_~main____CPAchecker_TMP_6~0 2147483648))). Possible FailurePath: - PositiveResult [Line: 43]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - UnprovableResult [Line: 100]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 2505#(= main_~__VERIFIER_assert__cond~4 0). Possible FailurePath: - UnprovableResult [Line: 152]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 2706#(and (not (= main_~__VERIFIER_assert__cond~6 0)) (= main_~__tmp_8~0 main_~__VERIFIER_assert__cond~7) (= main_~__tmp_7~0 main_~__VERIFIER_assert__cond~6) (not (= 0 main_~main____CPAchecker_TMP_4~0)) (= main_~__tmp_8~0 (ite (<= main_~main__t~0 main_~main__tagbuf_len~0) 1 0)) (<= 0 (+ main_~main____CPAchecker_TMP_4~0 2147483648)) (not (= 0 main_~main____CPAchecker_TMP_3~0)) (<= main_~main____CPAchecker_TMP_4~0 2147483647) (= main_~__tmp_7~0 (ite (<= 0 main_~main__t~0) 1 0)) (= main_~__VERIFIER_assert__cond~7 0)). Possible FailurePath: - UnprovableResult [Line: 140]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 2825#(and (= main_~__tmp_7~0 main_~__VERIFIER_assert__cond~6) (not (= 0 main_~main____CPAchecker_TMP_4~0)) (<= 0 (+ main_~main____CPAchecker_TMP_4~0 2147483648)) (not (= 0 main_~main____CPAchecker_TMP_3~0)) (<= main_~main____CPAchecker_TMP_4~0 2147483647) (= main_~__tmp_7~0 (ite (<= 0 main_~main__t~0) 1 0)) (= main_~__VERIFIER_assert__cond~6 0)). Possible FailurePath: - UnprovableResult [Line: 112]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 2317#(= main_~__VERIFIER_assert__cond~5 0). Possible FailurePath: - UnprovableResult [Line: 202]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 2748#(and (= main_~__VERIFIER_assert__cond~10 main_~__tmp_11~0) (= main_~__VERIFIER_assert__cond~10 0) (= (ite (<= 0 main_~main__t~0) 1 0) main_~__tmp_11~0)). Possible FailurePath: - UnprovableResult [Line: 890]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 496#(and (= (ite (<= main_~main__t~0 main_~main__tagbuf_len~0) 1 0) main_~__tmp_50~0) (= ~__tmp_3137_1~0 main_~main____CPAchecker_TMP_0~8) (not (= main_~__VERIFIER_assert__cond~48 0)) (<= 0 (+ main_~main____CPAchecker_TMP_0~9 2147483648)) (= (ite (<= 0 main_~main__t~0) 1 0) main_~__tmp_49~0) (= ~__tmp_3137_0~0 main_~main____CPAchecker_TMP_1~8) (= main_~__VERIFIER_assert__cond~49 0) (not (= 0 main_~main____CPAchecker_TMP_0~9)) (not (= main_~main__tagbuf_len~0 main_~main__t~0)) (<= main_~main____CPAchecker_TMP_0~9 2147483647) (= main_~__VERIFIER_assert__cond~49 main_~__tmp_50~0) (= main_~__VERIFIER_assert__cond~48 main_~__tmp_49~0)). Possible FailurePath: - PositiveResult [Line: 168]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - UnprovableResult [Line: 914]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 486#(and (= ~__tmp_3137_1~0 main_~main____CPAchecker_TMP_0~8) (= main_~__VERIFIER_assert__cond~50 0) (<= 0 (+ main_~main____CPAchecker_TMP_0~9 2147483648)) (= main_~__VERIFIER_assert__cond~50 main_~__tmp_51~0) (= ~__tmp_3137_0~0 main_~main____CPAchecker_TMP_1~8) (= (ite (<= 0 main_~main__t~0) 1 0) main_~__tmp_51~0) (not (= main_~main__tagbuf_len~0 main_~main__t~0)) (= 0 main_~main____CPAchecker_TMP_0~9) (<= main_~main____CPAchecker_TMP_0~9 2147483647)). Possible FailurePath: - PositiveResult [Line: 180]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - UnprovableResult [Line: 214]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 2628#(and (= main_~__VERIFIER_assert__cond~10 main_~__tmp_11~0) (= main_~__VERIFIER_assert__cond~11 main_~__tmp_12~0) (= (ite (<= main_~main__t~0 main_~main__tagbuf_len~0) 1 0) main_~__tmp_12~0) (= (ite (<= 0 main_~main__t~0) 1 0) main_~__tmp_11~0) (not (= main_~__VERIFIER_assert__cond~10 0)) (= main_~__VERIFIER_assert__cond~11 0)). Possible FailurePath: - UnprovableResult [Line: 878]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 491#(and (= ~__tmp_3137_1~0 main_~main____CPAchecker_TMP_0~8) (<= 0 (+ main_~main____CPAchecker_TMP_0~9 2147483648)) (= (ite (<= 0 main_~main__t~0) 1 0) main_~__tmp_49~0) (= ~__tmp_3137_0~0 main_~main____CPAchecker_TMP_1~8) (not (= 0 main_~main____CPAchecker_TMP_0~9)) (not (= main_~main__tagbuf_len~0 main_~main__t~0)) (<= main_~main____CPAchecker_TMP_0~9 2147483647) (= main_~__VERIFIER_assert__cond~48 0) (= main_~__VERIFIER_assert__cond~48 main_~__tmp_49~0)). Possible FailurePath: - UnprovableResult [Line: 31]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 468#(and (= main_~__tmp_1~0 (ite (<= 0 main_~main__t~0) 1 0)) (= main_~__VERIFIER_assert__cond~0 0) (= main_~__tmp_1~0 main_~__VERIFIER_assert__cond~0) (= main_~main__tagbuf_len~0 main_~main__t~0)). Possible FailurePath: - UnprovableResult [Line: 252]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 2864#(and (not (= 0 main_~main____CPAchecker_TMP_6~0)) (<= main_~main____CPAchecker_TMP_6~0 2147483647) (= main_~__VERIFIER_assert__cond~12 0) (= 0 main_~main____CPAchecker_TMP_3~0) (= main_~__VERIFIER_assert__cond~12 main_~__tmp_13~0) (= (ite (<= 0 main_~main__t~0) 1 0) main_~__tmp_13~0) (<= 0 (+ main_~main____CPAchecker_TMP_6~0 2147483648))). Possible FailurePath: - UnprovableResult [Line: 926]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 482#(and (= ~__tmp_3137_1~0 main_~main____CPAchecker_TMP_0~8) (<= 0 (+ main_~main____CPAchecker_TMP_0~9 2147483648)) (= (ite (<= main_~main__t~0 main_~main__tagbuf_len~0) 1 0) main_~__tmp_52~0) (= main_~__VERIFIER_assert__cond~50 main_~__tmp_51~0) (= ~__tmp_3137_0~0 main_~main____CPAchecker_TMP_1~8) (= (ite (<= 0 main_~main__t~0) 1 0) main_~__tmp_51~0) (not (= main_~main__tagbuf_len~0 main_~main__t~0)) (not (= main_~__VERIFIER_assert__cond~50 0)) (= 0 main_~main____CPAchecker_TMP_0~9) (<= main_~main____CPAchecker_TMP_0~9 2147483647) (= main_~__VERIFIER_assert__cond~51 0) (= main_~__VERIFIER_assert__cond~51 main_~__tmp_52~0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...