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 -i ../../../trunk/examples/svcomp/seq-mthreaded/pals_lcr-var-start-time.6.2.ufo.BOUNDED-12.pals.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-584d7b9 [2019-08-31 19:38:36,680 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-31 19:38:36,682 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-31 19:38:36,693 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-31 19:38:36,694 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-31 19:38:36,695 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-31 19:38:36,696 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-31 19:38:36,698 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-31 19:38:36,699 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-31 19:38:36,700 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-31 19:38:36,701 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-08-31 19:38:36,702 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-31 19:38:36,703 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-31 19:38:36,704 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-31 19:38:36,704 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-31 19:38:36,706 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-31 19:38:36,706 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-31 19:38:36,707 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-31 19:38:36,709 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-31 19:38:36,712 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-31 19:38:36,714 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-31 19:38:36,718 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-31 19:38:36,719 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-31 19:38:36,721 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-31 19:38:36,725 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-31 19:38:36,730 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-31 19:38:36,731 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-31 19:38:36,732 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-31 19:38:36,735 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-31 19:38:36,736 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-31 19:38:36,737 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-31 19:38:36,737 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-31 19:38:36,737 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-31 19:38:36,738 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-31 19:38:36,741 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-31 19:38:36,741 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-31 19:38:36,744 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 [2019-08-31 19:38:36,770 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-31 19:38:36,770 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-31 19:38:36,772 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-31 19:38:36,772 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-31 19:38:36,772 INFO L138 SettingsManager]: * Use SBE=true [2019-08-31 19:38:36,773 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-31 19:38:36,773 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-31 19:38:36,773 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-31 19:38:36,774 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-31 19:38:36,774 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-31 19:38:36,775 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-31 19:38:36,775 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-31 19:38:36,775 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-31 19:38:36,776 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-31 19:38:36,776 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-31 19:38:36,776 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-31 19:38:36,776 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-31 19:38:36,776 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-31 19:38:36,777 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-31 19:38:36,777 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-31 19:38:36,777 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-31 19:38:36,777 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-31 19:38:36,778 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-31 19:38:36,778 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-31 19:38:36,778 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-31 19:38:36,778 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-31 19:38:36,778 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-31 19:38:36,779 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-31 19:38:36,779 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-31 19:38:36,830 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-31 19:38:36,849 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-31 19:38:36,852 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-31 19:38:36,854 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-31 19:38:36,854 INFO L275 PluginConnector]: CDTParser initialized [2019-08-31 19:38:36,855 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/pals_lcr-var-start-time.6.2.ufo.BOUNDED-12.pals.c [2019-08-31 19:38:36,909 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/06c930ee8/bc41ecd5bd3c4376ad1686e6dade4b49/FLAG8fab3f034 [2019-08-31 19:38:37,417 INFO L306 CDTParser]: Found 1 translation units. [2019-08-31 19:38:37,419 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded/pals_lcr-var-start-time.6.2.ufo.BOUNDED-12.pals.c [2019-08-31 19:38:37,432 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/06c930ee8/bc41ecd5bd3c4376ad1686e6dade4b49/FLAG8fab3f034 [2019-08-31 19:38:37,723 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/06c930ee8/bc41ecd5bd3c4376ad1686e6dade4b49 [2019-08-31 19:38:37,732 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-31 19:38:37,733 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-31 19:38:37,734 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-31 19:38:37,734 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-31 19:38:37,737 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-31 19:38:37,738 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 07:38:37" (1/1) ... [2019-08-31 19:38:37,741 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62313dad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:38:37, skipping insertion in model container [2019-08-31 19:38:37,741 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 07:38:37" (1/1) ... [2019-08-31 19:38:37,749 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-31 19:38:37,805 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-31 19:38:38,201 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-31 19:38:38,213 INFO L188 MainTranslator]: Completed pre-run [2019-08-31 19:38:38,272 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-31 19:38:38,292 INFO L192 MainTranslator]: Completed translation [2019-08-31 19:38:38,292 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:38:38 WrapperNode [2019-08-31 19:38:38,292 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-31 19:38:38,293 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-31 19:38:38,293 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-31 19:38:38,293 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-31 19:38:38,304 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:38:38" (1/1) ... [2019-08-31 19:38:38,304 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:38:38" (1/1) ... [2019-08-31 19:38:38,315 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:38:38" (1/1) ... [2019-08-31 19:38:38,315 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:38:38" (1/1) ... [2019-08-31 19:38:38,331 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:38:38" (1/1) ... [2019-08-31 19:38:38,346 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:38:38" (1/1) ... [2019-08-31 19:38:38,350 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:38:38" (1/1) ... [2019-08-31 19:38:38,355 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-31 19:38:38,356 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-31 19:38:38,356 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-31 19:38:38,356 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-31 19:38:38,357 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:38:38" (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 [2019-08-31 19:38:38,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-31 19:38:38,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-31 19:38:38,421 INFO L138 BoogieDeclarations]: Found implementation of procedure node1 [2019-08-31 19:38:38,421 INFO L138 BoogieDeclarations]: Found implementation of procedure node2 [2019-08-31 19:38:38,421 INFO L138 BoogieDeclarations]: Found implementation of procedure node3 [2019-08-31 19:38:38,421 INFO L138 BoogieDeclarations]: Found implementation of procedure node4 [2019-08-31 19:38:38,421 INFO L138 BoogieDeclarations]: Found implementation of procedure node5 [2019-08-31 19:38:38,422 INFO L138 BoogieDeclarations]: Found implementation of procedure node6 [2019-08-31 19:38:38,422 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2019-08-31 19:38:38,422 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2019-08-31 19:38:38,422 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-31 19:38:38,422 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2019-08-31 19:38:38,423 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-31 19:38:38,423 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-08-31 19:38:38,423 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-08-31 19:38:38,423 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-08-31 19:38:38,423 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-31 19:38:38,423 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-08-31 19:38:38,424 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-08-31 19:38:38,424 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-08-31 19:38:38,424 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-08-31 19:38:38,424 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-08-31 19:38:38,424 INFO L130 BoogieDeclarations]: Found specification of procedure node4 [2019-08-31 19:38:38,424 INFO L130 BoogieDeclarations]: Found specification of procedure node5 [2019-08-31 19:38:38,425 INFO L130 BoogieDeclarations]: Found specification of procedure node6 [2019-08-31 19:38:38,425 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-08-31 19:38:38,425 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-08-31 19:38:38,425 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-31 19:38:38,425 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-31 19:38:38,425 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-31 19:38:39,261 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-31 19:38:39,262 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-31 19:38:39,263 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 07:38:39 BoogieIcfgContainer [2019-08-31 19:38:39,263 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-31 19:38:39,263 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-08-31 19:38:39,264 INFO L271 PluginConnector]: Initializing Sifa... [2019-08-31 19:38:39,264 INFO L275 PluginConnector]: Sifa initialized [2019-08-31 19:38:39,265 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 07:38:39" (1/1) ... [2019-08-31 19:38:39,298 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-31 19:38:39,298 INFO L169 IcfgInterpreter]: Building call graph [2019-08-31 19:38:39,315 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-31 19:38:39,324 INFO L179 IcfgInterpreter]: Starting interpretation [2019-08-31 19:38:39,326 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-08-31 19:38:39,480 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 19:38:39,481 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 19:38:39,484 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 19:38:39,485 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 19:38:39,486 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 19:38:39,487 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 19:38:39,489 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 19:38:39,491 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 19:38:39,493 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 19:38:39,496 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 19:38:39,502 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 19:38:39,503 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 19:38:39,507 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 19:38:39,508 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 19:38:39,510 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 19:38:39,532 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 30 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 31 [2019-08-31 19:38:39,534 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-31 19:38:39,854 WARN L188 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2019-08-31 19:38:39,855 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 19:38:39,870 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-31 19:38:39,871 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-31 19:38:39,872 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-31 19:38:39,872 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-31 19:38:39,873 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-31 19:38:39,876 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 15 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 31 [2019-08-31 19:38:39,877 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-31 19:38:40,139 WARN L188 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2019-08-31 19:38:40,141 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 19:38:40,141 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-31 19:38:40,142 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:193, output treesize:211 [2019-08-31 19:38:40,186 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 299 for LOIs [2019-08-31 19:38:41,638 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:38:41,640 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:38:41,643 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:38:41,644 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:38:41,646 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:38:41,649 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:38:41,652 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:38:41,656 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:38:41,658 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:38:41,659 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:38:41,660 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:38:41,661 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:38:41,662 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:38:41,664 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:38:41,665 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:38:41,666 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:38:41,667 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:38:41,669 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:38:41,672 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:38:41,673 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:38:41,674 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:38:41,678 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:38:41,680 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:38:41,682 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:38:41,684 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:38:41,687 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:38:41,689 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:38:41,690 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:38:41,692 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:38:41,693 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:38:41,695 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:38:41,696 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:38:41,698 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:38:41,700 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:38:41,702 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:38:41,704 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:38:41,707 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:38:41,708 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:38:41,710 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:38:41,712 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:38:41,721 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:38:41,798 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:38:41,798 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:38:41,800 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:38:41,802 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:38:41,803 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:38:41,804 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:38:41,809 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:38:41,810 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:38:41,810 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:38:41,981 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:38:41,982 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:38:41,983 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:38:41,984 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:38:41,985 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:38:41,986 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:38:41,987 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:38:41,994 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:38:41,995 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:38:41,996 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:38:41,998 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:38:41,999 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:38:42,004 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:38:42,005 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:38:42,006 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:38:42,008 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:38:42,194 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:38:42,195 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:38:42,195 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:38:42,196 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:38:42,197 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:38:42,197 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:38:42,198 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:38:42,202 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:38:42,203 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:38:42,203 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:38:42,204 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:38:42,205 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:38:42,221 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:38:42,222 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:38:42,222 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:38:42,223 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:38:42,224 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:38:42,225 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:38:42,225 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:38:42,226 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:38:42,227 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:38:42,231 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:38:42,232 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:38:42,233 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:38:42,233 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:38:42,234 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:38:42,234 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:38:42,235 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:38:42,251 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:38:42,251 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:38:42,252 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:38:42,253 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:38:42,254 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:38:42,254 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:38:42,255 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:38:42,256 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:38:42,257 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:38:42,261 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:38:42,262 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:38:42,263 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:38:42,264 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:38:42,264 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:38:42,265 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:38:42,266 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:38:42,266 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:38:42,267 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:38:42,271 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-08-31 19:38:42,274 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-08-31 19:38:42,295 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:38:42,296 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:38:42,296 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:38:42,297 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:38:42,298 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:38:42,298 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:38:42,299 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:38:42,300 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:38:42,300 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:38:42,304 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:38:42,305 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:38:42,306 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:38:42,306 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:38:42,307 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:38:42,308 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:38:42,309 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:38:42,309 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:38:42,310 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:38:42,401 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:38:42,403 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 64 terms [2019-08-31 19:38:42,414 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:38:42,495 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-08-31 19:38:42,498 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-08-31 19:38:42,580 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 64 terms [2019-08-31 19:38:42,581 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:38:42,582 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 19:38:42,588 INFO L199 IcfgInterpreter]: Interpreting procedure assert with input of size 94 for LOIs [2019-08-31 19:38:42,643 INFO L183 IcfgInterpreter]: Interpretation finished [2019-08-31 19:38:42,643 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-31 19:38:42,645 INFO L193 IcfgInterpreter]: Reachable states at location assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 1776#(and (<= ~mode4~0 1) (<= ~mode3~0 1) (<= 0 ~mode6~0) (<= assert_~arg 1) (<= 0 ~mode3~0) (<= |assert_#in~arg| 1) (<= ~mode6~0 1) (<= 0 |assert_#in~arg|) (<= 0 ~mode5~0) (<= ~mode5~0 1) (<= 0 ~mode4~0) (<= 0 assert_~arg)) [2019-08-31 19:38:42,661 INFO L103 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-08-31 19:38:42,661 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-08-31 19:38:42,663 INFO L168 Benchmark]: Toolchain (without parser) took 4929.90 ms. Allocated memory was 134.2 MB in the beginning and 320.9 MB in the end (delta: 186.6 MB). Free memory was 88.1 MB in the beginning and 113.4 MB in the end (delta: -25.3 MB). Peak memory consumption was 161.3 MB. Max. memory is 7.1 GB. [2019-08-31 19:38:42,667 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 134.2 MB. Free memory was 107.4 MB in the beginning and 107.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-31 19:38:42,669 INFO L168 Benchmark]: CACSL2BoogieTranslator took 559.01 ms. Allocated memory was 134.2 MB in the beginning and 199.8 MB in the end (delta: 65.5 MB). Free memory was 87.7 MB in the beginning and 169.3 MB in the end (delta: -81.6 MB). Peak memory consumption was 25.2 MB. Max. memory is 7.1 GB. [2019-08-31 19:38:42,670 INFO L168 Benchmark]: Boogie Preprocessor took 62.28 ms. Allocated memory is still 199.8 MB. Free memory was 169.3 MB in the beginning and 166.3 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. [2019-08-31 19:38:42,675 INFO L168 Benchmark]: RCFGBuilder took 907.31 ms. Allocated memory is still 199.8 MB. Free memory was 165.7 MB in the beginning and 110.3 MB in the end (delta: 55.4 MB). Peak memory consumption was 55.4 MB. Max. memory is 7.1 GB. [2019-08-31 19:38:42,677 INFO L168 Benchmark]: Sifa took 3397.85 ms. Allocated memory was 199.8 MB in the beginning and 320.9 MB in the end (delta: 121.1 MB). Free memory was 110.3 MB in the beginning and 113.4 MB in the end (delta: -3.1 MB). Peak memory consumption was 118.0 MB. Max. memory is 7.1 GB. [2019-08-31 19:38:42,687 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 134.2 MB. Free memory was 107.4 MB in the beginning and 107.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 559.01 ms. Allocated memory was 134.2 MB in the beginning and 199.8 MB in the end (delta: 65.5 MB). Free memory was 87.7 MB in the beginning and 169.3 MB in the end (delta: -81.6 MB). Peak memory consumption was 25.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 62.28 ms. Allocated memory is still 199.8 MB. Free memory was 169.3 MB in the beginning and 166.3 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 907.31 ms. Allocated memory is still 199.8 MB. Free memory was 165.7 MB in the beginning and 110.3 MB in the end (delta: 55.4 MB). Peak memory consumption was 55.4 MB. Max. memory is 7.1 GB. * Sifa took 3397.85 ms. Allocated memory was 199.8 MB in the beginning and 320.9 MB in the end (delta: 121.1 MB). Free memory was 110.3 MB in the beginning and 113.4 MB in the end (delta: -3.1 MB). Peak memory consumption was 118.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions 3.3s OVERALL_TIME, 3 ICFG_INTERPRETER_ENTERED_PROCEDURES, 272 DAG_INTERPRETER_EARLY_EXIT_QUERIES, 0 DAG_INTERPRETER_EARLY_EXITS, 252 TOOLS_POST_APPLICATIONS, 1.0s TOOLS_POST_TIME, 19 TOOLS_POST_CALL_APPLICATIONS, 0.2s TOOLS_POST_CALL_TIME, 17 TOOLS_POST_RETURN_APPLICATIONS, 0.3s TOOLS_POST_RETURN_TIME, 1.5s TOOLS_QUANTIFIERELIM_TIME, 0.0s FLUID_QUERY_TIME, 273 FLUID_QUERIES, 19 FLUID_YES_ANSWERS, 109 DOMAIN_JOIN_APPLICATIONS, 1.3s DOMAIN_JOIN_TIME, 19 DOMAIN_ALPHA_APPLICATIONS, 0.2s DOMAIN_ALPHA_TIME, 0 DOMAIN_WIDEN_APPLICATIONS, 0.0s DOMAIN_WIDEN_TIME, 1 DOMAIN_ISSUBSETEQ_APPLICATIONS, 0.0s DOMAIN_ISSUBSETEQ_TIME, 97 DOMAIN_ISBOTTOM_APPLICATIONS, 0.1s DOMAIN_ISBOTTOM_TIME, 1 LOOP_SUMMARIZER_APPLICATIONS, 1 LOOP_SUMMARIZER_CACHE_MISSES, 0.2s LOOP_SUMMARIZER_OVERALL_TIME, 0.2s LOOP_SUMMARIZER_NEW_COMPUTATION_TIME, 1 LOOP_SUMMARIZER_FIXPOINT_ITERATIONS, 17 CALL_SUMMARIZER_APPLICATIONS, 10 CALL_SUMMARIZER_CACHE_MISSES, 2.4s CALL_SUMMARIZER_OVERALL_TIME, 2.4s CALL_SUMMARIZER_NEW_COMPUTATION_TIME, 0.0s PROCEDURE_GRAPH_BUILDER_TIME, 0.0s PATH_EXPR_TIME, 0.0s REGEX_TO_DAG_TIME, 0.0s DAG_COMPRESSION_TIME, 634 DAG_COMPRESSION_PROCESSED_NODES, 296 DAG_COMPRESSION_RETAINED_NODES - UnprovableResult [Line: 605]: 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 1776#(and (<= ~mode4~0 1) (<= ~mode3~0 1) (<= 0 ~mode6~0) (<= assert_~arg 1) (<= 0 ~mode3~0) (<= |assert_#in~arg| 1) (<= ~mode6~0 1) (<= 0 |assert_#in~arg|) (<= 0 ~mode5~0) (<= ~mode5~0 1) (<= 0 ~mode4~0) (<= 0 assert_~arg)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...