java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AbstractInterpretationInline.xml -s ../../../trunk/examples/settings/ai/array-bench/reach_32bit_array_compound_exp_cong.epf -i ../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr-var-start-time.6.1.ufo.UNBOUNDED.pals.c_12.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-c78c21b [2018-12-03 20:05:58,806 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-03 20:05:58,808 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-03 20:05:58,825 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-03 20:05:58,825 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-03 20:05:58,828 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-03 20:05:58,832 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-03 20:05:58,835 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-03 20:05:58,838 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-03 20:05:58,846 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-03 20:05:58,847 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-03 20:05:58,848 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-03 20:05:58,849 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-03 20:05:58,855 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-03 20:05:58,858 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-03 20:05:58,859 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-03 20:05:58,860 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-03 20:05:58,864 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-03 20:05:58,866 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-03 20:05:58,870 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-03 20:05:58,872 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-03 20:05:58,874 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-03 20:05:58,878 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-12-03 20:05:58,894 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/array-bench/reach_32bit_array_compound_exp_cong.epf [2018-12-03 20:05:58,916 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-03 20:05:58,917 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-03 20:05:58,918 INFO L131 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2018-12-03 20:05:58,918 INFO L133 SettingsManager]: * Show backtranslation warnings=false [2018-12-03 20:05:58,918 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-03 20:05:58,918 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-03 20:05:58,918 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-03 20:05:58,919 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-03 20:05:58,919 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-03 20:05:58,919 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-03 20:05:58,919 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-03 20:05:58,920 INFO L133 SettingsManager]: * Abstract domain=ArrayDomain [2018-12-03 20:05:58,920 INFO L133 SettingsManager]: * Log string format=TERM [2018-12-03 20:05:58,920 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-03 20:05:58,921 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-03 20:05:58,921 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-03 20:05:58,923 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-03 20:05:58,923 INFO L133 SettingsManager]: * Use SBE=true [2018-12-03 20:05:58,924 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-03 20:05:58,924 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-03 20:05:58,924 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-03 20:05:58,924 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-03 20:05:58,924 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-03 20:05:58,924 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-03 20:05:58,925 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-03 20:05:58,925 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-03 20:05:58,925 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-03 20:05:58,926 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-03 20:05:58,926 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-03 20:05:58,926 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-03 20:05:58,926 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-03 20:05:58,926 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-03 20:05:58,927 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-03 20:05:58,927 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-03 20:05:58,927 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-03 20:05:58,927 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-03 20:05:58,927 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-03 20:05:58,928 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-03 20:05:58,928 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-03 20:05:58,928 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-03 20:05:58,928 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-12-03 20:05:58,975 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-03 20:05:58,989 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-03 20:05:58,994 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-03 20:05:58,996 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-12-03 20:05:58,997 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-12-03 20:05:58,997 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr-var-start-time.6.1.ufo.UNBOUNDED.pals.c_12.bpl [2018-12-03 20:05:58,998 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr-var-start-time.6.1.ufo.UNBOUNDED.pals.c_12.bpl' [2018-12-03 20:05:59,076 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-03 20:05:59,078 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-12-03 20:05:59,079 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-03 20:05:59,079 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-03 20:05:59,079 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-03 20:05:59,095 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "pals_lcr-var-start-time.6.1.ufo.UNBOUNDED.pals.c_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:05:59" (1/1) ... [2018-12-03 20:05:59,116 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "pals_lcr-var-start-time.6.1.ufo.UNBOUNDED.pals.c_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:05:59" (1/1) ... [2018-12-03 20:05:59,133 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-03 20:05:59,134 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-03 20:05:59,134 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-03 20:05:59,134 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-03 20:05:59,148 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "pals_lcr-var-start-time.6.1.ufo.UNBOUNDED.pals.c_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:05:59" (1/1) ... [2018-12-03 20:05:59,148 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "pals_lcr-var-start-time.6.1.ufo.UNBOUNDED.pals.c_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:05:59" (1/1) ... [2018-12-03 20:05:59,153 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "pals_lcr-var-start-time.6.1.ufo.UNBOUNDED.pals.c_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:05:59" (1/1) ... [2018-12-03 20:05:59,160 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "pals_lcr-var-start-time.6.1.ufo.UNBOUNDED.pals.c_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:05:59" (1/1) ... [2018-12-03 20:05:59,182 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "pals_lcr-var-start-time.6.1.ufo.UNBOUNDED.pals.c_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:05:59" (1/1) ... [2018-12-03 20:05:59,185 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "pals_lcr-var-start-time.6.1.ufo.UNBOUNDED.pals.c_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:05:59" (1/1) ... [2018-12-03 20:05:59,195 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "pals_lcr-var-start-time.6.1.ufo.UNBOUNDED.pals.c_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:05:59" (1/1) ... [2018-12-03 20:05:59,201 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-03 20:05:59,204 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-03 20:05:59,204 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-03 20:05:59,205 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-03 20:05:59,206 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "pals_lcr-var-start-time.6.1.ufo.UNBOUNDED.pals.c_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:05:59" (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 [2018-12-03 20:05:59,277 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-03 20:05:59,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-03 20:06:00,027 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-03 20:06:00,028 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-03 20:06:00,028 INFO L202 PluginConnector]: Adding new model pals_lcr-var-start-time.6.1.ufo.UNBOUNDED.pals.c_12.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 08:06:00 BoogieIcfgContainer [2018-12-03 20:06:00,028 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-03 20:06:00,029 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2018-12-03 20:06:00,029 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2018-12-03 20:06:00,029 INFO L276 PluginConnector]: Abstract Interpretation initialized [2018-12-03 20:06:00,030 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "pals_lcr-var-start-time.6.1.ufo.UNBOUNDED.pals.c_12.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 08:06:00" (1/1) ... [2018-12-03 20:06:00,076 INFO L101 FixpointEngine]: Starting fixpoint engine with domain ArrayDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 20:06:02,283 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-03 20:06:02,317 INFO L272 AbstractInterpreter]: Visited 27 different actions 209 times. Merged at 25 different actions 126 times. Never widened. Found 47 fixpoints after 16 different actions. Largest state had 0 variables. [2018-12-03 20:06:02,319 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2018-12-03 20:06:02,320 INFO L168 Benchmark]: Toolchain (without parser) took 3243.36 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 978.5 MB in the end (delta: 475.6 MB). Peak memory consumption was 475.6 MB. Max. memory is 7.1 GB. [2018-12-03 20:06:02,323 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-12-03 20:06:02,324 INFO L168 Benchmark]: Boogie Procedure Inliner took 54.62 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-12-03 20:06:02,324 INFO L168 Benchmark]: Boogie Preprocessor took 70.11 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-12-03 20:06:02,325 INFO L168 Benchmark]: RCFGBuilder took 824.34 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 52.8 MB). Peak memory consumption was 52.8 MB. Max. memory is 7.1 GB. [2018-12-03 20:06:02,327 INFO L168 Benchmark]: Abstract Interpretation took 2290.18 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 978.5 MB in the end (delta: 422.8 MB). Peak memory consumption was 422.8 MB. Max. memory is 7.1 GB. [2018-12-03 20:06:02,332 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 54.62 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 70.11 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 824.34 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 52.8 MB). Peak memory consumption was 52.8 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 2290.18 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 978.5 MB in the end (delta: 422.8 MB). Peak memory consumption was 422.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 541]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L171] ~r1 := 0; [L172] ~p1_old := 0; [L173] ~p1_new := 0; [L174] ~id1 := 0; [L175] ~st1 := 0; [L176] ~mode1 := 0; [L177] ~alive1 := 0; [L178] ~p2_old := 0; [L179] ~p2_new := 0; [L180] ~id2 := 0; [L181] ~st2 := 0; [L182] ~mode2 := 0; [L183] ~alive2 := 0; [L184] ~p3_old := 0; [L185] ~p3_new := 0; [L186] ~id3 := 0; [L187] ~st3 := 0; [L188] ~mode3 := 0; [L189] ~alive3 := 0; [L190] ~p4_old := 0; [L191] ~p4_new := 0; [L192] ~id4 := 0; [L193] ~st4 := 0; [L194] ~mode4 := 0; [L195] ~alive4 := 0; [L196] ~p5_old := 0; [L197] ~p5_new := 0; [L198] ~id5 := 0; [L199] ~st5 := 0; [L200] ~mode5 := 0; [L201] ~alive5 := 0; [L202] ~p6_old := 0; [L203] ~p6_new := 0; [L204] ~id6 := 0; [L205] ~st6 := 0; [L206] ~mode6 := 0; [L207] ~alive6 := 0; [L208] ~nomsg := -1; [L209] ~send1 := 0; [L210] ~send2 := 0; [L211] ~send3 := 0; [L212] ~send4 := 0; [L213] ~send5 := 0; [L214] ~send6 := 0; [L215] havoc main_#res; [L216] havoc main_#t~nondet12, main_#t~nondet13, main_#t~nondet14, main_#t~nondet15, main_#t~nondet16, main_#t~nondet17, main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~nondet21, main_#t~nondet22, main_#t~nondet23, main_#t~nondet24, main_#t~nondet25, main_#t~nondet26, main_#t~nondet27, main_#t~nondet28, main_#t~nondet29, main_#t~nondet30, main_#t~nondet31, main_#t~nondet32, main_#t~nondet33, main_#t~nondet34, main_#t~nondet35, main_#t~nondet36, main_#t~nondet37, main_#t~nondet38, main_#t~nondet39, main_#t~nondet40, main_#t~nondet41, main_#t~nondet42, main_#t~ret43, main_#t~ret44, main_~c1~166, main_~i2~166; [L217] havoc main_~c1~166; [L218] havoc main_~i2~166; [L219] main_~c1~166 := 0; [L220] ~r1 := main_#t~nondet12; [L221] havoc main_#t~nondet12; [L222] assume -128 <= main_#t~nondet13 && main_#t~nondet13 <= 127; [L223] ~id1 := main_#t~nondet13; [L224] havoc main_#t~nondet13; [L225] assume -128 <= main_#t~nondet14 && main_#t~nondet14 <= 127; [L226] ~st1 := main_#t~nondet14; [L227] havoc main_#t~nondet14; [L228] assume -128 <= main_#t~nondet15 && main_#t~nondet15 <= 127; [L229] ~send1 := main_#t~nondet15; [L230] havoc main_#t~nondet15; [L231] ~mode1 := main_#t~nondet16; [L232] havoc main_#t~nondet16; [L233] ~alive1 := main_#t~nondet17; [L234] havoc main_#t~nondet17; [L235] assume -128 <= main_#t~nondet18 && main_#t~nondet18 <= 127; [L236] ~id2 := main_#t~nondet18; [L237] havoc main_#t~nondet18; [L238] assume -128 <= main_#t~nondet19 && main_#t~nondet19 <= 127; [L239] ~st2 := main_#t~nondet19; [L240] havoc main_#t~nondet19; [L241] assume -128 <= main_#t~nondet20 && main_#t~nondet20 <= 127; [L242] ~send2 := main_#t~nondet20; [L243] havoc main_#t~nondet20; [L244] ~mode2 := main_#t~nondet21; [L245] havoc main_#t~nondet21; [L246] ~alive2 := main_#t~nondet22; [L247] havoc main_#t~nondet22; [L248] assume -128 <= main_#t~nondet23 && main_#t~nondet23 <= 127; [L249] ~id3 := main_#t~nondet23; [L250] havoc main_#t~nondet23; [L251] assume -128 <= main_#t~nondet24 && main_#t~nondet24 <= 127; [L252] ~st3 := main_#t~nondet24; [L253] havoc main_#t~nondet24; [L254] assume -128 <= main_#t~nondet25 && main_#t~nondet25 <= 127; [L255] ~send3 := main_#t~nondet25; [L256] havoc main_#t~nondet25; [L257] ~mode3 := main_#t~nondet26; [L258] havoc main_#t~nondet26; [L259] ~alive3 := main_#t~nondet27; [L260] havoc main_#t~nondet27; [L261] assume -128 <= main_#t~nondet28 && main_#t~nondet28 <= 127; [L262] ~id4 := main_#t~nondet28; [L263] havoc main_#t~nondet28; [L264] assume -128 <= main_#t~nondet29 && main_#t~nondet29 <= 127; [L265] ~st4 := main_#t~nondet29; [L266] havoc main_#t~nondet29; [L267] assume -128 <= main_#t~nondet30 && main_#t~nondet30 <= 127; [L268] ~send4 := main_#t~nondet30; [L269] havoc main_#t~nondet30; [L270] ~mode4 := main_#t~nondet31; [L271] havoc main_#t~nondet31; [L272] ~alive4 := main_#t~nondet32; [L273] havoc main_#t~nondet32; [L274] assume -128 <= main_#t~nondet33 && main_#t~nondet33 <= 127; [L275] ~id5 := main_#t~nondet33; [L276] havoc main_#t~nondet33; [L277] assume -128 <= main_#t~nondet34 && main_#t~nondet34 <= 127; [L278] ~st5 := main_#t~nondet34; [L279] havoc main_#t~nondet34; [L280] assume -128 <= main_#t~nondet35 && main_#t~nondet35 <= 127; [L281] ~send5 := main_#t~nondet35; [L282] havoc main_#t~nondet35; [L283] ~mode5 := main_#t~nondet36; [L284] havoc main_#t~nondet36; [L285] ~alive5 := main_#t~nondet37; [L286] havoc main_#t~nondet37; [L287] assume -128 <= main_#t~nondet38 && main_#t~nondet38 <= 127; [L288] ~id6 := main_#t~nondet38; [L289] havoc main_#t~nondet38; [L290] assume -128 <= main_#t~nondet39 && main_#t~nondet39 <= 127; [L291] ~st6 := main_#t~nondet39; [L292] havoc main_#t~nondet39; [L293] assume -128 <= main_#t~nondet40 && main_#t~nondet40 <= 127; [L294] ~send6 := main_#t~nondet40; [L295] havoc main_#t~nondet40; [L296] ~mode6 := main_#t~nondet41; [L297] havoc main_#t~nondet41; [L298] ~alive6 := main_#t~nondet42; [L299] havoc main_#t~nondet42; [L300] havoc init_#res; [L301] havoc init_~tmp~75; [L302] havoc init_~tmp~75; [L303] assume ~r1 % 256 == 0; [L304] assume ~alive1 % 256 + ~alive2 % 256 + ~alive3 % 256 + ~alive4 % 256 + ~alive5 % 256 + ~alive6 % 256 >= 1; [L305] assume ~id1 >= 0; [L306] assume ~st1 == 0; [L307] assume ~send1 == ~id1; [L308] assume ~mode1 % 256 == 0; [L309] assume ~id2 >= 0; [L310] assume ~st2 == 0; [L311] assume ~send2 == ~id2; [L312] assume ~mode2 % 256 == 0; [L313] assume ~id3 >= 0; [L314] assume ~st3 == 0; [L315] assume ~send3 == ~id3; [L316] assume ~mode3 % 256 == 0; [L317] assume ~id4 >= 0; [L318] assume ~st4 == 0; [L319] assume ~send4 == ~id4; [L320] assume ~mode4 % 256 == 0; [L321] assume ~id5 >= 0; [L322] assume ~st5 == 0; [L323] assume ~send5 == ~id5; [L324] assume ~mode5 % 256 == 0; [L325] assume ~id6 >= 0; [L326] assume ~st6 == 0; [L327] assume ~send6 == ~id6; [L328] assume ~mode6 % 256 == 0; [L329] assume ~id1 != ~id2; [L330] assume ~id1 != ~id3; [L331] assume ~id1 != ~id4; [L332] assume ~id1 != ~id5; [L333] assume ~id1 != ~id6; [L334] assume ~id2 != ~id3; [L335] assume ~id2 != ~id4; [L336] assume ~id2 != ~id5; [L337] assume ~id2 != ~id6; [L338] assume ~id3 != ~id4; [L339] assume ~id3 != ~id5; [L340] assume ~id3 != ~id6; [L341] assume ~id4 != ~id5; [L342] assume ~id4 != ~id6; [L343] assume ~id5 != ~id6; [L344] init_~tmp~75 := 1; [L345] init_#res := init_~tmp~75; [L346] main_#t~ret43 := init_#res; [L347] assume -2147483648 <= main_#t~ret43 && main_#t~ret43 <= 2147483647; [L348] main_~i2~166 := main_#t~ret43; [L349] havoc main_#t~ret43; [L350] assume main_~i2~166 != 0; [L351] ~p1_old := ~nomsg; [L352] ~p1_new := ~nomsg; [L353] ~p2_old := ~nomsg; [L354] ~p2_new := ~nomsg; [L355] ~p3_old := ~nomsg; [L356] ~p3_new := ~nomsg; [L357] ~p4_old := ~nomsg; [L358] ~p4_new := ~nomsg; [L359] ~p5_old := ~nomsg; [L360] ~p5_new := ~nomsg; [L361] ~p6_old := ~nomsg; [L362] ~p6_new := ~nomsg; [L363] main_~i2~166 := 0; [L367] assume !false; [L368] havoc node1_#t~ite0, node1_#t~ite1, node1_~m1~7; [L369] havoc node1_~m1~7; [L370] node1_~m1~7 := ~nomsg; [L384] assume !(~mode1 % 256 != 0); [L385] assume !(~alive1 % 256 != 0); [L386] assume !(~send1 != ~id1); [L387] ~mode1 := 1; [L390] havoc node2_#t~ite2, node2_#t~ite3, node2_~m2~20; [L391] havoc node2_~m2~20; [L392] node2_~m2~20 := ~nomsg; [L404] assume !(~mode2 % 256 != 0); [L405] assume ~alive2 % 256 != 0; [L406] assume ~send2 != ~nomsg && ~p2_new == ~nomsg; [L407] node2_#t~ite2 := ~send2; [L408] ~p2_new := (if node2_#t~ite2 % 256 <= 127 then node2_#t~ite2 % 256 else node2_#t~ite2 % 256 - 256); [L409] havoc node2_#t~ite2; [L410] ~mode2 := 1; [L413] havoc node3_#t~ite4, node3_#t~ite5, node3_~m3~31; [L414] havoc node3_~m3~31; [L415] node3_~m3~31 := ~nomsg; [L427] assume !(~mode3 % 256 != 0); [L428] assume !(~alive3 % 256 != 0); [L429] assume !(~send3 != ~id3); [L430] ~mode3 := 1; [L433] havoc node4_#t~ite6, node4_#t~ite7, node4_~m4~42; [L434] havoc node4_~m4~42; [L435] node4_~m4~42 := ~nomsg; [L447] assume !(~mode4 % 256 != 0); [L448] assume !(~alive4 % 256 != 0); [L449] assume !(~send4 != ~id4); [L450] ~mode4 := 1; [L453] havoc node5_#t~ite8, node5_#t~ite9, node5_~m5~53; [L454] havoc node5_~m5~53; [L455] node5_~m5~53 := ~nomsg; [L460] assume !(~mode5 % 256 != 0); [L461] assume !(~alive5 % 256 != 0); [L462] assume !(~send5 != ~id5); [L463] ~mode5 := 1; [L473] havoc node6_#t~ite10, node6_#t~ite11, node6_~m6~64; [L474] havoc node6_~m6~64; [L475] node6_~m6~64 := ~nomsg; [L487] assume !(~mode6 % 256 != 0); [L488] assume !(~alive6 % 256 != 0); [L489] assume !(~send6 != ~id6); [L490] ~mode6 := 1; [L493] ~p1_old := ~p1_new; [L494] ~p1_new := ~nomsg; [L495] ~p2_old := ~p2_new; [L496] ~p2_new := ~nomsg; [L497] ~p3_old := ~p3_new; [L498] ~p3_new := ~nomsg; [L499] ~p4_old := ~p4_new; [L500] ~p4_new := ~nomsg; [L501] ~p5_old := ~p5_new; [L502] ~p5_new := ~nomsg; [L503] ~p6_old := ~p6_new; [L504] ~p6_new := ~nomsg; [L505] havoc check_#res; [L506] havoc check_~tmp~159; [L507] havoc check_~tmp~159; [L508] assume ~st1 + ~st2 + ~st3 + ~st4 + ~st5 + ~st6 <= 1; [L513] assume ~r1 % 256 < 6; [L514] check_~tmp~159 := 1; [L522] check_#res := check_~tmp~159; [L523] main_#t~ret44 := check_#res; [L524] assume -2147483648 <= main_#t~ret44 && main_#t~ret44 <= 2147483647; [L525] main_~c1~166 := main_#t~ret44; [L526] havoc main_#t~ret44; [L527] assert_#in~arg := (if main_~c1~166 == 0 then 0 else 1); [L528] havoc assert_~arg; [L529] assert_~arg := assert_#in~arg; [L538] assume !(assert_~arg % 256 == 0); [L367] assume !false; [L368] havoc node1_#t~ite0, node1_#t~ite1, node1_~m1~7; [L369] havoc node1_~m1~7; [L370] node1_~m1~7 := ~nomsg; [L375] assume ~mode1 % 256 != 0; [L376] assume !(~r1 % 256 == 255); [L377] ~r1 := ~r1 % 256 + 1; [L378] node1_~m1~7 := ~p6_old; [L379] ~p6_old := ~nomsg; [L380] assume !(node1_~m1~7 != ~nomsg); [L381] ~mode1 := 0; [L390] havoc node2_#t~ite2, node2_#t~ite3, node2_~m2~20; [L391] havoc node2_~m2~20; [L392] node2_~m2~20 := ~nomsg; [L397] assume ~mode2 % 256 != 0; [L398] node2_~m2~20 := ~p1_old; [L399] ~p1_old := ~nomsg; [L400] assume !(node2_~m2~20 != ~nomsg); [L401] ~mode2 := 0; [L413] havoc node3_#t~ite4, node3_#t~ite5, node3_~m3~31; [L414] havoc node3_~m3~31; [L415] node3_~m3~31 := ~nomsg; [L420] assume ~mode3 % 256 != 0; [L421] node3_~m3~31 := ~p2_old; [L422] ~p2_old := ~nomsg; [L423] assume !(node3_~m3~31 != ~nomsg); [L424] ~mode3 := 0; [L433] havoc node4_#t~ite6, node4_#t~ite7, node4_~m4~42; [L434] havoc node4_~m4~42; [L435] node4_~m4~42 := ~nomsg; [L440] assume ~mode4 % 256 != 0; [L441] node4_~m4~42 := ~p3_old; [L442] ~p3_old := ~nomsg; [L443] assume !(node4_~m4~42 != ~nomsg); [L444] ~mode4 := 0; [L453] havoc node5_#t~ite8, node5_#t~ite9, node5_~m5~53; [L454] havoc node5_~m5~53; [L455] node5_~m5~53 := ~nomsg; [L466] assume ~mode5 % 256 != 0; [L467] node5_~m5~53 := ~p4_old; [L468] ~p4_old := ~nomsg; [L469] assume !(node5_~m5~53 != ~nomsg); [L470] ~mode5 := 0; [L473] havoc node6_#t~ite10, node6_#t~ite11, node6_~m6~64; [L474] havoc node6_~m6~64; [L475] node6_~m6~64 := ~nomsg; [L480] assume ~mode6 % 256 != 0; [L481] node6_~m6~64 := ~p5_old; [L482] ~p5_old := ~nomsg; [L483] assume !(node6_~m6~64 != ~nomsg); [L484] ~mode6 := 0; [L493] ~p1_old := ~p1_new; [L494] ~p1_new := ~nomsg; [L495] ~p2_old := ~p2_new; [L496] ~p2_new := ~nomsg; [L497] ~p3_old := ~p3_new; [L498] ~p3_new := ~nomsg; [L499] ~p4_old := ~p4_new; [L500] ~p4_new := ~nomsg; [L501] ~p5_old := ~p5_new; [L502] ~p5_new := ~nomsg; [L503] ~p6_old := ~p6_new; [L504] ~p6_new := ~nomsg; [L505] havoc check_#res; [L506] havoc check_~tmp~159; [L507] havoc check_~tmp~159; [L508] assume ~st1 + ~st2 + ~st3 + ~st4 + ~st5 + ~st6 <= 1; [L513] assume ~r1 % 256 < 6; [L514] check_~tmp~159 := 1; [L522] check_#res := check_~tmp~159; [L523] main_#t~ret44 := check_#res; [L524] assume -2147483648 <= main_#t~ret44 && main_#t~ret44 <= 2147483647; [L525] main_~c1~166 := main_#t~ret44; [L526] havoc main_#t~ret44; [L527] assert_#in~arg := (if main_~c1~166 == 0 then 0 else 1); [L528] havoc assert_~arg; [L529] assert_~arg := assert_#in~arg; [L538] assume !(assert_~arg % 256 == 0); [L367] assume !false; [L368] havoc node1_#t~ite0, node1_#t~ite1, node1_~m1~7; [L369] havoc node1_~m1~7; [L370] node1_~m1~7 := ~nomsg; [L375] assume ~mode1 % 256 != 0; [L376] assume !(~r1 % 256 == 255); [L377] ~r1 := ~r1 % 256 + 1; [L378] node1_~m1~7 := ~p6_old; [L379] ~p6_old := ~nomsg; [L380] assume !(node1_~m1~7 != ~nomsg); [L381] ~mode1 := 0; [L390] havoc node2_#t~ite2, node2_#t~ite3, node2_~m2~20; [L391] havoc node2_~m2~20; [L392] node2_~m2~20 := ~nomsg; [L404] assume !(~mode2 % 256 != 0); [L405] assume ~alive2 % 256 != 0; [L406] assume ~send2 != ~nomsg && ~p2_new == ~nomsg; [L407] node2_#t~ite2 := ~send2; [L408] ~p2_new := (if node2_#t~ite2 % 256 <= 127 then node2_#t~ite2 % 256 else node2_#t~ite2 % 256 - 256); [L409] havoc node2_#t~ite2; [L410] ~mode2 := 1; [L413] havoc node3_#t~ite4, node3_#t~ite5, node3_~m3~31; [L414] havoc node3_~m3~31; [L415] node3_~m3~31 := ~nomsg; [L420] assume ~mode3 % 256 != 0; [L421] node3_~m3~31 := ~p2_old; [L422] ~p2_old := ~nomsg; [L423] assume !(node3_~m3~31 != ~nomsg); [L424] ~mode3 := 0; [L433] havoc node4_#t~ite6, node4_#t~ite7, node4_~m4~42; [L434] havoc node4_~m4~42; [L435] node4_~m4~42 := ~nomsg; [L447] assume !(~mode4 % 256 != 0); [L448] assume !(~alive4 % 256 != 0); [L449] assume !(~send4 != ~id4); [L450] ~mode4 := 1; [L453] havoc node5_#t~ite8, node5_#t~ite9, node5_~m5~53; [L454] havoc node5_~m5~53; [L455] node5_~m5~53 := ~nomsg; [L460] assume !(~mode5 % 256 != 0); [L461] assume !(~alive5 % 256 != 0); [L462] assume !(~send5 != ~id5); [L463] ~mode5 := 1; [L473] havoc node6_#t~ite10, node6_#t~ite11, node6_~m6~64; [L474] havoc node6_~m6~64; [L475] node6_~m6~64 := ~nomsg; [L487] assume !(~mode6 % 256 != 0); [L488] assume !(~alive6 % 256 != 0); [L489] assume !(~send6 != ~id6); [L490] ~mode6 := 1; [L493] ~p1_old := ~p1_new; [L494] ~p1_new := ~nomsg; [L495] ~p2_old := ~p2_new; [L496] ~p2_new := ~nomsg; [L497] ~p3_old := ~p3_new; [L498] ~p3_new := ~nomsg; [L499] ~p4_old := ~p4_new; [L500] ~p4_new := ~nomsg; [L501] ~p5_old := ~p5_new; [L502] ~p5_new := ~nomsg; [L503] ~p6_old := ~p6_new; [L504] ~p6_new := ~nomsg; [L505] havoc check_#res; [L506] havoc check_~tmp~159; [L507] havoc check_~tmp~159; [L508] assume ~st1 + ~st2 + ~st3 + ~st4 + ~st5 + ~st6 <= 1; [L517] assume !(~r1 % 256 < 6); [L518] assume !(~st1 + ~st2 + ~st3 + ~st4 + ~st5 + ~st6 == 1); [L519] check_~tmp~159 := 0; [L522] check_#res := check_~tmp~159; [L523] main_#t~ret44 := check_#res; [L524] assume -2147483648 <= main_#t~ret44 && main_#t~ret44 <= 2147483647; [L525] main_~c1~166 := main_#t~ret44; [L526] havoc main_#t~ret44; [L527] assert_#in~arg := (if main_~c1~166 == 0 then 0 else 1); [L528] havoc assert_~arg; [L529] assert_~arg := assert_#in~arg; [L534] assume assert_~arg % 256 == 0; [L535] assume !false; [L541] assert false; RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...