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-reduced/pals_lcr.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-55cd5f5 [2019-08-15 00:42:29,276 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-15 00:42:29,278 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-15 00:42:29,290 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-15 00:42:29,290 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-15 00:42:29,291 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-15 00:42:29,293 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-15 00:42:29,294 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-15 00:42:29,296 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-15 00:42:29,297 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-15 00:42:29,298 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-15 00:42:29,299 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-15 00:42:29,299 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-15 00:42:29,300 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-15 00:42:29,301 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-15 00:42:29,302 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-15 00:42:29,303 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-15 00:42:29,304 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-15 00:42:29,306 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-15 00:42:29,308 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-15 00:42:29,309 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-15 00:42:29,311 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-15 00:42:29,312 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-15 00:42:29,313 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-15 00:42:29,315 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-15 00:42:29,319 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-15 00:42:29,319 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-15 00:42:29,320 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-15 00:42:29,321 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-15 00:42:29,322 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-15 00:42:29,322 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-15 00:42:29,323 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-15 00:42:29,323 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-15 00:42:29,324 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-15 00:42:29,324 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-15 00:42:29,325 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-15 00:42:29,326 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 [2019-08-15 00:42:29,342 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-15 00:42:29,342 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-15 00:42:29,344 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-15 00:42:29,344 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-15 00:42:29,344 INFO L138 SettingsManager]: * Use SBE=true [2019-08-15 00:42:29,344 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-15 00:42:29,345 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-15 00:42:29,345 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-15 00:42:29,345 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-15 00:42:29,345 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-15 00:42:29,345 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-15 00:42:29,346 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-15 00:42:29,346 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-15 00:42:29,346 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-15 00:42:29,346 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-15 00:42:29,346 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-15 00:42:29,347 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-15 00:42:29,347 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-15 00:42:29,347 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-15 00:42:29,347 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-15 00:42:29,347 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-15 00:42:29,348 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-15 00:42:29,348 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-15 00:42:29,348 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-15 00:42:29,348 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-15 00:42:29,348 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-15 00:42:29,349 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-15 00:42:29,349 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-15 00:42:29,349 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-15 00:42:29,378 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-15 00:42:29,390 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-15 00:42:29,393 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-15 00:42:29,395 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-15 00:42:29,395 INFO L275 PluginConnector]: CDTParser initialized [2019-08-15 00:42:29,396 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c [2019-08-15 00:42:29,461 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b48f298e9/6c16f1efafcd444a92b2ae151c5498b2/FLAG7237ddc57 [2019-08-15 00:42:30,077 INFO L306 CDTParser]: Found 1 translation units. [2019-08-15 00:42:30,079 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c [2019-08-15 00:42:30,105 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b48f298e9/6c16f1efafcd444a92b2ae151c5498b2/FLAG7237ddc57 [2019-08-15 00:42:30,312 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b48f298e9/6c16f1efafcd444a92b2ae151c5498b2 [2019-08-15 00:42:30,321 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-15 00:42:30,323 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-15 00:42:30,324 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-15 00:42:30,324 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-15 00:42:30,328 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-15 00:42:30,329 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.08 12:42:30" (1/1) ... [2019-08-15 00:42:30,332 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4df5f3ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 12:42:30, skipping insertion in model container [2019-08-15 00:42:30,332 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.08 12:42:30" (1/1) ... [2019-08-15 00:42:30,340 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-15 00:42:30,439 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-15 00:42:31,250 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-15 00:42:31,278 INFO L188 MainTranslator]: Completed pre-run [2019-08-15 00:42:31,633 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-15 00:42:31,672 INFO L192 MainTranslator]: Completed translation [2019-08-15 00:42:31,673 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 12:42:31 WrapperNode [2019-08-15 00:42:31,673 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-15 00:42:31,675 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-15 00:42:31,675 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-15 00:42:31,675 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-15 00:42:31,697 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 12:42:31" (1/1) ... [2019-08-15 00:42:31,698 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 12:42:31" (1/1) ... [2019-08-15 00:42:31,761 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 12:42:31" (1/1) ... [2019-08-15 00:42:31,761 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 12:42:31" (1/1) ... [2019-08-15 00:42:31,821 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 12:42:31" (1/1) ... [2019-08-15 00:42:31,850 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 12:42:31" (1/1) ... [2019-08-15 00:42:31,857 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 12:42:31" (1/1) ... [2019-08-15 00:42:31,870 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-15 00:42:31,871 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-15 00:42:31,871 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-15 00:42:31,871 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-15 00:42:31,873 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.08 12:42:31" (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 [2019-08-15 00:42:31,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-15 00:42:31,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-15 00:42:31,978 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-15 00:42:31,978 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-15 00:42:31,979 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-08-15 00:42:31,980 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-08-15 00:42:31,980 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2019-08-15 00:42:31,980 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-08-15 00:42:31,981 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-15 00:42:31,981 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-08-15 00:42:31,981 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-08-15 00:42:31,982 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-08-15 00:42:31,983 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-08-15 00:42:31,983 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-08-15 00:42:31,984 INFO L130 BoogieDeclarations]: Found specification of procedure node4 [2019-08-15 00:42:31,984 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-08-15 00:42:31,987 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-08-15 00:42:31,988 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-15 00:42:31,988 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-15 00:42:31,988 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-15 00:42:34,343 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-15 00:42:34,343 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-15 00:42:34,345 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.08 12:42:34 BoogieIcfgContainer [2019-08-15 00:42:34,346 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-15 00:42:34,346 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-15 00:42:34,347 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-15 00:42:34,347 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-15 00:42:34,348 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.08 12:42:34" (1/1) ... [2019-08-15 00:42:34,965 WARN L188 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-08-15 00:42:35,269 WARN L188 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2019-08-15 00:42:46,284 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-15 00:42:46,286 INFO L168 Benchmark]: Toolchain (without parser) took 15963.17 ms. Allocated memory was 134.2 MB in the beginning and 837.3 MB in the end (delta: 703.1 MB). Free memory was 86.3 MB in the beginning and 403.9 MB in the end (delta: -317.6 MB). Peak memory consumption was 601.4 MB. Max. memory is 7.1 GB. [2019-08-15 00:42:46,287 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 134.2 MB. Free memory is still 106.9 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-15 00:42:46,289 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1350.21 ms. Allocated memory was 134.2 MB in the beginning and 219.7 MB in the end (delta: 85.5 MB). Free memory was 86.3 MB in the beginning and 170.0 MB in the end (delta: -83.7 MB). Peak memory consumption was 36.4 MB. Max. memory is 7.1 GB. [2019-08-15 00:42:46,290 INFO L168 Benchmark]: Boogie Preprocessor took 195.79 ms. Allocated memory is still 219.7 MB. Free memory was 170.0 MB in the beginning and 163.8 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 7.1 GB. [2019-08-15 00:42:46,291 INFO L168 Benchmark]: RCFGBuilder took 2474.96 ms. Allocated memory was 219.7 MB in the beginning and 262.1 MB in the end (delta: 42.5 MB). Free memory was 163.8 MB in the beginning and 109.1 MB in the end (delta: 54.7 MB). Peak memory consumption was 97.1 MB. Max. memory is 7.1 GB. [2019-08-15 00:42:46,292 INFO L168 Benchmark]: Symbolic Interpretation took 11937.34 ms. Allocated memory was 262.1 MB in the beginning and 837.3 MB in the end (delta: 575.1 MB). Free memory was 109.1 MB in the beginning and 403.9 MB in the end (delta: -294.9 MB). Peak memory consumption was 496.2 MB. Max. memory is 7.1 GB. [2019-08-15 00:42:46,297 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 1175]: 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 32051#(= main_~check__tmp~7 0). Possible FailurePath: - UnprovableResult [Line: 3990]: 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 25138#(and (= main_~check__tmp~29 ~__return_1049~0) (not (= (+ ~st3~0 ~st4~0 ~st1~0 ~st2~0) 0)) (= main_~main__c1~0 ~__return_1049~0) (= 0 main_~check__tmp~29) (= main_~assert__arg~25 main_~__tmp_26~0) (= (ite (= main_~main__c1~0 0) 0 1) main_~__tmp_26~0) (= (mod main_~assert__arg~25 256) 0)). Possible FailurePath: - UnprovableResult [Line: 3739]: 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 27398#(and (not (= (+ ~st3~0 ~st4~0 ~st1~0 ~st2~0) 0)) (= (mod main_~assert__arg~23 256) 0) (= 0 main_~check__tmp~27) (= main_~main__c1~0 ~__return_1142~0) (= main_~check__tmp~27 ~__return_1142~0) (not (<= 4 (mod ~r1~0 256))) (= (ite (= main_~main__c1~0 0) 0 1) main_~__tmp_24~0) (= main_~assert__arg~23 main_~__tmp_24~0) (or (and (= ~nomsg~0 ~p2_new~0) (= ~nomsg~0 ~p1_new~0) (= ~st4~0 1) (<= (+ ~st3~0 ~st4~0 ~st1~0 ~st2~0) 1) (= ~mode3~0 0) (= ~nomsg~0 ~p4_new~0) (not (< ~id4~0 main_~node4__m4~20)) (= ~p3_new~0 ~nomsg~0) (= main_~node4__m4~20 ~id4~0) (not (= ~nomsg~0 main_~node4__m4~20)) (= 0 ~mode4~0)) (and (<= (+ ~st3~0 ~st4~0 ~st1~0 ~st2~0) 1) (exists ((v_~r1~0_148 Int)) (and (= ~nomsg~0 ~p2_new~0) (= ~nomsg~0 ~p1_new~0) (= ~nomsg~0 ~p4_new~0) (not (< ~id4~0 main_~node4__m4~20)) (= main_~node4__m4~20 ~id4~0) (not (= (mod v_~r1~0_148 256) 255)) (not (= ~nomsg~0 main_~node4__m4~20)) (= 0 ~mode3~0) (= 0 ~mode1~0) (= ~st4~0 1) (not (= 0 (mod main_~assert__arg~22 256))) (= ~nomsg~0 main_~node2__m2~15) (= (+ (mod v_~r1~0_148 256) 1) ~r1~0) (= ~nomsg~0 main_~node3__m3~17) (= ~p3_new~0 ~nomsg~0) (= 0 ~mode2~0) (= main_~node1__m1~14 ~nomsg~0) (= 0 ~mode4~0)))))). Possible FailurePath: - UnprovableResult [Line: 3498]: 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 27051#(or (= main_~check__tmp~25 0) (and (= 0 main_~check__tmp~25) (= ~nomsg~0 ~p1_new~0) (= ~nomsg~0 ~p2_new~0) (not (< ~id4~0 main_~node4__m4~19)) (= main_~main__c1~0 ~__return_1250~0) (= ~nomsg~0 ~p4_new~0) (not (= ~nomsg~0 main_~node4__m4~19)) (= (mod main_~assert__arg~21 256) 0) (= (ite (= main_~main__c1~0 0) 0 1) main_~__tmp_22~0) (not (<= (+ ~st3~0 ~st4~0 ~st1~0 ~st2~0) 1)) (= main_~node4__m4~19 ~id4~0) (= ~st4~0 1) (= main_~check__tmp~25 ~__return_1250~0) (= main_~assert__arg~21 main_~__tmp_22~0) (= ~p3_new~0 ~nomsg~0) (= 0 ~mode4~0))). Possible FailurePath: - UnprovableResult [Line: 2189]: 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 32022#(and (= ~nomsg~0 ~p2_new~0) (= ~nomsg~0 ~p1_new~0) (= 0 (mod main_~assert__arg~11 256)) (not (= (+ ~st3~0 ~st4~0 ~st1~0 ~st2~0) 0)) (not (<= 4 (mod ~r1~0 256))) (= main_~check__tmp~15 ~__return_1788~0) (= ~nomsg~0 ~p4_new~0) (= ~mode4~0 0) (<= (+ ~st3~0 ~st4~0 ~st1~0 ~st2~0) 1) (= main_~assert__arg~11 main_~__tmp_12~0) (= (ite (= main_~main__c1~0 0) 0 1) main_~__tmp_12~0) (= main_~main__c1~0 ~__return_1788~0) (= ~p3_new~0 ~nomsg~0) (= 0 main_~check__tmp~15)). Possible FailurePath: - UnprovableResult [Line: 2990]: 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 27018#(and (= main_~check__tmp~21 ~__return_1454~0) (= ~nomsg~0 ~p2_new~0) (= ~nomsg~0 ~p1_new~0) (not (<= (+ ~st3~0 ~st4~0 ~st1~0 ~st2~0) 1)) (= 0 main_~check__tmp~21) (= main_~main__c1~0 ~__return_1454~0) (= main_~assert__arg~17 main_~__tmp_18~0) (= ~nomsg~0 ~p4_new~0) (= (ite (= main_~main__c1~0 0) 0 1) main_~__tmp_18~0) (= ~p3_new~0 ~nomsg~0) (= 0 (mod main_~assert__arg~17 256))). Possible FailurePath: - UnprovableResult [Line: 2483]: 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 31951#(and (= (mod main_~assert__arg~13 256) 0) (= (ite (= main_~main__c1~0 0) 0 1) main_~__tmp_14~0) (= main_~assert__arg~13 main_~__tmp_14~0)). Possible FailurePath: - UnprovableResult [Line: 3230]: 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 27435#(and (= ~nomsg~0 ~p1_new~0) (= ~nomsg~0 ~p2_new~0) (= main_~main__c1~0 ~__return_1346~0) (not (= (+ ~st3~0 ~st4~0 ~st1~0 ~st2~0) 0)) (= main_~check__tmp~23 ~__return_1346~0) (or (and (= ~mode3~0 0) (= ~st3~0 1) (= ~mode4~0 0)) (= ~mode4~0 0)) (not (<= 4 (mod ~r1~0 256))) (= (ite (= main_~main__c1~0 0) 0 1) main_~__tmp_20~0) (= main_~assert__arg~19 main_~__tmp_20~0) (= ~nomsg~0 ~p4_new~0) (= 0 main_~check__tmp~23) (= 0 (mod main_~assert__arg~19 256)) (<= (+ ~st3~0 ~st4~0 ~st1~0 ~st2~0) 1) (= ~p3_new~0 ~nomsg~0)). Possible FailurePath: - UnprovableResult [Line: 1693]: 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 32082#(= main_~check__tmp~11 0). Possible FailurePath: - UnprovableResult [Line: 1949]: 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 24875#(= main_~check__tmp~13 0). Possible FailurePath: - UnprovableResult [Line: 2734]: 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 27457#(and (= ~nomsg~0 ~p2_new~0) (= ~nomsg~0 ~p1_new~0) (not (< ~id4~0 main_~node4__m4~14)) (= 0 main_~check__tmp~19) (not (= ~nomsg~0 main_~node4__m4~14)) (= main_~assert__arg~15 main_~__tmp_16~0) (= ~nomsg~0 ~p4_new~0) (= ~id3~0 main_~node3__m3~12) (= 0 ~mode3~0) (= main_~node4__m4~14 ~id4~0) (not (<= (+ ~st3~0 ~st4~0 ~st1~0 ~st2~0) 1)) (= ~st4~0 1) (= (ite (= main_~main__c1~0 0) 0 1) main_~__tmp_16~0) (= ~st3~0 1) (= main_~main__c1~0 ~__return_1564~0) (= 0 (mod main_~assert__arg~15 256)) (= ~p3_new~0 ~nomsg~0) (= main_~check__tmp~19 ~__return_1564~0) (= 0 ~mode4~0)). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 134.2 MB. Free memory is still 106.9 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1350.21 ms. Allocated memory was 134.2 MB in the beginning and 219.7 MB in the end (delta: 85.5 MB). Free memory was 86.3 MB in the beginning and 170.0 MB in the end (delta: -83.7 MB). Peak memory consumption was 36.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 195.79 ms. Allocated memory is still 219.7 MB. Free memory was 170.0 MB in the beginning and 163.8 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2474.96 ms. Allocated memory was 219.7 MB in the beginning and 262.1 MB in the end (delta: 42.5 MB). Free memory was 163.8 MB in the beginning and 109.1 MB in the end (delta: 54.7 MB). Peak memory consumption was 97.1 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 11937.34 ms. Allocated memory was 262.1 MB in the beginning and 837.3 MB in the end (delta: 575.1 MB). Free memory was 109.1 MB in the beginning and 403.9 MB in the end (delta: -294.9 MB). Peak memory consumption was 496.2 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...